Branch to experiment with dynamic component interfaces and implementations.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@965346 13f79535-47bb-0310-9956-ffa450edef68

35 files changed, 8208 insertions, 0 deletions

diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/BindingURIBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/BindingURIBuilderImpl.java
new file mode 100644
index 0000000000..4c5bca204b
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/BindingURIBuilderImpl.java
@@ -0,0 +1,355 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.SCABinding;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.assembly.builder.Messages;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.definitions.Definitions;
+import org.apache.tuscany.sca.monitor.Monitor;
+
+/**
+ * Configuration of binding URIs.
+ *
+ * @version $Rev$ $Date$
+ */
+public class BindingURIBuilderImpl implements CompositeBuilder {
+
+    public BindingURIBuilderImpl(ExtensionPointRegistry registry) {
+    }
+
+    /**
+     * Called by CompositeBindingURIBuilderImpl
+     *
+     * @param composite the composite to be configured
+     */
+    public Composite build(Composite composite, BuilderContext context)
+        throws CompositeBuilderException {
+        configureBindingURIs(composite, null, context.getDefinitions(), context.getBindingBaseURIs(), context.getMonitor());
+        return composite;
+    }
+
+
+    /**
+     * Fully resolve the binding URIs based on available information. This includes information
+     * from the ".composite" files, from resources associated with the binding, e.g. WSDL files,
+     * from any associated policies and from the default information for each binding type.
+     *
+     * NOTE: This method repeats some of the processing performed by the configureComponents()
+     *       method above.  The duplication is needed because NodeConfigurationServiceImpl
+     *       calls this method without previously calling configureComponents().  In the
+     *       normal builder sequence used by CompositeBuilderImpl, both of these methods
+     *       are called.
+     *
+     * TODO: Share the URL calculation algorithm with the configureComponents() method above
+     *       although keeping the configureComponents() methods signature as is because when
+     *       a composite is actually build in a node the node default information is currently
+     *       available
+     *
+     * @param composite the composite to be configured
+     * @param uri the path to the composite provided through any nested composite component implementations
+     * @param defaultBindings list of default binding configurations
+     */
+    private void configureBindingURIs(Composite composite,
+                                      String uri,
+                                      Definitions definitions,
+                                      Map<QName, List<String>> defaultBindings,
+                                      Monitor monitor) throws CompositeBuilderException {
+
+        String parentComponentURI = uri;
+
+        monitor.pushContext("Composite: " + composite.getName().toString());
+        try {
+            // Process nested composites recursively
+            for (Component component : composite.getComponents()) {
+                Implementation implementation = component.getImplementation();
+                if (implementation instanceof Composite) {
+                    // Process nested composite
+                    configureBindingURIs((Composite)implementation, component.getURI(), definitions, defaultBindings, monitor);
+                }
+            }
+
+            // Initialize composite service binding URIs
+            List<Service> compositeServices = composite.getServices();
+            for (Service service : compositeServices) {
+
+                // Initialize binding names and URIs
+                for (Binding binding : service.getBindings()) {
+                    constructBindingURI(parentComponentURI, composite, service, binding, defaultBindings, monitor);
+                }
+            }
+
+            // Initialize component service binding URIs
+            for (Component component : composite.getComponents()) {
+
+                monitor.pushContext("Component: " + component.getName());
+                try {
+                    for (ComponentService service : component.getServices()) {
+
+                        // Initialize binding names and URIs
+                        for (Binding binding : service.getBindings()) {
+                            constructBindingURI(component, service, binding, defaultBindings, monitor);
+                        }
+                    }
+                } finally {
+                    monitor.popContext();
+                }
+            }
+        } finally {
+            monitor.popContext();
+        }
+    }
+
+    /**
+     * URI construction for composite bindings based on Assembly Specification section 1.7.2, This method
+     * assumes that the component URI part of the binding URI is formed from the part to the
+     * composite in question and just calls the generic constructBindingURI method with this
+     * information
+     *
+     * @param parentComponentURI
+     * @param composite
+     * @param service
+     * @param binding
+     * @param defaultBindings
+     */
+    private void constructBindingURI(String parentComponentURI,
+                                     Composite composite,
+                                     Service service,
+                                     Binding binding,
+                                     Map<QName, List<String>> defaultBindings,
+                                     Monitor monitor) throws CompositeBuilderException {
+        // This is a composite service so there is no component to provide a component URI
+        // The path to this composite (through nested composites) is used.
+        constructBindingURI(parentComponentURI, service, binding, defaultBindings, monitor);
+    }
+
+    /**
+     * URI construction for component bindings based on Assembly Specification section 1.7.2. This method
+     * calculates the component URI part based on component information before calling the generic
+     * constructBindingURI method
+     *
+     * @param component the component that holds the service
+     * @param service the service that holds the binding
+     * @param binding the binding for which the URI is being constructed
+     * @param defaultBindings the list of default binding configurations
+     */
+    private void constructBindingURI(Component component,
+                                     Service service,
+                                     Binding binding,
+                                     Map<QName, List<String>> defaultBindings,
+                                     Monitor monitor) throws CompositeBuilderException {
+        constructBindingURI(component.getURI(), service, binding, defaultBindings, monitor);
+    }
+
+    /**
+     * Generic URI construction for bindings based on Assembly Specification section 1.7.2
+     *
+     * @param componentURIString the string version of the URI part that comes from the component name
+     * @param service the service in question
+     * @param binding the binding for which the URI is being constructed
+     * @param includeBindingName when set true the serviceBindingURI part should be used
+     * @param defaultBindings the list of default binding configurations
+     * @throws CompositeBuilderException
+     */
+    private void constructBindingURI(String componentURIString,
+                                     Service service,
+                                     Binding binding,
+                                     Map<QName, List<String>> defaultBindings,
+                                     Monitor monitor) throws CompositeBuilderException {
+
+        try {
+
+            boolean includeBindingName = !service.getName().equals(binding.getName());
+
+            // calculate the service binding URI
+            URI bindingURI = binding.getURI() == null ? null : new URI(binding.getURI());
+            if (binding instanceof SCABinding) {
+                // Per assembly spec, the @uri for service side binding.sca should be ignored
+                bindingURI = null;
+            }
+            
+            // if the user has provided an absolute binding URI then use it
+            if (bindingURI != null && bindingURI.isAbsolute()) {
+                return;
+            }
+
+            String serviceName = service.getName();
+            // Get the service binding name
+            String bindingName;
+            if (binding.getName() != null) {
+                bindingName = binding.getName();
+            } else {
+                bindingName = serviceName;
+            }
+
+            // calculate the component URI
+            URI componentURI = null;
+            if (componentURIString != null) {
+                componentURI = new URI(addSlashToPath(componentURIString));
+            }
+
+            // calculate the base URI
+            URI baseURI = null;
+            if (!(binding instanceof SCABinding)) {
+                if (defaultBindings != null) {
+                    List<String> uris = defaultBindings.get(binding.getType());
+                    if (uris != null && uris.size() > 0) {
+                        baseURI = new URI(addSlashToPath(uris.get(0)));
+                    }
+                }
+            }
+
+            binding.setURI(constructBindingURI(baseURI,
+                                               componentURI,
+                                               bindingURI,
+                                               serviceName,
+                                               includeBindingName,
+                                               bindingName));
+        } catch (URISyntaxException ex) {
+            Monitor.error(monitor,
+                          this,
+                          Messages.ASSEMBLY_VALIDATION,
+                          "URLSyntaxException",
+                          componentURIString,
+                          service.getName(),
+                          binding.getName());
+        }
+    }
+
+    /**
+     * Use to ensure that URI paths end in "/" as here we want to maintain the
+     * last path element of an base URI when other URI are resolved against it. This is
+     * not the default behaviour of URI resolution as defined in RFC 2369
+     *
+     * @param path the path string to which the "/" is to be added
+     * @return the resulting path with a "/" added if it not already there
+     */
+    private static String addSlashToPath(String path) {
+        if (path.endsWith("/") || path.endsWith("#")) {
+            return path;
+        } else {
+            return path + "/";
+        }
+    }
+
+    /**
+     * Concatenate binding URI parts together based on Assembly Specification section 1.7.2
+     *
+     * @param baseURI the base of the binding URI
+     * @param componentURI the middle part of the binding URI derived from the component name
+     * @param bindingURI the end part of the binding URI
+     * @param includeBindingName when set true the binding name part should be used
+     * @param bindingName the binding name
+     * @return the resulting URI as a string
+     */
+    private static String constructBindingURI(URI baseURI,
+                                              URI componentURI,
+                                              URI bindingURI,
+                                              String serviceName,
+                                              boolean includeBindingName,
+                                              String bindingName) {
+        String name = includeBindingName ? serviceName + "/" + bindingName : serviceName;
+        String uriString;
+
+        if (baseURI == null) {
+            if (componentURI == null) {
+                if (bindingURI != null) {
+                    uriString = name + "/" + bindingURI.toString();
+                } else {
+                    uriString = name;
+                }
+            } else {
+                if (bindingURI != null) {
+                    if (bindingURI.toString().startsWith("/")) {
+                        uriString = componentURI.resolve(bindingURI).toString();
+                    } else {
+                        uriString = componentURI.resolve(name + "/" + bindingURI).toString();
+                    }
+                } else {
+                    uriString = componentURI.resolve(name).toString();
+                }
+            }
+        } else {
+            if (componentURI == null) {
+                if (bindingURI != null) {
+                    uriString = basedURI(baseURI, bindingURI).toString();
+                } else {
+                    uriString = basedURI(baseURI, URI.create(name)).toString();
+                }
+            } else {
+                if (bindingURI != null) {
+                    uriString = basedURI(baseURI, componentURI.resolve(bindingURI)).toString();
+                } else {
+                    uriString = basedURI(baseURI, componentURI.resolve(name)).toString();
+                }
+            }
+        }
+
+        // tidy up by removing any trailing "/"
+        if (uriString.endsWith("/")) {
+            uriString = uriString.substring(0, uriString.length() - 1);
+        }
+
+        URI uri = URI.create(uriString);
+        if (!uri.isAbsolute()) {
+            uri = URI.create("/").resolve(uri);
+        }
+        return uri.toString();
+    }
+
+    /**
+     * Combine a URI with a base URI.
+     *
+     * @param baseURI
+     * @param uri
+     * @return
+     */
+    private static URI basedURI(URI baseURI, URI uri) {
+        if (uri.getScheme() != null) {
+            return uri;
+        }
+        String str = uri.toString();
+        if (str.startsWith("/")) {
+            str = str.substring(1);
+        }
+        return URI.create(baseURI.toString() + str).normalize();
+    }
+
+    public String getID() {
+        return "org.apache.tuscany.sca.assembly.builder.BindingURIBuilder";
+    }
+
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ComponentBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ComponentBuilderImpl.java
new file mode 100644
index 0000000000..694ece2d6c
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ComponentBuilderImpl.java
@@ -0,0 +1,1504 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.builder.impl;
+
+import java.io.InputStream;
+import java.io.StringReader;
+import java.net.URI;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.List;
+
+import javax.xml.XMLConstants;
+import javax.xml.namespace.QName;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.Source;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMResult;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.sax.SAXSource;
+import javax.xml.transform.stream.StreamSource;
+import javax.xml.validation.Schema;
+import javax.xml.validation.SchemaFactory;
+import javax.xml.validation.Validator;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpression;
+import javax.xml.xpath.XPathExpressionException;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentProperty;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.CompositeReference;
+import org.apache.tuscany.sca.assembly.CompositeService;
+import org.apache.tuscany.sca.assembly.Contract;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.Multiplicity;
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.SCABinding;
+import org.apache.tuscany.sca.assembly.SCABindingFactory;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint;
+import org.apache.tuscany.sca.assembly.builder.ContractBuilder;
+import org.apache.tuscany.sca.assembly.builder.ImplementationBuilder;
+import org.apache.tuscany.sca.assembly.builder.Messages;
+import org.apache.tuscany.sca.assembly.xsd.Constants;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.databinding.Mediator;
+import org.apache.tuscany.sca.databinding.impl.MediatorImpl;
+import org.apache.tuscany.sca.databinding.jaxb.JAXBDataBinding;
+import org.apache.tuscany.sca.databinding.xml.DOMDataBinding;
+import org.apache.tuscany.sca.definitions.Definitions;
+import org.apache.tuscany.sca.interfacedef.Compatibility;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.IncompatibleInterfaceContractException;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.policy.ExtensionType;
+import org.apache.tuscany.sca.policy.PolicySubject;
+import org.apache.tuscany.sca.xsd.XSDefinition;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.InputSource;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class ComponentBuilderImpl {
+    protected static final String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200912";
+    protected static final String BINDING_SCA = "binding.sca";
+    protected static final QName BINDING_SCA_QNAME = new QName(SCA11_NS, BINDING_SCA);
+
+    private CompositeComponentTypeBuilderImpl componentTypeBuilder;
+    protected ComponentPolicyBuilderImpl policyBuilder;
+    private AssemblyFactory assemblyFactory;
+    private SCABindingFactory scaBindingFactory;
+    private DocumentBuilderFactory documentBuilderFactory;
+    protected TransformerFactory transformerFactory;
+    private InterfaceContractMapper interfaceContractMapper;
+    private BuilderExtensionPoint builders;
+    private Mediator mediator;
+    private ContractBuilder contractBuilder;
+
+    public ComponentBuilderImpl(ExtensionPointRegistry registry) {
+        UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
+
+        FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class);
+        assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
+        scaBindingFactory = modelFactories.getFactory(SCABindingFactory.class);
+        documentBuilderFactory = modelFactories.getFactory(DocumentBuilderFactory.class);
+        transformerFactory = modelFactories.getFactory(TransformerFactory.class);
+
+        interfaceContractMapper = utilities.getUtility(InterfaceContractMapper.class);
+        policyBuilder = new ComponentPolicyBuilderImpl(registry);
+        builders = registry.getExtensionPoint(BuilderExtensionPoint.class);
+        mediator = new MediatorImpl(registry);
+        contractBuilder = builders.getContractBuilder();
+    }
+
+    public void setComponentTypeBuilder(CompositeComponentTypeBuilderImpl componentTypeBuilder) {
+        this.componentTypeBuilder = componentTypeBuilder;
+    }
+
+    /**
+     * Configure the component based on its component type using OASIS rules
+     * 
+     * @Param outerCompoment the component that uses the parentComposite as its implementation
+     * @Param parentComposite the composite that contains the component being configured. Required for property processing
+     * @param component the component to be configured
+     */
+    public void configureComponentFromComponentType(Component outerComponent, Composite parentComposite, Component component, BuilderContext context) {
+
+        Monitor monitor = context.getMonitor();
+        monitor.pushContext("Component: " + component.getName().toString());
+        
+        try {
+            // do any work we need to do before we calculate the component type
+            // for this component. Anything that needs to be pushed down the promotion
+            // hierarchy must be done before we calculate the component type
+            
+            // check that the implementation is present
+            if (!isComponentImplementationPresent(component, monitor)){
+                return;
+            }
+    
+            // carry out any implementation specific builder processing
+            Implementation impl = component.getImplementation();
+            if (impl != null) {
+                ImplementationBuilder builder = builders.getImplementationBuilder(impl.getType());
+                if (builder != null) {
+                    builder.build(component, impl, context);
+                }
+            }
+    
+            // Properties on the composite component type are not affected by the components 
+            // that the composite contains. Instead the child components might source  
+            // composite level property values. Hence we have to calculate whether the component 
+            // type property value should be overridden by this component's property value 
+            // before we go ahead and calculate the component type
+            configureProperties(outerComponent, parentComposite, component, monitor);
+    
+            // create the component type for this component 
+            // taking any nested composites into account
+            createComponentType(component, context);
+    
+            // configure services based on the calculated component type
+            configureServices(component, context);
+    
+            // configure services based on the calculated component type
+            configureReferences(component, context);
+            
+            // NOTE: configureServices/configureReferences may add callback references and services
+            policyBuilder.configure(component, context);
+            
+        } finally {
+            monitor.popContext();
+        }         
+    }
+    
+    /**
+     * Checks that a component implementation is present and resolved 
+     * before doing anything else
+     * 
+     * @param component
+     * @return true if the implementation is present and resolved
+     */
+    private boolean isComponentImplementationPresent(Component component, Monitor monitor){
+        Implementation implementation = component.getImplementation();
+        if (implementation == null) {
+            // A component must have an implementation
+            Monitor.error(monitor, 
+                          this, 
+                          Messages.ASSEMBLY_VALIDATION, 
+                          "NoComponentImplementation", 
+                          component.getName());
+            return false;
+        } else if (implementation.isUnresolved()) {
+            // The implementation must be fully resolved
+            Monitor.error(monitor, 
+                          this, 
+                          Messages.ASSEMBLY_VALIDATION,
+                          "UnresolvedComponentImplementation", 
+                          component, 
+                          component.getName(), 
+                          implementation.getURI());
+            return false;
+        }        
+        
+        return true;
+    }
+
+    /**
+     * Use the component type builder to build the component type for 
+     * this component. 
+     * 
+     * @param component
+     */
+    private void createComponentType(Component component, BuilderContext context) {
+        Implementation implementation = component.getImplementation();
+        if (implementation instanceof Composite) {
+            componentTypeBuilder.createComponentType(component, (Composite)implementation, context);
+        }
+    }
+
+    /**
+     * Configure this component's services based on the services in its 
+     * component type and the configuration from the composite file
+     * 
+     * @param component
+     */
+    private void configureServices(Component component, BuilderContext context) {
+        Monitor monitor = context.getMonitor();
+
+        // If the component type has services that are not described in this
+        // component then create services for this component
+        addServicesFromComponentType(component, monitor);
+
+        // Connect this component's services to the 
+        // services from its component type
+        connectServicesToComponentType(component, monitor);
+
+        // look at each component service in turn and calculate its 
+        // configuration based on OASIS rules
+        for (ComponentService componentService : component.getServices()) {
+                      
+            Service componentTypeService = componentService.getService();
+
+            if (componentTypeService == null) {
+                // raise error?
+                // can be null in some of the assembly-xml unit tests
+                continue;
+            }
+
+            // interface contracts
+            calculateServiceInterfaceContract(component, componentService, componentTypeService, monitor);
+
+            // bindings
+            calculateBindings(component, componentService, componentTypeService, monitor);
+
+            // add callback reference model objects
+            createCallbackReference(component, componentService);
+        }
+    }
+
+    /**
+     * Configure this component's references based on the references in its 
+     * component type and the configuration from the composite file
+     * 
+     * @param component
+     */
+    private void configureReferences(Component component, BuilderContext context) {
+        Monitor monitor = context.getMonitor();
+        
+        // If the component type has references that are not described in this
+        // component then create references for this component
+        addReferencesFromComponentType(component, monitor);
+
+        // Connect this component's references to the 
+        // references from its component type
+        connectReferencesToComponentType(component, monitor);
+
+        // look at each component reference in turn and calculate its 
+        // configuration based on OASIS rules
+        for (ComponentReference componentReference : component.getReferences()) {
+            Reference componentTypeReference = componentReference.getReference();
+
+            if (componentTypeReference == null) {
+                // raise error?
+                // can be null in some of the assembly-xml unit tests
+                continue;
+            }
+
+            // reference multiplicity
+            reconcileReferenceMultiplicity(component, componentReference, componentTypeReference, monitor);
+
+            // interface contracts
+            calculateReferenceInterfaceContract(component, componentReference, componentTypeReference, monitor);
+
+            // bindings
+            calculateBindings(componentReference, componentTypeReference);
+
+            // add callback service model objects
+            createCallbackService(component, componentReference);
+
+            // Propagate autowire setting from the component down the structural 
+            // hierarchy
+            if (componentReference.getAutowire() == null) {
+                componentReference.setAutowire(component.getAutowire());
+            }
+        }
+    }
+
+    /**
+     * Configure this component's properties based on the properties in its 
+     * component type and the configuration from the composite file
+     * 
+     * @param component
+     */
+    private void configureProperties(Component outerComponent, Composite parentComposite, Component component, Monitor monitor) {
+        // If the component type has properties that are not described in this
+        // component then create properties for this component
+        addPropertiesFromComponentType(component, monitor);
+
+        // Connect this component's properties to the 
+        // properties from its component type
+        connectPropertiesToComponentType(component, monitor);
+
+        // Reconcile component properties and their component type properties
+        for (ComponentProperty componentProperty : component.getProperties()) {
+            reconcileComponentPropertyWithComponentType(component, componentProperty, monitor);
+
+            // configure the property value based on the @source attribute
+            // At the moment this is done in the parent composite component
+            // type calculation 
+            processPropertySourceAttribute(outerComponent, parentComposite, component, componentProperty, monitor);
+
+            // configure the property value based on the @file attribute
+            processPropertyFileAttribute(component, componentProperty, monitor);
+            
+            // Check that a value is supplied
+            if (componentProperty.isMustSupply() && !isPropertyValueSet(componentProperty)) {
+                Monitor.error(monitor, 
+                              this, 
+                              Messages.ASSEMBLY_VALIDATION, 
+                              "PropertyMustSupplyNull", 
+                              component.getName(), 
+                              componentProperty.getName());
+            }
+            
+            // check that not too many values are supplied
+            if (!componentProperty.isMany() && isPropertyManyValued(componentProperty)){
+                Monitor.error(monitor, 
+                              this, 
+                              Messages.ASSEMBLY_VALIDATION, 
+                              "PropertyHasManyValues", 
+                              component.getName(), 
+                              componentProperty.getName());                
+            }
+            
+            // check the property type
+            checkComponentPropertyType(component, componentProperty, monitor);
+            
+        }
+    }
+
+    private void addServicesFromComponentType(Component component, Monitor monitor) {
+
+        // Create a component service for each service
+        if (component.getImplementation() != null) {
+            for (Service service : component.getImplementation().getServices()) {
+                // check for duplicate service names in implementation
+                if (service != component.getImplementation().getService(service.getName())){
+                    Monitor.error(monitor, 
+                                  this,
+                                  Messages.ASSEMBLY_VALIDATION,
+                                  "DuplicateImplementationServiceName", 
+                                  component.getName(), 
+                                  service.getName());
+                }
+                
+                ComponentService componentService = (ComponentService)component.getService(service.getName());
+
+                // if the component doesn't have a service with the same name as the 
+                // component type service then create one
+                if (componentService == null) {
+                    componentService = assemblyFactory.createComponentService();
+                    componentService.setForCallback(service.isForCallback());
+                    String name = service.getName();
+                    componentService.setName(name);
+                    component.getServices().add(componentService);
+                }
+            }
+        }
+    }
+
+    private void addReferencesFromComponentType(Component component, Monitor monitor) {
+
+        // Create a component reference for each reference
+        if (component.getImplementation() != null) {
+            for (Reference reference : component.getImplementation().getReferences()) {
+                // check for duplicate reference names in implementation
+                if (reference != component.getImplementation().getReference(reference.getName())){
+                    Monitor.error(monitor, 
+                                  this,
+                                  Messages.ASSEMBLY_VALIDATION,
+                                  "DuplicateImplementationReferenceName", 
+                                  component.getName(), 
+                                  reference.getName());
+                } 
+                
+                ComponentReference componentReference = (ComponentReference)component.getReference(reference.getName());
+
+                // if the component doesn't have a reference with the same name as the 
+                // component type reference then create one
+                if (componentReference == null) {
+                    componentReference = assemblyFactory.createComponentReference();
+                    componentReference.setForCallback(reference.isForCallback());
+                    componentReference.setName(reference.getName());
+                    componentReference.setReference(reference);
+                    component.getReferences().add(componentReference);
+                }
+            }
+        }
+    }
+
+    private void addPropertiesFromComponentType(Component component, Monitor monitor) {
+
+        // Create component property for each property
+        if (component.getImplementation() != null) {
+            for (Property property : component.getImplementation().getProperties()) {
+                // check for duplicate property names in implementation
+                if (property != component.getImplementation().getProperty(property.getName())){
+                    Monitor.error(monitor, 
+                                  this,
+                                  Messages.ASSEMBLY_VALIDATION,
+                                  "DuplicateImplementationPropertyName", 
+                                  component.getName(), 
+                                  property.getName());
+                }                
+                ComponentProperty componentProperty = (ComponentProperty)component.getProperty(property.getName());
+
+                // if the component doesn't have a property with the same name as
+                // the component type property then create one
+                if (componentProperty == null) {
+                    componentProperty = assemblyFactory.createComponentProperty();
+                    componentProperty.setName(property.getName());
+                    componentProperty.setValue(property.getValue());
+                    componentProperty.setMany(property.isMany());
+                    componentProperty.setMustSupply(property.isMustSupply());
+                    componentProperty.setXSDElement(property.getXSDElement());
+                    componentProperty.setXSDType(property.getXSDType());
+                    componentProperty.setProperty(property);
+                    component.getProperties().add(componentProperty);
+                }
+            }
+        }
+    }
+
+    private void connectServicesToComponentType(Component component, Monitor monitor) {
+
+        // Connect each component service to the corresponding component type service
+        for (ComponentService componentService : component.getServices()) {
+            // check for duplicate service names in component
+            if (componentService != component.getService(componentService.getName())){
+                Monitor.error(monitor, 
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "DuplicateComponentServiceName", 
+                              component.getName(), 
+                              componentService.getName());
+            }
+            
+            if (componentService.getService() != null || componentService.isForCallback()) {
+                continue;
+            }
+
+            if (component.getImplementation() == null) {
+                // is null in some of our basic unit tests
+                continue;
+            }
+
+            Service service = component.getImplementation().getService(componentService.getName());
+
+            if (service != null) {
+                componentService.setService(service);
+            } else {
+                Monitor.error(monitor,
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "ServiceNotFoundForComponentService",
+                              component.getName(),
+                              componentService.getName());
+            }
+        }
+    }
+
+    private void connectReferencesToComponentType(Component component, Monitor monitor) {
+
+        // Connect each component reference to the corresponding component type reference
+        for (ComponentReference componentReference : component.getReferences()) {
+            // check for duplicate reference names in component
+            if (componentReference != component.getReference(componentReference.getName())){
+                Monitor.error(monitor, 
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "DuplicateComponentReferenceName", 
+                              component.getName(), 
+                              componentReference.getName());
+            }
+            
+            if (componentReference.getReference() != null || componentReference.isForCallback()) {
+                continue;
+            }
+
+            if (component.getImplementation() == null) {
+                // is null in some of our basic unit tests
+                continue;
+            }
+
+            Reference reference = component.getImplementation().getReference(componentReference.getName());
+
+            if (reference != null) {
+                componentReference.setReference(reference);
+            } else {
+                Monitor.error(monitor,
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "ReferenceNotFoundForComponentReference",
+                              component.getName(),
+                              componentReference.getName());
+            }
+        }
+    }
+
+    private void connectPropertiesToComponentType(Component component, Monitor monitor) {
+        // Connect each component property to the corresponding component type property
+        for (ComponentProperty componentProperty : component.getProperties()) {
+            // check for duplicate property names in component
+            if (componentProperty != component.getProperty(componentProperty.getName())){
+                Monitor.error(monitor, 
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "DuplicateComponentPropertyName", 
+                              component.getName(), 
+                              componentProperty.getName());
+            }
+            
+            Property property = component.getImplementation().getProperty(componentProperty.getName());
+            
+            if (property != null) {
+                componentProperty.setProperty(property);
+            } else {
+                Monitor.error(monitor,
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "PropertyNotFound",
+                              component.getName(),
+                              componentProperty.getName());
+            }
+        }
+    }
+
+    private void reconcileReferenceMultiplicity(Component component,
+                                                Reference componentReference,
+                                                Reference componentTypeReference,
+                                                Monitor monitor) {
+        if (componentReference.getMultiplicity() != null) {
+            if (!isValidMultiplicityOverride(componentTypeReference.getMultiplicity(), componentReference
+                .getMultiplicity())) {
+                Monitor.error(monitor,
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "ReferenceIncompatibleMultiplicity",
+                              component.getName(),
+                              componentReference.getName());
+            }
+        } else {
+            componentReference.setMultiplicity(componentTypeReference.getMultiplicity());
+        }
+    }
+
+    private void reconcileComponentPropertyWithComponentType(Component component, ComponentProperty componentProperty, Monitor monitor) {
+        Property componentTypeProperty = componentProperty.getProperty();
+        if (componentTypeProperty != null) {
+
+            // Check that a component property does not override the
+            // mustSupply attribute
+            if (!componentTypeProperty.isMustSupply() && componentProperty.isMustSupply()) {
+                Monitor.error(monitor,
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "PropertyMustSupplyIncompatible",
+                              component.getName(),
+                              componentProperty.getName());
+            }
+
+            // Default to the mustSupply attribute specified on the property
+            if (!componentProperty.isMustSupply())
+                componentProperty.setMustSupply(componentTypeProperty.isMustSupply());
+
+            // Default to the value specified on the component type property
+            if (!isPropertyValueSet(componentProperty)) {
+                componentProperty.setValue(componentTypeProperty.getValue());
+            }
+
+            // Override the property value for the composite
+            if (component.getImplementation() instanceof Composite) {
+                componentTypeProperty.setValue(componentProperty.getValue());
+            }
+
+            // Check that a component property does not override the
+            // many attribute
+            if (!componentTypeProperty.isMany() && componentProperty.isMany()) {
+                Monitor.error(monitor, 
+                              this, 
+                              Messages.ASSEMBLY_VALIDATION, 
+                              "PropertyOverrideManyAttribute", 
+                              component.getName(), 
+                              componentProperty.getName());
+            }
+
+            // Default to the many attribute defined on the property
+            componentProperty.setMany(componentTypeProperty.isMany());
+
+            // Default to the type and element defined on the property
+            if (componentProperty.getXSDType() == null) {
+                componentProperty.setXSDType(componentTypeProperty.getXSDType());
+            }
+            if (componentProperty.getXSDElement() == null) {
+                componentProperty.setXSDElement(componentTypeProperty.getXSDElement());
+            }
+
+            // Check that a type or element are specified
+            if (componentProperty.getXSDElement() == null && componentProperty.getXSDType() == null) {
+                Monitor.error(monitor, 
+                              this, 
+                              Messages.ASSEMBLY_VALIDATION, 
+                              "NoTypeForComponentProperty", 
+                              component.getName(), 
+                              componentProperty.getName());
+            }
+            
+            // check that the types specified in the component type and component property match
+            if ( componentProperty.getXSDElement() != null &&
+                 !componentProperty.getXSDElement().equals(componentTypeProperty.getXSDElement())){
+                Monitor.error(monitor, 
+                              this, 
+                              Messages.ASSEMBLY_VALIDATION, 
+                              "PropertXSDElementsDontMatch", 
+                              component.getName(), 
+                              componentProperty.getName(),
+                              componentProperty.getXSDElement(),
+                              componentTypeProperty.getXSDElement());                
+            }
+            
+            if ( componentProperty.getXSDType() != null &&
+                    !componentProperty.getXSDType().equals(componentTypeProperty.getXSDType())){
+                Monitor.error(monitor, 
+                              this, 
+                              Messages.ASSEMBLY_VALIDATION, 
+                              "PropertXSDTypesDontMatch", 
+                              component.getName(), 
+                              componentProperty.getName(),
+                              componentProperty.getXSDType(),
+                              componentTypeProperty.getXSDType());                
+            }            
+        }
+    }
+    
+    /**
+     * checks that the component property value is correctly typed when compared with 
+     * the type specified in the composite file property 
+     * 
+     * TODO - Don't yet handle multiplicity
+     *        Need to check composite properties also
+     * 
+     * @param component
+     * @param componentProperty
+     * @param monitor
+     */
+    private void checkComponentPropertyType(Component component, ComponentProperty componentProperty, Monitor monitor) {
+        
+        QName propertyXSDType = componentProperty.getXSDType();
+        QName propertyElementType = componentProperty.getXSDElement();
+        
+        if (propertyXSDType != null){
+            if (propertyXSDType.getNamespaceURI().equals("http://www.w3.org/2001/XMLSchema")) {
+                // The property has a simple schema type so we can use the 
+                // data binding framework to see if the XML value can be transformed 
+                // into a simple Java value
+                Document doc = (Document)componentProperty.getValue();
+                Node source = (doc == null) ? null : doc.getDocumentElement().getFirstChild();
+                DataType<XMLType> sourceDataType = new DataTypeImpl<XMLType>(DOMDataBinding.NAME, 
+                                                                             Node.class,
+                                                                             new XMLType(null, componentProperty.getXSDType()));
+                DataType<XMLType> targetDataType = new DataTypeImpl<XMLType>(JAXBDataBinding.NAME,
+                                                                             Object.class,
+                                                                             new XMLType(null, componentProperty.getXSDType()));                                                       
+                try {
+                    mediator.mediate(source, sourceDataType, targetDataType, null);
+                } catch (Exception ex){
+                    Monitor.error(monitor, 
+                                  this, 
+                                  Messages.ASSEMBLY_VALIDATION, 
+                                  "PropertyValueDoesNotMatchSimpleType", 
+                                  componentProperty.getName(),
+                                  component.getName(), 
+                                  componentProperty.getXSDType().toString()); 
+                }
+            } else {
+                // The property has a complex schema type so we fluff up a schema 
+                // and use that to validate the property value
+                XSDefinition xsdDefinition = (XSDefinition)componentProperty.getXSDDefinition();
+                
+                if (xsdDefinition != null) {
+                    try {
+                        // create schema factory for XML schema
+                        SchemaFactory factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
+                                      
+                        Document schemaDom = xsdDefinition.getSchema().getSchemaDocument();
+                        
+                        String valueSchema = null; 
+                        Schema schema = null;
+                        
+                        if (componentProperty.getXSDType().getNamespaceURI().equals(Constants.SCA11_NS)){
+                            // include the referenced schema as it's already in the OASIS namespace
+                            valueSchema = "<?xml version=\"1.0\" encoding=\"UTF-8\"?> " +
+                                          "<schema xmlns=\"http://www.w3.org/2001/XMLSchema\" "+
+                                                  "xmlns:sca=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\" "+
+                                                  "xmlns:__tmp=\"" + componentProperty.getXSDType().getNamespaceURI() + "\" "+
+                                                  "targetNamespace=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\" " +
+                                                  "elementFormDefault=\"qualified\">" +
+                                              "<include schemaLocation=\"" + xsdDefinition.getLocation() + "\"/>" +
+//                                              "<element name=\"value\" type=\"" + "__tmp:" + componentProperty.getXSDType().getLocalPart() + "\"/>" +
+                                          "</schema>";
+//                            Source sources[] = {new StreamSource(new StringReader(valueSchema))};
+                            Source sources[] = {new DOMSource(schemaDom)};
+                            schema = factory.newSchema(sources);
+                            
+                            // The SCA schema already contains a "value" element so I can't create this schema
+                            // the SCA value element is an any so return assuming that it validates. 
+                            return; 
+                        } else {
+                            // import the referenced schema
+                            valueSchema = "<?xml version=\"1.0\" encoding=\"UTF-8\"?> " +
+                        		          "<schema xmlns=\"http://www.w3.org/2001/XMLSchema\" "+
+                                                  "xmlns:sca=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\" "+
+                                                  "xmlns:__tmp=\"" + componentProperty.getXSDType().getNamespaceURI() + "\" "+
+                                                  "targetNamespace=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\" " +
+                                                  "elementFormDefault=\"qualified\">" +
+                                              "<import namespace=\"" + componentProperty.getXSDType().getNamespaceURI() + "\"/>" +
+                                              "<element name=\"value\" type=\"" + "__tmp:" + componentProperty.getXSDType().getLocalPart() + "\"/>" +
+                                          "</schema>";
+                            Source sources[] = {new DOMSource(schemaDom), new StreamSource(new StringReader(valueSchema))};
+                            schema = factory.newSchema(sources);
+                        }
+                                                
+                        // get the value child of the property element
+                        Document property = (Document)componentProperty.getValue();
+                        Element value = (Element)property.getDocumentElement().getFirstChild();
+                
+                        // validate the element property/value from the DOM
+                        Validator validator = schema.newValidator();
+                        validator.validate(new DOMSource(value));
+                        
+                    } catch (Exception e) {
+                        Monitor.error(monitor, 
+                                this, 
+                                Messages.ASSEMBLY_VALIDATION, 
+                                "PropertyValueDoesNotMatchComplexType", 
+                                componentProperty.getName(),
+                                component.getName(), 
+                                componentProperty.getXSDType().toString(), 
+                                e.getMessage());
+                    }
+                }
+            }
+        } else if (propertyElementType != null) {
+            // TODO - TUSCANY-3530 - still need to add validation for element type
+            
+        }
+    }    
+
+    /**
+     * If the property has a source attribute use this to retrieve the value from a 
+     * property in the parent composite
+     * 
+     * @param parentCompoent the composite that contains the component
+     * @param component
+     * @param componentProperty
+     */
+    private void processPropertySourceAttribute(Component outerComponent,
+                                                Composite parentComposite,
+                                                Component component,
+                                                ComponentProperty componentProperty,
+                                                Monitor monitor) {
+        String source = componentProperty.getSource();
+
+        if (source != null) {
+            // $<name>/...
+            int index = source.indexOf('/');
+            if (index == -1) {
+                // Tolerating $prop
+                source = source + "/";
+                index = source.length() - 1;
+            }
+            if (source.charAt(0) == '$') {
+                String name = source.substring(1, index);
+                Property sourceProp = null;
+                if (outerComponent != null) {
+                    sourceProp = outerComponent.getProperty(name);
+                } else {
+                    sourceProp = parentComposite.getProperty(name);
+                }
+                if (sourceProp == null) {
+                    Monitor.error(monitor,
+                                  this,
+                                  Messages.ASSEMBLY_VALIDATION,
+                                  "PropertySourceNotFound",
+                                  source,
+                                  componentProperty.getName(),
+                                  component.getName());
+                }
+
+                Document sourcePropValue = (Document)sourceProp.getValue();
+
+                try {
+                    // FIXME: How to deal with namespaces?
+                    Document node =
+                        evaluateXPath(sourcePropValue,
+                                      componentProperty.getSourceXPathExpression(),
+                                      documentBuilderFactory);
+
+                    if (node != null) {
+                        componentProperty.setValue(node);
+                    } else {
+                        Monitor.warning(monitor,
+                                        this,
+                                        Messages.ASSEMBLY_VALIDATION,
+                                        "PropertyXpathExpressionReturnedNull",
+                                        component.getName(),
+                                        componentProperty.getName(),
+                                        componentProperty.getSource());
+                    }
+                } catch (Exception ex) {
+                    Monitor.error(monitor,
+                                  this,
+                                  Messages.ASSEMBLY_VALIDATION,
+                                  "PropertySourceXpathInvalid",
+                                  source,
+                                  componentProperty.getName(),
+                                  component.getName(),
+                                  ex);
+                }
+            } else {
+                Monitor.error(monitor,
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "PropertySourceValueInvalid",
+                              source,
+                              componentProperty.getName(),
+                              component.getName());
+            }
+        }
+    }
+
+    /**
+     * If the property has a file attribute use this to retrieve the value from a 
+     * local file
+
+     * 
+     * @param parentCompoent the composite that contains the component
+     * @param component
+     */
+    private void processPropertyFileAttribute(Component component, ComponentProperty componentProperty, Monitor monitor) {
+        String file = componentProperty.getFile();
+        if (file != null) {
+            try {
+                URI uri = URI.create(file);
+                // URI resolution for relative URIs is done when the composite is resolved.
+                URL url = uri.toURL();
+                URLConnection connection = url.openConnection();
+                connection.setUseCaches(false);
+                InputStream is = null;
+                try {
+                    is = connection.getInputStream();
+
+                    Source streamSource = new SAXSource(new InputSource(is));
+                    DOMResult result = new DOMResult();
+                    javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
+                    transformer.transform(streamSource, result);
+
+                    Document document = (Document)result.getNode();
+
+                    // TUSCANY-2377, Add a fake value element so it's consistent with
+                    // the DOM tree loaded from inside SCDL
+                    if (!document.getDocumentElement().getLocalName().equals("value")){
+                        Element root = document.createElementNS(null, "value");
+                        root.appendChild(document.getDocumentElement());
+                        
+                        // remove all the child nodes as they will be replaced by 
+                        // the "value" node
+                        NodeList children = document.getChildNodes();
+                        for (int i=0; i < children.getLength(); i++){
+                            document.removeChild(children.item(i));
+                        }
+                        
+                        // add the value node back in
+                        document.appendChild(root);
+                    }
+                    
+                    componentProperty.setValue(document);
+                } finally {
+                    if (is != null) {
+                        is.close();
+                    }
+                }
+            } catch (Exception ex) {
+                Monitor.error(monitor,
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "PropertyFileValueInvalid",
+                              file,
+                              componentProperty.getName(),
+                              component.getName(),
+                              ex);
+            }
+        }
+
+    }
+
+    /**
+     * Evaluate an XPath expression against a Property value, returning the result as a Property value
+     * @param node - the document root element of a Property value
+     * @param expression - the XPath expression
+     * @param documentBuilderFactory - a DOM document builder factory
+     * @return - a DOM Document representing the result of the evaluation as a Property value
+     * @throws XPathExpressionException
+     * @throws ParserConfigurationException
+     */
+    private Document evaluateXPath(Document node,
+                                   XPathExpression expression,
+                                   DocumentBuilderFactory documentBuilderFactory) throws XPathExpressionException,
+        ParserConfigurationException {
+
+        // The document element is a <sca:property/> element
+        Node property = node.getDocumentElement();
+        // The first child of the <property/> element is a <value/> element
+        Node value = property.getFirstChild();
+
+        Node result = (Node)expression.evaluate(value, XPathConstants.NODE);
+        if (result == null) {
+            return null;
+        }
+
+        if (result instanceof Document) {
+            return (Document)result;
+        } else {
+            Document document = documentBuilderFactory.newDocumentBuilder().newDocument();
+            Element newProperty = document.createElementNS(SCA11_NS, "property");
+
+            if (result.getNodeType() == Node.ELEMENT_NODE) {
+                // If the result is a <value/> element, use it directly in the result
+                newProperty.appendChild(document.importNode(result, true));
+            } else {
+                // If the result is not a <value/> element, create a <value/> element to contain the result
+                Element newValue = document.createElementNS(SCA11_NS, "value");
+                newValue.appendChild(document.importNode(result, true));
+                newProperty.appendChild(newValue);
+            } // end if
+            document.appendChild(newProperty);
+
+            return document;
+        }
+    }
+
+    /**
+     * Create a callback reference for a component service
+     * 
+     * @param component
+     * @param service
+     */
+    private void createCallbackReference(Component component, ComponentService service) {
+
+        // if the service has a callback interface create a reference
+        // to represent the callback 
+        if (service.getInterfaceContract() != null && // can be null in unit tests
+        service.getInterfaceContract().getCallbackInterface() != null) {
+
+            ComponentReference callbackReference = assemblyFactory.createComponentReference();
+            callbackReference.setForCallback(true);
+            callbackReference.setName(service.getName());
+            // MJE: multiplicity = 0..n for these callback references
+            callbackReference.setMultiplicity(Multiplicity.ZERO_N);
+            try {
+                InterfaceContract contract = (InterfaceContract)service.getInterfaceContract().clone();
+                contract.setInterface(contract.getCallbackInterface());
+                contract.setCallbackInterface(null);
+                callbackReference.setInterfaceContract(contract);
+            } catch (CloneNotSupportedException e) {
+                // will not happen
+            }
+            Service implService = service.getService();
+            if (implService != null) {
+
+                // If the implementation service is a CompositeService, ensure that the Reference that is 
+                // created is a CompositeReference, otherwise create a Reference
+                Reference implReference;
+                if (implService instanceof CompositeService) {
+                    CompositeReference implCompReference = assemblyFactory.createCompositeReference();
+                    // Set the promoted component from the promoted component of the composite service
+                    implCompReference.getPromotedComponents().add(((CompositeService)implService)
+                        .getPromotedComponent());
+                    
+                    // Get the promoted component reference corresponding to the service with the callback
+                    // fist checking that the promoted service is resolved lest we get a NPE trying to
+                    // retrieve the promoted component. It could be unresolved if the user gets the 
+                    // promotes string wrong
+                    // TODO - is there any danger that the callback reference name will clash with other
+                    //        reference names. Old code used to qualify it with promoted component name
+                    if (((CompositeService)implService).getPromotedService().isUnresolved() == false){
+                        String referenceName = ((CompositeService)implService).getPromotedService().getName();
+                        ComponentReference promotedReference = ((CompositeService)implService).getPromotedComponent().getReference(referenceName);
+                        implCompReference.getPromotedReferences().add(promotedReference);
+                    }                 
+                    implReference = implCompReference;
+                    
+                    // Add the composite reference to the composite implementation artifact
+                    Implementation implementation = component.getImplementation();
+                    if (implementation != null && implementation instanceof Composite) {
+                        ((Composite)implementation).getReferences().add(implCompReference);
+                    }
+                } else {
+                    implReference = assemblyFactory.createReference();
+                }
+
+                implReference.setName(implService.getName());
+                // MJE: Fixup multiplicity as 0..n for callback references in the component type
+                implReference.setMultiplicity(Multiplicity.ZERO_N);
+                try {
+                    InterfaceContract implContract = (InterfaceContract)implService.getInterfaceContract().clone();
+                    implContract.setInterface(implContract.getCallbackInterface());
+                    implContract.setCallbackInterface(null);
+                    implReference.setInterfaceContract(implContract);
+                } catch (CloneNotSupportedException e) {
+                    // will not happen
+                }
+                callbackReference.setReference(implReference);
+            }
+            component.getReferences().add(callbackReference);
+
+            // Set the bindings of the callback reference 
+            if (callbackReference.getBindings().isEmpty()) {
+                // If there are specific callback bindings set in the SCDL service
+                // callback element then use them
+                // at runtime a callback binding will be selected based on the forward call
+                if (service.getCallback() != null && service.getCallback().getBindings().size() > 0) {
+                    callbackReference.getBindings().addAll(service.getCallback().getBindings());
+                } else {
+                    // otherwise take a copy of all the bindings on the forward service
+                    // at runtime a callback binding will be selected based on the forward call
+                    List<Binding> serviceBindings = service.getBindings();
+                    for ( Binding serviceBinding: serviceBindings ) {
+                    	try {
+							Binding referenceBinding = (Binding)serviceBinding.clone();
+							referenceBinding.setURI(null);
+							callbackReference.getBindings().add(referenceBinding);
+						} catch (CloneNotSupportedException e) {
+							// will not happen
+						} // end try
+                    } // end for
+                    
+                    // if there are still no bindings for the callback create a default binding which 
+                    // will cause the EPR for this reference to be marked as EndpointReference.NOT_CONFIGURED
+                    if( serviceBindings.size() == 0 ) {
+                    	createSCABinding(callbackReference, null);
+                    } // end if
+                }
+            }
+            service.setCallbackReference(callbackReference);
+        }
+    }
+
+    /**
+     * Create a callback service for a component reference
+     * 
+     * @param component
+     * @param service
+     */
+    private void createCallbackService(Component component, ComponentReference reference) {
+        if (reference.getInterfaceContract() != null && // can be null in unit tests
+            reference.getInterfaceContract().getCallbackInterface() != null) {
+            ComponentService callbackService = assemblyFactory.createComponentService();
+            callbackService.setForCallback(true);
+            callbackService.setName(reference.getName());
+            try {
+                InterfaceContract contract = (InterfaceContract)reference.getInterfaceContract().clone();
+                contract.setInterface(contract.getCallbackInterface());
+                contract.setCallbackInterface(null);
+                callbackService.setInterfaceContract(contract);
+            } catch (CloneNotSupportedException e) {
+                // will not happen
+            }
+            Reference implReference = reference.getReference();
+            if (implReference != null) {
+                // If the implementation reference is a CompositeReference, ensure that the Service that is 
+                // created is a CompositeService, otherwise create a Service
+                Service implService;
+                if (implReference instanceof CompositeReference) {
+                    CompositeService implCompService = assemblyFactory.createCompositeService();
+                    // TODO The reality here is that the composite reference which has the callback COULD promote more than
+                    // one component reference - and there must be a separate composite callback service for each of these component
+                    // references
+                    
+                    // Set the promoted component from the promoted component of the composite reference
+                    implCompService.setPromotedComponent(((CompositeReference)implReference).getPromotedComponents().get(0));
+                    implCompService.setForCallback(true);
+                    
+                    // Get the promoted component service corresponding to the reference with the callback
+                    // fist checking that the promoted reference is resolved lest we get a NPE trying to
+                    // retrieve the promoted component. It could be unresolved if the user gets the 
+                    // promotes string wrong
+                    if (((CompositeReference)implReference).getPromotedReferences().get(0).isUnresolved() == false){
+                        String serviceName = ((CompositeReference)implReference).getPromotedReferences().get(0).getName();
+                        ComponentService promotedService = ((CompositeReference)implReference).getPromotedComponents().get(0).getService(serviceName);
+                        implCompService.setPromotedService(promotedService);
+                    }
+                    
+                    implService = implCompService;
+                    // Add the composite service to the composite implementation artifact
+                    Implementation implementation = component.getImplementation();
+                    if (implementation != null && implementation instanceof Composite) {
+                        ((Composite)implementation).getServices().add(implCompService);
+                    } // end if
+                    //
+                } else {
+                    implService = assemblyFactory.createService();
+                } // end if
+                //
+                implService.setName(implReference.getName());
+                try {
+                    InterfaceContract implContract = (InterfaceContract)implReference.getInterfaceContract().clone();
+                    implContract.setInterface(implContract.getCallbackInterface());
+                    implContract.setCallbackInterface(null);
+                    implService.setInterfaceContract(implContract);
+                } catch (CloneNotSupportedException e) {
+                    // will not happen
+                }
+                callbackService.setService(implService);
+            }
+            component.getServices().add(callbackService);
+
+            // configure bindings for the callback service
+            if (callbackService.getBindings().isEmpty()) {
+                if (reference.getCallback() != null && reference.getCallback().getBindings().size() > 0) {
+                    // set bindings of the callback service based on the information provided in 
+                    // SCDL reference callback element
+                    callbackService.getBindings().addAll(reference.getCallback().getBindings());
+                } else if (reference.getBindings().size() > 0) {
+                    // use any bindings explicitly declared on the forward reference
+                    for (Binding binding : reference.getBindings()) {
+                        try {
+                            Binding clonedBinding = (Binding)binding.clone();
+                            // binding uri will be calculated during runtime build
+                            clonedBinding.setURI(null);
+                            callbackService.getBindings().add(clonedBinding);
+                        } catch (CloneNotSupportedException ex) {
+
+                        }
+                    }
+                } else {
+                    // create a default binding which will have the correct policy 
+                    // and URI added. We check later to see if a new binding is required
+                    // based on the forward binding but can then copy policy and URI
+                    // details from here. 
+                    // TODO - there is a hole here. If the user explicitly specified an
+                    //        SCA callback binding that is different from the forward 
+                    //        binding type then we're in trouble
+                    createSCABinding(callbackService, null);
+                }
+            }
+
+            reference.setCallbackService(callbackService);
+        }
+    }
+
+    /**
+     * Create a default SCA binding in the case that no binding
+     * is specified by the user
+     * 
+     * @param contract
+     * @param definitions
+     */
+    protected void createSCABinding(Contract contract, Definitions definitions) {
+
+        SCABinding scaBinding = scaBindingFactory.createSCABinding();
+        scaBinding.setName(contract.getName());
+
+        if (definitions != null) {
+            for (ExtensionType attachPointType : definitions.getBindingTypes()) {
+                if (attachPointType.getType().equals(BINDING_SCA_QNAME)) {
+                    ((PolicySubject)scaBinding).setExtensionType(attachPointType);
+                }
+            }
+        }
+
+        contract.getBindings().add(scaBinding);
+        contract.setOverridingBindings(false);
+    }
+
+    /**
+     * Look to see if any value elements have been set into the property
+     * A bit involved as the value is stored as a DOM Document
+     * 
+     * @param property the property to be tested
+     * @return true is values are present
+     */
+    private boolean isPropertyValueSet(Property property) {
+        Document value = (Document)property.getValue();
+
+        if (value == null) {
+            return false;
+        }
+
+        if (value.getDocumentElement() == null) {
+            return false;
+        }
+
+        if (value.getDocumentElement().getChildNodes().getLength() == 0) {
+            return false;
+        }
+
+        return true;
+    }
+    
+    /**
+     * Look to see is a property has more than one value
+     * 
+     * @param property
+     * @return true is the property has more than one value
+     */
+    private boolean isPropertyManyValued(Property property) {
+        
+        if (isPropertyValueSet(property)){
+            Document value = (Document)property.getValue();
+            if (value.getDocumentElement().getChildNodes().getLength() > 1){
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private boolean isValidMultiplicityOverride(Multiplicity definedMul, Multiplicity overridenMul) {
+        if (definedMul != overridenMul) {
+            switch (definedMul) {
+                case ZERO_N:
+                    return overridenMul == Multiplicity.ZERO_ONE || overridenMul == Multiplicity.ONE_ONE
+                        || overridenMul == Multiplicity.ONE_N;
+                case ONE_N:
+                    return overridenMul == Multiplicity.ONE_ONE;
+                case ZERO_ONE:
+                    return overridenMul == Multiplicity.ONE_ONE;
+                default:
+                    return false;
+            }
+        } else {
+            return true;
+        }
+    }
+
+
+    /**
+     * Interface contract from higher in the implementation hierarchy takes precedence
+     * When it comes to checking compatibility the top level service interface is a 
+     * subset of the promoted service interface so treat the top level interface as
+     * the source
+     * 
+     * @param topContract the top contract 
+     * @param bottomContract the bottom contract
+     */
+    private void calculateServiceInterfaceContract(Component component, Service topContract, Service bottomContract, Monitor monitor) {
+
+        // Use the interface contract from the bottom level contract if
+        // none is specified on the top level contract
+        InterfaceContract topInterfaceContract = topContract.getInterfaceContract();
+        InterfaceContract bottomInterfaceContract = bottomContract.getInterfaceContract();
+
+        if (topInterfaceContract == null) {
+            topContract.setInterfaceContract(bottomInterfaceContract);
+        } else if (bottomInterfaceContract != null) {
+            // Check that the top and bottom interface contracts are compatible
+            boolean isCompatible = true;
+            String incompatibilityReason = "";
+            try{
+                isCompatible = checkSubsetCompatibility(topInterfaceContract, 
+                                                        bottomInterfaceContract);
+            } catch (IncompatibleInterfaceContractException ex){
+                isCompatible = false;
+                incompatibilityReason = ex.getMessage();
+            }            
+            if (!isCompatible) {
+                Monitor.error(monitor,
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "ServiceIncompatibleComponentInterface",
+                              component.getName(),
+                              topContract.getName(),
+                              incompatibilityReason);
+            }
+            
+            // TODO - there is an issue with the following code if the 
+            //        contracts of of different types. Need to use the 
+            //        normalized form
+            
+            // fix up the forward interface based on the promoted component
+            // Someone might have manually specified a callback interface but
+            // left out the forward interface
+            if (topInterfaceContract.getInterface() == null){
+                topInterfaceContract.setInterface(bottomInterfaceContract.getInterface());
+            }              
+            
+            // fix up the callback interface based on the promoted component
+            // Someone might have manually specified a forward interface but
+            // left out the callback interface
+            if (topInterfaceContract.getCallbackInterface() == null){
+                topInterfaceContract.setCallbackInterface(bottomInterfaceContract.getCallbackInterface());
+            }            
+        }
+    }
+    
+    /**
+     * Interface contract from higher in the implementation hierarchy takes precedence
+     * When it comes to checking compatibility the top level reference interface is a 
+     * superset of the promoted reference interface so treat the promoted
+     * (bottom) interface as the source    
+     * 
+     * @param topContract the top contract 
+     * @param bottomContract the bottom contract
+     */
+    private void calculateReferenceInterfaceContract(Component component, Reference topContract, Reference bottomContract, Monitor monitor) {
+
+        // Use the interface contract from the bottom level contract if
+        // none is specified on the top level contract
+        InterfaceContract topInterfaceContract = topContract.getInterfaceContract();
+        InterfaceContract bottomInterfaceContract = bottomContract.getInterfaceContract();
+
+        if (topInterfaceContract == null) {
+            topContract.setInterfaceContract(bottomInterfaceContract);
+        } else if (bottomInterfaceContract != null) {
+            // Check that the top and bottom interface contracts are compatible
+            boolean isCompatible = true;
+            String incompatibilityReason = "";
+            try{
+                isCompatible = checkSubsetCompatibility(bottomInterfaceContract, 
+                                                        topInterfaceContract);
+            } catch (IncompatibleInterfaceContractException ex){
+                isCompatible = false;
+                incompatibilityReason = ex.getMessage();
+            }            
+            if (!isCompatible) {
+                Monitor.error(monitor,
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "ReferenceIncompatibleComponentInterface",
+                              component.getName(),
+                              topContract.getName(),
+                              incompatibilityReason);
+            }
+            
+            // TODO - there is an issue with the following code if the 
+            //        contracts of of different types. Need to use the 
+            //        normalized form
+            
+            // fix up the forward interface based on the promoted component
+            // Someone might have manually specified a callback interface but
+            // left out the forward interface
+            if (topInterfaceContract.getInterface() == null){
+                topInterfaceContract.setInterface(bottomInterfaceContract.getInterface());
+            }            
+            
+            // fix up the callback interface based on the promoted component
+            // Someone might have manually specified a forward interface but
+            // left out the callback interface
+            if (topInterfaceContract.getCallbackInterface() == null){
+                topInterfaceContract.setCallbackInterface(bottomInterfaceContract.getCallbackInterface());
+            }            
+        }
+    }    
+
+    /**
+     * Bindings from higher in the hierarchy take precedence
+     * 
+     * @param componentService the top service 
+     * @param componentTypeService the bottom service
+     */
+    private void calculateBindings(Component component, Service componentService, Service componentTypeService, Monitor monitor) {
+        // forward bindings
+        if (componentService.getBindings().isEmpty()) {
+            componentService.getBindings().addAll(componentTypeService.getBindings());
+        }
+
+        if (componentService.getBindings().isEmpty()) {
+            createSCABinding(componentService, null);
+        }
+
+        // callback bindings
+        if (componentService.getCallback() == null) {
+            componentService.setCallback(componentTypeService.getCallback());
+            if (componentService.getCallback() == null) {
+                // Create an empty callback to avoid null check
+                componentService.setCallback(assemblyFactory.createCallback());
+            }
+        } else if (componentService.getCallback().getBindings().isEmpty() && componentTypeService.getCallback() != null) {
+            componentService.getCallback().getBindings().addAll(componentTypeService.getCallback().getBindings());
+        }
+        
+        // [ASM90005] validate that binding.sca has no uri set
+        for (Binding binding : componentService.getBindings()){
+            if (binding instanceof SCABinding){
+                if ((binding.getURI() != null) &&
+                    (binding.getURI().length() > 0)){
+                    Monitor.error(monitor,
+                            this,
+                            Messages.ASSEMBLY_VALIDATION,
+                            "URIFoundOnServiceSCABinding",
+                            binding.getName(),
+                            component.getName(),
+                            componentService.getName(),
+                            binding.getURI());
+                } 
+            }
+        }
+
+    }
+    
+    /**
+     * Bindings from higher in the hierarchy take precedence
+     * 
+     * @param componentReference the top service 
+     * @param componentTypeReference the bottom service
+     */
+    private void calculateBindings(Reference componentReference, Reference componentTypeReference) {
+        // forward bindings
+        if (componentReference.getBindings().isEmpty()) {
+            componentReference.getBindings().addAll(componentTypeReference.getBindings());
+        }
+
+        // callback bindings
+        if (componentReference.getCallback() == null) {
+            componentReference.setCallback(componentTypeReference.getCallback());
+        } else if (componentReference.getCallback().getBindings().isEmpty() && componentTypeReference.getCallback() != null) {
+            componentReference.getCallback().getBindings().addAll(componentTypeReference.getCallback().getBindings());
+        }
+    }  
+    
+    /**
+     * A local wrapper for the interace contract mapper as we need to normalize the 
+     * interface contracts if appropriate and the mapper doesn't have the right
+     * dependencies to be able to do it. 
+     * 
+     * Sometimes the two interfaces can be presented using different IDLs, for example
+     * Java and WSDL. In this case interfaces are converted so that they are both WSDL1.1 interfaces
+     * and they are then compared. The generated WSDL is cached on the interface object for 
+     * any subsequent matching
+     * 
+     * @param contractA
+     * @param contractB
+     * @return true if the interface contracts match
+     */
+    private boolean checkSubsetCompatibility(InterfaceContract contractA, InterfaceContract contractB)
+        throws IncompatibleInterfaceContractException {
+        
+        if (contractA.getClass() != contractB.getClass()) {
+                      
+            if (contractA instanceof JavaInterfaceContract){
+                contractBuilder.build(contractA, null);
+                contractA = ((JavaInterfaceContract)contractA).getNormalizedWSDLContract();
+            } 
+            
+            if (contractB instanceof JavaInterfaceContract){
+                contractBuilder.build(contractB, null);
+                contractB = ((JavaInterfaceContract)contractB).getNormalizedWSDLContract();
+            }            
+        }   
+        
+        return interfaceContractMapper.checkCompatibility(contractA, 
+                                                          contractB, 
+                                                          Compatibility.SUBSET, 
+                                                          false, 
+                                                          false);
+    }
+
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ComponentPolicyBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ComponentPolicyBuilderImpl.java
new file mode 100644
index 0000000000..e908122861
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ComponentPolicyBuilderImpl.java
@@ -0,0 +1,578 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.CompositeReference;
+import org.apache.tuscany.sca.assembly.CompositeService;
+import org.apache.tuscany.sca.assembly.Contract;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint;
+import org.apache.tuscany.sca.assembly.builder.Messages;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.definitions.Definitions;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.policy.ExtensionType;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.IntentMap;
+import org.apache.tuscany.sca.policy.PolicyExpression;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.PolicySubject;
+import org.apache.tuscany.sca.policy.Qualifier;
+
+/**
+ * A composite builder that computes policy sets based on attached intents and policy sets.
+ * Useful if you want to build the model without making any runtime decisions such as
+ * reference/services matching
+ *
+ * @version $Rev$ $Date$
+ */
+public class ComponentPolicyBuilderImpl {
+
+    protected BuilderExtensionPoint builders;
+
+    public ComponentPolicyBuilderImpl(ExtensionPointRegistry registry) {
+        this.builders = registry.getExtensionPoint(BuilderExtensionPoint.class);
+    }
+
+    /**
+     * Report a warning.
+     *
+     * @param monitor
+     * @param problems
+     * @param message
+     * @param model
+     */
+    protected void warning(Monitor monitor, String message, Object model, Object... messageParameters) {
+        Monitor.warning(monitor, this, Messages.BUILDER_VALIDATION_BUNDLE, message, messageParameters);
+    }
+
+    /**
+     * Report a error.
+     *
+     * @param monitor
+     * @param problems
+     * @param message
+     * @param model
+     */
+    protected void error(Monitor monitor, String message, Object model, Object... messageParameters) {
+        Monitor.error(monitor, this, Messages.BUILDER_VALIDATION_BUNDLE, message, messageParameters);
+    }
+
+
+    /**
+     * Inherit the intents and policySets from the list of models
+     * 
+     * @param policySubject - the subject to which intents will be added
+     * @param intentType - choose to copy interaction or implementation intents. Null = both
+     * @param ignoreExclusiveIntents - when set true mutually exclusive intents won't be copied
+     * @param models - the subjects from which intents will be copied
+     */
+    protected void inherit(PolicySubject policySubject, Intent.Type intentType, boolean ignoreExclusiveIntents, Object... models) {
+        for (Object model : models) {
+            if (model instanceof PolicySubject) {
+                PolicySubject subject = (PolicySubject)model;
+
+                if (!ignoreExclusiveIntents) {
+                    // The intents are merged and the exclusion check will be done after
+                    for (Intent intent : subject.getRequiredIntents()) {
+                        if (!policySubject.getRequiredIntents().contains(intent)){
+                            if (intentType != null) {
+                                if (intent.getType().equals(intentType)){
+                                    policySubject.getRequiredIntents().add(intent);
+                                }
+                            } else {
+                                policySubject.getRequiredIntents().add(intent);
+                            }
+                        }
+                    }
+                } else {
+                    Set<Intent> intents = new HashSet<Intent>();
+                    for (Intent i1 : subject.getRequiredIntents()) {
+                        boolean exclusive = false;
+                        for (Intent i2 : policySubject.getRequiredIntents()) {
+                            if (i1.getExcludedIntents().contains(i2) || i2.getExcludedIntents().contains(i1)) {
+                                exclusive = true;
+                                break;
+                            }
+                        }
+                        if (!exclusive) {
+                            if (!intents.contains(i1)){
+                                if (intentType != null) {
+                                    if (i1.getType().equals(intentType)){
+                                        intents.add(i1);
+                                    }
+                                } else {
+                                    intents.add(i1);
+                                }
+                            }
+                        }
+                    }
+                    policySubject.getRequiredIntents().addAll(intents);
+                }
+                //FIXME this duplicates the intents for a implementation
+                //e.g <implementation.java requires="managedTransaction.local managedTransaction.local" 
+                //becomes twice
+                //[{http://docs.oasis-open.org/ns/opencsa/sca/200912}managedTransaction.local, 
+                //{http://docs.oasis-open.org/ns/opencsa/sca/200912}managedTransaction.local]
+                for (PolicySet policySet : subject.getPolicySets()){
+                    if (!policySubject.getPolicySets().contains(policySet)){
+                        policySubject.getPolicySets().add(policySet);
+                    }
+                }
+            }
+        }
+    }
+
+    protected void configure(PolicySubject subject1, PolicySubject subject2, Intent.Type intentType, BuilderContext context) {
+        if (subject1 != null) {
+            resolveAndCheck(subject1, context);
+        }
+        if (subject2 != null) {
+            resolveAndCheck(subject2, context);
+        }
+        inherit(subject1, intentType, false, subject2);
+        checkMutualExclusion(subject1, context);
+    }
+
+    protected void configure(ComponentService componentService, BuilderContext context) {
+        Service service = componentService.getService();
+        if (service != null) {
+            configure(componentService, service, null, context);
+            configureBindings(componentService, service, context);
+        }
+    }
+
+    private void configureBindings(Contract componentContract, Contract componentTypeContract, BuilderContext context) {
+        if (componentTypeContract == null) {
+            return;
+        }
+        Map<String, Binding> componentTypeContractBindings = new HashMap<String, Binding>();
+        for (Binding binding : componentTypeContract.getBindings()) {
+            componentTypeContractBindings.put(binding.getName(), binding);
+        }
+        for (Binding binding : componentContract.getBindings()) {
+            Binding componentTypeBinding = componentTypeContractBindings.get(binding.getName());
+            if (binding instanceof PolicySubject &&
+                componentTypeBinding instanceof PolicySubject) {
+                configure((PolicySubject)binding, (PolicySubject)componentTypeBinding, Intent.Type.interaction, context);
+            }
+        }
+    }
+
+    protected void configure(ComponentReference componentReference, BuilderContext context) {
+        Reference reference = componentReference.getReference();
+        if (reference != null) {
+            configure(componentReference, reference, null, context);
+            configureBindings(componentReference, reference, context);
+        }
+    }
+
+    protected void configure(CompositeService compositeService, BuilderContext context) {
+        configure(compositeService, compositeService.getPromotedService(), null, context);
+    }
+
+    protected void configure(CompositeReference compositeReference, BuilderContext context) {
+        for (ComponentReference reference : compositeReference.getPromotedReferences()) {
+            configure(compositeReference, reference, null, context);
+        }
+    }
+
+    public void configure(Component component, BuilderContext context) {
+        Monitor monitor = context.getMonitor();
+        
+        // fix up the component type by copying all implementation level
+        // interaction intents to *all* the component type services
+        for (ComponentService componentService : component.getServices()) {
+            monitor.pushContext("Service: " + componentService.getName());
+            try {
+                configure(componentService, component.getImplementation(), Intent.Type.interaction, context);
+                removeConstrainedIntents(componentService, context);
+            } finally {
+                monitor.popContext();
+            }            
+        }
+        
+        // Inherit the intents and policySets from the componentType
+        for (ComponentReference componentReference : component.getReferences()) {
+            monitor.pushContext("Reference: " + componentReference.getName());
+            try {
+                configure(componentReference, context);
+                removeConstrainedIntents(componentReference, context);
+            } finally {
+                monitor.popContext();
+            } 
+        }
+        
+        for (ComponentService componentService : component.getServices()) {
+            monitor.pushContext("Service: " + componentService.getName());
+            try {
+                configure(componentService, context);
+                removeConstrainedIntents(componentService, context);
+            } finally {
+                monitor.popContext();
+            } 
+        }
+    }
+    
+    /**
+     * Checks if any qualifiable intents of intents in an excluded intent list match 
+     * with a second intent. looking for the case where 
+     * 
+     *  <intent name="intentA" excludes="intentB"/>
+     *  <intent name="intentB" >
+     *      <sca:qualifier name="q1" default="true"/>
+     *      <sca:qualifier name="q2" default="true"/>
+     *  </intent>
+     *  
+     *  And were
+     *  
+     *  requires="intentA intentB.q1" appears on an element
+     *  
+     * @param excludedIntentList
+     * @param intent
+     * @return
+     */
+    protected boolean checkQualifiedMutualExclusion(List<Intent> excludedIntentList, Intent intent){
+        for (Intent excludedIntent : excludedIntentList){
+            if (intent.getQualifiableIntent() != null &&
+                excludedIntent != null && 
+                intent.getQualifiableIntent().equals(excludedIntent)){
+                return true;
+            }
+        }
+        return false;
+    }    
+    
+    /**
+     * Check if two intents are mutually exclusive
+     * 
+     * @param i1
+     * @param i2
+     * @param context
+     * @return
+     */
+    protected boolean checkMutualExclusion(Intent i1, Intent i2, BuilderContext context){
+        if ((i1 != i2) && 
+            (i1.getExcludedIntents().contains(i2) || 
+             i2.getExcludedIntents().contains(i1) ||
+             checkQualifiedMutualExclusion(i1.getExcludedIntents(), i2) ||
+             checkQualifiedMutualExclusion(i2.getExcludedIntents(), i1))) {
+            error(context.getMonitor(), "MutuallyExclusiveIntentsAtBuild", this, i1, i2);
+            return true;
+        }
+        
+        return false;
+    }
+
+    /**
+     * Check if a single policy subject requires mutually exclusive intents
+     * @param subject1 - the policy subject to check
+     * @param context - context containing useful things like the monitor instance
+     * @return true if the policy subject contains mutually exclusive intents
+     */
+    protected boolean checkMutualExclusion(PolicySubject subject1, BuilderContext context) {
+        if (subject1 == null) {
+            return false;
+        }
+        for (Intent i1 : subject1.getRequiredIntents()) {
+            for (Intent i2 : subject1.getRequiredIntents()) {
+                if (checkMutualExclusion(i1, i2, context)){
+                    return true;
+                }              
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Check if two policy subjects requires mutually exclusive intents
+     * @param subject1
+     * @param subject2
+     * @param monitor 
+     * @return
+     */
+    protected boolean checkMutualExclusion(PolicySubject subject1, PolicySubject subject2, BuilderContext context) {
+        if (subject1 == subject2 || subject1 == null || subject2 == null) {
+            return false;
+        }
+        for (Intent i1 : subject1.getRequiredIntents()) {
+            for (Intent i2 : subject2.getRequiredIntents()) {
+                if (checkMutualExclusion(i1, i2, context)){
+                    return true;
+                }               
+            }
+        }
+        return false;
+    }
+
+    protected boolean resolveAndCheck(PolicySubject subject, BuilderContext context) {
+        if (subject == null) {
+            return false;
+        }
+        // FIXME: [rfeng] Should we resolve the intents during the "build" phase?
+        resolveAndNormalize(subject, context);
+        
+        checkMutualExclusion(subject, context);
+            
+        return false;
+    }
+
+    /**
+     * Check if two names are equal
+     * @param name1
+     * @param name2
+     * @return
+     */
+    protected boolean isEqual(String name1, String name2) {
+        if (name1 == name2) {
+            return true;
+        }
+        if (name1 != null) {
+            return name1.equals(name2);
+        } else {
+            return name2.equals(name1);
+        }
+    }
+
+    protected static Intent resolve(Definitions definitions, Intent proxy) {
+        for (Intent i : definitions.getIntents()) {
+            if (i.equals(proxy)) {
+                return i;
+            }
+            for (Intent qi : i.getQualifiedIntents()) {
+                if (qi.equals(proxy)) {
+                    return qi;
+                }
+            }
+        }
+        return null;
+    }
+
+    // Replace qualifiable intents with their default qualifier. This can't be done until
+    // after inheritance. 
+    protected void expandDefaultIntents(PolicySubject subject, BuilderContext context) {
+      
+        Set<Intent> copy = new HashSet<Intent>(subject.getRequiredIntents());
+        for (Intent i : copy) {
+            if (i.getDefaultQualifiedIntent() != null) {
+                subject.getRequiredIntents().remove(i);
+                subject.getRequiredIntents().add(i.getDefaultQualifiedIntent());
+            }
+        }
+    }
+    protected void resolveAndNormalize(PolicySubject subject, BuilderContext context) {
+        Definitions definitions = context.getDefinitions();
+        Set<Intent> intents = new HashSet<Intent>();
+        if (definitions != null) {
+            for (Intent i : subject.getRequiredIntents()) {
+                Intent resolved = resolve(definitions, i);
+                if (resolved != null) {
+                    intents.add(resolved);
+                } else {
+                    error(context.getMonitor(), "IntentNotFoundAtBuild", subject, i);
+                    // Intent cannot be resolved
+                }
+            }
+        }
+
+        // Replace profile intents with their required intents
+        while (!intents.isEmpty()) {
+            boolean profileIntentsFound = false;
+            Set<Intent> copy = new HashSet<Intent>(intents);
+            for (Intent i : copy) {
+                if (!i.getRequiredIntents().isEmpty()) {
+                    intents.remove(i);
+                    intents.addAll(i.getRequiredIntents());
+                    profileIntentsFound = true;
+                }
+            }
+            if (!profileIntentsFound) {
+                // No more profileIntents
+                break;
+            }
+        }
+        
+        // Replace unqualified intents if there is a qualified intent in the list
+        Set<Intent> copy = new HashSet<Intent>(intents);
+        for (Intent i : copy) {
+            if (i.getQualifiableIntent() != null) {
+                intents.remove(i.getQualifiableIntent());
+            }
+
+        }
+
+
+        subject.getRequiredIntents().clear();
+        subject.getRequiredIntents().addAll(intents);
+
+        // TUSCANY-3503 - policy sets now only applied through direct
+        //                or external attachement
+        // resolve policy set names that have been specified for the
+        // policy subject against the real policy sets from the 
+        // definitions files
+        Set<PolicySet> policySets = new HashSet<PolicySet>();
+        if (definitions != null) {
+            for (PolicySet policySet : subject.getPolicySets()) {
+                int index = definitions.getPolicySets().indexOf(policySet);
+                if (index != -1) {
+                    policySets.add(definitions.getPolicySets().get(index));
+                } else {
+                    // PolicySet cannot be resolved
+                    warning(context.getMonitor(), "PolicySetNotFoundAtBuild", subject, policySet);
+                }
+            }
+        }
+        
+        subject.getPolicySets().clear();
+        subject.getPolicySets().addAll(policySets);
+    }
+    
+    protected void removeConstrainedIntents(PolicySubject subject, BuilderContext context) {
+        List<Intent> intents = subject.getRequiredIntents();
+        
+        // Remove the intents whose @contrains do not include the current element
+        ExtensionType extensionType = subject.getExtensionType();
+        if(extensionType != null){
+            List<Intent> copy = new ArrayList<Intent>(intents);
+            for (Intent i : copy) {
+                if (i.getConstrainedTypes().size() > 0){
+                    boolean constraintFound = false;
+                    for (ExtensionType constrainedType : i.getConstrainedTypes()){
+                        if (constrainedType.getType().equals(extensionType.getType()) ||
+                            constrainedType.getType().equals(extensionType.getBaseType())){
+                            constraintFound = true;
+                            break;
+                        }
+                    }
+                    if(!constraintFound){
+                        intents.remove(i);
+                    }
+                }
+            }
+        }
+    }
+    
+    protected void checkIntentsResolved(PolicySubject subject, BuilderContext context) {
+        // find the policy sets that satisfy the intents that are now
+        // attached to the policy subject. From the OASIS policy
+        // spec CD02 rev7:
+        //  1272 A policySet provides an intent if any of the statements are true:
+        //  1273 1. The intent is contained in the policySet @provides list.
+        //  1274 2. The intent is a qualified intent and the unqualified form of the intent is contained in the policySet
+        //  1275 @provides list.
+        //  1276 3. The policySet @provides list contains a qualified form of the intent (where the intent is qualifiable).
+        for (Intent intent : subject.getRequiredIntents()) {
+            boolean intentMatched = false;
+            
+            loop: for (PolicySet ps : subject.getPolicySets()) {
+                // FIXME: We will have to check the policy references and intentMap too
+                // as well as the appliesTo
+                if (ps.getProvidedIntents().contains(intent)) {
+                    intentMatched = true;
+                    break;
+                }
+                
+                for (Intent psProvidedIntent : ps.getProvidedIntents()){
+                    if (isQualifiedBy(psProvidedIntent, intent)){
+                        intentMatched = true;
+                        break loop;
+                    }
+                }
+                
+                for (IntentMap map : ps.getIntentMaps()) {
+                    for (Qualifier q : map.getQualifiers()) {
+                        if (intent.equals(q.getIntent())) {
+                            intentMatched = true;
+                            break loop;
+                        }
+                    }
+                }
+            }
+            
+            if (!intentMatched){              
+            	
+            	// Reference side intents can still be resolved by the service binding, so we can only issue a 
+            	// warning here. 
+            	if ( subject instanceof EndpointReference ) {
+            		 warning(context.getMonitor(), "IntentNotSatisfiedAtBuild", subject, intent.getName(), subject.toString());
+            	} else {
+            		// Need to check the ExtensionType to see if the intent is provided there. If not, throw an error
+            		ExtensionType type = subject.getExtensionType();
+
+            		
+            		if ( type == null ) {
+            			error(context.getMonitor(), "IntentNotSatisfiedAtBuild", subject, intent.getName(), subject.toString());
+            		} else {
+            			// The ExtensionType on the subject only has the binding name. The one in the system
+            			// definitions will have the mayProvide/alwaysProvides values
+            			for ( ExtensionType et : context.getDefinitions().getBindingTypes() ) {
+            				if ( type.getType().equals(et.getType()) ) {
+            					type = et;
+            				}
+            			}
+            		
+            			if ( !type.getAlwaysProvidedIntents().contains(intent) && !type.getMayProvidedIntents().contains(intent)) {            			            	
+            				error(context.getMonitor(), "IntentNotSatisfiedAtBuild", subject, intent.getName(), subject.toString());
+            			}
+            		}
+            	}
+            }
+        }
+    }
+
+    protected Set<QName> getPolicyNames(PolicySubject subject) {
+        if (subject == null) {
+            return Collections.emptySet();
+        }
+        Set<QName> names = new HashSet<QName>();
+        for (PolicySet ps : subject.getPolicySets()) {
+            for (PolicyExpression exp : ps.getPolicies()) {
+                names.add(exp.getName());
+            }
+        }
+        return names;
+    }
+    
+    protected boolean isQualifiedBy(Intent qualifiableIntent, Intent qualifiedIntent){
+        if (qualifiedIntent.getQualifiableIntent() == qualifiableIntent){
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ComponentReferenceBindingBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ComponentReferenceBindingBuilderImpl.java
new file mode 100644
index 0000000000..38ab265c6e
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ComponentReferenceBindingBuilderImpl.java
@@ -0,0 +1,81 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.builder.BindingBuilder;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+
+/**
+ * A composite builder that performs any additional building steps that
+ * component reference bindings may need.  Used for WSDL generation.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ComponentReferenceBindingBuilderImpl implements CompositeBuilder {
+
+    private BuilderExtensionPoint builders;
+
+    public ComponentReferenceBindingBuilderImpl(ExtensionPointRegistry registry) {
+        this.builders = registry.getExtensionPoint(BuilderExtensionPoint.class);
+    }
+
+    public Composite build(Composite composite, BuilderContext context)
+        throws CompositeBuilderException {
+        buildReferenceBindings(composite, context);
+        return composite;
+    }
+
+    public String getID() {
+        return "org.apache.tuscany.sca.assembly.builder.ComponentReferenceBindingBuilder";
+    }
+
+    private void buildReferenceBindings(Composite composite, BuilderContext context) {
+
+        // find all the component reference bindings (starting at top level)     
+        for (Component component : composite.getComponents()) {
+            for (ComponentReference componentReference : component.getReferences()) {
+                for (Binding binding : componentReference.getBindings()) {
+                    BindingBuilder builder = builders.getBindingBuilder(binding.getType());
+                    if (builder != null) {
+                        builder.build(component, componentReference, binding, context, false);
+                    }
+                }
+            }
+        }
+
+        // build bindings recursively
+        for (Component component : composite.getComponents()) {
+            Implementation implementation = component.getImplementation();
+            if (implementation instanceof Composite) {
+                buildReferenceBindings((Composite)implementation, context);
+            }
+        }
+    }
+
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ComponentServiceBindingBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ComponentServiceBindingBuilderImpl.java
new file mode 100644
index 0000000000..2debe41f2d
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ComponentServiceBindingBuilderImpl.java
@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.builder.BindingBuilder;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+
+/**
+ * A composite builder that performs any additional building steps that
+ * component service bindings may need.  Used for WSDL generation.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ComponentServiceBindingBuilderImpl implements CompositeBuilder {
+    private BuilderExtensionPoint builders;
+
+    public ComponentServiceBindingBuilderImpl(ExtensionPointRegistry registry) {
+        this.builders = registry.getExtensionPoint(BuilderExtensionPoint.class);
+    }
+
+    public String getID() {
+        return "org.apache.tuscany.sca.assembly.builder.ComponentServiceBindingBuilder";
+    }
+
+    public Composite build(Composite composite, BuilderContext context)
+        throws CompositeBuilderException {
+        buildServiceBindings(composite, context);
+        return composite;
+    }
+
+    private void buildServiceBindings(Composite composite, BuilderContext context) {
+
+        // build bindings recursively
+        for (Component component : composite.getComponents()) {
+            Implementation implementation = component.getImplementation();
+            if (implementation instanceof Composite) {
+                buildServiceBindings((Composite)implementation, context);
+            }
+        }
+
+        // find all the component service bindings     
+        for (Component component : composite.getComponents()) {
+            for (ComponentService componentService : component.getServices()) {
+                for (Binding binding : componentService.getBindings()) {
+                    BindingBuilder builder = builders.getBindingBuilder(binding.getType());
+                    if (builder != null) {
+                        builder.build(component, componentService, binding, context, false);
+                    }
+                }
+            }
+        }
+    }
+
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositeCloneBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositeCloneBuilderImpl.java
new file mode 100644
index 0000000000..148a3b5368
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositeCloneBuilderImpl.java
@@ -0,0 +1,100 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+
+/**
+ * A composite builder that clones nested composites.
+ *
+ * @version $Rev$ $Date$
+ */
+public class CompositeCloneBuilderImpl implements CompositeBuilder {
+
+    public CompositeCloneBuilderImpl() {
+    }
+
+    public Composite build(Composite composite, BuilderContext context)
+        throws CompositeBuilderException {
+
+        if (Composite.DOMAIN_COMPOSITE.equals(composite.getName())) {
+            // Try to avoid clone for top-level composites that are added to the domain composite
+            for (Composite included : composite.getIncludes()) {
+                cloneIncludes(included);
+                cloneCompositeImplementations(included);
+            }
+        } else {
+            // Clone the includes 
+            cloneIncludes(composite);
+            cloneCompositeImplementations(composite);
+        }
+
+        return composite;
+    }
+
+    private void cloneIncludes(Composite composite) {
+        List<Composite> includes = new ArrayList<Composite>();
+        for (Composite included : composite.getIncludes()) {
+            try {
+                includes.add((Composite)included.clone());
+            } catch (CloneNotSupportedException e) {
+                throw new UnsupportedOperationException(e);
+            }
+        }
+        composite.getIncludes().clear();
+        composite.getIncludes().addAll(includes);
+    }
+
+    public String getID() {
+        return "org.apache.tuscany.sca.assembly.builder.CompositeCloneBuilder";
+    }
+
+    /**
+     * Clone composite component implementations
+     * 
+     * @param composite
+     * @param problems
+     */
+    private void cloneCompositeImplementations(Composite composite) {
+        for (Component component : composite.getComponents()) {
+            Implementation implementation = component.getImplementation();
+            if (implementation instanceof Composite) {
+
+                Composite compositeImplementation = (Composite)implementation;
+                try {
+                    // Please note the clone method is recursive
+                    Composite clone = (Composite)compositeImplementation.clone();
+                    component.setImplementation(clone);
+                } catch (CloneNotSupportedException e) {
+                    throw new UnsupportedOperationException(e);
+                }
+            }
+        }
+    }
+
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositeComponentTypeBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositeComponentTypeBuilderImpl.java
new file mode 100644
index 0000000000..1deec1b5e2
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositeComponentTypeBuilderImpl.java
@@ -0,0 +1,696 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.builder.impl;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.logging.Logger;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.CompositeReference;
+import org.apache.tuscany.sca.assembly.CompositeService;
+import org.apache.tuscany.sca.assembly.Contract;
+import org.apache.tuscany.sca.assembly.Multiplicity;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.SCABinding;
+import org.apache.tuscany.sca.assembly.SCABindingFactory;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint;
+import org.apache.tuscany.sca.assembly.builder.ContractBuilder;
+import org.apache.tuscany.sca.assembly.builder.Messages;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.definitions.Definitions;
+import org.apache.tuscany.sca.interfacedef.Compatibility;
+import org.apache.tuscany.sca.interfacedef.IncompatibleInterfaceContractException;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.policy.ExtensionType;
+import org.apache.tuscany.sca.policy.PolicySubject;
+
+/**
+ * @version $Rev$ $Date$
+ */
+
+// TODO - really implementation.composite component type builder - CompositeComponentTypeBuilder?
+
+public class CompositeComponentTypeBuilderImpl {
+    private static final Logger logger = Logger.getLogger(CompositeComponentTypeBuilderImpl.class.getName());
+
+    protected static final String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200912";
+    protected static final String BINDING_SCA = "binding.sca";
+    protected static final QName BINDING_SCA_QNAME = new QName(SCA11_NS, BINDING_SCA);
+
+    private ComponentBuilderImpl componentBuilder;
+    private AssemblyFactory assemblyFactory;
+    private SCABindingFactory scaBindingFactory;
+    private InterfaceContractMapper interfaceContractMapper;
+    private BuilderExtensionPoint builders;
+    private ContractBuilder contractBuilder;
+
+    public CompositeComponentTypeBuilderImpl(ExtensionPointRegistry registry) {
+        UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
+
+        FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class);
+        assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
+        scaBindingFactory = modelFactories.getFactory(SCABindingFactory.class);
+
+        interfaceContractMapper = utilities.getUtility(InterfaceContractMapper.class);
+        builders = registry.getExtensionPoint(BuilderExtensionPoint.class);
+        contractBuilder = builders.getContractBuilder();
+    }
+
+    public void setComponentBuilder(ComponentBuilderImpl componentBuilder) {
+        this.componentBuilder = componentBuilder;
+    }
+
+    /**
+     * Calculate the component type for the provided implementation
+     * 
+     * @param implementation
+     * @return component type
+     */
+    public void createComponentType(Component outerComponent, Composite composite, BuilderContext context) {
+
+        Monitor monitor = context.getMonitor();
+        monitor.pushContext("Composite: " + composite.getName().toString());
+        
+        try {
+            // first make sure that each child component has been properly configured based
+            // on its own component type
+            for (Component component : composite.getComponents()) {
+    
+                // Check for duplicate component names
+                if (component != composite.getComponent(component.getName())) {
+                    Monitor.error(monitor, 
+                                  this, 
+                                  Messages.ASSEMBLY_VALIDATION, 
+                                  "DuplicateComponentName", 
+                                  composite.getName().toString(), 
+                                  component.getName());
+                }
+    
+                // do any work we need to do before we configure the component
+                // Anything that needs to be pushed down the promotion
+                // hierarchy must be done before we configure the component
+    
+                // Push down the autowire flag from the composite to components
+                if (component.getAutowire() == null) {
+                    component.setAutowire(composite.getAutowire());
+                }
+    
+                // configure the component from its component type
+                componentBuilder.configureComponentFromComponentType(outerComponent, composite, component, context);
+            }
+    
+            // create the composite component type based on the promoted artifacts
+            // from the components that it contains
+    
+            // index all the components, services and references in the
+            // component type so that they are easy to find
+            Map<String, Component> components = new HashMap<String, Component>();
+            Map<String, ComponentService> componentServices = new HashMap<String, ComponentService>();
+            Map<String, ComponentReference> componentReferences = new HashMap<String, ComponentReference>();
+            indexComponentsServicesAndReferences(composite, components, componentServices, componentReferences);
+    
+            // services
+            calculateServices(composite, components, componentServices, context);
+    
+            // references
+            calculateReferences(composite, components, componentReferences, context);
+    
+            // properties
+            // Properties on the composite component are unaffected by properties 
+            // on child components. Instead child component properties might take their
+            // values from composite properties. Hence there is nothing to do here.
+            //calculateProperties(composite, components);
+        
+        } finally {
+            monitor.popContext();
+        } 
+    }
+
+    /**
+     * Index components, services and references inside a composite.
+     * 
+     * @param composite
+     * @param components
+     * @param componentServices
+     * @param componentReferences
+     */
+    private void indexComponentsServicesAndReferences(Composite composite,
+                                                      Map<String, Component> components,
+                                                      Map<String, ComponentService> componentServices,
+                                                      Map<String, ComponentReference> componentReferences) {
+
+        for (Component component : composite.getComponents()) {
+
+            // Index components by name
+            components.put(component.getName(), component);
+
+            ComponentService nonCallbackService = null;
+            int nonCallbackServices = 0;
+            for (ComponentService componentService : component.getServices()) {
+
+                // Index component services by component name / service name
+                String uri = component.getName() + '/' + componentService.getName();
+                componentServices.put(uri, componentService);
+
+                // count how many non-callback services there are
+                // if there is only one the component name also acts as the service name
+                if (!componentService.isForCallback()) {
+
+                    // Check how many non callback non-promoted services we have
+                    if (nonCallbackServices == 0) {
+                        nonCallbackService = componentService;
+                    }
+                    nonCallbackServices++;
+                }
+            }
+
+            if (nonCallbackServices == 1) {
+                // If we have a single non callback service, index it by
+                // component name as well
+                componentServices.put(component.getName(), nonCallbackService);
+            }
+
+            // Index references by component name / reference name
+            for (ComponentReference componentReference : component.getReferences()) {
+                String uri = component.getName() + '/' + componentReference.getName();
+                componentReferences.put(uri, componentReference);
+            }
+        }
+    }
+
+    /**
+     * Connect the services in the component type to the component services that
+     * they promote
+     * 
+     * @param componentType
+     * @param component
+     */
+    private void calculateServices(ComponentType componentType,
+                                   Map<String, Component> components,
+                                   Map<String, ComponentService> componentServices,
+                                   BuilderContext context) {
+        
+        Monitor monitor = context.getMonitor();
+
+        // Connect this component type's services to the 
+        // services from child components which it promotes
+        connectPromotedServices(componentType, components, componentServices, monitor);
+
+        // look at each component type service in turn and 
+        // calculate its configuration based on OASIS rules
+        for (Service service : componentType.getServices()) {
+            CompositeService compositeService = (CompositeService)service;
+            ComponentService promotedComponentService = compositeService.getPromotedService();
+
+            // promote interface contracts
+            calculatePromotedServiceInterfaceContract(compositeService, promotedComponentService, monitor);
+
+            // promote bindings
+            calculatePromotedBindings(compositeService, promotedComponentService);
+
+            componentBuilder.policyBuilder.configure(compositeService, context);
+        }
+    }
+
+    /**
+     * Connect the references in the component type to the component references that
+     * they promote
+     * 
+     * @param componentType
+     * @param component
+     */
+    private void calculateReferences(ComponentType componentType,
+                                     Map<String, Component> components,
+                                     Map<String, ComponentReference> componentReferences, 
+                                     BuilderContext context) {
+        Monitor monitor = context.getMonitor();
+        // Connect this component type's references to the 
+        // references from child components which it promotes
+        connectPromotedReferences(componentType, components, componentReferences, monitor);
+
+        // look at each component type reference in turn and 
+        // calculate its configuration based on OASIS rules
+        for (Reference reference : componentType.getReferences()) {
+            CompositeReference compositeReference = (CompositeReference)reference;
+            List<ComponentReference> promotedReferences = compositeReference.getPromotedReferences();
+
+            for (ComponentReference promotedComponentReference : promotedReferences) {
+                
+                // promote multiplicity
+                reconcileReferenceMultiplicity(componentType, compositeReference, promotedComponentReference, monitor);
+                
+                // check nonOverridable
+                validateNonOverridable(componentType, compositeReference, promotedComponentReference, monitor);
+
+                // promote interface contracts
+                calculatePromotedReferenceInterfaceContract(compositeReference, promotedComponentReference, monitor);
+
+                // promote bindings
+                // Don't need to promote reference bindings as any lower level binding will
+                // already be targeting the correct service without need for promotion
+                //calculatePromotedBindings(compositeReference, promotedComponentReference);
+            }
+            
+            componentBuilder.policyBuilder.configure(compositeReference, context);
+        }
+    }
+
+    /**
+     * Connect the services in the component type to the component services that
+     * they promote
+     * 
+     * @param componentType
+     * @param component
+     */
+    private void connectPromotedServices(ComponentType componentType,
+                                         Map<String, Component> components,
+                                         Map<String, ComponentService> componentServices,
+                                         Monitor monitor) {
+
+        for (Service service : componentType.getServices()) {
+            // Connect composite (component type) services to the component services 
+            // that they promote 
+            CompositeService compositeService = (CompositeService)service;
+            ComponentService componentService = compositeService.getPromotedService();
+            if (componentService != null && componentService.isUnresolved()) {
+                // get the name of the promoted component/service
+                String promotedComponentName = compositeService.getPromotedComponent().getName();
+                String promotedServiceName;
+                if (componentService.getName() != null) {
+                    if (compositeService.isForCallback()) {
+                        // For callbacks the name already has the form "componentName/servicename"
+                        promotedServiceName = componentService.getName();
+                    } else {
+                        promotedServiceName = promotedComponentName + '/' + componentService.getName();
+                    }
+                } else {
+                    promotedServiceName = promotedComponentName;
+                }
+
+                // find the promoted service
+                ComponentService promotedService = componentServices.get(promotedServiceName);
+
+                if (promotedService != null) {
+
+                    // Point to the resolved component
+                    Component promotedComponent = components.get(promotedComponentName);
+                    compositeService.setPromotedComponent(promotedComponent);
+
+                    // Point to the resolved component service
+                    compositeService.setPromotedService(promotedService);
+                } else {
+                    Monitor.error(monitor,
+                                  this,
+                                  Messages.ASSEMBLY_VALIDATION,
+                                  "PromotedServiceNotFound",
+                                  ((Composite)componentType).getName().toString(),
+                                  promotedServiceName);
+                }
+            }
+        }
+    }
+
+    /**
+     * Connect the references in the component type to the component references that
+     * they promote
+     * 
+     * @param componentType
+     * @param component
+     */
+    private void connectPromotedReferences(ComponentType componentType,
+                                           Map<String, Component> components,
+                                           Map<String, ComponentReference> componentReferences,
+                                           Monitor monitor) {
+
+        // Connect composite (component type) references to the component references that they promote
+        for (Reference reference : componentType.getReferences()) {
+            CompositeReference compositeReference = (CompositeReference)reference;
+            List<ComponentReference> promotedReferences = compositeReference.getPromotedReferences();
+            for (int i = 0, n = promotedReferences.size(); i < n; i++) {
+                ComponentReference componentReference = promotedReferences.get(i);
+                if (componentReference.isUnresolved()) {
+                    String componentReferenceName = componentReference.getName();
+                    componentReference = componentReferences.get(componentReferenceName);
+                    if (componentReference != null) {
+                        // Set the promoted component
+                        Component promotedComponent = compositeReference.getPromotedComponents().get(i);
+                        promotedComponent = components.get(promotedComponent.getName());
+                        compositeReference.getPromotedComponents().set(i, promotedComponent);
+
+                        componentReference.setPromoted(true);
+
+                        // Point to the resolved component reference
+                        promotedReferences.set(i, componentReference);
+                    } else {
+                        Monitor.error(monitor,
+                                      this,
+                                      Messages.ASSEMBLY_VALIDATION,
+                                      "PromotedReferenceNotFound",
+                                      ((Composite)componentType).getName().toString(),
+                                      componentReferenceName);
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * Create a default SCA binding in the case that no binding
+     * is specified by the user
+     * 
+     * @param contract
+     * @param definitions
+     */
+    protected void createSCABinding(Contract contract, Definitions definitions) {
+
+        SCABinding scaBinding = scaBindingFactory.createSCABinding();
+        scaBinding.setName(contract.getName());
+
+        if (definitions != null) {
+            for (ExtensionType attachPointType : definitions.getBindingTypes()) {
+                if (attachPointType.getType().equals(BINDING_SCA_QNAME)) {
+                    ((PolicySubject)scaBinding).setExtensionType(attachPointType);
+                }
+            }
+        }
+
+        contract.getBindings().add(scaBinding);
+        contract.setOverridingBindings(false);
+    }
+
+    /**
+     * The following methods implement rules that the OASIS specification defined explicitly
+     * to control how configuration from a component type is inherited by a component
+     */
+
+    /**
+     * Interface contract from higher in the implementation hierarchy takes precedence. 
+     * When it comes to checking compatibility the top level service interface is a 
+     * subset of the promoted service interface so treat the top level interface as
+     * the source
+     * 
+     * @param topContract the top contract 
+     * @param bottomContract the bottom contract
+     */
+    private void calculatePromotedServiceInterfaceContract(Service topContract, Service bottomContract, Monitor monitor) {
+        // Use the interface contract from the bottom level contract if
+        // none is specified on the top level contract
+        InterfaceContract topInterfaceContract = topContract.getInterfaceContract();
+        InterfaceContract bottomInterfaceContract = bottomContract.getInterfaceContract();
+
+        if (topInterfaceContract == null) {
+            topContract.setInterfaceContract(bottomInterfaceContract);
+        } else if (bottomInterfaceContract != null) {
+            // Check that the top and bottom interface contracts are compatible
+            boolean isCompatible = true;
+            String incompatibilityReason = "";
+            try{
+                isCompatible = checkSubsetCompatibility(topInterfaceContract, bottomInterfaceContract);
+            } catch (IncompatibleInterfaceContractException ex){
+                isCompatible = false;
+                incompatibilityReason = ex.getMessage();
+            }
+            if (!isCompatible) {
+                Monitor.error(monitor,
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "ServiceInterfaceNotSubSet",
+                              topContract.getName(),
+                              incompatibilityReason);
+            }
+            
+            // TODO - there is an issue with the following code if the 
+            //        contracts of of different types. Need to use the 
+            //        normalized form
+            
+            // fix up the forward interface based on the promoted component
+            // Someone might have manually specified a callback interface but
+            // left out the forward interface
+            if (topInterfaceContract.getInterface() == null){
+                topInterfaceContract.setInterface(bottomInterfaceContract.getInterface());
+            }              
+            
+            // fix up the callback interface based on the promoted component
+            // Someone might have manually specified a forward interface but
+            // left out the callback interface
+            if (topInterfaceContract.getCallbackInterface() == null){
+                topInterfaceContract.setCallbackInterface(bottomInterfaceContract.getCallbackInterface());
+            }
+        }
+    }
+    
+    /**
+     * Interface contract from higher in the implementation hierarchy takes precedence. 
+     * When it comes to checking compatibility the top level reference interface is a 
+     * superset of the promoted reference interface so treat the promoted
+     * (bottom) interface as the source
+     * 
+     * @param topContract the top contract 
+     * @param bottomContract the bottom contract
+     */    
+    private void calculatePromotedReferenceInterfaceContract(Reference topContract, Reference bottomContract, Monitor monitor) {
+        // Use the interface contract from the bottom level contract if
+        // none is specified on the top level contract
+        InterfaceContract topInterfaceContract = topContract.getInterfaceContract();
+        InterfaceContract bottomInterfaceContract = bottomContract.getInterfaceContract();
+
+        if (topInterfaceContract == null) {
+            topContract.setInterfaceContract(bottomInterfaceContract);
+        } else if (bottomInterfaceContract != null) {
+            // Check that the top and bottom interface contracts are compatible
+            boolean isCompatible = true;
+            String incompatibilityReason = "";
+            try{
+                isCompatible = checkSubsetCompatibility(bottomInterfaceContract, topInterfaceContract);
+            } catch (IncompatibleInterfaceContractException ex){
+                isCompatible = false;
+                incompatibilityReason = ex.getMessage();
+            }
+            if (!isCompatible) {
+                Monitor.error(monitor,
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "ReferenceInterfaceNotSubSet",
+                              topContract.getName(),
+                              incompatibilityReason);
+            }
+            
+            // TODO - there is an issue with the following code if the 
+            //        contracts of of different types. Need to use the 
+            //        normalized form
+            
+            // fix up the forward interface based on the promoted component
+            // Someone might have manually specified a callback interface but
+            // left out the forward interface
+            if (topInterfaceContract.getInterface() == null){
+                topInterfaceContract.setInterface(bottomInterfaceContract.getInterface());
+            }              
+            
+            // fix up the callback interface based on the promoted component
+            // Someone might have manually specified a forward interface but
+            // left out the callback interface
+            if (topInterfaceContract.getCallbackInterface() == null){
+                topInterfaceContract.setCallbackInterface(bottomInterfaceContract.getCallbackInterface());
+            }            
+        }
+    }    
+
+    /**
+     * Bindings from higher in the implementation hierarchy take precedence
+     * 
+     * @param compositeService
+     * @param promotedComponentService
+     */
+    private void calculatePromotedBindings(CompositeService compositeService, ComponentService promotedComponentService) {
+        // forward bindings
+        if (compositeService.getBindings().isEmpty()) {
+            for (Binding binding : promotedComponentService.getBindings()) {
+                try {
+                    compositeService.getBindings().add((Binding)binding.clone());
+                } catch (CloneNotSupportedException ex) {
+                    // this binding can't be used in the promoted service
+                }
+            }
+        }
+
+        if (compositeService.getBindings().isEmpty()) {
+            createSCABinding(compositeService, null);
+        }
+
+        // callback bindings
+        if (promotedComponentService.getCallback() != null) {
+            if (compositeService.getCallback() != null) {
+                compositeService.getCallback().getBindings().clear();
+            } else {
+                compositeService.setCallback(assemblyFactory.createCallback());
+            }
+
+            for (Binding binding : promotedComponentService.getCallback().getBindings()) {
+                try {
+                    compositeService.getCallback().getBindings().add((Binding)binding.clone());
+                } catch (CloneNotSupportedException ex) {
+                    // this binding can't be used in the promoted service
+                }
+            }
+        }
+    }
+    
+    private void reconcileReferenceMultiplicity(ComponentType componentType,
+                                                Reference compositeReference, 
+                                                Reference promotedComponentReference,
+                                                Monitor monitor) {
+        if (compositeReference.getMultiplicity() != null) {
+            if (!isValidMultiplicityOverride(promotedComponentReference.getTargets().size() > 0,
+                                             promotedComponentReference.getMultiplicity(), 
+                                             compositeReference.getMultiplicity())) {
+                Monitor.error(monitor, 
+                              this, 
+                              Messages.ASSEMBLY_VALIDATION,
+                              "CompositeReferenceIncompatibleMultiplicity", 
+                              componentType.getURI(), 
+                              compositeReference.getName(),
+                              promotedComponentReference.getName());
+            }
+        } else {
+            compositeReference.setMultiplicity(promotedComponentReference.getMultiplicity());
+        }
+    }    
+    
+    private boolean isValidMultiplicityOverride(boolean componentRefHasTarget,
+                                                Multiplicity componentRefMul, 
+                                                Multiplicity compositeRefMul) {
+        if ((componentRefMul != null) && 
+            (compositeRefMul != null) &&
+             componentRefMul != compositeRefMul) {
+            if (componentRefHasTarget){
+                switch (componentRefMul) {
+                    case ZERO_ONE:
+                        return compositeRefMul == Multiplicity.ZERO_ONE || 
+                               compositeRefMul == Multiplicity.ONE_ONE;
+                    case ONE_ONE:
+                        return compositeRefMul == Multiplicity.ZERO_ONE || 
+                               compositeRefMul == Multiplicity.ONE_ONE;                      
+                    case ZERO_N:
+                        return true;
+                    case ONE_N:
+                        return true;
+                    default:
+                        return false;
+                }
+            } else {
+                switch (componentRefMul) {
+                    case ZERO_ONE:
+                        return compositeRefMul == Multiplicity.ONE_ONE;
+                    case ONE_ONE:
+                        return compositeRefMul == Multiplicity.ONE_ONE;                      
+                    case ZERO_N:
+                        return true;
+                    case ONE_N:
+                        return compositeRefMul == Multiplicity.ONE_ONE || 
+                               compositeRefMul == Multiplicity.ONE_N;
+
+                    default:
+                        return false;
+                }
+            }
+        } else {
+            return true;
+        }
+    }  
+    
+    /**
+     * ASM50042 - Checks that if a component reference with multiplicity="1..1" is marked
+     * as nonOveridable then there are no composite references that promote it
+     * 
+     * @param componentType
+     * @param compositeReference
+     * @param promotedComponentReference
+     * @param monitor
+     */
+    private void validateNonOverridable(ComponentType componentType,
+                                        Reference compositeReference, 
+                                        Reference promotedComponentReference,
+                                        Monitor monitor){
+        if ((promotedComponentReference.getMultiplicity() == Multiplicity.ONE_ONE) &&
+            (((ComponentReference)promotedComponentReference)).isNonOverridable() == true) {
+            Monitor.error(monitor, 
+                    this, 
+                    Messages.ASSEMBLY_VALIDATION,
+                    "CompositeReferencePromotesNonOverridableReference", 
+                    componentType.getURI(), 
+                    compositeReference.getName(),
+                    promotedComponentReference.getName());
+        }
+    }
+    
+    /**
+     * A local wrapper for the interace contract mapper as we need to normalize the 
+     * interface contracts if appropriate and the mapper doesn't have the right
+     * dependencies to be able to do it. 
+     * 
+     * Sometimes the two interfaces can be presented using different IDLs, for example
+     * Java and WSDL. In this case interfaces are converted so that they are both WSDL1.1 interfaces
+     * and they are then compared. The generated WSDL is cached on the interface object for 
+     * any subsequent matching
+     * 
+     * @param contractA
+     * @param contractB
+     * @return true if the interface contracts match
+     */
+    private boolean checkSubsetCompatibility(InterfaceContract contractA, InterfaceContract contractB)
+        throws IncompatibleInterfaceContractException {
+        
+        if (contractA.getClass() != contractB.getClass()) {
+           
+            if (contractA instanceof JavaInterfaceContract){
+                contractBuilder.build(contractA, null);
+                contractA = ((JavaInterfaceContract)contractA).getNormalizedWSDLContract();
+            } 
+            
+            if (contractB instanceof JavaInterfaceContract){
+                contractBuilder.build(contractB, null);
+                contractB = ((JavaInterfaceContract)contractB).getNormalizedWSDLContract();
+            }            
+        }   
+        
+        return interfaceContractMapper.checkCompatibility(contractA, 
+                                                          contractB, 
+                                                          Compatibility.SUBSET, 
+                                                          false, 
+                                                          false);
+    }    
+    
+} //end class
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositeIncludeBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositeIncludeBuilderImpl.java
new file mode 100644
index 0000000000..63864e5832
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositeIncludeBuilderImpl.java
@@ -0,0 +1,126 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.assembly.builder.Messages;
+import org.apache.tuscany.sca.monitor.Monitor;
+
+/**
+ * Implementation of a CompositeBuilder.
+ *
+ * @version $Rev$ $Date$
+ */
+public class CompositeIncludeBuilderImpl implements CompositeBuilder {
+
+    public CompositeIncludeBuilderImpl() {
+    }
+
+    public String getID() {
+        return "org.apache.tuscany.sca.assembly.builder.CompositeIncludeBuilder";
+    }
+
+    public Composite build(Composite composite, BuilderContext context)
+        throws CompositeBuilderException {
+        return processIncludes(composite, context.getMonitor());
+    }
+
+    /**
+     * Merge the elements from the included composites into the including composite
+     * @param composite
+     * @param monitor
+     * @return
+     */
+    private Composite processIncludes(Composite composite, Monitor monitor) {
+        monitor.pushContext("Composite: " + composite.getName().toString());
+
+        try {
+            // process any composites referenced through implementation.composite 
+            for (Component component : composite.getComponents()) {
+
+                // recurse for composite implementations
+                Implementation implementation = component.getImplementation();
+                if (implementation instanceof Composite) {
+                    processIncludes((Composite)implementation, monitor);
+                }
+            }
+
+            // get the components etc. from any included composites
+            for (Composite included : composite.getIncludes()) {
+                if (included.isLocal() && !composite.isLocal()) {
+                    // ASM60041
+                    Monitor.error(monitor, this, Messages.ASSEMBLY_VALIDATION, "IllegalCompositeIncusion", composite
+                        .getName().toString(), included.getName().toString());
+                    return null;
+                }
+
+                // The included has been cloned during composite.clone()
+                Composite merged = processIncludes(included, monitor);
+                if (merged != null) {
+                    for (Component component : merged.getComponents()) {
+                        // apply the autowire flag on this composite to any inline 
+                        // components - Assembly 5.6 point 4
+                        if (component.getAutowire() == null && Boolean.TRUE.equals(merged.getAutowire())) {
+                            component.setAutowire(Boolean.TRUE);
+                        }
+                        // Merge the intents and policySets from the included composite into 
+                        // component/service/reference elements under the composite
+                        component.getRequiredIntents().addAll(merged.getRequiredIntents());
+                        component.getPolicySets().addAll(merged.getPolicySets());
+                    }
+
+                    for (Service service : merged.getServices()) {
+                        service.getRequiredIntents().addAll(merged.getRequiredIntents());
+                        service.getPolicySets().addAll(merged.getPolicySets());
+                    }
+
+                    for (Reference reference : merged.getReferences()) {
+                        reference.getRequiredIntents().addAll(merged.getRequiredIntents());
+                        reference.getPolicySets().addAll(merged.getPolicySets());
+                    }
+                    composite.getComponents().addAll(merged.getComponents());
+                    composite.getServices().addAll(merged.getServices());
+                    composite.getReferences().addAll(merged.getReferences());
+                    composite.getProperties().addAll(merged.getProperties());
+                    composite.getWires().addAll(merged.getWires());
+                    // FIXME: What should we do for the extensions
+                    /*
+                    clone.getExtensions().addAll(fusedComposite.getExtensions());
+                    clone.getAttributeExtensions().addAll(fusedComposite.getAttributeExtensions());
+                    */
+                }
+            }
+
+            composite.getIncludes().clear();
+
+            // return the fused composite we have built up so far
+            return composite;
+        } finally {
+            monitor.popContext();
+        }
+    }
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositePolicyBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositePolicyBuilderImpl.java
new file mode 100644
index 0000000000..d8c5db6524
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositePolicyBuilderImpl.java
@@ -0,0 +1,344 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Base;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.assembly.builder.PolicyBuilder;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.PolicySubject;
+import org.apache.tuscany.sca.policy.util.PolicyHelper;
+
+/**
+ * A composite builder that computes policy sets based on attached intents and policy sets.
+ * Useful if you want to build the model without making any runtime decisions such as
+ * reference/services matching
+ *
+ * @version $Rev$ $Date$
+ */
+public class CompositePolicyBuilderImpl extends ComponentPolicyBuilderImpl implements CompositeBuilder {
+    private final static QName NOLISTENER_INTENT = new QName(Base.SCA11_NS, "noListener");
+    private CompositeBuilder policyAppliesToBuilder = null;
+    
+    public CompositePolicyBuilderImpl(ExtensionPointRegistry registry) {
+        super(registry);
+        
+        policyAppliesToBuilder = new PolicyAppliesToBuilderImpl(registry);
+    }
+
+    public String getID() {
+        return "org.apache.tuscany.sca.assembly.builder.CompositePolicyBuilder";
+    }
+
+    public Composite build(Composite composite, BuilderContext context) throws CompositeBuilderException {
+        computePolicies(composite, context);
+        checkPolicies(composite, context);
+        buildPolicies(composite, context);
+        return composite;
+    }
+
+    protected void computePolicies(Composite composite, BuilderContext context) {
+        Monitor monitor = context.getMonitor();
+        monitor.pushContext("Composite: " + composite.getName().toString());
+
+        try {
+            resolveAndCheck(composite, context);
+
+            // compute policies recursively
+            for (Component component : composite.getComponents()) {
+                monitor.pushContext("Component: " + component.getName());
+
+                //resolve component level
+                resolveAndCheck(component, context);
+                
+                try {
+                    Implementation implementation = component.getImplementation();
+                    
+                    for (ComponentService componentService : component.getServices()) {
+                        monitor.pushContext("Service: " + componentService.getName());
+
+                        try {
+                            resolveAndCheck(componentService, context);
+
+                            if (componentService.getInterfaceContract() != null) {
+                                resolveAndCheck(componentService.getInterfaceContract().getInterface(), context);
+
+                                resolveAndCheck(componentService.getInterfaceContract().getCallbackInterface(), context);
+
+                            }
+
+                            for (Endpoint ep : componentService.getEndpoints()) {
+                                if (componentService.getInterfaceContract() != null) {
+                                    // Inherit from the component.service.interface
+                                    inherit(ep, Intent.Type.interaction, true, componentService.getInterfaceContract().getInterface());
+                                }
+                                
+                                // Inherit from composite/component/service
+                                inherit(ep, Intent.Type.interaction, true, composite, ep.getComponent(), ep.getService());
+                                
+                                // Inherit from binding
+                                inherit(ep, Intent.Type.interaction, true, ep.getBinding());
+
+                                // Replace profile intents with their required intents
+                                // Replace unqualified intents if there is a qualified intent in the list
+                                // Replace qualifiable intents with the default qualied intent
+                                resolveAndNormalize(ep, context);
+                                
+                                // Replace qualifiable intents with their default qualifier
+                                expandDefaultIntents(ep, context);
+                                
+                                // Remove the intents whose @contraints do not include the current element
+                                removeConstrainedIntents(ep, context);
+                                
+                                // Remove any direct policy sets if an external one has been applied
+                                removeDirectPolicySetsIfExternalExists(ep, context);
+                                
+                                // Validate that noListener is not specified on a service endpoint
+                                checkForNoListenerIntent(ep, context);
+                                
+                                // check that all intents are resolved
+                                checkIntentsResolved(ep, context);
+
+                                // check that the resulting endpoint has no mutually exclusive intents
+                                checkMutualExclusion(ep, context);
+                            }
+                        } finally {
+                            monitor.popContext();
+                        }
+                    }
+
+                    for (ComponentReference componentReference : component.getReferences()) {
+                        monitor.pushContext("Reference: " + componentReference.getName().toString());
+
+                        try {
+
+                            if (componentReference.getInterfaceContract() != null) {
+                                resolveAndCheck(componentReference.getInterfaceContract().getInterface(), context);
+
+                                resolveAndCheck(componentReference.getInterfaceContract().getCallbackInterface(),
+                                                context);
+                            }
+
+                            for (EndpointReference epr : componentReference.getEndpointReferences()) {
+
+                                // Inherit from the component.reference.interface
+                                if (componentReference.getInterfaceContract() != null) {
+                                    inherit(epr, Intent.Type.interaction, true, componentReference.getInterfaceContract().getInterface());
+                                }
+
+                                // Inherit from composite/component/reference
+                                inherit(epr, Intent.Type.interaction, true, composite, epr.getComponent(), epr.getReference());
+                                
+                                // Inherit from binding
+                                inherit(epr, Intent.Type.interaction, true, epr.getBinding());
+
+                                // Replace profile intents with their required intents
+                                // Replace unqualified intents if there is a qualified intent in the list
+                                // Replace qualifiable intents with the default qualified intent
+                                resolveAndNormalize(epr, context);
+                                
+                                // Replace qualifiable intents with their default qualifier
+                                expandDefaultIntents(epr, context);
+                                
+                                // Remove the intents whose @contraints do not include the current element
+                                removeConstrainedIntents(epr, context);
+                                
+                                removeDirectPolicySetsIfExternalExists(epr, context);
+                                
+                                // check that all intents are resolved
+                                checkIntentsResolved(epr, context);
+
+                                // check that the resulting endpoint reference has no mutually exclusive intents
+                                checkMutualExclusion(epr, context);
+                            }
+                        } finally {
+                            monitor.popContext();
+                        }
+                    }
+
+                    if (implementation instanceof Composite) {
+                        inherit(implementation, Intent.Type.implementation, true, component, composite);                                             
+                        computePolicies((Composite)implementation, context);
+                        expandDefaultIntents(implementation,context);
+                        checkIntentsResolved(implementation,context);
+                    } else {
+                        resolveAndCheck(implementation, context);
+                        if (implementation != null) {
+                            inherit(implementation, Intent.Type.implementation, true, component, composite);
+                            
+                            // Remove the intents whose @contraints do not include the current element
+                            removeConstrainedIntents(implementation, context);
+                            
+                            removeDirectPolicySetsIfExternalExists(implementation, context);
+                            
+                         // Replace qualifiable intents with their default qualifier
+                            expandDefaultIntents(implementation, context);
+                            
+                            // check that all intents are resolved
+                            checkIntentsResolved(implementation, context);
+                        }
+                    }
+                } finally {
+                    monitor.popContext();
+                }
+            }
+        } finally {
+            monitor.popContext();
+        }
+    }
+    
+    private void checkForNoListenerIntent(Endpoint ep, BuilderContext context) {
+		PolicyHelper helper = new PolicyHelper();
+		if ( helper.getIntent(ep, NOLISTENER_INTENT) != null ) {
+			  error(context.getMonitor(), 
+                      "NoListenerIntentSpecifiedOnService", 
+                      this,
+                      ep.toString());
+		} 				
+		
+	}
+
+	private void removeDirectPolicySetsIfExternalExists(PolicySubject subject,
+			BuilderContext context) {
+    	boolean foundExternalPolicySet = false;
+		for (PolicySet ps : subject.getPolicySets() ) {
+			if ( ps.getAttachTo() != null ) 
+				foundExternalPolicySet = true;
+		}
+		
+		if ( foundExternalPolicySet ) {
+			List<PolicySet> copy = new ArrayList<PolicySet>(subject.getPolicySets());
+			for ( PolicySet ps : copy ) {
+				if ( ps.getAttachTo() == null ) {
+					subject.getPolicySets().remove(ps);
+				}
+			}
+		}
+		
+	} 
+
+	/**
+     * This is mainly about removing policies that don't "applyTo" the element where
+     * they have ended up after all the attachment and inheritance processing
+     * 
+     * @param composite
+     * @param context
+     */
+    protected void checkPolicies(Composite composite, BuilderContext context) throws CompositeBuilderException{
+        policyAppliesToBuilder.build(composite, context);
+    }
+
+    protected void buildPolicies(Composite composite, BuilderContext context) {
+
+        // build policies recursively
+        for (Component component : composite.getComponents()) {
+            Implementation implementation = component.getImplementation();
+            if (implementation instanceof Composite) {
+                buildPolicies((Composite)implementation, context);
+            }
+        }
+
+        for (Component component : composite.getComponents()) {
+
+            for (ComponentService componentService : component.getServices()) {
+                for (Endpoint ep : componentService.getEndpoints()) {
+                    Set<QName> policyNames = getPolicyNames(ep);
+                    
+                    // check that only one policy language is present in the endpoint's policy sets
+                    if (policyNames.size() > 1){
+                        error(context.getMonitor(), 
+                              "MultiplePolicyLanguagesInEP", 
+                              this,
+                              ep.toString(), 
+                              policyNames.toString());
+                    } else {
+                        for (QName policyType : policyNames) {
+                            PolicyBuilder builder = builders.getPolicyBuilder(policyType);
+                            if (builder != null) {
+                                builder.build(ep, context);
+                            }
+                        }
+                    }
+                }
+            }
+
+            for (ComponentReference componentReference : component.getReferences()) {
+                for (EndpointReference epr : componentReference.getEndpointReferences()) {
+                    Set<QName> policyNames = getPolicyNames(epr);
+                    
+                    // check that only one policy language is present in the endpoint references's policy sets
+                    if (policyNames.size() > 1){
+                        error(context.getMonitor(),  
+                              "MultiplePolicyLanguagesInEPR",
+                              this,
+                              epr.toString(), 
+                              policyNames.toString());
+                    } else {                    
+                        for (QName policyType : policyNames) {
+                            PolicyBuilder builder = builders.getPolicyBuilder(policyType);
+                            if (builder != null) {
+                                builder.build(epr, context);
+                            }
+                        }
+                    }
+                }
+            }
+
+            Implementation implementation = component.getImplementation();
+            if (implementation != null) {
+                Set<QName> policyNames = getPolicyNames(implementation);
+                
+                // check that only one policy language is present in the implementations's policy sets
+                if (policyNames.size() > 1){
+                    error(context.getMonitor(), 
+                          "MultiplePolicyLanguagesInImplementation", 
+                          this,
+                          component.toString(), 
+                          policyNames.toString());
+                } else {
+                    for (QName policyType : policyNames) {
+                        PolicyBuilder builder = builders.getPolicyBuilder(policyType);
+                        if (builder != null) {
+                            builder.build(component, implementation, context);
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositeWireApplierImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositeWireApplierImpl.java
new file mode 100644
index 0000000000..3167b8cdb6
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/CompositeWireApplierImpl.java
@@ -0,0 +1,212 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.assembly.Wire;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.assembly.builder.Messages;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.monitor.Monitor;
+
+/**
+ * Apply any <wire/> elements in the composites by creating suitable reference targets
+ *
+ * @version $Rev$ $Date$
+ */
+public class CompositeWireApplierImpl implements CompositeBuilder {
+    
+    private InterfaceContractMapper interfaceContractMapper;
+    
+    
+    public CompositeWireApplierImpl(ExtensionPointRegistry registry) {
+        UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
+        interfaceContractMapper = utilities.getUtility(InterfaceContractMapper.class);
+    }    
+
+    public String getID() {
+        return "org.apache.tuscany.sca.assembly.builder.CompositeWireApplierImpl";
+    }
+
+    public Composite build(Composite composite, BuilderContext context)
+        throws CompositeBuilderException {
+        
+        processComposite(composite, context);
+        
+        return composite;
+    }
+    
+    private void processComposite(Composite composite, BuilderContext context){
+        // Index components, services and references
+        Map<String, Component> components = new HashMap<String, Component>();
+        Map<String, ComponentService> componentServices = new HashMap<String, ComponentService>();
+        Map<String, ComponentReference> componentReferences = new HashMap<String, ComponentReference>();
+        indexComponentsServicesAndReferences(composite, components, componentServices, componentReferences);
+
+        // Connect component references as described in wires
+        connectWires(composite, componentServices, componentReferences, context.getMonitor());
+        
+        for (Component component : composite.getComponents()) {
+            // recurse for composite implementations
+            Implementation implementation = component.getImplementation();
+            if (implementation instanceof Composite) {
+                processComposite((Composite)implementation, context);
+            }    
+        }
+    }
+    
+    protected void indexComponentsServicesAndReferences(Composite composite,
+            Map<String, Component> components,
+            Map<String, ComponentService> componentServices,
+            Map<String, ComponentReference> componentReferences) {
+
+        for (Component component : composite.getComponents()) {
+
+            // Index components by name
+            components.put(component.getName(), component);
+
+            ComponentService nonCallbackService = null;
+            int nonCallbackServices = 0;
+            for (ComponentService componentService : component.getServices()) {
+
+                // Index component services by component name / service name
+                String uri = component.getName() + '/'
+                        + componentService.getName();
+                componentServices.put(uri, componentService);
+
+                // count how many non-callback services there are
+                // if there is only one the component name also acts as the
+                // service name
+                if (!componentService.isForCallback()) {
+                    // Check how many non callback non-promoted services we have
+                    if (nonCallbackServices == 0) {
+                        nonCallbackService = componentService;
+                    }
+                    nonCallbackServices++;
+                }
+            }
+
+            if (nonCallbackServices == 1) {
+                // If we have a single non callback service, index it by
+                // component name as well
+                componentServices.put(component.getName(), nonCallbackService);
+            }
+
+            // Index references by component name / reference name
+            for (ComponentReference componentReference : component
+                    .getReferences()) {
+                String uri = component.getName() + '/'
+                        + componentReference.getName();
+                componentReferences.put(uri, componentReference);
+            }
+        }
+    }    
+
+    /**
+     * Resolve wires and connect the sources to their targets
+     * 
+     * @param composite
+     * @param componentServices
+     * @param componentReferences
+     * @param problems
+     */
+    private void connectWires(Composite composite,
+                              Map<String, ComponentService> componentServices,
+                              Map<String, ComponentReference> componentReferences,
+                              Monitor monitor) {
+
+        // For each wire, resolve the source reference, the target service, and
+        // add it to the list of targets of the reference
+        List<Wire> wires = composite.getWires();
+        for (int i = 0, n = wires.size(); i < n; i++) {
+            Wire wire = wires.get(i);
+
+            ComponentReference resolvedReference;
+            ComponentService resolvedService;
+
+            // Resolve the source reference
+            ComponentReference source = wire.getSource();
+            if (source != null && source.isUnresolved()) {
+                resolvedReference = componentReferences.get(source.getName());
+                if (resolvedReference != null) {
+                    wire.setSource(resolvedReference);
+                } else {
+                    Monitor.warning(monitor, this, Messages.ASSEMBLY_VALIDATION, "WireSourceNotFound", source
+                        .getName());
+                }
+            } else {
+                resolvedReference = wire.getSource();
+            }
+
+            // Resolve the target service
+            ComponentService target = wire.getTarget();
+            if (target != null && target.isUnresolved()) {
+                resolvedService = componentServices.get(target.getName());
+                if (resolvedService != null) {
+                    wire.setTarget(target);
+                } else {
+                    Monitor.warning(monitor, this, Messages.ASSEMBLY_VALIDATION, "WireTargetNotFound", target
+                        .getName());
+                }
+            } else {
+                resolvedService = wire.getTarget();
+            }
+
+            // Add the target service to the list of targets of the
+            // reference
+            if (resolvedReference != null && resolvedService != null) {
+                // Check that the target component service provides
+                // a superset of
+                // the component reference interface
+                if (resolvedReference.getInterfaceContract() == null || interfaceContractMapper
+                    .isCompatibleSubset(resolvedReference.getInterfaceContract(), resolvedService.getInterfaceContract())) {
+
+                    //resolvedReference.getTargets().add(resolvedService);
+                    if (wire.isReplace()) {
+                        resolvedReference.getTargets().clear();
+                    }
+                    resolvedReference.getTargets().add(wire.getTarget());
+                } else {
+                    Monitor.warning(monitor, this, Messages.ASSEMBLY_VALIDATION, "WireIncompatibleInterface", source
+                        .getName(), target.getName());
+                }
+            }
+        }
+
+        // Clear the list of wires
+        composite.getWires().clear();
+    }
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/EndpointBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/EndpointBuilderImpl.java
new file mode 100644
index 0000000000..c1ba47661a
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/EndpointBuilderImpl.java
@@ -0,0 +1,137 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.monitor.Monitor;
+
+/**
+ * creates endpoint models for component services.
+ */
+public class EndpointBuilderImpl implements CompositeBuilder {
+    private static final String BUILDER_VALIDATION_BUNDLE = "org.apache.tuscany.sca.builder.builder-validation-messages";
+    
+    private AssemblyFactory assemblyFactory;
+
+    public EndpointBuilderImpl(ExtensionPointRegistry registry) {
+        FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class);
+        this.assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
+    }
+
+    /**
+     * Create endpoint models for all component services.
+     * 
+     * @param composite - the top-level composite to build the models for
+     * @param definitions
+     * @param monitor - a Monitor for logging errors
+     */
+    public Composite build(Composite composite, BuilderContext context) throws CompositeBuilderException {
+
+        processComponentServices(composite, context);
+        return composite;
+
+    } 
+
+    private void processComponentServices(Composite composite, BuilderContext context) {
+
+        Monitor monitor = context.getMonitor();
+        
+        for (Component component : composite.getComponents()) {
+
+            try {
+                monitor.pushContext("Component: " + component.getName().toString());
+    
+                // recurse for composite implementations
+                Implementation implementation = component.getImplementation();
+                if (implementation instanceof Composite) {
+                    processComponentServices((Composite)implementation, context);
+                }
+    
+                // create an endpoint for each component service binding
+                for (ComponentService service : component.getServices()) {
+                    try {
+                        monitor.pushContext("Service: " + service.getName());
+                        
+                        //verify JAX-WS async assertions as in JavaCAA section 11.1
+                        List<Operation> asyncOperations = null;
+                        try {
+                            asyncOperations = (List<Operation>) service.getInterfaceContract().getInterface().getAttributes().get("JAXWS-ASYNC-OPERATIONS");
+                        }catch(Exception e) {
+                            //ignore
+                        }
+                        
+                        if(asyncOperations != null) {
+                            if( ! asyncOperations.isEmpty()) {
+        
+                                //error JCA100006
+        
+                                //FIXME create a java validation message resource bundle
+                                Monitor.error(monitor, 
+                                              this, 
+                                              BUILDER_VALIDATION_BUNDLE,
+                                              "JaxWSClientAsyncMethodsNotAllowed", 
+                                              service, 
+                                              service.getName());                  
+                            }
+                        }
+        
+                        // We maintain all endpoints at the right level now
+                        // but endpoints for promoting services must point down
+                        // to the services they promote. This is not actually done
+                        // until the wire is created though in order that the 
+                        // uri is calculated correctly
+                        // Callback endpoints may not be added here in the case that the
+                        // forward reference is not yet resolved. 
+                        for (Binding binding : service.getBindings()) {
+                            Endpoint endpoint = assemblyFactory.createEndpoint();
+                            endpoint.setComponent(component);
+                            endpoint.setService(service);
+                            endpoint.setBinding(binding);
+                            endpoint.setUnresolved(false);
+                            service.getEndpoints().add(endpoint);
+                        } // end for
+                    } finally {
+                        monitor.popContext();
+                    }                   
+                }
+            } finally {
+                monitor.popContext();
+            }                  
+        }
+    }
+
+    public String getID() {
+        return "org.apache.tuscany.sca.assembly.builder.EndpointBuilder";
+    }
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/EndpointReferenceBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/EndpointReferenceBuilderImpl.java
new file mode 100644
index 0000000000..7af1451f68
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/EndpointReferenceBuilderImpl.java
@@ -0,0 +1,883 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.CompositeReference;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.Multiplicity;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.SCABinding;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.assembly.builder.Messages;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.policy.Intent;
+import org.oasisopen.sca.ServiceRuntimeException;
+
+/**
+ * Creates endpoint reference models.
+ */
+public class EndpointReferenceBuilderImpl {
+    private final Logger logger = Logger.getLogger(EndpointReferenceBuilderImpl.class.getName());
+
+    private AssemblyFactory assemblyFactory;
+    private InterfaceContractMapper interfaceContractMapper;
+  
+    // causes dependency between builders and core
+    //private EndpointReferenceBinder endpointReferenceBinder;
+    
+    public EndpointReferenceBuilderImpl(ExtensionPointRegistry registry) {
+        UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
+        interfaceContractMapper = utilities.getUtility(InterfaceContractMapper.class);
+
+        FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class);
+        assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
+        
+        // causes dependency between builders and core
+        //endpointReferenceBinder = registry.getExtensionPoint(EndpointReferenceBinder.class);
+    }
+
+    /**
+     * Create endpoint references for all component references.
+     *
+     * @param composite
+     */  
+    public Composite build(Composite composite, BuilderContext context)
+            throws CompositeBuilderException {
+        
+        // create endpoint references for each reference
+        createEndpointReferences(composite, context);  
+               
+        // validate component references
+        // left until this stage, after all endpoints have been created, 
+        // to to catch more complex cases caused by reference promotion
+        validateComponentReferences(composite, context.getMonitor());
+        
+        // TODO - move the following buld time matching code
+        //        to somewhere else because of  
+        //        the dependency between builders and core
+        
+        // create temporary local registry for all available local endpoints
+        //EndpointRegistry registry = new EndpointRegistryImpl();
+        
+        // populate the registry with all the endpoints that are present in the model
+        //populateLocalRegistry(composite, registry, context);        
+        
+        // match all local services against the endpoint references 
+        // we've just created
+        //matchEndpointReferences(composite, registry, context); 
+
+        return composite;
+    }  
+    
+    /**
+     * Iterate down through the composites creating end point references for
+     * all component references
+     * 
+     * @param composite
+     * @param context
+     */
+    private void createEndpointReferences(Composite composite, BuilderContext context){
+        
+        context.getMonitor().pushContext("Composite: " + composite.getName().toString());
+        
+        try {
+            for (Component component : composite.getComponents()) {
+                context.getMonitor().pushContext("Component: " + component.getName());
+
+                try {
+                    // recurse for composite implementations
+                    Implementation implementation = component.getImplementation();
+                    if (implementation instanceof Composite) {
+                        createEndpointReferences((Composite)implementation, context);
+                    }
+                    
+                    for (ComponentReference reference : component.getReferences()) {
+                        // create the endpoint references for this component reference
+                        processComponentReference(composite,
+                                                  component,
+                                                  reference,
+                                                  context);
+                        
+                        // we assume that endpoints have already been created so we can now
+                        // create the links between enpoint references and endpoints that 
+                        // represent callbacks
+                        fixUpCallbackLinks(component,
+                                           reference);
+                        
+                        // push down endpoint references into the leaf component references
+                        // in the case where this component reference promotes a reference from
+                        // a composite implementation
+                        pushDownEndpointReferences(composite,
+                                                   component,
+                                                   reference,
+                                                   context.getMonitor());                
+                                        
+                    }
+                    
+                    // Validate that references are wired or promoted, according
+                    // to their multiplicity. This validates as we go and catches cases
+                    // where a reference has been configured directly incorrectly with its
+                    // immediate multiplicity setting. We re-run this validation again later
+                    // to catch to more complex cases where reference promotion causes 
+                    // multiplicity errors. 
+                    validateReferenceMultiplicity(composite, component, context.getMonitor());
+                    
+                } finally {
+                    context.getMonitor().popContext();
+                }                    
+            } 
+        } finally {
+            context.getMonitor().popContext();
+        }            
+    }
+      
+    /**
+     * Create endpoint references for a component references. Endpoint references can be 
+     * implied by refrence targets, autowire or binding settings 
+     * 
+     * @param composite
+     * @param component
+     * @param reference
+     * @param context
+     */
+    private void processComponentReference(Composite composite,
+                                           Component component,
+                                           ComponentReference reference,
+                                           BuilderContext context){
+        
+        context.getMonitor().pushContext("Reference: " + reference.getName());
+        
+        try {
+            // Get reference targets
+            List<ComponentService> refTargets = getReferenceTargets(reference);
+            
+            // This autowire processing really needs to move to the matching 
+            // algorithm but dependency problems means it has to stay here for now
+            if (Boolean.TRUE.equals(reference.getAutowire()) && reference.getTargets().isEmpty()) {
+                // Find suitable targets in the current composite for an
+                // autowired reference
+                Multiplicity multiplicity = reference.getMultiplicity();
+                for (Component targetComponent : composite.getComponents()) {
+    
+                    // Tuscany specific selection of the first autowire reference
+                    // when there are more than one (ASM_60025)
+                    if ((multiplicity == Multiplicity.ZERO_ONE || 
+                         multiplicity == Multiplicity.ONE_ONE) && 
+                        (reference.getEndpointReferences().size() != 0)) {
+                        break;
+                    }
+    
+                    // Prevent autowire connecting to self
+                    if (targetComponent == component)
+                        continue;
+    
+                    for (ComponentService targetComponentService : targetComponent.getServices()) {
+                        if (reference.getInterfaceContract() == null || 
+                            interfaceContractMapper.isCompatibleSubset(reference.getInterfaceContract(), 
+                                                                 targetComponentService.getInterfaceContract())) {
+                            
+                            if (intentsMatch(reference.getRequiredIntents(), targetComponentService.getRequiredIntents())) {                            
+                                EndpointReference endpointRef = createEndpointRef(component, reference, false);
+                                endpointRef.setTargetEndpoint(createEndpoint(targetComponent, targetComponentService, true));
+                                endpointRef.setStatus(EndpointReference.Status.WIRED_TARGET_NOT_FOUND);
+                                reference.getEndpointReferences().add(endpointRef);
+        
+                                // Stop with the first match for 0..1 and 1..1 references
+                                if (multiplicity == Multiplicity.ZERO_ONE || multiplicity == Multiplicity.ONE_ONE) {
+                                    break;
+                                } // end if
+                            }
+                        } // end if
+                    } // end for
+                } // end for
+    
+                if (multiplicity == Multiplicity.ONE_N || multiplicity == Multiplicity.ONE_ONE) {
+                    if (reference.getEndpointReferences().size() == 0) {
+                        Monitor.error(context.getMonitor(),
+                                      this,
+                                      Messages.ASSEMBLY_VALIDATION,
+                                      "NoComponentReferenceTarget",
+                                      reference.getName());
+                    }
+                }
+    
+                setSingleAutoWireTarget(reference);
+                
+                // as this is the autowire case we ignore any further configuration
+                return;
+            } 
+            
+            // check to see if explicit reference targets have been specified
+            if (!refTargets.isEmpty()) {
+                // Check that the component reference does not mix the use of endpoint references
+                // specified via the target attribute with the presence of binding elements
+                if (bindingsIdentifyTargets(reference)) {
+                    Monitor.error(context.getMonitor(),
+                                  this,
+                                  Messages.ASSEMBLY_VALIDATION,
+                                  "ReferenceEndPointMixWithTarget",
+                                  composite.getName().toString(),
+                                  component.getName(),
+                                  reference.getName());
+                }            
+    
+                // create endpoint references for targets
+                for (ComponentService target : refTargets) {
+                    
+                    EndpointReference endpointRef = createEndpointRef(component, reference, true);
+                    endpointRef.setTargetEndpoint(createEndpoint(component, target.getName()));
+                    endpointRef.setStatus(EndpointReference.Status.WIRED_TARGET_NOT_FOUND);
+                    reference.getEndpointReferences().add(endpointRef);
+                    
+                    // There is a special case where the user has defined policies on a 
+                    // non-targetted, i.e. no URI, binding.sca in order to control the 
+                    // intended QoS of the wire when matching takes place. If any other 
+                    // bindings are specified then the test later on will complain about
+                    // mixing targts with bindings
+                    if (reference.getBindings().size() == 1){
+                        Binding binding = reference.getBindings().get(0);
+                        if ((binding instanceof SCABinding) && (binding.getURI() == null)){
+                            endpointRef.setBinding(binding);
+                        }
+                    }
+                }
+            } 
+    
+            // if no endpoints have been found so far the bindings hold the targets.
+            if (reference.getEndpointReferences().isEmpty()) {
+                for (Binding binding : reference.getBindings()) {
+    
+                    String uri = binding.getURI();
+    
+                    // user hasn't put a uri on the binding so it's not a target name and the assumption is that
+                    // the target is established via configuration of the binding element itself
+                    if (uri == null) {
+                        // Regular forward references are UNWIRED with no endpoint if they have an SCABinding with NO targets
+                        // and NO URI set - but Callbacks with an SCABinding are wired and need an endpoint
+                        if (!reference.isForCallback() && (binding instanceof SCABinding))
+                            continue;
+    
+                        // create endpoint reference for manually configured bindings with a resolved endpoint to
+                        // signify that this reference is pointing at some unwired endpoint
+                        EndpointReference endpointRef = createEndpointRef(component, reference, binding, null, false);
+                        if (binding instanceof SCABinding) {
+                            // Assume that the system needs to resolve this binding later as
+                            // it's the SCA binding
+                            endpointRef.setTargetEndpoint(createEndpoint(true));
+                            endpointRef.setStatus(EndpointReference.Status.NOT_CONFIGURED);
+                        } else {
+                            // The user has configured a binding so assume they know what 
+                            // they are doing and mark in as already resolved. 
+                            endpointRef.setTargetEndpoint(createEndpoint(false));
+                            endpointRef.setStatus(EndpointReference.Status.RESOLVED_BINDING);
+                        }
+                        
+                        reference.getEndpointReferences().add(endpointRef);
+                        continue;
+                    } // end if
+                    
+                    // if it's an absolute URI then assume that it's a resolved binding
+                    try {
+                        URI tmpURI = new URI(uri);
+                        if (tmpURI.isAbsolute()){
+                            // The user has configured a binding with an absolute URI so assume 
+                            // they know what they are doing and mark in as already resolved. 
+                            EndpointReference endpointRef = createEndpointRef(component, reference, binding, null, false);
+                            endpointRef.setTargetEndpoint(createEndpoint(false));
+                            endpointRef.setStatus(EndpointReference.Status.RESOLVED_BINDING);
+                            reference.getEndpointReferences().add(endpointRef);
+                            continue;
+                        }
+                    } catch (Exception ex){
+                        // do nothing and go to the next bit of code
+                        // which assumes that the URI is an SCA usi
+                    }
+    
+                    // The user has put something in the binding uri but we don't know if it's
+                    // a real URI or a target name. We can't tell until we have access to the 
+                    // fully populated registry at run time. The "createComponent()" call here
+                    // will do its best to parse out component/service/binding elements assuming
+                    // that the getSCATargetParts detects that there are three "/" separated
+                    // parts in the uri. 
+                    EndpointReference endpointRef = createEndpointRef(component, reference, binding, null, false);
+                    Endpoint endpoint = null;
+                    try {
+                        getSCATargetParts(uri);
+                        
+                        // the target uri might be an SCA target so create an endpoint
+                        // so that the binder can test it against the fully populated
+                        // registry
+                        endpoint = createEndpoint(component, uri);
+                        endpointRef.setStatus(EndpointReference.Status.WIRED_TARGET_IN_BINDING_URI); 
+                    } catch (Exception ex) {
+                        // the target string definitely isn't an SCA target string
+                        // so we can assume here that the user has configured a
+                        // resolved binding
+                        endpoint = createEndpoint(false);
+                        endpoint.setURI(uri);
+                        endpoint.setBinding(binding);
+                        endpointRef.setStatus(EndpointReference.Status.RESOLVED_BINDING);
+                    }
+                    
+                    endpointRef.setTargetEndpoint(endpoint);   
+                    reference.getEndpointReferences().add(endpointRef);
+                }
+            }
+        } finally {
+            context.getMonitor().popContext();
+        }             
+    }    
+    
+    private boolean intentsMatch(List<Intent> referenceIntents, List<Intent> serviceIntents) {
+        Set<Intent> referenceIntentSet = new HashSet<Intent>(referenceIntents);
+        Set<Intent> serviceIntentSet = new HashSet<Intent>(serviceIntents);
+        return referenceIntentSet.equals(serviceIntentSet);
+    }    
+    
+    /**
+     * The validate stage is separate from the process stage as endpoint references are
+     * pushed down the hierarchy. We don't know the full set of endpoint references until
+     * all processing is complete. Hence we can't validate as we go
+     * 
+     * @param composite
+     * @param monitor
+     */
+    private void validateComponentReferences(Composite composite, Monitor monitor) {
+
+        monitor.pushContext("Composite: " + composite.getName().toString());
+        try {
+            // create endpoint references for each component's references
+            for (Component component : composite.getComponents()) {
+                monitor.pushContext("Component: " + component.getName());
+
+                try {
+
+                    // recurse for composite implementations
+                    Implementation implementation = component.getImplementation();
+                    if (implementation instanceof Composite) {
+                        validateComponentReferences((Composite)implementation, monitor);
+                    }
+                    // Validate that references are wired or promoted, according
+                    // to their multiplicity   
+                    validateReferenceMultiplicity(composite, component, monitor);
+
+                } finally {
+                    monitor.popContext();
+                }
+            }
+        } finally {
+            monitor.popContext();
+        }
+    }        
+
+    /**
+     * Reference targets have to be resolved in the context in which they are 
+     * defined so they can't be pushed down the hierarchy during the static build.
+     * So we wait until we have calculated the endpoint references before pushing them 
+     * down. Muliplicity errors will be caught by the multiplicity validation check that
+     * comes next 
+     * 
+     * @param composite
+     * @param component
+     * @param reference
+     * @param monitor
+     */
+    private void pushDownEndpointReferences(Composite composite,
+                                            Component component,
+                                            ComponentReference componentReference,
+                                            Monitor monitor) {
+        Reference reference = componentReference.getReference();
+        
+        if (reference instanceof CompositeReference) {
+            List<ComponentReference> leafComponentReferences = getPromotedComponentReferences((CompositeReference)reference);
+            
+            // for each leaf component reference copy in the endpoint references for this
+            // higher level (promoting) reference
+            // TODO - the elements are inserted starting at 0 here because the code allows references multiplicity 
+            //        validation constraints to be broken if the reference is autowire. At runtime the 
+            //        first one is chosen if max multiplicity is 1. We have an OSOA test that assumes that
+            //        promoted references overwrite leaf references. This insert gives the same effect in the
+            //        autowire case. We need to think about if there is a more correct answer. 
+            for (ComponentReference leafRef : leafComponentReferences){
+                int insertLocation = 0;
+                for (EndpointReference epr : componentReference.getEndpointReferences()){
+                    // copy the epr
+                    EndpointReference eprCopy = copyHigherReference(epr, leafRef);
+                    leafRef.getEndpointReferences().add(insertLocation, eprCopy);
+                    insertLocation++;
+                }
+            }
+        }
+        
+        // TODO - what to do about callbacks in the reference promotion case
+    }
+    
+    /**
+     * Follow a reference promotion chain down to the innermost (non composite)
+     * component references.
+     * 
+     * @param compositeReference
+     * @return
+     */
+    private List<ComponentReference> getPromotedComponentReferences(CompositeReference compositeReference) {
+        List<ComponentReference> componentReferences = new ArrayList<ComponentReference>();
+        collectPromotedComponentReferences(compositeReference, componentReferences);
+        return componentReferences;
+    }
+
+    /**
+     * Follow a reference promotion chain down to the innermost (non composite)
+     * component references.
+     * 
+     * @param compositeReference
+     * @param componentReferences
+     * @return
+     */
+    private void collectPromotedComponentReferences(CompositeReference compositeReference,
+                                                    List<ComponentReference> componentReferences) {
+        for (ComponentReference componentReference : compositeReference.getPromotedReferences()) {
+            // If the user has entered an incorrect promotion string an error will be reported to 
+            // tell them but the processing will still reach here so only continue processing 
+            // if the promotion chain is well formed
+            if (componentReference != null){
+                Reference reference = componentReference.getReference();
+                if (reference instanceof CompositeReference) {
+    
+                    // Continue to follow the reference promotion chain
+                    collectPromotedComponentReferences((CompositeReference)reference, componentReferences);
+    
+                } else if (reference != null) {
+    
+                    // Found a non-composite reference
+                    componentReferences.add(componentReference);
+                }
+            }
+        }
+    }
+    
+    /**
+     * Copy a higher level EndpointReference down to a lower level reference which it promotes 
+     * @param epRef - the endpoint reference
+     * @param promotedReference - the promoted reference
+     * @return - a copy of the EndpointReference with data merged from the promoted reference
+     */
+    private  EndpointReference copyHigherReference(EndpointReference epRef, ComponentReference promotedReference) {
+        EndpointReference epRefClone = null;
+        try {
+            epRefClone = (EndpointReference)epRef.clone();
+        } catch (Exception e) {
+            throw new ServiceRuntimeException(e);
+        } // end try
+        // Copy across details of the inner reference
+        //ComponentReference ref = epRefClone.getReference();
+        //FIXME
+        epRefClone.setReference(promotedReference);
+        return epRefClone;
+    }   
+
+    /**
+     * For all references in a component check that multiplicity is correct
+     * 
+     * @param composite
+     * @param component
+     * @param monitor
+     */
+    private void validateReferenceMultiplicity(Composite composite, Component component, Monitor monitor) {
+        for (ComponentReference componentReference : component.getReferences()) {
+            if (!validateMultiplicity(componentReference.getMultiplicity(),
+                                      componentReference.getEndpointReferences())) {
+                if (componentReference.getEndpointReferences().isEmpty()) {
+
+                    // No error if the reference is promoted out of the current composite
+                    boolean promoted = false;
+                    for (Reference reference : composite.getReferences()) {
+                        CompositeReference compositeReference = (CompositeReference)reference;
+                        if (compositeReference.getPromotedReferences().contains(componentReference)) {
+                            promoted = true;
+                            break;
+                        }
+                    }
+                    if (!promoted && !componentReference.isForCallback() && !componentReference.isWiredByImpl()) {
+                        Monitor.error(monitor,
+                                      this,
+                                      Messages.ASSEMBLY_VALIDATION,
+                                      "ReferenceWithoutTargets",
+                                      composite.getName().toString(),
+                                      componentReference.getName());
+                    }
+                } else {
+                    // no error if reference is autowire and more targets
+                    // than multiplicity have been found 
+                    if (Boolean.TRUE.equals(componentReference.getAutowire())) {
+                        break;
+                    }
+
+                    Monitor.error(monitor,
+                                  this,
+                                  Messages.ASSEMBLY_VALIDATION,
+                                  "TooManyReferenceTargets",
+                                  componentReference.getName());
+                }
+            }
+        }
+
+    }
+    
+    /**
+     * For a single component reference check that multiplicity is correct
+     * 
+     * @param multiplicity
+     * @param endpointReferences
+     * @return
+     */
+    private boolean validateMultiplicity(Multiplicity multiplicity, List<EndpointReference> endpointReferences) {
+
+        // In some tests multiplicity is not set
+        if (multiplicity == null) {
+            return true;
+        }
+
+        // Count targets
+        int count = endpointReferences.size();
+
+        switch (multiplicity) {
+            case ZERO_N:
+                break;
+            case ZERO_ONE:
+                if (count > 1) {
+                    return false;
+                }
+                break;
+            case ONE_ONE:
+                if (count != 1) {
+                    return false;
+                }
+                break;
+            case ONE_N:
+                if (count < 1) {
+                    return false;
+                }
+                break;
+        }
+        return true;
+    }    
+
+    /**
+     * Evaluates whether the bindings attached to a reference identify one or more target services.
+     * @param reference - the reference
+     * @return true if the bindings identify a target, false otherwise
+     */
+    private boolean bindingsIdentifyTargets(ComponentReference reference) {
+        for (Binding binding : reference.getBindings()) {
+            // <binding.sca without a URI does not identify a target
+            if ((binding instanceof SCABinding) && (binding.getURI() == null))
+                continue;
+            // any other binding implies a target
+            // TODO Processing for other binding types
+            return true;
+        } // end for
+        return false;
+    } // end bindingsIdentifyTargets
+
+    /**
+     * Helper method which obtains a list of targets for a reference
+     * @param reference - Component reference
+     * @return - the list of targets, which will be empty if there are no targets
+     */
+    private List<ComponentService> getReferenceTargets(ComponentReference reference) {
+        List<ComponentService> theTargets = reference.getTargets();
+        if (theTargets.isEmpty()) {
+            // Component reference list of targets is empty, try the implementation reference
+            if (reference.getReference() != null) {
+                theTargets = reference.getReference().getTargets();
+            } // end if
+        } // end if
+        return theTargets;
+    } // end method getReferenceTargets 
+
+    /**
+     * Helper method to create an Endpoint Reference
+     * @param component
+     * @param reference
+     * @param binding
+     * @param endpoint
+     * @param unresolved
+     * @return the endpoint reference
+     */
+    private EndpointReference createEndpointRef(Component component,
+                                                ComponentReference reference,
+                                                Binding binding,
+                                                Endpoint endpoint,
+                                                boolean unresolved) {
+        EndpointReference endpointRef = createEndpointRef(component, reference, unresolved);
+        endpointRef.setBinding(binding);
+        endpointRef.setTargetEndpoint(endpoint);
+        return endpointRef;
+    } // end method
+
+    /**
+     * Helper method to create an Endpoint Reference
+     * @param component
+     * @param reference
+     * @param unresolved
+     * @return the endpoint reference
+     */
+    private EndpointReference createEndpointRef(Component component, ComponentReference reference, boolean unresolved) {
+        EndpointReference endpointRef = assemblyFactory.createEndpointReference();
+        endpointRef.setComponent(component);
+        endpointRef.setReference(reference);
+        endpointRef.setUnresolved(unresolved);
+        return endpointRef;
+    } // end method createEndpointRef   
+
+    /**
+     * Helper method to create an Endpoint
+     * @param unresolved
+     * @return the endpoint
+     */
+    private Endpoint createEndpoint(boolean unresolved) {
+        Endpoint endpoint = assemblyFactory.createEndpoint();
+        endpoint.setUnresolved(unresolved);
+        return endpoint;
+    } // end method createEndpoint
+    
+    
+    /**
+     * Separates a target name into component/service/binding parts. Throws an exceptions
+     * if the number of parts <1 or > 3
+     * @param targetName
+     * @return String[] the recovered target parts
+     */
+    private String[] getSCATargetParts(String targetName){
+        String[] parts = targetName.split("/");
+        if (parts.length < 1 || parts.length > 3) {
+            throw new IllegalArgumentException("Invalid target URI: " + targetName);
+        } 
+        return parts;
+    }
+
+    /**
+     * Helper method to create an Endpoint
+     *
+     * @param component The component that owns the reference
+     * @param targetName It can be one of the following formats
+     * <ul>
+     * <li>componentName
+     * <li>componentName/serviceName
+     * <li>componentName/serviceName/bindingName
+     * </ul>
+     * @return the endpoint
+     */
+    private Endpoint createEndpoint(Component component, String targetName) {
+        String[] parts = getSCATargetParts(targetName);
+
+        // Find the parent uri
+        String uri = component.getURI();
+        int index = uri.lastIndexOf('/');
+        if (index == -1) {
+            uri = "";
+        } else {
+            uri = uri.substring(0, index);
+        }
+
+        if (parts.length >= 1) {
+            // Append the target component name
+            if (uri.length() == 0) {
+                uri = parts[0];
+            } else {
+                uri = uri + "/" + parts[0];
+            }
+        }
+        if (parts.length == 3) {
+            // <componentURI>#service-binding(serviceName/bindingName)
+            uri = uri + "#service-binding(" + parts[1] + "/" + parts[2] + ")";
+        } else if (parts.length == 2) {
+            // <componentURI>#service(serviceName)
+            uri = uri + "#service(" + parts[1] + ")";
+        }
+
+        Endpoint endpoint = assemblyFactory.createEndpoint();
+        endpoint.setUnresolved(true);
+        endpoint.setURI(uri);
+        return endpoint;
+    } // end method createEndpoint
+    
+    /**
+     * Helper method to create an endpoint
+     * @param component
+     * @param service
+     * @param unresolved
+     * @return the endpoint
+     */ 
+    private Endpoint createEndpoint(Component component, ComponentService service, boolean unresolved) {
+        Endpoint endpoint = createEndpoint(unresolved);
+        endpoint.setComponent(component);
+        endpoint.setService(service);
+        endpoint.setUnresolved(unresolved);
+        return endpoint;
+    } // end method createEndpoint    
+    
+    /**
+     * ASM_5021: where a <reference/> of a <component/> has @autowire=true 
+     * and where the <reference/> has a <binding/> child element which 
+     * declares a single target service,  the reference is wired only to 
+     * the single service identified by the <wire/> element
+     */
+    private void setSingleAutoWireTarget(ComponentReference reference) {
+        if (reference.getEndpointReferences().size() > 1 && reference.getBindings() != null
+            && reference.getBindings().size() == 1) {
+            String uri = reference.getBindings().get(0).getURI();
+            if (uri != null) {
+                if (uri.indexOf('/') > -1) {
+                    // TODO: must be a way to avoid this fiddling
+                    int i = uri.indexOf('/');
+                    String c = uri.substring(0, i);
+                    String s = uri.substring(i + 1);
+                    uri = c + "#service(" + s + ")";
+                }
+                for (EndpointReference er : reference.getEndpointReferences()) {
+                    if (er.getTargetEndpoint() != null && uri.equals(er.getTargetEndpoint().getURI())) {
+                        reference.getEndpointReferences().clear();
+                        reference.getEndpointReferences().add(er);
+                        return;
+                    }
+                }
+            }
+        }
+    }   
+    
+    /**
+     * The SCA callback model causes services and references to be automatically created
+     * to present the callback services and references. These are identifiable as their names
+     * will match the name of the forward reference or service to which they relate. In the general
+     * endpoint reference and endpoint processing we will have created endpoints and endpoint references 
+     * for these callback services and references. We now need to related forward enspoint references with
+     * callback endpoints and forward endpoints with callback endpoint references. Here's the model...
+     * 
+     *    Client Component                                     Target Component
+     *        Reference (with callback iface)                      Service (with callback iface)
+     *            EndpointReference ----------------------------------> Endpoint
+     *                  |                                                    |
+     *                  |                                                    |
+     *        Service   \/ (for the callback)                      Reference \/  (for the callback)
+     *            Endpoint <--------------------------------------------EndpointReference
+     *  
+     * TODO - there are issues here with callback binding multiplicities and which callback 
+     *        endpoint is associated with which endpointreference
+     * 
+     * @param reference
+     * @param component
+     */
+    private void fixUpCallbackLinks (Component component, ComponentReference reference){
+        
+        // fix up the links between endpoint references and endpoints that represent callbacks
+        // [rfeng] Populate the callback endpoints
+        if (reference.getCallbackService() != null) {
+            List<Endpoint> callbackEndpoints = reference.getCallbackService().getEndpoints();
+            if (!callbackEndpoints.isEmpty()) {
+                for (EndpointReference endpointReference : reference.getEndpointReferences()){
+                    // [rfeng] FIXME: how to select the callback endpoints?
+                    endpointReference.setCallbackEndpoint(callbackEndpoints.get(0));
+                }
+            }
+        }
+        
+        // fix up links between endpoints and endpoint references that represent callbacks
+        for (ComponentService service : component.getServices()) {
+            if ((service.getInterfaceContract() != null) && (service.getInterfaceContract()
+                .getCallbackInterface() != null)) {
+                if (reference.getName().equals(service.getName())) {
+                    for (Endpoint endpoint : service.getEndpoints()) {
+                        endpoint.getCallbackEndpointReferences().addAll(reference
+                            .getEndpointReferences());
+                    }
+                    break;
+                } 
+            } 
+        } 
+    }
+    
+    //=========================================================================
+    // methods below related to build time matching which is currently disabled
+/*    
+    private void populateLocalRegistry(Composite composite, EndpointRegistry registry, BuilderContext context){
+        for (Component component : composite.getComponents()) {
+            // recurse for composite implementations
+            Implementation implementation = component.getImplementation();
+            if (implementation instanceof Composite) {
+                populateLocalRegistry((Composite)implementation, registry, context);
+            }
+            
+            for (ComponentService service : component.getServices()) {
+                for (Endpoint endpoint : service.getEndpoints()){
+                    registry.addEndpoint(endpoint);
+                }
+            }
+            
+            
+            for (ComponentReference reference : component.getReferences()) {
+                for (EndpointReference epr : reference.getEndpointReferences()){
+                    registry.addEndpointReference(epr);
+                }
+            }
+            
+            // remove all autowire place holders so they don't cause wires to be created
+            // have to pass in reference as we don't have access to the registry in
+            // the builders
+            for (EndpointReference epr : registry.getEndpointReferences()){
+                if (epr.getStatus() == EndpointReference.Status.AUTOWIRE_PLACEHOLDER){
+                    epr.getReference().getEndpointReferences().remove(epr);
+                }  
+            }
+        }
+    }
+
+    private void matchEndpointReferences(Composite composite, EndpointRegistry registry, BuilderContext context){
+        
+        // look at all the endpoint references and try to match them to 
+        // endpoints
+        for (EndpointReference endpointReference : registry.getEndpointReferences()){
+            endpointReferenceBinder.bindBuildTime(registry, endpointReference);
+        }
+    }
+*/    
+    
+
+}
\ No newline at end of file
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/IntentValidator.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/IntentValidator.java
new file mode 100644
index 0000000000..b2f7a4ceed
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/IntentValidator.java
@@ -0,0 +1,139 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.Messages;
+import org.apache.tuscany.sca.assembly.builder.PolicyBuilder;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.PolicySubject;
+
+/**
+ * Intent Validator
+ */
+public class IntentValidator implements PolicyBuilder {
+
+    /**
+     * Defaut constructor
+     * @param registry Extension Registry
+     */
+    public IntentValidator(ExtensionPointRegistry registry) {
+        super();
+    }
+
+    public boolean build(Endpoint endpoint, BuilderContext context) {
+        return checkMutualExclusion(endpoint, context);
+    }
+
+    public boolean build(EndpointReference endpointReference, BuilderContext context) {
+        boolean ok = checkMutualExclusion(endpointReference, context);
+        if(!ok) {
+            return false;
+        }
+
+        Endpoint endpoint = endpointReference.getTargetEndpoint();
+        if (endpoint == null) {
+            return true;
+        }
+        ok = checkMutualExclusion(endpointReference, endpoint, context);
+        List<Intent> intentList1 = endpointReference.getRequiredIntents();
+        List<Intent> intentList2 = endpoint.getRequiredIntents();
+        return ok;
+    }
+
+    public boolean build(Component component, Implementation implementation, BuilderContext context) {
+        return true;
+    }
+    
+    public boolean build(EndpointReference endpointReference, Endpoint endpoint, BuilderContext context) {
+        return true;
+    }    
+
+    public QName getPolicyType() {
+        return null;
+    }
+    
+    public List<QName> getSupportedBindings() {
+        return null;
+    }    
+
+    /**
+     * Check if two policy subjects requires multually exclusive intents
+     * @param subject1
+     * @param subject2
+     * @param monitor 
+     * @return
+     */
+    private boolean checkMutualExclusion(PolicySubject subject1, PolicySubject subject2, BuilderContext context) {
+        if (subject1 == subject2 || subject1 == null || subject2 == null) {
+            return false;
+        }
+        for (Intent i1 : subject1.getRequiredIntents()) {
+            for (Intent i2 : subject2.getRequiredIntents()) {
+                if (i1.getExcludedIntents().contains(i2) || i2.getExcludedIntents().contains(i1)) {
+                    Monitor.error(context.getMonitor(),
+                                  this,
+                                  Messages.ASSEMBLY_VALIDATION,
+                                  "MutuallyExclusiveIntents",
+                                  new Object[] {subject1, subject2},
+                                  i1,
+                                  i2);
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    private boolean checkMutualExclusion(PolicySubject subject, BuilderContext context) {
+        if (subject == null) {
+            return false;
+        }
+        List<Intent> intents = subject.getRequiredIntents();
+        int size = intents.size();
+        for (int i = 0; i < size; i++) {
+            for (int j = i + 1; j < size; j++) {
+                Intent i1 = intents.get(i);
+                Intent i2 = intents.get(j);
+                if (i1 != i2 && i1.getExcludedIntents().contains(i2) || i2.getExcludedIntents().contains(i1)) {
+                    Monitor.error(context.getMonitor(),
+                                  this,
+                                  Messages.ASSEMBLY_VALIDATION,
+                                  "MutuallyExclusiveIntents",
+                                  subject,
+                                  i1,
+                                  i2);
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ModelBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ModelBuilderImpl.java
new file mode 100644
index 0000000000..89fdc09ae1
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/ModelBuilderImpl.java
@@ -0,0 +1,189 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.builder.impl;
+
+import java.io.ByteArrayOutputStream;
+
+import javax.xml.stream.XMLOutputFactory;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+
+public class ModelBuilderImpl implements CompositeBuilder {
+    private ExtensionPointRegistry registry;
+    
+    private CompositeBuilder compositeIncludeBuilder;
+    private CompositeBuilder compositeCloneBuilder;
+    private CompositeComponentTypeBuilderImpl compositeComponentTypeBuilder;
+    private ComponentBuilderImpl componentBuilder;
+
+    private CompositeBuilder structuralURIBuilder;
+    private BindingURIBuilderImpl bindingURIBuilder;
+    private ComponentServiceBindingBuilderImpl componentServiceBindingBuilder;
+    private ComponentReferenceBindingBuilderImpl componentReferenceBindingBuilder;
+    private CompositeBuilder compositeWireApplier;
+    private EndpointBuilderImpl endpointBuilder;
+    private EndpointReferenceBuilderImpl endpointReferenceBuilder;
+    
+    private CompositeBuilder policyAttachmentBuilder;
+    private CompositePolicyBuilderImpl compositePolicyBuilder;
+
+    /**
+     * Constructs a new composite builder.
+     * 
+     * @param registry the extension point registry
+     */
+    public ModelBuilderImpl(ExtensionPointRegistry registry) {
+        this.registry = registry;
+
+        compositeIncludeBuilder = new CompositeIncludeBuilderImpl();
+        compositeCloneBuilder = new CompositeCloneBuilderImpl();
+
+        compositeComponentTypeBuilder = new CompositeComponentTypeBuilderImpl(registry);
+        componentBuilder = new ComponentBuilderImpl(registry);
+
+        compositeComponentTypeBuilder.setComponentBuilder(componentBuilder);
+        componentBuilder.setComponentTypeBuilder(compositeComponentTypeBuilder);
+
+        structuralURIBuilder = new StructuralURIBuilderImpl(registry);
+        bindingURIBuilder = new BindingURIBuilderImpl(registry);
+        componentServiceBindingBuilder = new ComponentServiceBindingBuilderImpl(registry);
+        componentReferenceBindingBuilder = new ComponentReferenceBindingBuilderImpl(registry);
+        compositeWireApplier = new CompositeWireApplierImpl(registry);
+        endpointBuilder = new EndpointBuilderImpl(registry);
+        endpointReferenceBuilder = new EndpointReferenceBuilderImpl(registry);
+
+        policyAttachmentBuilder = new PolicyAttachmentBuilderImpl(registry);
+        compositePolicyBuilder = new CompositePolicyBuilderImpl(registry);
+    }
+
+    public String getID() {
+        return "org.apache.tuscany.sca.assembly.builder.CompositeBuilder";
+    }
+
+    public Composite build(Composite composite, BuilderContext context)
+        throws CompositeBuilderException {
+        try {
+            // Clone the composites that are included or referenced in implementation.composite
+            composite = compositeCloneBuilder.build(composite, context);
+
+            // Collect and fuse includes. Copy all of the components
+            // out of the included composite into the including composite
+            // and discards the included composite
+            composite = compositeIncludeBuilder.build(composite, context);
+
+            // Set up the structural URIs for components (services/references/bindings)
+            // TODO does this need to happen before policy attachment
+            composite = structuralURIBuilder.build(composite, context);
+            
+            // Apply policy external attachment. Happens before the composite type
+            // is created so that suitable promotion and structural processing is
+            // applied to the attached policies
+            // TODO - I don't think this is correct. The policy spec (4.12.1)implies that
+            //        policy attachment happens independently of implementation or 
+            //        structural inheritance
+            composite = policyAttachmentBuilder.build(composite, context);
+
+            // Process the implementation hierarchy by calculating the component type 
+            // for the top level implementation (composite). This has the effect of
+            // recursively calculating component types and configuring the 
+            // components that depend on them
+            compositeComponentTypeBuilder.createComponentType(null, composite, context);
+
+            // Calculate the URI associated with service bindings
+            composite = bindingURIBuilder.build(composite, context);
+            
+            // perform any binding specific build processing
+            composite = componentServiceBindingBuilder.build(composite, context); // binding specific build
+            composite = componentReferenceBindingBuilder.build(composite, context); // binding specific build
+            
+            // calculate which reference targets are implied by the wire elements
+            // that can appear at the composite level
+            composite = compositeWireApplier.build(composite, context);
+
+            // compute all the service endpoints
+            endpointBuilder.build(composite, context);
+            
+            // compute all the reference endpoint references
+            endpointReferenceBuilder.build(composite, context);
+            
+            // calculate intents and policy sets across the model hierarchy
+            // relies on the endpoints and endpoint references having been calculated
+            composite = compositePolicyBuilder.build(composite, context); 
+                        
+            // For debugging - in success cases
+            //System.out.println(dumpBuiltComposite(composite));
+            
+            return composite;
+        } catch (Exception e) {
+            // For debugging - in failure cases
+            //System.out.println(dumpBuiltComposite(composite));
+            throw new CompositeBuilderException("Exception while building model " + composite.getName(), e);
+        }
+    }
+    
+    /**
+     * For debugging the build process
+     * 
+     * @return a tring version of the built model 
+     */
+    public String dumpBuiltComposite(Composite composite) {
+        
+        StAXArtifactProcessorExtensionPoint xmlProcessors = 
+            registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
+        StAXArtifactProcessor<Composite>  compositeProcessor = 
+            xmlProcessors.getProcessor(Composite.class);   
+     
+        return writeComposite(composite, compositeProcessor);
+    }
+       
+    private String writeComposite(Composite composite, StAXArtifactProcessor<Composite> compositeProcessor){
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        XMLOutputFactory outputFactory =
+            registry.getExtensionPoint(FactoryExtensionPoint.class)
+                .getFactory(XMLOutputFactory.class);
+        
+        try {
+            compositeProcessor.write(composite, outputFactory.createXMLStreamWriter(bos), new ProcessorContext(registry));
+        } catch(Exception ex) {
+            return ex.toString();
+        }
+        
+        String result = bos.toString();
+        
+        // write out and nested composites
+        for (Component component : composite.getComponents()) {
+            if (component.getImplementation() instanceof Composite) {
+                result += "\n<!-- XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX -->\n" + 
+                          writeComposite((Composite)component.getImplementation(),
+                                          compositeProcessor);
+            }
+        }
+        
+        return result;
+    }    
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/PolicyAppliesToBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/PolicyAppliesToBuilderImpl.java
new file mode 100644
index 0000000000..2417940b1c
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/PolicyAppliesToBuilderImpl.java
@@ -0,0 +1,171 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpression;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.PolicySubject;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+/**
+ * A builder that checks that policy sets apply to the elements to which they are attached. 
+ * Any that don't are removed. It first creates a DOM model for the composite so that the xpath
+ * expression can be evaluated. For each element that holds a policy set is calculates the 
+ * appliesTo nodes and checks that the current element is in the set. If not the policySet is
+ * removed from the element   
+ *
+ * @version $Rev$ $Date$
+ */
+public class PolicyAppliesToBuilderImpl extends PolicyAttachmentBuilderImpl {
+
+    public PolicyAppliesToBuilderImpl(ExtensionPointRegistry registry) {
+        super(registry);
+    }
+
+    public String getID() {
+        return "org.apache.tuscany.sca.policy.builder.PolicyAppliesToBuilder";
+    }
+
+    public Composite build(Composite composite, BuilderContext context)
+        throws CompositeBuilderException {
+        try {
+            // create a DOM for the Domain Composite Infoset
+            Document document = saveAsDOM(composite);
+            
+            // create a cache of evaluated node against each policy set so we don't
+            // have to keep evaluating policy sets that appear in multiple places
+            Map<PolicySet, List<PolicySubject>> appliesToSubjects = new HashMap<PolicySet, List<PolicySubject>>();
+            
+            // for all implementations, endpoint and endpoint references check that 
+            // the policy sets validly apply
+            return checkAppliesTo(document, appliesToSubjects, composite, context);
+           
+        } catch (Exception e) {
+            throw new CompositeBuilderException(e);
+        }
+    }
+    
+    private Composite checkAppliesTo(Document document, Map<PolicySet, List<PolicySubject>> appliesToSubjects, Composite composite, BuilderContext context) throws Exception {
+        // look at policies recursively
+        for (Component component : composite.getComponents()) {
+            Implementation implementation = component.getImplementation();
+            if (implementation instanceof Composite) {
+                checkAppliesTo(document, appliesToSubjects, (Composite)implementation, context);
+            }
+        }
+
+        for (Component component : composite.getComponents()) {
+
+            for (ComponentService componentService : component.getServices()) {
+                for (Endpoint ep : componentService.getEndpoints()) {
+                    if (ep.getBinding() instanceof PolicySubject) {
+                        checkAppliesToSubject(document, appliesToSubjects, composite, (PolicySubject)ep.getBinding(), ep.getPolicySets());
+                    }
+                }
+            }
+
+            for (ComponentReference componentReference : component.getReferences()) {
+                for (EndpointReference epr : componentReference.getEndpointReferences()) {
+                    if (epr.getBinding() instanceof PolicySubject) {
+                        checkAppliesToSubject(document, appliesToSubjects, composite, (PolicySubject)epr.getBinding(), epr.getPolicySets());
+                    }
+                }
+            }
+
+            Implementation implementation = component.getImplementation();
+            if (implementation != null && 
+                implementation instanceof PolicySubject) {
+                checkAppliesToSubject(document, appliesToSubjects, composite, implementation, implementation.getPolicySets());
+            }
+        }
+        
+        return composite;
+    }
+    
+    /**
+     * Checks that all the provided policy sets apply to the provided policy subject
+     * 
+     * @param document
+     * @param appliesToSubjects
+     * @param policySubject
+     * @param policySets
+     * @return
+     * @throws Exception
+     */
+    private void checkAppliesToSubject(Document document, Map<PolicySet, List<PolicySubject>> appliesToSubjects, Composite composite, PolicySubject policySubject, List<PolicySet> policySets) throws Exception {
+        List<PolicySet> policySetsToRemove = new ArrayList<PolicySet>();
+        
+        for (PolicySet policySet : policySets){
+            List<PolicySubject> subjects = appliesToSubjects.get(policySet);
+            
+            if (subjects == null){
+                XPathExpression appliesTo = policySet.getAppliesToXPathExpression();
+                if (appliesTo != null) {
+                    NodeList nodes = (NodeList)appliesTo.evaluate(document, XPathConstants.NODESET);
+                    
+                    if (nodes.getLength() > 0){
+                        subjects = new ArrayList<PolicySubject>();
+                        appliesToSubjects.put(policySet, subjects);
+                    }
+                    
+                    for (int i = 0; i < nodes.getLength(); i++) {
+                        Node node = nodes.item(i);
+                        String index = getStructuralURI(node);
+                        PolicySubject subject = lookup(composite, index);
+                        subjects.add(subject);
+                    }
+                }
+            }
+            
+            if (subjects != null){
+                if (!subjects.contains(policySubject)){
+                    policySetsToRemove.add(policySet);
+                }
+            } 
+            
+            // TODO - If no "appliesTo" is provided does the policy set apply to 
+            //        everything or nothing?
+
+        }
+        
+        policySets.removeAll(policySetsToRemove);      
+    }    
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/PolicyAttachmentBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/PolicyAttachmentBuilderImpl.java
new file mode 100644
index 0000000000..e9a49c8842
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/PolicyAttachmentBuilderImpl.java
@@ -0,0 +1,336 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import java.io.IOException;
+import java.io.StringWriter;
+import java.util.Set;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamWriter;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpression;
+
+import org.apache.tuscany.sca.assembly.Base;
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Contract;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.common.xml.dom.DOMHelper;
+import org.apache.tuscany.sca.common.xml.stax.StAXHelper;
+import org.apache.tuscany.sca.contribution.processor.ContributionWriteException;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.definitions.Definitions;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.PolicySubject;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.SAXException;
+
+/**
+ * A builder that attaches policy sets to the domain composite using the xpath defined by
+ * the attachTo attribute. It first creates a DOM model for the composite so that the xpath
+ * expression can be evaluated. For the nodes selected by the xpath, caluclate the element
+ * URI and add the policy set into the composite model  
+ *
+ * @version $Rev$ $Date$
+ */
+public class PolicyAttachmentBuilderImpl implements CompositeBuilder {
+    protected static final String BUILDER_VALIDATION_BUNDLE = "org.apache.tuscany.sca.builder.builder-validation-messages";
+    
+    protected StAXHelper staxHelper;
+    protected DOMHelper domHelper;
+    protected ExtensionPointRegistry registry;
+    protected StAXArtifactProcessor<Composite> processor;
+
+    public PolicyAttachmentBuilderImpl(ExtensionPointRegistry registry) {
+        this.registry = registry;
+        domHelper = DOMHelper.getInstance(registry);
+        staxHelper = StAXHelper.getInstance(registry);
+        StAXArtifactProcessorExtensionPoint processors =
+            registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
+        processor = processors.getProcessor(Composite.class);
+    }
+
+    public String getID() {
+        return "org.apache.tuscany.sca.policy.builder.PolicyAttachmentBuilder";
+    }
+
+    public Composite build(Composite composite, BuilderContext context)
+        throws CompositeBuilderException {
+        try {
+            Composite patched = applyXPath(composite, context.getDefinitions(), context.getMonitor());
+            return patched;
+        } catch (Exception e) {
+            throw new CompositeBuilderException(e);
+        }
+    }
+
+    /**
+     * Apply the attachTo XPath against the composite model
+     * @param composite The orginal composite
+     * @param definitions SCA definitions that contain the policy sets
+     * @param monitor The monitor
+     * @return A reloaded composite
+     * @throws Exception
+     */
+    private Composite applyXPath(Composite composite, Definitions definitions, Monitor monitor) throws Exception {
+
+        monitor.pushContext("Composite: " + composite.getName().toString());
+        
+        try {
+            if (definitions == null || definitions.getPolicySets().isEmpty()) {
+                return composite;
+            }
+            // Recursively apply the xpath against the composites referenced by <implementation.composite>
+            for (Component component : composite.getComponents()) {
+                Implementation impl = component.getImplementation();
+                if (impl instanceof Composite) {
+                    Composite patched = applyXPath((Composite)impl, definitions, monitor);
+                    if (patched != impl) {
+                        component.setImplementation(patched);
+                    }
+                }
+            }
+            Document document = null;
+    
+            for (PolicySet ps : definitions.getPolicySets()) {
+                // First calculate the applicable nodes
+                Set<Node> applicableNodes = null;
+                /*
+                XPathExpression appliesTo = ps.getAppliesToXPathExpression();
+                if (appliesTo != null) {
+                    applicableNodes = new HashSet<Node>();
+                    NodeList nodes = (NodeList)appliesTo.evaluate(document, XPathConstants.NODESET);
+                    for (int i = 0; i < nodes.getLength(); i++) {
+                        applicableNodes.add(nodes.item(i));
+                    }
+                }
+                */
+                XPathExpression exp = ps.getAttachToXPathExpression();
+                if (exp != null) {
+                    if (document == null) {
+                        document = saveAsDOM(composite);
+                    }
+                    NodeList nodes = (NodeList)exp.evaluate(document, XPathConstants.NODESET);
+                    for (int i = 0; i < nodes.getLength(); i++) {
+                        Node node = nodes.item(i);
+                        
+                        // POL_40002 - you can't attach a policy to a property node
+                        //             or one of it's children
+                        // walk backwards up the node tree looking for an element called property
+                        // and raise an error if we find one
+                        Node testNode = node;
+                        while (testNode != null){
+                            if ((node.getNodeType() == Node.ELEMENT_NODE) &&
+                                (node.getLocalName().equals("property"))){
+                                Monitor.error(monitor, 
+                                              this, 
+                                              BUILDER_VALIDATION_BUNDLE, 
+                                              "PolicyAttachedToProperty", 
+                                              ps.getName().toString());
+                                break;
+                            }                    	
+                            testNode = testNode.getParentNode();
+                        }
+                        
+                        if (applicableNodes == null || applicableNodes.contains(node)) {
+                            // The node can be a component, service, reference or binding
+                            String index = getStructuralURI(node);
+                            PolicySubject subject = lookup(composite, index);
+                            if (subject != null) {
+                                subject.getPolicySets().add(ps);
+                            } else {
+                            	// raise a warning that the XPath node didn't match a node in the 
+                            	// models
+                                Monitor.warning(monitor, 
+                                        this, 
+                                        BUILDER_VALIDATION_BUNDLE, 
+                                        "PolicyDOMModelMissmatch", 
+                                        ps.getName().toString(),
+                                        index);
+                            }
+                        }
+                    }
+                }
+            }
+            
+            return composite;
+        } finally {
+            monitor.popContext();
+        }            
+    }
+
+    protected Document saveAsDOM(Composite composite) throws XMLStreamException, ContributionWriteException, IOException,
+        SAXException {
+        // First write the composite into a DOM document so that we can apply the xpath
+        StringWriter sw = new StringWriter();
+        XMLStreamWriter writer = staxHelper.createXMLStreamWriter(sw);
+        // Write the composite into a DOM document
+        processor.write(composite, writer, new ProcessorContext(registry));
+        writer.close();
+
+        Document document = domHelper.load(sw.toString());
+        
+        // Debugging
+        //System.out.println("<!-- DOM to which XPath will be applies is -->\n" + sw.toString());
+        
+        return document;
+    }
+
+    private static final QName COMPONENT = new QName(Base.SCA11_NS, "component");
+    private static final QName SERVICE = new QName(Base.SCA11_NS, "service");
+    private static final QName REFERENCE = new QName(Base.SCA11_NS, "reference");
+
+    protected static String getStructuralURI(Node node) {
+        if (node != null) {
+            QName name = new QName(node.getNamespaceURI(), node.getLocalName());
+            if (COMPONENT.equals(name)) {
+                Element element = (Element)node;
+                return element.getAttributeNS(null, "uri");
+            } else if (SERVICE.equals(name)) {
+                Element component = (Element)node.getParentNode();
+                String uri = component.getAttributeNS(null, "uri");
+                String service = ((Element)node).getAttributeNS(null, "name");
+                return uri + "#service(" + service + ")";
+            } else if (REFERENCE.equals(name)) {
+                Element component = (Element)node.getParentNode();
+                String uri = component.getAttributeNS(null, "uri");
+                String reference = ((Element)node).getAttributeNS(null, "name");
+                return uri + "#reference(" + reference + ")";
+            } else {
+                String localName = node.getLocalName();
+                if (localName.startsWith("binding.")) {
+                    String bindingName = ((Element)node).getAttributeNS(null, "name");
+                    Element contract = (Element)node.getParentNode();
+                    String contractName = contract.getAttributeNS(null, "name");
+                    Element component = (Element)node.getParentNode().getParentNode();
+                    String uri = component.getAttributeNS(null, "uri");
+                    return uri + "#" + contract.getLocalName() + "(" + contractName + "/" + bindingName + ")";
+                } else if (localName.startsWith("implementation.")) {
+                    Element component = (Element)node.getParentNode();
+                    String uri = component.getAttributeNS(null, "uri");
+                    return uri + "#implementation()";
+                }
+            }
+        }
+        return null;
+    }
+
+    protected Binding getBinding(Contract contract, String name) {
+        for (Binding binding : contract.getBindings()) {
+            if (name.equals(binding.getName())) {
+                return binding;
+            }
+        }
+        return null;
+    }
+
+    protected PolicySubject lookup(Composite composite, String structuralURI) {
+        if (structuralURI == null) {
+            return null;
+        }
+        int index = structuralURI.indexOf('#');
+        String componentURI = structuralURI;
+        String service = null;
+        String reference = null;
+        String binding = null;
+        boolean impl = false;
+
+        if (index != -1) {
+            componentURI = structuralURI.substring(0, index);
+            String fragment = structuralURI.substring(index + 1);
+            int begin = fragment.indexOf('(');
+            int end = fragment.indexOf(')');
+            if (begin != -1 && end != -1) {
+                String path = fragment.substring(begin + 1, end).trim();
+                String prefix = fragment.substring(0, begin).trim();
+                if (prefix.equals("implementation")) {
+                    impl = true;
+                } else {
+                    int pos = path.indexOf('/');
+                    if (pos != -1) {
+                        binding = path.substring(pos + 1);
+                        path = path.substring(0, pos);
+                        if ("service-binding".equals(prefix)) {
+                            service = path;
+                        } else if ("reference-binding".equals(prefix)) {
+                            reference = path;
+                        }
+                    }
+                    if ("service".equals(prefix)) {
+                        service = path;
+                    } else if ("reference".equals(prefix)) {
+                        reference = path;
+                    }
+                }
+            }
+        }
+        for (Component component : composite.getComponents()) {
+            if (component.getURI().equals(componentURI)) {
+                if (service != null) {
+                    ComponentService componentService = component.getService(service);
+                    if (binding != null) {
+                        Binding b = getBinding(componentService, binding);
+                        if (b instanceof PolicySubject) {
+                            return (PolicySubject)b;
+                        }
+                    } else {
+                        return componentService;
+                    }
+                } else if (reference != null) {
+                    ComponentReference componentReference = component.getReference(reference);
+                    if (binding != null) {
+                        Binding b = getBinding(componentReference, binding);
+                        if (b instanceof PolicySubject) {
+                            return (PolicySubject)b;
+                        }
+                    } else {
+                        return componentReference;
+                    }
+                } else if (impl) {
+                    return component.getImplementation();
+                }
+                return component;
+            } else if (structuralURI.startsWith(component.getURI() + "/")) {
+                Implementation implementation = component.getImplementation();
+                if (implementation instanceof Composite) {
+                    return lookup((Composite)implementation, structuralURI);
+                } else {
+                    return null;
+                }
+            }
+        }
+        return null;
+    }
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/StructuralURIBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/StructuralURIBuilderImpl.java
new file mode 100644
index 0000000000..7c2d86862b
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/StructuralURIBuilderImpl.java
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import java.net.URI;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Contract;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.assembly.builder.Messages;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.definitions.Definitions;
+import org.apache.tuscany.sca.monitor.Monitor;
+
+/**
+ * Configuration of binding URIs.
+ *
+ * @version $Rev$ $Date$
+ */
+public class StructuralURIBuilderImpl implements CompositeBuilder {
+
+    public StructuralURIBuilderImpl(ExtensionPointRegistry registry) {
+    }
+    
+    public String getID() {
+        return "org.apache.tuscany.sca.assembly.builder.StructualURIBuilder";
+    }     
+    
+    public Composite build(Composite composite, BuilderContext context)
+            throws CompositeBuilderException {
+        configureStructuralURIs(composite, 
+                                null, 
+                                context.getDefinitions(),
+                                context.getBindingBaseURIs(), 
+                                context.getMonitor());
+        return composite;
+    }
+
+
+    /**
+     * If a binding name is not provided by the user, construct it based on the service
+     * or reference name
+     *
+     * @param contract the service or reference
+     */
+    private void constructBindingNames(Contract contract, Monitor monitor) {
+        List<Binding> bindings = contract.getBindings();
+        Map<String, Binding> bindingMap = new HashMap<String, Binding>();
+        for (Binding binding : bindings) {
+            // set the default binding name if one is required
+            // if there is no name on the binding then set it to the service or reference name
+            if (binding.getName() == null) {
+                binding.setName(contract.getName());
+            }
+            Binding existed = bindingMap.put(binding.getName(), binding);
+            // Check that multiple bindings do not have the same name
+            if (existed != null && existed != binding) {
+                if (contract instanceof Service) {
+                    Monitor.error(monitor, this, Messages.ASSEMBLY_VALIDATION, "MultipleBindingsForService", contract
+                        .getName(), binding.getName());
+                } else {
+                    Monitor.error(monitor,
+                                  this,
+                                  Messages.ASSEMBLY_VALIDATION,
+                                  "MultipleBindingsForReference",
+                                  contract.getName(),
+                                  binding.getName());
+                }
+            }
+        }
+
+        if (contract.getCallback() != null) {
+            bindings = contract.getCallback().getBindings();
+            bindingMap.clear();
+            for (Binding binding : bindings) {
+                // set the default binding name if one is required
+                // if there is no name on the binding then set it to the service or reference name
+                if (binding.getName() == null) {
+                    binding.setName(contract.getName());
+                }
+                Binding existed = bindingMap.put(binding.getName(), binding);
+                // Check that multiple bindings do not have the same name
+                if (existed != null && existed != binding) {
+                    if (contract instanceof Service) {
+                        Monitor.error(monitor,
+                                      this,
+                                      Messages.ASSEMBLY_VALIDATION,
+                                      "MultipleBindingsForServiceCallback",
+                                      contract.getName(),
+                                      binding.getName());
+                    } else {
+                        Monitor.error(monitor,
+                                      this,
+                                      Messages.ASSEMBLY_VALIDATION,
+                                      "MultipleBindingsForReferenceCallback",
+                                      contract.getName(),
+                                      binding.getName());
+                    }
+                }
+            }
+        }
+    }
+
+    private void configureStructuralURIs(Composite composite,
+                                         String parentComponentURI,
+                                         Definitions definitions,
+                                         Map<QName, List<String>> defaultBindings,
+                                         Monitor monitor) throws CompositeBuilderException {
+
+        monitor.pushContext("Composite: " + composite.getName().toString());
+        try {
+            for (Service service : composite.getServices()) {
+                constructBindingNames(service, monitor);
+            }
+
+            for (Reference reference : composite.getReferences()) {
+                constructBindingNames(reference, monitor);
+            }
+
+            // Process nested composites recursively
+            for (Component component : composite.getComponents()) {
+
+                // Initialize component URI
+                String componentURI;
+                if (parentComponentURI == null) {
+                    componentURI = component.getName();
+                } else {
+                    componentURI = parentComponentURI + '/' + component.getName();
+                }
+                component.setURI(componentURI);
+
+                monitor.pushContext("Component: " + component.getName());
+                try {
+                    for (ComponentService service : component.getServices()) {
+                        constructBindingNames(service, monitor);
+                    }
+                    for (ComponentReference service : component.getReferences()) {
+                        constructBindingNames(service, monitor);
+                    }
+                } finally {
+                    monitor.popContext();
+                }
+
+                Implementation implementation = component.getImplementation();
+                if (implementation instanceof Composite) {
+                    // Process nested composite
+                    configureStructuralURIs((Composite)implementation,
+                                            componentURI,
+                                            definitions,
+                                            defaultBindings,
+                                            monitor);
+                }
+            }
+
+        } finally {
+            monitor.popContext();
+        }
+    }
+
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/WireBuilderImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/WireBuilderImpl.java
new file mode 100644
index 0000000000..21725fb1b1
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/WireBuilderImpl.java
@@ -0,0 +1,1028 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.CompositeReference;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.Multiplicity;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.SCABinding;
+import org.apache.tuscany.sca.assembly.Wire;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.assembly.builder.Messages;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.policy.Intent;
+import org.oasisopen.sca.ServiceRuntimeException;
+
+/**
+ * Creates endpoint reference models.
+ */
+public class WireBuilderImpl {
+
+    private AssemblyFactory assemblyFactory;
+    private InterfaceContractMapper interfaceContractMapper;
+
+    public WireBuilderImpl(ExtensionPointRegistry registry) {
+        UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
+        interfaceContractMapper = utilities.getUtility(InterfaceContractMapper.class);
+
+        FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class);
+        assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
+    }
+
+    /**
+     * Create endpoint references for all component references.
+     *
+     * @param composite
+     */
+    public Composite build(Composite composite, BuilderContext context)
+        throws CompositeBuilderException {
+        Monitor monitor = context.getMonitor();
+
+        // process component references
+        processComponentReferences(composite, monitor);
+        
+        // validate component references
+        validateComponentReferences(composite, monitor);
+        
+        return composite;
+    }
+
+    private void processComponentReferences(Composite composite, Monitor monitor) {
+
+        monitor.pushContext("Composite: " + composite.getName().toString());
+        try {
+            // Index components, services and references
+            Map<String, Component> components = new HashMap<String, Component>();
+            Map<String, ComponentService> componentServices = new HashMap<String, ComponentService>();
+            Map<String, ComponentReference> componentReferences = new HashMap<String, ComponentReference>();
+            indexComponentsServicesAndReferences(composite, components, componentServices, componentReferences);
+
+            // Connect component references as described in wires
+            connectWires(composite, componentServices, componentReferences, monitor);
+
+            // create endpoint references for each component's references
+            for (Component component : composite.getComponents()) {
+                monitor.pushContext("Component: " + component.getName());
+
+                try {
+
+                    // recurse for composite implementations
+                    Implementation implementation = component.getImplementation();
+                    if (implementation instanceof Composite) {
+                        processComponentReferences((Composite)implementation, monitor);
+                    }
+
+                    // create endpoint references to represent the component reference
+                    for (ComponentReference reference : component.getReferences()) {
+                        createReferenceEndpointReferences(composite,
+                                                          component,
+                                                          reference,
+                                                          components,
+                                                          componentServices,
+                                                          monitor);
+
+                        // fix up links between endpoints and endpoint references that represent callbacks
+                        for (ComponentService service : component.getServices()) {
+                            if ((service.getInterfaceContract() != null) && (service.getInterfaceContract()
+                                .getCallbackInterface() != null)) {
+                                if (reference.getName().equals(service.getName())) {
+                                    for (Endpoint endpoint : service.getEndpoints()) {
+                                        endpoint.getCallbackEndpointReferences().addAll(reference
+                                            .getEndpointReferences());
+                                    }
+                                    break;
+                                } // end if
+                            } // end if
+                        } // end for
+                        
+                        // push down endpoint references into the leaf component references
+                        // in the case where this component reference promotes a reference from
+                        // a composite implementation
+                        pushDownEndpointReferences(composite,
+                                                   component,
+                                                   reference,
+                                                   monitor);
+                        
+                    } // end for
+
+                    // Validate that references are wired or promoted, according
+                    // to their multiplicity. This validates as we go and catches cases
+                    // where a reference has been configured directly incorrectly with its
+                    // immediate multiplicity setting. We re-run this validation again later
+                    // to catch to more complex cases where reference promotion causes 
+                    // multiplicity errors. 
+                    validateReferenceMultiplicity(composite, component, monitor);
+
+                } finally {
+                    monitor.popContext();
+                }
+            } // end for
+
+        } finally {
+            monitor.popContext();
+        }
+
+    } // end method processCompoenntReferences
+    
+    
+    /**
+     * The validate stage is separate from the process stage as enpoint references are
+     * pushed down the hierarchy. We don't know the full set of endpoint references until
+     * all processing is complete. Hence we can't validate as we go
+     * 
+     * @param composite
+     * @param monitor
+     */
+    private void validateComponentReferences(Composite composite, Monitor monitor) {
+
+        monitor.pushContext("Composite: " + composite.getName().toString());
+        try {
+            // create endpoint references for each component's references
+            for (Component component : composite.getComponents()) {
+                monitor.pushContext("Component: " + component.getName());
+
+                try {
+
+                    // recurse for composite implementations
+                    Implementation implementation = component.getImplementation();
+                    if (implementation instanceof Composite) {
+                        validateComponentReferences((Composite)implementation, monitor);
+                    }
+                    // Validate that references are wired or promoted, according
+                    // to their multiplicity   
+                    validateReferenceMultiplicity(composite, component, monitor);
+
+                } finally {
+                    monitor.popContext();
+                }
+            }
+            
+        } finally {
+            monitor.popContext();
+        }
+
+    }        
+
+    protected void indexComponentsServicesAndReferences(Composite composite,
+                                                        Map<String, Component> components,
+                                                        Map<String, ComponentService> componentServices,
+                                                        Map<String, ComponentReference> componentReferences) {
+
+        for (Component component : composite.getComponents()) {
+
+            // Index components by name
+            components.put(component.getName(), component);
+
+            ComponentService nonCallbackService = null;
+            int nonCallbackServices = 0;
+            for (ComponentService componentService : component.getServices()) {
+
+                // Index component services by component name / service name
+                String uri = component.getName() + '/' + componentService.getName();
+                componentServices.put(uri, componentService);
+
+                // count how many non-callback services there are
+                // if there is only one the component name also acts as the
+                // service name
+                if (!componentService.isForCallback()) {
+                    // Check how many non callback non-promoted services we have
+                    if (nonCallbackServices == 0) {
+                        nonCallbackService = componentService;
+                    }
+                    nonCallbackServices++;
+                }
+            }
+
+            if (nonCallbackServices == 1) {
+                // If we have a single non callback service, index it by
+                // component name as well
+                componentServices.put(component.getName(), nonCallbackService);
+            }
+
+            // Index references by component name / reference name
+            for (ComponentReference componentReference : component.getReferences()) {
+                String uri = component.getName() + '/' + componentReference.getName();
+                componentReferences.put(uri, componentReference);
+            }
+        }
+    }
+
+    /**
+     * Resolve wires and connect the sources to their targets
+     * 
+     * @param composite
+     * @param componentServices
+     * @param componentReferences
+     * @param problems
+     */
+    private void connectWires(Composite composite,
+                              Map<String, ComponentService> componentServices,
+                              Map<String, ComponentReference> componentReferences,
+                              Monitor monitor) {
+
+        // For each wire, resolve the source reference, the target service, and
+        // add it to the list of targets of the reference
+        List<Wire> wires = composite.getWires();
+        for (int i = 0, n = wires.size(); i < n; i++) {
+            Wire wire = wires.get(i);
+
+            ComponentReference resolvedReference;
+            ComponentService resolvedService;
+
+            // Resolve the source reference
+            ComponentReference source = wire.getSource();
+            if (source != null && source.isUnresolved()) {
+                resolvedReference = componentReferences.get(source.getName());
+                if (resolvedReference != null) {
+                    wire.setSource(resolvedReference);
+                } else {
+                    Monitor.warning(monitor, this, Messages.ASSEMBLY_VALIDATION, "WireSourceNotFound", source
+                        .getName());
+                }
+            } else {
+                resolvedReference = wire.getSource();
+            }
+
+            // Resolve the target service
+            ComponentService target = wire.getTarget();
+            if (target != null && target.isUnresolved()) {
+                resolvedService = componentServices.get(target.getName());
+                if (resolvedService != null) {
+                    wire.setTarget(target);
+                } else {
+                    Monitor.warning(monitor, this, Messages.ASSEMBLY_VALIDATION, "WireTargetNotFound", target
+                        .getName());
+                }
+            } else {
+                resolvedService = wire.getTarget();
+            }
+
+            // Add the target service to the list of targets of the
+            // reference
+            if (resolvedReference != null && resolvedService != null) {
+                // Check that the target component service provides
+                // a superset of
+                // the component reference interface
+                if (resolvedReference.getInterfaceContract() == null || interfaceContractMapper
+                    .isCompatibleSubset(resolvedReference.getInterfaceContract(), resolvedService.getInterfaceContract())) {
+
+                    //resolvedReference.getTargets().add(resolvedService);
+                    if (wire.isReplace()) {
+                        resolvedReference.getTargets().clear();
+                    }
+                    resolvedReference.getTargets().add(wire.getTarget());
+                } else {
+                    Monitor.warning(monitor, this, Messages.ASSEMBLY_VALIDATION, "WireIncompatibleInterface", source
+                        .getName(), target.getName());
+                }
+            }
+        }
+
+        // Clear the list of wires
+        composite.getWires().clear();
+    }
+
+    private void createReferenceEndpointReferences(Composite composite,
+                                                   Component component,
+                                                   ComponentReference reference,
+                                                   Map<String, Component> components,
+                                                   Map<String, ComponentService> componentServices,
+                                                   Monitor monitor) {
+
+        monitor.pushContext("Reference: " + reference.getName());
+
+        // Get reference targets
+        List<ComponentService> refTargets = getReferenceTargets(reference);
+        if (Boolean.TRUE.equals(reference.getAutowire()) && reference.getTargets().isEmpty()) {
+
+            // Find suitable targets in the current composite for an
+            // autowired reference
+            Multiplicity multiplicity = reference.getMultiplicity();
+            for (Component targetComponent : composite.getComponents()) {
+
+                // Tuscany specific selection of the first autowire reference
+                // when there are more than one (ASM_60025)
+                if ((multiplicity == Multiplicity.ZERO_ONE || multiplicity == Multiplicity.ONE_ONE) && (reference
+                    .getEndpointReferences().size() != 0)) {
+                    break;
+                }
+
+                // Prevent autowire connecting to self
+                if (targetComponent == component)
+                    continue;
+
+                for (ComponentService targetComponentService : targetComponent.getServices()) {
+                    if (reference.getInterfaceContract() == null || interfaceContractMapper.isCompatibleSubset(reference
+                        .getInterfaceContract(), targetComponentService.getInterfaceContract())) {
+                        
+                        if (intentsMatch(reference.getRequiredIntents(), targetComponentService.getRequiredIntents())) {
+                            EndpointReference endpointRef = createEndpointRef(component, reference, false);
+                            endpointRef.setTargetEndpoint(createEndpoint(targetComponent, targetComponentService, true));
+                            endpointRef.setStatus(EndpointReference.Status.WIRED_TARGET_FOUND_READY_FOR_MATCHING);
+                            reference.getEndpointReferences().add(endpointRef);
+
+                            // Stop with the first match for 0..1 and 1..1 references
+                            if (multiplicity == Multiplicity.ZERO_ONE || multiplicity == Multiplicity.ONE_ONE) {
+                                break;
+                            } // end if
+                        }
+
+                    } // end if
+                } // end for
+            } // end for
+
+            if (multiplicity == Multiplicity.ONE_N || multiplicity == Multiplicity.ONE_ONE) {
+                if (reference.getEndpointReferences().size() == 0) {
+                    Monitor.error(monitor,
+                                  this,
+                                  Messages.ASSEMBLY_VALIDATION,
+                                  "NoComponentReferenceTarget",
+                                  reference.getName());
+                }
+            }
+
+            setSingleAutoWireTarget(reference);
+
+        } else if (!refTargets.isEmpty()) {
+            // Check that the component reference does not mix the use of endpoint references
+            // specified via the target attribute with the presence of binding elements
+            if (bindingsIdentifyTargets(reference)) {
+                Monitor.error(monitor,
+                              this,
+                              Messages.ASSEMBLY_VALIDATION,
+                              "ReferenceEndPointMixWithTarget",
+                              composite.getName().toString(),
+                              component.getName(),
+                              reference.getName());
+            }
+
+            // Resolve targets specified on the component reference
+            for (ComponentService target : refTargets) {
+
+                String targetName = getComponentServiceName(target.getName());
+                String bindingName = getBindingName(target.getName());
+                ComponentService targetComponentService = componentServices.get(targetName);
+
+                Component targetComponent = getComponentFromTargetName(components, targetName);
+
+                if (targetComponentService != null) {
+                    // Check that target component service provides a superset of the component reference interface
+                    if (reference.getInterfaceContract() == null || interfaceContractMapper.isCompatibleSubset(reference
+                        .getInterfaceContract(), targetComponentService.getInterfaceContract())) {
+
+                        if (bindingName != null) {
+                            // the user has selected a binding as part of the target name
+                            Binding targetBinding = null;
+
+                            for (Binding tmp : targetComponentService.getBindings()) {
+                                if (tmp.getName().equals(bindingName)) {
+                                    targetBinding = tmp;
+                                    continue;
+                                }
+                            }
+
+                            if (targetBinding != null) {
+                                EndpointReference endpointRef = createEndpointRef(component, reference, false);
+                                endpointRef.setTargetEndpoint(createEndpoint(targetComponent,
+                                                                             targetComponentService,
+                                                                             targetBinding,
+                                                                             true));
+                                endpointRef.setStatus(EndpointReference.Status.WIRED_TARGET_FOUND_AND_MATCHED);
+                                // relying on the registry here to resolve the real endpoint
+                                reference.getEndpointReferences().add(endpointRef);
+
+                            } else {
+                                EndpointReference endpointRef = createEndpointRef(component, reference, true);
+                                endpointRef.setTargetEndpoint(createEndpoint(component, targetName));
+                                endpointRef.setStatus(EndpointReference.Status.WIRED_TARGET_NOT_FOUND);
+                                reference.getEndpointReferences().add(endpointRef);
+                                Monitor.warning(monitor,
+                                                this,
+                                                Messages.ASSEMBLY_VALIDATION,
+                                                "ComponentReferenceTargetNotFound",
+                                                composite.getName().toString(),
+                                                targetName);
+                            }
+
+                        } else {
+                            // the user hasn't selected a binding as part of the target name
+
+                            EndpointReference endpointRef = createEndpointRef(component, reference, false);
+                            endpointRef
+                                .setTargetEndpoint(createEndpoint(targetComponent, targetComponentService, true));
+                            endpointRef.setStatus(EndpointReference.Status.WIRED_TARGET_FOUND_READY_FOR_MATCHING);
+                            reference.getEndpointReferences().add(endpointRef);
+                        }
+                    } else {
+                        Monitor.error(monitor,
+                                      this,
+                                      Messages.ASSEMBLY_VALIDATION,
+                                      "ReferenceIncompatibleInterface",
+                                      composite.getName().toString(),
+                                      component.getName() + "." + reference.getName(),
+                                      targetName);
+                    }
+                } else {
+                    // add an unresolved endpoint reference with an unresolved endpoint to go with it
+                    EndpointReference endpointRef = createEndpointRef(component, reference, true);
+                    endpointRef.setTargetEndpoint(createEndpoint(component, targetName));
+                    endpointRef.setStatus(EndpointReference.Status.WIRED_TARGET_NOT_FOUND);
+                    reference.getEndpointReferences().add(endpointRef);
+                    Monitor.warning(monitor,
+                                    this,
+                                    Messages.ASSEMBLY_VALIDATION,
+                                    "ComponentReferenceTargetNotFound",
+                                    composite.getName().toString(),
+                                    targetName);
+                } // end if
+            } // end for
+        } // end if
+
+        // if no endpoints have found so far the bindings hold the targets.
+        if (reference.getEndpointReferences().isEmpty()) {
+            for (Binding binding : reference.getBindings()) {
+
+                String uri = binding.getURI();
+
+                // user hasn't put a uri on the binding so it's not a target name and the assumption is that
+                // the target is established via configuration of the binding element itself
+                if (uri == null) {
+                    // Regular forward references are UNWIRED with no endpoint if they have an SCABinding with NO targets
+                    // and NO URI set - but Callbacks with an SCABinding are wired and need an endpoint
+                    if (!reference.isForCallback() && (binding instanceof SCABinding))
+                        continue;
+
+                    // create endpoint reference for manually configured bindings with a resolved endpoint to
+                    // signify that this reference is pointing at some unwired endpoint
+                    EndpointReference endpointRef = createEndpointRef(component, reference, binding, null, false);
+                    if (binding instanceof SCABinding) {
+                        // Assume that the system needs to resolve this binding later as
+                        // it's the SCA binding
+                        endpointRef.setTargetEndpoint(createEndpoint(true));
+                        endpointRef.setStatus(EndpointReference.Status.NOT_CONFIGURED);
+                    } else {
+                        // The user has configured a binding so assume they know what 
+                        // they are doing and mark in as already resolved. 
+                        endpointRef.setTargetEndpoint(createEndpoint(false));
+                        endpointRef.setStatus(EndpointReference.Status.RESOLVED_BINDING);
+                    }
+                    reference.getEndpointReferences().add(endpointRef);
+                    continue;
+                } // end if
+
+                // user might have put a local target name in the uri - see if it refers to a target we know about
+                // - if it does the reference binding will be matched with a service binding
+                // - if it doesn't it is assumed to be an external reference
+                if (uri.startsWith("/")) {
+                    uri = uri.substring(1);
+                }
+
+                String targetName = getComponentServiceName(uri);
+                String bindingName = getBindingName(uri);
+
+                // Resolve the target component and service
+                ComponentService targetComponentService = componentServices.get(targetName);
+                Component targetComponent = getComponentFromTargetName(components, targetName);
+
+                // If the binding URI matches a component in the composite, configure an endpoint reference with
+                // this component as the target.
+                // If not, the binding URI is assumed to reference an external service
+                if (targetComponentService != null) {
+
+                    // Check that the target component service provides
+                    // a superset of the component reference interface
+                    if (reference.getInterfaceContract() == null || interfaceContractMapper.isCompatibleSubset(reference
+                        .getInterfaceContract(), targetComponentService.getInterfaceContract())) {
+                        if (bindingName != null) {
+                            // the user has selected a binding as part of the target name
+                            Binding targetBinding = null;
+
+                            for (Binding tmp : targetComponentService.getBindings()) {
+                                if (tmp.getName().equals(bindingName)) {
+                                    targetBinding = tmp;
+                                    continue;
+                                }
+                            }
+
+                            if (targetBinding != null) {
+                                EndpointReference endpointRef = createEndpointRef(component, reference, false);
+                                endpointRef.setTargetEndpoint(createEndpoint(targetComponent,
+                                                                             targetComponentService,
+                                                                             targetBinding,
+                                                                             true));
+                                endpointRef.setStatus(EndpointReference.Status.WIRED_TARGET_NOT_FOUND);
+                                // relying on the registry here to resolve the real endpoint
+                                reference.getEndpointReferences().add(endpointRef);
+
+                            } else {
+                                EndpointReference endpointRef = createEndpointRef(component, reference, true);
+                                endpointRef.setTargetEndpoint(createEndpoint(component, targetName));
+                                endpointRef.setStatus(EndpointReference.Status.WIRED_TARGET_NOT_FOUND);
+                                reference.getEndpointReferences().add(endpointRef);
+                                Monitor.warning(monitor,
+                                                this,
+                                                Messages.ASSEMBLY_VALIDATION,
+                                                "ComponentReferenceTargetNotFound",
+                                                composite.getName().toString(),
+                                                targetName);
+                            }
+
+                        } else {
+                            // create endpoint reference with dummy endpoint which will be replaced when policies
+                            // are matched and bindings are configured later
+                            EndpointReference endpointRef =
+                                createEndpointRef(component, reference, binding, null, false);
+                            endpointRef
+                                .setTargetEndpoint(createEndpoint(targetComponent, targetComponentService, true));
+                            endpointRef.setStatus(EndpointReference.Status.WIRED_TARGET_FOUND_READY_FOR_MATCHING);
+                            reference.getEndpointReferences().add(endpointRef);
+                        }
+                    } else {
+                        Monitor.warning(monitor,
+                                        this,
+                                        Messages.ASSEMBLY_VALIDATION,
+                                        "ReferenceIncompatibleInterface",
+                                        composite.getName().toString(),
+                                        reference.getName(),
+                                        uri);
+                    }
+                } else {
+                    // create endpoint reference for manually configured bindings with resolved endpoint
+                    // to signify that this reference is pointing at some unwired endpoint. The endpoint
+                    // is given the configured binding as a representation of the endpoint configuration. 
+                    EndpointReference endpointRef = createEndpointRef(component, reference, binding, null, false);
+                    Endpoint endpoint = createEndpoint(false);
+                    endpoint.setBinding(binding);
+                    endpointRef.setTargetEndpoint(endpoint);
+                    endpointRef.setStatus(EndpointReference.Status.RESOLVED_BINDING);
+                    reference.getEndpointReferences().add(endpointRef);
+                } // end if
+            }
+        }
+
+        monitor.popContext();
+
+    } // end method
+    
+    private boolean intentsMatch(List<Intent> referenceIntents, List<Intent> serviceIntents) {
+        Set<Intent> referenceIntentSet = new HashSet<Intent>(referenceIntents);
+        Set<Intent> serviceIntentSet = new HashSet<Intent>(serviceIntents);
+        return referenceIntentSet.equals(serviceIntentSet);
+    }
+
+    /**
+     * Reference targets have to be resolved in the context in which they are 
+     * defined so they can't be push down the hierarchy during the static build.
+     * So we wait until we have calculated the enpoint references before pushing them 
+     * down. Muliplicity errors will be caught by the multiplicity validation check that
+     * comes next 
+     * 
+     * @param composite
+     * @param component
+     * @param reference
+     * @param monitor
+     */
+    private void pushDownEndpointReferences(Composite composite,
+                                            Component component,
+                                            ComponentReference componentReference,
+                                            Monitor monitor) {
+        Reference reference = componentReference.getReference();
+        
+        if (reference instanceof CompositeReference) {
+            List<ComponentReference> leafComponentReferences = getPromotedComponentReferences((CompositeReference)reference);
+            
+            // for each leaf component reference copy in the endpoint references for this
+            // higher level (promoting) reference
+            // TODO - the elements are inserted starting at 0 here because the code allows references multiplicity 
+            //        validation constraints to be broken if the reference is autowire. At runtime the 
+            //        first one is chosen if max multiplicity is 1. We have an OSOA test that assumes that
+            //        promoted references overwrite leaf references. This insert gives the same effect in the
+            //        autowire case. We need to think about if there is a more correct answer. 
+            for (ComponentReference leafRef : leafComponentReferences){
+                int insertLocation = 0;
+                for (EndpointReference epr : componentReference.getEndpointReferences()){
+                    // copy the epr
+                    EndpointReference eprCopy = copyHigherReference(epr, leafRef);
+                    leafRef.getEndpointReferences().add(insertLocation, eprCopy);
+                    insertLocation++;
+                }
+            }
+        }
+        
+        // TODO - what to do about callbacks in the reference promotion case
+    }
+    
+    /**
+     * Follow a reference promotion chain down to the innermost (non composite)
+     * component references.
+     * 
+     * @param compositeReference
+     * @return
+     */
+    private List<ComponentReference> getPromotedComponentReferences(CompositeReference compositeReference) {
+        List<ComponentReference> componentReferences = new ArrayList<ComponentReference>();
+        collectPromotedComponentReferences(compositeReference, componentReferences);
+        return componentReferences;
+    }
+
+    /**
+     * Follow a reference promotion chain down to the innermost (non composite)
+     * component references.
+     * 
+     * @param compositeReference
+     * @param componentReferences
+     * @return
+     */
+    private void collectPromotedComponentReferences(CompositeReference compositeReference,
+                                                           List<ComponentReference> componentReferences) {
+        for (ComponentReference componentReference : compositeReference.getPromotedReferences()) {
+            Reference reference = componentReference.getReference();
+            if (reference instanceof CompositeReference) {
+
+                // Continue to follow the reference promotion chain
+                collectPromotedComponentReferences((CompositeReference)reference, componentReferences);
+
+            } else if (reference != null) {
+
+                // Found a non-composite reference
+                componentReferences.add(componentReference);
+            }
+        }
+    }
+    
+    /**
+     * Copy a higher level EndpointReference down to a lower level reference which it promotes 
+     * @param epRef - the endpoint reference
+     * @param promotedReference - the promoted reference
+     * @return - a copy of the EndpointReference with data merged from the promoted reference
+     */
+    private  EndpointReference copyHigherReference(EndpointReference epRef, ComponentReference promotedReference) {
+        EndpointReference epRefClone = null;
+        try {
+            epRefClone = (EndpointReference)epRef.clone();
+        } catch (Exception e) {
+            throw new ServiceRuntimeException(e);
+            // Ignore (we know that EndpointReference2 can be cloned)
+        } // end try
+        // Copy across details of the inner reference
+        // ComponentReference ref = epRefClone.getReference();
+        //FIXME
+        epRefClone.setReference(promotedReference);
+        return epRefClone;
+    }   
+
+    private void validateReferenceMultiplicity(Composite composite, Component component, Monitor monitor) {
+        for (ComponentReference componentReference : component.getReferences()) {
+            if (!validateMultiplicity(componentReference.getMultiplicity(),
+                                      componentReference.getEndpointReferences())) {
+                if (componentReference.getEndpointReferences().isEmpty()) {
+
+                    // No error if the reference is promoted out of the current composite
+                    boolean promoted = false;
+                    for (Reference reference : composite.getReferences()) {
+                        CompositeReference compositeReference = (CompositeReference)reference;
+                        if (compositeReference.getPromotedReferences().contains(componentReference)) {
+                            promoted = true;
+                            break;
+                        }
+                    }
+                    if (!promoted && !componentReference.isForCallback() && !componentReference.isWiredByImpl()) {
+                        Monitor.error(monitor,
+                                      this,
+                                      Messages.ASSEMBLY_VALIDATION,
+                                      "ReferenceWithoutTargets",
+                                      composite.getName().toString(),
+                                      componentReference.getName());
+                    }
+                } else {
+                    // no error if reference is autowire and more targets
+                    // than multiplicity have been found 
+                    if (Boolean.TRUE.equals(componentReference.getAutowire())) {
+                        break;
+                    }
+
+                    Monitor.error(monitor,
+                                  this,
+                                  Messages.ASSEMBLY_VALIDATION,
+                                  "TooManyReferenceTargets",
+                                  componentReference.getName());
+                }
+            }
+        }
+
+    }
+    
+    private boolean validateMultiplicity(Multiplicity multiplicity, List<EndpointReference> endpointReferences) {
+
+        // In some tests multiplicity is not set
+        if (multiplicity == null) {
+            return true;
+        }
+
+        // Count targets
+        int count = endpointReferences.size();
+
+        switch (multiplicity) {
+            case ZERO_N:
+                break;
+            case ZERO_ONE:
+                if (count > 1) {
+                    return false;
+                }
+                break;
+            case ONE_ONE:
+                if (count != 1) {
+                    return false;
+                }
+                break;
+            case ONE_N:
+                if (count < 1) {
+                    return false;
+                }
+                break;
+        }
+        return true;
+    }    
+
+    /**
+     * Evaluates whether the bindings attached to a reference identify one or more target services.
+     * @param reference - the reference
+     * @return true if the bindings identify a target, false otherwise
+     */
+    private boolean bindingsIdentifyTargets(ComponentReference reference) {
+        for (Binding binding : reference.getBindings()) {
+            // <binding.sca without a URI does not identify a target
+            if ((binding instanceof SCABinding) && (binding.getURI() == null))
+                continue;
+            // any other binding implies a target
+            // TODO Processing for other binding types
+            return true;
+        } // end for
+        return false;
+    } // end bindingsIdentifyTargets
+
+    /**
+     * Helper method which obtains a list of targets for a reference
+     * @param reference - Component reference
+     * @return - the list of targets, which will be empty if there are no targets
+     */
+    private List<ComponentService> getReferenceTargets(ComponentReference reference) {
+        List<ComponentService> theTargets = reference.getTargets();
+        if (theTargets.isEmpty()) {
+            // Component reference list of targets is empty, try the implementation reference
+            if (reference.getReference() != null) {
+                theTargets = reference.getReference().getTargets();
+            } // end if
+        } // end if
+        return theTargets;
+    } // end method getReferenceTargets
+
+    /**
+     * Target names can take the form 
+     *   component/service/binding
+     * This extracts the component/service part
+     * 
+     * @param targetName
+     * @return String the component/service name
+     */
+    private String getComponentServiceName(String targetName) {
+        String[] parts = targetName.split("/");
+
+        if (parts.length > 1) {
+            return parts[0] + "/" + parts[1];
+        } else {
+            return parts[0];
+        }
+    }
+
+    /**
+     * Target names can take the form 
+     *   component/service/binding
+     * This extracts the binding part and returns
+     * it. If there is no binding part it returns null
+     * 
+     * @param targetName
+     * @return String the binding name or null if there is no binding name
+     */
+    private String getBindingName(String targetName) {
+        String[] parts = targetName.split("/");
+
+        if (parts.length == 3) {
+            return parts[2];
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Helper method that finds the Component given a target name
+     * @param components
+     * @param targetName
+     * @return the component
+     */
+    private Component getComponentFromTargetName(Map<String, Component> components, String targetName) {
+        Component theComponent;
+        int s = targetName.indexOf('/');
+        if (s == -1) {
+            theComponent = components.get(targetName);
+        } else {
+            theComponent = components.get(targetName.substring(0, s));
+        }
+        return theComponent;
+    } // end method getComponentFromTargetName
+
+    /**
+     * Helper method to create an Endpoint Reference
+     * @param component
+     * @param reference
+     * @param binding
+     * @param endpoint
+     * @param unresolved
+     * @return the endpoint reference
+     */
+    private EndpointReference createEndpointRef(Component component,
+                                                ComponentReference reference,
+                                                Binding binding,
+                                                Endpoint endpoint,
+                                                boolean unresolved) {
+        EndpointReference endpointRef = createEndpointRef(component, reference, unresolved);
+        endpointRef.setBinding(binding);
+        endpointRef.setTargetEndpoint(endpoint);
+        return endpointRef;
+    } // end method
+
+    /**
+     * Helper method to create an Endpoint Reference
+     * @param component
+     * @param reference
+     * @param unresolved
+     * @return the endpoint reference
+     */
+    private EndpointReference createEndpointRef(Component component, ComponentReference reference, boolean unresolved) {
+        EndpointReference endpointRef = assemblyFactory.createEndpointReference();
+        endpointRef.setComponent(component);
+        endpointRef.setReference(reference);
+        endpointRef.setUnresolved(unresolved);
+        return endpointRef;
+    } // end method createEndpointRef
+
+    /**
+     * Helper method to create an endpoint
+     * @param component
+     * @param service
+     * @param unresolved
+     * @return the endpoint
+     */
+    private Endpoint createEndpoint(Component component, ComponentService service, boolean unresolved) {
+        Endpoint endpoint = createEndpoint(unresolved);
+        endpoint.setComponent(component);
+        endpoint.setService(service);
+        endpoint.setUnresolved(unresolved);
+        return endpoint;
+    } // end method createEndpoint
+
+    /**
+     * Helper method to create an endpoint
+     * @param component
+     * @param service
+     * @param binding
+     * @param unresolved
+     * @return the endpoint
+     */
+    private Endpoint createEndpoint(Component component, ComponentService service, Binding binding, boolean unresolved) {
+        Endpoint endpoint = createEndpoint(unresolved);
+        endpoint.setComponent(component);
+        endpoint.setService(service);
+        endpoint.setBinding(binding);
+        endpoint.setUnresolved(unresolved);
+        return endpoint;
+    } // end method createEndpoint    
+
+    /**
+     * Helper method to create an Endpoint
+     * @param unresolved
+     * @return the endpoint
+     */
+    private Endpoint createEndpoint(boolean unresolved) {
+        Endpoint endpoint = assemblyFactory.createEndpoint();
+        endpoint.setUnresolved(unresolved);
+        return endpoint;
+    } // end method createEndpoint
+
+    /**
+     * Helper method to create an Endpoint
+     *
+     * @param component The component that owns the reference
+     * @param targetName It can be one of the following formats
+     * <ul>
+     * <li>componentName
+     * <li>componentName/serviceName
+     * <li>componentName/serviceName/bindingName
+     * </ul>
+     * @return the endpoint
+     */
+    private Endpoint createEndpoint(Component component, String targetName) {
+        String[] parts = targetName.split("/");
+        if (parts.length < 1 || parts.length > 3) {
+            throw new IllegalArgumentException("Invalid target URI: " + targetName);
+        }
+
+        // Find the parent uri
+        String uri = component.getURI();
+        int index = uri.lastIndexOf('/');
+        if (index == -1) {
+            uri = "";
+        } else {
+            uri = uri.substring(0, index);
+        }
+
+        if (parts.length >= 1) {
+            // Append the target component name
+            if (uri.length() == 0) {
+                uri = parts[0];
+            } else {
+                uri = uri + "/" + parts[0];
+            }
+        }
+        if (parts.length == 3) {
+            // <componentURI>#service-binding(serviceName/bindingName)
+            uri = uri + "#service-binding(" + parts[1] + "/" + parts[2] + ")";
+        } else if (parts.length == 2) {
+            // <componentURI>#service(serviceName)
+            uri = uri + "#service(" + parts[1] + ")";
+        }
+
+        Endpoint endpoint = assemblyFactory.createEndpoint();
+        endpoint.setUnresolved(true);
+        endpoint.setURI(uri);
+        return endpoint;
+    } // end method createEndpoint
+
+    /**
+     * ASM_5021: where a <reference/> of a <component/> has @autowire=true 
+     * and where the <reference/> has a <binding/> child element which 
+     * declares a single target service,  the reference is wired only to 
+     * the single service identified by the <wire/> element
+     */
+    private void setSingleAutoWireTarget(ComponentReference reference) {
+        if (reference.getEndpointReferences().size() > 1 && reference.getBindings() != null
+            && reference.getBindings().size() == 1) {
+            String uri = reference.getBindings().get(0).getURI();
+            if (uri != null) {
+                if (uri.indexOf('/') > -1) {
+                    // TODO: must be a way to avoid this fiddling
+                    int i = uri.indexOf('/');
+                    String c = uri.substring(0, i);
+                    String s = uri.substring(i + 1);
+                    uri = c + "#service(" + s + ")";
+                }
+                for (EndpointReference er : reference.getEndpointReferences()) {
+                    if (er.getTargetEndpoint() != null && uri.equals(er.getTargetEndpoint().getURI())) {
+                        reference.getEndpointReferences().clear();
+                        reference.getEndpointReferences().add(er);
+                        return;
+                    }
+                }
+            }
+        }
+    }
+
+} // end class
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/WireMatcherImpl.java b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/WireMatcherImpl.java
new file mode 100644
index 0000000000..761f53ff11
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/java/org/apache/tuscany/sca/builder/impl/WireMatcherImpl.java
@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint;
+import org.apache.tuscany.sca.assembly.builder.PolicyBuilder;
+import org.apache.tuscany.sca.assembly.builder.WireBuilder;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+
+/**
+ * 
+ */
+public class WireMatcherImpl implements WireBuilder {
+    private InterfaceContractMapper interfaceContractMapper;
+    private BuilderExtensionPoint builderExtensionPoint;
+
+    /**
+     * @param registry
+     */
+    public WireMatcherImpl(ExtensionPointRegistry registry) {
+        super();
+        this.builderExtensionPoint = registry.getExtensionPoint(BuilderExtensionPoint.class);
+        UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
+        this.interfaceContractMapper = utilities.getUtility(InterfaceContractMapper.class);
+    }
+
+    public boolean build(EndpointReference endpointReference, Endpoint endpoint, BuilderContext context) {
+        InterfaceContract sourceIC = endpointReference.getComponentReferenceInterfaceContract();
+        InterfaceContract targetIC = endpoint.getComponentServiceInterfaceContract();
+        if (!interfaceContractMapper.isCompatibleSubset(sourceIC, targetIC)) {
+            return false;
+        }
+        for (PolicyBuilder policyBuilder : builderExtensionPoint.getPolicyBuilders()) {
+            if (!policyBuilder.build(endpointReference, endpoint, context)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/resources/META-INF/services/org.apache.tuscany.sca.assembly.builder.CompositeBuilder b/sandbox/sebastien/java/dynamic/modules/builder/src/main/resources/META-INF/services/org.apache.tuscany.sca.assembly.builder.CompositeBuilder
new file mode 100644
index 0000000000..f7b8a0374f
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/resources/META-INF/services/org.apache.tuscany.sca.assembly.builder.CompositeBuilder
@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one

+# or more contributor license agreements.  See the NOTICE file

+# distributed with this work for additional information

+# regarding copyright ownership.  The ASF licenses this file

+# to you under the Apache License, Version 2.0 (the

+# "License"); you may not use this file except in compliance

+# with the License.  You may obtain a copy of the License at

+# 

+#   http://www.apache.org/licenses/LICENSE-2.0

+# 

+# Unless required by applicable law or agreed to in writing,

+# software distributed under the License is distributed on an

+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

+# KIND, either express or implied.  See the License for the

+# specific language governing permissions and limitations

+# under the License. 

+org.apache.tuscany.sca.builder.impl.ModelBuilderImpl;id=org.apache.tuscany.sca.assembly.builder.CompositeBuilder

+

diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/main/resources/org/apache/tuscany/sca/builder/builder-validation-messages.properties b/sandbox/sebastien/java/dynamic/modules/builder/src/main/resources/org/apache/tuscany/sca/builder/builder-validation-messages.properties
new file mode 100644
index 0000000000..62280ac5c0
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/main/resources/org/apache/tuscany/sca/builder/builder-validation-messages.properties
@@ -0,0 +1,35 @@
+#
+#
+#    Licensed to the Apache Software Foundation (ASF) under one
+#    or more contributor license agreements. See the NOTICE file
+#    distributed with this work for additional information
+#    regarding copyright ownership. The ASF licenses this file
+#    to you under the Apache License, Version 2.0 (the
+#    "License"); you may not use this file except in compliance
+#    with the License. You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing,
+#    software distributed under the License is distributed on an
+#    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+#    KIND, either express or implied. See the License for the
+#    specific language governing permissions and limitations
+#    under the License.
+#
+#
+
+# there are a whole stack of builder related messages that
+# are still yet to be moved here from assembly-validation-messages.properties
+PolicyAttachedToProperty = [POL40002] The policy {0} has been attached to a property or one of its children. This is not allowed.
+PolicyDOMModelMissmatch = The DOM node which has been found as a result of evaluating the XPath attachment of policy {0} cannot be mapped back to an element in the SCA model. The structural URI of the node is {1}
+MultiplePolicyLanguagesInEP = The policy sets for endpoint {0} contain policies specified in more than one language {1}
+MultiplePolicyLanguagesInEPR = The policy sets for endpoint reference {0} contain policies specified in more than one language {1}  
+MultiplePolicyLanguagesInImpl = The policy sets for component {0} implementation contain policies specified in more than one language {1}
+JaxWSClientAsyncMethodsNotAllowed = [JCA100006] JAX-WS client-side asynchronous polling and callback methods are not allowed in service interfaces
+PolicySetNotFoundAtBuild = PolicySet {0} is not defined in SCA definitions
+IntentNotSatisfiedAtBuild  = The intent {0} associated with policy subject {1} has no matching policy set
+MutuallyExclusiveIntentsAtBuild = [POL40009,ASM60009,ASM60010,JCA70001,JCA70003] Intent {0} and {1} are mutually exclusive
+IntentNotFoundAtBuild = Intent {0} is not defined in SCA definitions
+NoListenerIntentSpecifiedOnService = The noListener intent may only be specified on a reference.
+
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/BuildPolicyTestCase.java b/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/BuildPolicyTestCase.java
new file mode 100644
index 0000000000..b3586a2346
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/BuildPolicyTestCase.java
@@ -0,0 +1,132 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.net.URI;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.contribution.processor.DefaultURLArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.ExtensibleURLArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.resolver.DefaultModelResolver;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.definitions.Definitions;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.MonitorFactory;
+import org.apache.tuscany.sca.policy.PolicySubject;
+import org.junit.BeforeClass;
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ * Test reading SCA XML assembly documents.
+ *
+ * @version $Rev$ $Date$
+ */
+public class BuildPolicyTestCase {
+    private static URLArtifactProcessor<Object> documentProcessor;
+    private static URLArtifactProcessor<Definitions> policyDefinitionsProcessor;
+    private static ModelResolver resolver;
+    private static CompositeBuilder compositeBuilder;
+    private static Composite composite;
+    private static Monitor monitor;
+    private static ProcessorContext context;
+    
+    @BeforeClass
+    public static void setUp() throws Exception {
+        DefaultExtensionPointRegistry extensionPoints = new DefaultExtensionPointRegistry();
+        context = new ProcessorContext(extensionPoints);
+
+        compositeBuilder =
+            extensionPoints.getExtensionPoint(BuilderExtensionPoint.class)
+                .getCompositeBuilder("org.apache.tuscany.sca.assembly.builder.CompositeBuilder");
+
+        List<Definitions> policyDefinitions = new ArrayList<Definitions>();
+        resolver = new DefaultModelResolver();
+
+        UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
+        MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class);
+        monitor = monitorFactory.createMonitor();
+
+        URLArtifactProcessorExtensionPoint documentProcessors =
+            new DefaultURLArtifactProcessorExtensionPoint(extensionPoints);
+        documentProcessor = new ExtensibleURLArtifactProcessor(documentProcessors);
+        policyDefinitionsProcessor = documentProcessors.getProcessor(Definitions.class);
+
+        StAXArtifactProcessorExtensionPoint staxProcessors =
+            extensionPoints.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
+        staxProcessors.addArtifactProcessor(new TestPolicyProcessor());
+
+        URL url = BuildPolicyTestCase.class.getResource("Calculator.composite");
+        URI uri = URI.create("TestAllCalculator.composite");
+        composite = (Composite)documentProcessor.read(null, uri, url, context);
+        assertNotNull(composite);
+
+        url = BuildPolicyTestCase.class.getResource("test_definitions.xml");
+        uri = URI.create("test_definitions.xml");
+        Definitions definitions = (Definitions)policyDefinitionsProcessor.read(null, uri, url, context);
+        assertNotNull(definitions);
+        policyDefinitions.add(definitions);
+
+        documentProcessor.resolve(definitions, resolver, context);
+        documentProcessor.resolve(composite, resolver, context);
+
+        BuilderContext builderContext = new BuilderContext(definitions, null, monitor);
+        compositeBuilder.build(composite, builderContext);
+    }
+
+    @Test
+    @Ignore("There are so many errors with this composite the builder doesn't have enough to go on")
+    public void testPolicyIntentInheritance() throws Exception {
+        String namespaceUri = "http://test";
+
+        PolicySubject policiedComposite = composite;
+        assertEquals(policiedComposite.getRequiredIntents().size(), 1);
+        assertEquals(policiedComposite.getRequiredIntents().get(0).getName(),
+                     new QName(namespaceUri, "tuscanyIntent_1"));
+
+        Component component = composite.getComponents().get(0);
+        Endpoint ep = component.getServices().get(0).getEndpoints().get(0);
+        EndpointReference epr = component.getReferences().get(0).getEndpointReferences().get(0);
+
+        System.out.println(ep.getRequiredIntents());
+        System.out.println(epr.getRequiredIntents());
+    }
+
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/CompositeBuilderTestCase.java b/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/CompositeBuilderTestCase.java
new file mode 100644
index 0000000000..a99d0df91c
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/CompositeBuilderTestCase.java
@@ -0,0 +1,139 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import static org.junit.Assert.assertTrue;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.CompositeReference;
+import org.apache.tuscany.sca.assembly.CompositeService;
+import org.apache.tuscany.sca.assembly.DefaultAssemblyFactory;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.monitor.DefaultMonitorFactory;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.MonitorFactory;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ * Test the CompositeBuilder.
+ *
+ * @version $Rev$ $Date$
+ */
+public class CompositeBuilderTestCase {
+
+    private static AssemblyFactory assemblyFactory;
+    private static Monitor monitor;
+
+    @BeforeClass
+    public static void setUp() throws Exception {
+        assemblyFactory = new DefaultAssemblyFactory();
+        MonitorFactory mf = new DefaultMonitorFactory();
+        monitor = mf.createMonitor();
+    }
+
+    @Test
+    public void testFuseIncludes() throws Exception {
+        Composite c1 = assemblyFactory.createComposite();
+        c1.setName(new QName("http://foo", "C1"));
+        Component a = assemblyFactory.createComponent();
+        a.setName("a");
+        c1.getComponents().add(a);
+        CompositeService s = assemblyFactory.createCompositeService();
+        s.setName("s");
+        c1.getServices().add(s);
+        CompositeReference r = assemblyFactory.createCompositeReference();
+        r.setName("r");
+        c1.getReferences().add(r);
+
+        Composite c2 = assemblyFactory.createComposite();
+        c2.setName(new QName("http://foo", "C2"));
+        c1.getIncludes().add(c2);
+        Component b = assemblyFactory.createComponent();
+        b.setName("b");
+        c2.getComponents().add(b);
+
+        Composite c = assemblyFactory.createComposite();
+        c.setName(new QName("http://foo", "C"));
+        c.getIncludes().add(c1);
+
+        new CompositeIncludeBuilderImpl().build(c, new BuilderContext(monitor));
+
+        assertTrue(c.getComponents().get(0).getName().equals("a"));
+        assertTrue(c.getComponents().get(1).getName().equals("b"));
+        assertTrue(c.getServices().get(0).getName().equals("s"));
+        assertTrue(c.getReferences().get(0).getName().equals("r"));
+    }
+
+    @Test
+    public void testExpandComposites() throws Exception {
+        Composite c1 = assemblyFactory.createComposite();
+        c1.setName(new QName("http://foo", "C1"));
+        Component a = assemblyFactory.createComponent();
+        a.setName("a");
+        c1.getComponents().add(a);
+        CompositeService s = assemblyFactory.createCompositeService();
+        s.setName("s");
+        c1.getServices().add(s);
+        CompositeReference r = assemblyFactory.createCompositeReference();
+        r.setName("r");
+        c1.getReferences().add(r);
+
+        Composite c2 = assemblyFactory.createComposite();
+        c2.setName(new QName("http://foo", "C2"));
+        Component b = assemblyFactory.createComponent();
+        b.setName("b");
+        c2.getComponents().add(b);
+
+        Composite c = assemblyFactory.createComposite();
+        c.setName(new QName("http://foo", "C"));
+        Component x = assemblyFactory.createComponent();
+        x.setName("x");
+        x.setImplementation(c1);
+        c.getComponents().add(x);
+        Component y = assemblyFactory.createComponent();
+        y.setName("y");
+        y.setImplementation(c2);
+        c.getComponents().add(y);
+        Component z = assemblyFactory.createComponent();
+        z.setName("z");
+        z.setImplementation(c1);
+        c.getComponents().add(z);
+
+        new CompositeCloneBuilderImpl().build(c, new BuilderContext(monitor));
+
+        assertTrue(c.getComponents().get(0).getImplementation() != c1);
+        assertTrue(c.getComponents().get(1).getImplementation() != c2);
+        assertTrue(c.getComponents().get(2).getImplementation() != c1);
+
+        Composite i = (Composite)c.getComponents().get(0).getImplementation();
+        assertTrue(i.getComponents().get(0) != a);
+        assertTrue(i.getComponents().get(0).getName().equals("a"));
+        assertTrue(i.getServices().get(0).getName().equals("s"));
+        assertTrue(i.getServices().get(0) != s);
+        assertTrue(i.getReferences().get(0).getName().equals("r"));
+        assertTrue(i.getReferences().get(0) != r);
+    }
+
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/MockPolicy.java b/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/MockPolicy.java
new file mode 100644
index 0000000000..dac50ec227
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/MockPolicy.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import javax.xml.namespace.QName;
+
+/**
+ * Mocked Policy
+ */
+public class MockPolicy {
+    public QName getName() {
+        return new QName("http://schemas.xmlsoap.org/ws/2004/09/policy", "PolicyAttachment");
+    }
+
+    public boolean isUnresolved() {
+        return false;
+    }
+
+    public void setUnresolved(boolean unresolved) {
+    }
+
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/PolicyAttachmentTestCase.java b/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/PolicyAttachmentTestCase.java
new file mode 100644
index 0000000000..9102257b77
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/PolicyAttachmentTestCase.java
@@ -0,0 +1,151 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.builder.impl;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Base;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.builder.BuilderContext;
+import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.definitions.Definitions;
+import org.apache.tuscany.sca.monitor.DefaultMonitorFactory;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.MonitorFactory;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ * Test reading SCA XML assembly documents.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class PolicyAttachmentTestCase {
+
+    private static StAXArtifactProcessor<Object> staxProcessor;
+    private static Monitor monitor;
+
+    private static ExtensionPointRegistry extensionPoints;
+    private static XMLInputFactory inputFactory;
+    private static AssemblyFactory assemblyFactory;
+    private static BuilderExtensionPoint builders;
+    private static ProcessorContext context;
+
+    @BeforeClass
+    public static void init() throws Exception {
+        extensionPoints = new DefaultExtensionPointRegistry();
+        context = new ProcessorContext(extensionPoints);
+
+        FactoryExtensionPoint factories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
+        assemblyFactory = factories.getFactory(AssemblyFactory.class);
+        inputFactory = factories.getFactory(XMLInputFactory.class);
+        // Create a monitor
+        UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
+        MonitorFactory monitorFactory = new DefaultMonitorFactory();
+        if (monitorFactory != null) {
+            monitor = monitorFactory.createMonitor();
+            utilities.addUtility(monitorFactory);
+        }
+        StAXArtifactProcessorExtensionPoint staxProcessors =
+            extensionPoints.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
+        staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, inputFactory, null);
+        staxProcessors.addArtifactProcessor(new TestPolicyProcessor());
+
+        builders = extensionPoints.getExtensionPoint(BuilderExtensionPoint.class);
+    }
+
+    @Test
+    public void testBuild() throws Exception {
+        Definitions definitions = load("test_definitions.xml");
+        Composite composite = load("Calculator.composite");
+        
+        CompositeBuilder uriBuilder = new StructuralURIBuilderImpl(extensionPoints);
+
+        BuilderContext builderContext = new BuilderContext(extensionPoints);
+        builderContext.setDefinitions(definitions);
+        composite = uriBuilder.build(composite, builderContext);
+        PolicyAttachmentBuilderImpl builder = new PolicyAttachmentBuilderImpl(extensionPoints);
+        builder.build(composite, builderContext);
+    }
+
+    private <T> T load(String file) throws IOException, XMLStreamException, ContributionReadException {
+        URL url = getClass().getResource(file);
+        InputStream urlStream = url.openStream();
+        XMLStreamReader reader = inputFactory.createXMLStreamReader(urlStream);
+        reader.nextTag();
+
+        T model = (T)staxProcessor.read(reader, context);
+        reader.close();
+        return model;
+    }
+
+    @Test
+    public void testComplexBuild() throws Exception {
+        Definitions definitions = load("definitions.xml");
+        Composite composite1 = load("Composite1.composite");
+        Composite composite2 = load("Composite2.composite");
+        Composite composite3 = load("Composite3.composite");
+        Composite composite4 = load("Composite4.composite");
+        composite1.getIncludes().clear();
+        composite1.getIncludes().add(composite3);
+
+        composite1.getComponent("Component1B").setImplementation(composite4);
+        composite2.getComponent("Component2B").setImplementation(composite4);
+
+        Composite domainComposite = assemblyFactory.createComposite();
+        domainComposite.setName(new QName(Base.SCA11_NS, ""));
+        domainComposite.setLocal(false);
+        domainComposite.getIncludes().add(composite1);
+        domainComposite.getIncludes().add(composite2);
+
+        CompositeBuilder includeBuilder = new CompositeIncludeBuilderImpl();
+        CompositeBuilder cloneBuilder = new CompositeCloneBuilderImpl();
+        CompositeBuilder uriBuilder = new StructuralURIBuilderImpl(extensionPoints);
+
+        BuilderContext context = new BuilderContext(extensionPoints);
+        context.setDefinitions(definitions);
+        domainComposite = cloneBuilder.build(domainComposite, context);
+        domainComposite = includeBuilder.build(domainComposite, context);
+        domainComposite = uriBuilder.build(domainComposite, context);
+
+        PolicyAttachmentBuilderImpl builder = new PolicyAttachmentBuilderImpl(extensionPoints);
+        domainComposite = builder.build(domainComposite, context);
+
+    }
+
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/TestPolicyProcessor.java b/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/TestPolicyProcessor.java
new file mode 100644
index 0000000000..1201b6e36f
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/java/org/apache/tuscany/sca/builder/impl/TestPolicyProcessor.java
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.builder.impl;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.processor.ContributionWriteException;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+
+/**
+ * A PolicyProcessor used for testing.
+ *
+ * @version $Rev$ $Date$
+ */
+public class TestPolicyProcessor implements StAXArtifactProcessor<MockPolicy> {
+    public QName getArtifactType() {
+        return new QName("http://schemas.xmlsoap.org/ws/2004/09/policy", "PolicyAttachment");
+    }
+
+    public MockPolicy read(XMLStreamReader arg0, ProcessorContext context) throws ContributionReadException, XMLStreamException {
+        return new MockPolicy();
+    }
+
+    public void write(MockPolicy arg0, XMLStreamWriter arg1, ProcessorContext context) throws ContributionWriteException, XMLStreamException {
+    }
+
+    public Class<MockPolicy> getModelType() {
+        return MockPolicy.class;
+    }
+
+    public void resolve(MockPolicy arg0, ModelResolver arg1, ProcessorContext context) throws ContributionResolveException {
+
+    }
+
+}
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Calculator.composite b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Calculator.composite
new file mode 100644
index 0000000000..0e7aad877e
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Calculator.composite
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+-->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+           targetNamespace="http://sample"
+           xmlns:sample="http://sample"
+           name="Calculator">
+
+    <component name="CalculatorServiceComponent" requires="confidentiality">
+		<implementation.java class="calculator.CalculatorServiceImpl" xmlns:test="http://test" requiers="test:TestIntentOne"/>
+        <reference name="addService" target="AddServiceComponent" />
+        <reference name="subtractService" target="SubtractServiceComponent" />
+        <reference name="multiplyService" target="MultiplyServiceComponent" />
+        <reference name="divideService" target="DivideServiceComponent" />
+    </component>
+
+    <component name="AddServiceComponent">
+        <implementation.java class="calculator.AddServiceImpl"/>
+    </component>
+
+    <component name="SubtractServiceComponent">
+        <implementation.java class="calculator.SubtractServiceImpl"/>
+    </component>
+
+    <component name="MultiplyServiceComponent">
+        <implementation.java class="calculator.MultiplyServiceImpl"/>
+    </component>
+
+    <component name="DivideServiceComponent">
+        <implementation.java class="calculator.DivideServiceImpl"/>
+    </component>
+
+</composite>
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Composite1.composite b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Composite1.composite
new file mode 100644
index 0000000000..584f27eea7
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Composite1.composite
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+-->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+           targetNamespace="http://sample"
+           xmlns:sample="http://sample"
+           name="Composite1">
+    <include composite="sample:Composite3"/>
+    
+    <component name="Component1A">
+        <implementation.java class="sample.Component1AImpl"/>
+    </component>
+    
+    <component name="Component1B">
+        <implementation.composite name="sample:Composite4"/>
+    </component>
+
+</composite>
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Composite2.composite b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Composite2.composite
new file mode 100644
index 0000000000..12cf984b88
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Composite2.composite
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+-->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+           targetNamespace="http://sample"
+           xmlns:sample="http://sample"
+           name="Composite2">
+
+    <component name="Component2A">
+        <implementation.java class="sample.Component2AImpl"/>
+    </component>
+    
+    <component name="Component2B">
+        <implementation.composite name="sample:Composite4"/>
+    </component>    
+
+</composite>
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Composite3.composite b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Composite3.composite
new file mode 100644
index 0000000000..e6be99195e
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Composite3.composite
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+-->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+           targetNamespace="http://sample"
+           xmlns:sample="http://sample"
+           name="Composite3">
+
+    <component name="Component3A">
+        <implementation.java class="sample.Component3AImpl"/>
+    </component>
+
+</composite>
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Composite4.composite b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Composite4.composite
new file mode 100644
index 0000000000..02167e43cf
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/Composite4.composite
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+-->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+           targetNamespace="http://sample"
+           xmlns:sample="http://sample"
+           name="Composite4">
+
+    <service name="Service1" promote="Component4A/Service1"/>
+    <reference name="reference1" promote="Component4A/reference1"/>
+    
+    <component name="Component4A">
+        <implementation.java class="sample.Component4AImpl"/>
+    </component>
+
+</composite>
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/definitions.xml b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/definitions.xml
new file mode 100644
index 0000000000..5b22d5b596
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/definitions.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="ASCII"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+-->
+<definitions 
+    xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912" 
+    targetNamespace="http://sample"
+    xmlns:sample="http://sample" 
+    xmlns:sca="http://docs.oasis-open.org/ns/opencsa/sca/200912">
+
+    <policySet name="PolicySet1" appliesTo="sca:implementation.java"
+        attachTo = "//composite[@name='']">
+    </policySet>
+
+    <policySet name="PolicySet2" appliesTo="sca:implementation.java"
+        attachTo = "//component[@name='Component3A']">
+    </policySet>
+
+    <policySet name="PolicySet3" appliesTo="sca:binding.ws"
+        attachTo = "//sca:component[sca:URIRef('Component2B/Component4A')]">
+    </policySet>
+
+</definitions>
\ No newline at end of file
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/scenario.odg b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/scenario.odg
new file mode 100644
index 0000000000..a010bb1bf1
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/scenario.odg
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/scenario.png b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/scenario.png
new file mode 100644
index 0000000000..e1f78f6423
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/scenario.png
diff --git a/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/test_definitions.xml b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/test_definitions.xml
new file mode 100644
index 0000000000..dc7f5c422c
--- /dev/null
+++ b/sandbox/sebastien/java/dynamic/modules/builder/src/test/resources/org/apache/tuscany/sca/builder/impl/test_definitions.xml
@@ -0,0 +1,207 @@
+<?xml version="1.0" encoding="ASCII"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+-->
+<definitions xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912" targetNamespace="http://test"
+    xmlns:test="http://test" xmlns:sca="http://docs.oasis-open.org/ns/opencsa/sca/200912">
+
+    <!-- Extension Types Metadata -->
+    <implementationType type="sca:implementation.java" alwaysProvides="test:logging" mayProvide="test:tracing" />
+    <bindingType type="sca:binding.ws" alwaysProvides="test:confidentiality" mayProvide="test:integrity" />
+
+    <!-- Intents and Policysets to assume targetnamespace -->
+    <intent name="TestIntentOne" constrains="sca:binding">
+        <description>
+            Test Intent
+             </description>
+    </intent>
+
+    <intent name="TestIntentTwo" constrains="sca:binding" requires="test:TestIntentOne">
+        <description>
+            Protect messages from unauthorized reading or modification
+             </description>
+    </intent>
+
+    <policySet name="TestPolicySetOne" provides="test:TestIntentOne" appliesTo="sca:binding.ws"
+        attachTo = "//sca:component[@name='CalculatorServiceComponent']/sca:reference[@name='addService']"
+        xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912" xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy">
+        <wsp:PolicyAttachment>
+            <!-- policy expression and policy subject for
+                 "basic authentication" -->
+        </wsp:PolicyAttachment>
+        <wsp:PolicyAttachment>
+            <!-- policy expression and policy subject for
+                "reliability" -->
+        </wsp:PolicyAttachment>
+    </policySet>
+
+    <!-- POLICY SETS -->
+    <policySet name="SecureReliablePolicy" provides="test:confidentiality.transport test:integrity" appliesTo="sca:binding.ws"
+        xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912" xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy">
+        <wsp:PolicyAttachment>
+            <!-- policy expression and policy subject for
+                 "basic authentication" -->
+        </wsp:PolicyAttachment>
+        <wsp:PolicyAttachment>
+            <!-- policy expression and policy subject for
+                "reliability" -->
+        </wsp:PolicyAttachment>
+    </policySet>
+
+    <policySet name="SecureMessagingPolicies" provides="test:confidentiality" appliesTo="binding.ws"
+        xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912" xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy">
+        <intentMap provides="test:confidentiality">
+            <qualifier name="transport">
+                <wsp:PolicyAttachment>
+                    <!-- policy expression and policy subject for "transport" alternative -->
+                </wsp:PolicyAttachment>
+                <wsp:PolicyAttachment>...</wsp:PolicyAttachment>
+            </qualifier>
+            <qualifier name="message">
+                <wsp:PolicyAttachment>
+                    <!-- policy expression and policy subject for "message" alternative" -->
+                </wsp:PolicyAttachment>
+            </qualifier>
+        </intentMap>
+    </policySet>
+
+    <policySet name="SecurityPolicy" provides="test:confidentiality" appliesTo="binding.ws"
+        xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912" xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy">
+        <intentMap provides="test:confidentiality">
+            <qualifier name="message">
+                <wsp:PolicyAttachment>
+                    <!-- policy attachment for body encryption -->
+                </wsp:PolicyAttachment>
+                <wsp:PolicyAttachment>
+                    <!-- policy attachment for whole message encryption -->
+                </wsp:PolicyAttachment>
+            </qualifier>
+            <qualifier name="transport">
+                <wsp:PolicyAttachment>
+                    <!-- policy attachment for transport encryption -->
+                </wsp:PolicyAttachment>
+            </qualifier>
+        </intentMap>
+    </policySet>
+
+    <policySet name="BasicAuthMsgProtSecurity" provides="test:authentication test:confidentiality" appliesTo="binding.ws"
+        xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912">
+        <policySetReference name="test:AuthenticationPolicies" />
+        <policySetReference name="test:ConfidentialityPolicies" />
+    </policySet>
+
+    <policySet name="AuthenticationPolicies" provides="test:authentication" appliesTo="binding.ws"
+        xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912" xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy">
+        <wsp:PolicyAttachment>
+            <!-- policy expression and policy subject for "basic
+        authentication" -->
+        </wsp:PolicyAttachment>
+    </policySet>
+
+    <policySet name="ConfidentialityPolicies" provides="test:confidentiality" appliesTo="binding.ws"
+        xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912" xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy">
+        <intentMap provides="test:confidentiality">
+            <qualifier name="transport">
+                <wsp:PolicyAttachment>
+                    <!-- policy expression and policy subject for "transport"
+                alternative -->
+                </wsp:PolicyAttachment>
+                <wsp:PolicyAttachment>...</wsp:PolicyAttachment>
+            </qualifier>
+            <qualifier name="message">
+                <wsp:PolicyAttachment>
+                    <!-- policy expression and policy subject for "message"
+                alternative" -->
+                    ...
+                </wsp:PolicyAttachment>
+            </qualifier>
+        </intentMap>
+    </policySet>
+
+    <policySet name="SecureWSPolicy" provides="test:confidentiality" appliesTo="sca:binding.ws"
+        xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912" xmlns:sp="http://schemas.xmlsoap.org/ws/2002/12/secext"
+        xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy">
+        <wsp:Policy>
+            <wsp:ExactlyOne>
+                <wsp:All>
+                    <sp:SecurityToken>
+                        <sp:TokenType>sp:X509v3</sp:TokenType>
+                    </sp:SecurityToken>
+                    <sp:UsernameToken />
+                    <sp:SignedParts />
+                    <sp:EncryptedParts>
+                        <sp:Body />
+                    </sp:EncryptedParts>
+                    <sp:TransportBinding>
+                        <sp:IncludeTimeStamp />
+                    </sp:TransportBinding>
+                </wsp:All>
+            </wsp:ExactlyOne>
+        </wsp:Policy>
+    </policySet>
+
+    <!-- profile intent -->
+    <intent name="reliableMessageProtection" constrains="sca:binding" requires="test:messageProtection">
+        <description>
+            Protect messages from unauthorized reading or modification
+             </description>
+    </intent>
+
+    <intent name="messageProtection" constrains="sca:binding" requires="test:confidentiality test:integrity">
+        <description>
+            Protect messages from unauthorized reading or modification
+             </description>
+    </intent>
+
+    <!-- simple intent -->
+    <intent name="confidentiality" constrains="sca:binding">
+        <description>
+            Communitcation thro this binding must prevent
+            unauthorized users from reading the messages.
+        </description>
+        <qualifier name="transport" />
+        <qualifier name="message" default="true" />
+    </intent>
+
+    <intent name="integrity" constrains="sca:binding">
+        <description>
+            Communitcation thro this binding must prevent
+            unauthorized modification of the messages.
+             </description>
+    </intent>
+
+    <intent name="authentication" constrains="sca:binding">
+        <description>
+            Communitcation thro this binding required
+            Authentication.
+             </description>
+    </intent>
+
+    <intent name="logging" constrains="sca:implementation">
+        <description>
+            All messages to and from this implementation must be logged
+             </description>
+    </intent>
+
+    <intent name="tracing" constrains="sca:implementation.java">
+        <description>
+            Need to figure out some description for this 
+             </description>
+    </intent>
+
+</definitions>
\ No newline at end of file