Fix TUSCANY-2446

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@672939 13f79535-47bb-0310-9956-ffa450edef68

6 files changed, 1994 insertions, 0 deletions

diff --git a/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/BindingWSDLGenerator.java b/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/BindingWSDLGenerator.java
new file mode 100644
index 0000000000..8981d030ea
--- /dev/null
+++ b/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/BindingWSDLGenerator.java
@@ -0,0 +1,353 @@
+/*
+ * 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.binding.ws.wsdlgen;
+
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.wsdl.Definition;
+import javax.wsdl.PortType;
+import javax.wsdl.WSDLException;
+import javax.wsdl.xml.WSDLWriter;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.AbstractContract;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.builder.BindingBuilderExtension;
+import org.apache.tuscany.sca.assembly.builder.impl.ProblemImpl;
+import org.apache.tuscany.sca.binding.ws.WebServiceBinding;
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.resolver.ResolverExtension;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterfaceContract;
+import org.apache.tuscany.sca.interfacedef.wsdl.impl.InvalidWSDLException;
+import org.apache.tuscany.sca.interfacedef.wsdl.impl.WSDLInterfaceIntrospectorImpl;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.IntentAttachPoint;
+import org.apache.tuscany.sca.xsd.XSDFactory;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class BindingWSDLGenerator {
+    private static final Logger logger = Logger.getLogger(BindingWSDLGenerator.class.getName());
+    private static final QName SOAP12_INTENT = new QName("http://www.osoa.org/xmlns/sca/1.0", "soap.1_2");
+
+    public static boolean printWSDL;     // external code sets this to print generated WSDL
+
+    private BindingWSDLGenerator() {
+        // this class has static methods only and cannot be instantiated
+    }
+
+    /**
+     * Log a warning message.
+     * @param problem
+     */
+    private static void logWarning(Problem problem) {
+        Logger problemLogger = Logger.getLogger(problem.getSourceClassName(), problem.getBundleName());
+        if (problemLogger != null){
+            problemLogger.logp(Level.WARNING, problem.getSourceClassName(), null, problem.getMessageId(), problem.getMessageParams());
+        } else {
+            logger.severe("Can't get logger " + problem.getSourceClassName()+ " with bundle " + problem.getBundleName());
+        }
+    }
+
+    /**
+     * Report a warning.
+     * @param message
+     * @param binding
+     * @param parameters
+     */
+    private static void warning(Monitor monitor, String message, WebServiceBinding wsBinding, String... messageParameters) {
+        Problem problem = new ProblemImpl(BindingWSDLGenerator.class.getName(), "wsdlgen-validation-messages", Severity.WARNING, wsBinding, message, (Object[])messageParameters);
+        if (monitor != null) {
+            monitor.problem(problem);
+        } else {
+            logWarning(problem);
+        }
+    }
+
+    /**
+     * Report an error.
+     * @param message
+     * @param binding
+     * @param parameters
+     */
+    private static void error(Monitor monitor, String message, WebServiceBinding wsBinding, String... messageParameters) {
+        Problem problem = new ProblemImpl(BindingWSDLGenerator.class.getName(), "wsdlgen-validation-messages", Severity.ERROR, wsBinding, message, (Object[])messageParameters);
+        if (monitor != null) {
+            monitor.problem(problem);
+        } else {
+            throw new WSDLGenerationException(problem.toString(), null, problem);
+        }
+    }
+  
+    /**
+     * Report an exception error.
+     * @param message
+     * @param binding
+     * @param exception
+     */
+    private static void error(Monitor monitor, String message, WebServiceBinding wsBinding, Exception ex) {
+        Problem problem = new ProblemImpl(BindingWSDLGenerator.class.getName(), "wsdlgen-validation-messages", Severity.ERROR, wsBinding, message, ex);
+        if (monitor != null) {
+            monitor.problem(problem);
+        } else {
+            throw new WSDLGenerationException(problem.toString(), ex, problem);
+        }
+    }
+  
+    /**
+     * Report a fatal error.
+     * @param message
+     * @param binding
+     * @param exception
+     */
+    private static void fatal(Monitor monitor, String message, WebServiceBinding wsBinding, String... messageParameters) {
+        Problem problem = new ProblemImpl(BindingWSDLGenerator.class.getName(), "wsdlgen-validation-messages", Severity.ERROR,wsBinding, message, (Object[])messageParameters);
+        throw new WSDLGenerationException(problem.toString(), null, problem);
+    }
+  
+    /**
+     * Report a fatal exception error.
+     * @param message
+     * @param binding
+     * @param exception
+     */
+    private static void fatal(Monitor monitor, String message, WebServiceBinding wsBinding, Exception ex) {
+        Problem problem = new ProblemImpl(BindingWSDLGenerator.class.getName(), "wsdlgen-validation-messages", Severity.ERROR, wsBinding, message, ex);
+        throw new WSDLGenerationException(problem.toString(), ex, problem);
+    }
+
+    /**
+     * This method can be called from the binding builder or from the runtime.
+     * Report problems and exceptions in the most appropriate way for both
+     * of these cases.
+     */
+    public static void generateWSDL(Component component,
+                                    AbstractContract contract,
+                                    WebServiceBinding wsBinding,
+                                    ExtensionPointRegistry extensionPoints,
+                                    Monitor monitor) {
+        try {
+            createWSDLDocument(component, contract, wsBinding, extensionPoints, monitor);
+        } catch (WSDLGenerationException ex) {
+            if (ex.getProblem() != null) {
+                warning(monitor, "WsdlGenProblem", wsBinding, component.getName(), contract.getName());
+                if (monitor != null) {
+                    monitor.problem(ex.getProblem());
+                } else {
+                    throw ex;
+                }
+            } else if (ex.getCause() instanceof Exception) {
+                warning(monitor, "WsdlGenException", wsBinding, component.getName(), contract.getName());
+                error(monitor, "UnexpectedException", wsBinding, (Exception)ex.getCause());
+            } else { // should never happen
+                throw new IllegalStateException(ex);
+            }
+        } catch (RuntimeException ex) {
+            warning(monitor, "WsdlGenException", wsBinding, component.getName(), contract.getName());
+            error(monitor, "UnexpectedException", wsBinding, ex);
+        }    
+    }        
+
+    private static void createWSDLDocument(Component component,
+                                           AbstractContract contract,
+                                           WebServiceBinding wsBinding,
+                                           ExtensionPointRegistry extensionPoints,
+                                           Monitor monitor) {
+        ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class);
+        DataBindingExtensionPoint dataBindings = extensionPoints.getExtensionPoint(DataBindingExtensionPoint.class);
+        WSDLFactory wsdlFactory = modelFactories.getFactory(WSDLFactory.class);
+        XSDFactory xsdFactory = modelFactories.getFactory(XSDFactory.class);
+        System.out.println("$$createWSDLDocument: wsBinding " + wsBinding);
+
+        if (contract.getInterfaceContract() == null) {
+            // can happen if incorrect component service name
+            fatal(monitor, "MissingInterfaceContract", wsBinding, component.getName(), contract.getName()); 
+        }
+
+        InterfaceContract icontract = wsBinding.getBindingInterfaceContract();
+        if (icontract == null) {
+            System.out.println("$$null bindingInterfaceContract: wsBinding " + wsBinding);
+            icontract = contract.getInterfaceContract().makeUnidirectional(false);
+            if (icontract instanceof JavaInterfaceContract) {
+                ModelResolver resolver = component instanceof ResolverExtension ?
+                                             ((ResolverExtension)component).getModelResolver() : null;
+                System.out.println("$$calling createWSDLInterfaceContract(): wsBinding " + wsBinding);
+                icontract = createWSDLInterfaceContract(
+                                    (JavaInterfaceContract)icontract,
+                                    requiresSOAP12(wsBinding),
+                                    resolver,
+                                    dataBindings,
+                                    wsdlFactory,
+                                    xsdFactory,
+                                    monitor);
+                System.out.println("$$returned from createWSDLInterfaceContract(): wsBinding " + wsBinding);
+            } else {
+                try {
+                    //TUSCANY-2316 Cloning the Interface Contract to avoid overriding data binding information 
+                    icontract = (InterfaceContract)icontract.clone();
+                } catch (Exception e) {
+                    //ignore
+                }
+            }
+            System.out.println("$$calling setBindingInterfaceContract(): wsBinding " + wsBinding);
+            System.out.println("$$icontract: " + icontract);
+            if (icontract.getInterface() instanceof WSDLInterface) {
+                System.out.println("$$wsdlDefinition: " + ((WSDLInterface)icontract.getInterface()).getWsdlDefinition());
+            }
+            wsBinding.setBindingInterfaceContract(icontract);
+        }
+        
+        // TODO - fix up the conversational flag and operation sequences in case the contract has come from WSDL
+        // as we don't yet support requires="conversational" or sca:endConversation annotations
+        // in WSDL interface descriptions (see section 1.5.4 of the Assembly Specification V1.0)
+        if (contract.getInterfaceContract().getInterface() != null ) {
+            icontract.getInterface().setConversational(contract.getInterfaceContract().getInterface().isConversational());
+            
+            for (Operation operation : icontract.getInterface().getOperations()){
+                Operation serviceOperation = null;
+                
+                for (Operation tmpOp : contract.getInterfaceContract().getInterface().getOperations()){
+                    if (operation.getName().equals(tmpOp.getName())) {
+                        serviceOperation = tmpOp;
+                        break;
+                    }
+                }
+                
+                if (serviceOperation != null ){
+                    operation.setConversationSequence(serviceOperation.getConversationSequence());
+                }
+            }
+        }
+
+        /*
+        // Look at all the Web Service bindings of the SCA service to see if any
+        // of them have an existing generated WSDL definitions document.  If found,
+        // use it for this binding as well.  If not found, generate a new document.
+        Definition definition = null;
+        for (Binding binding : contract.getBindings()) {
+            if (binding instanceof WebServiceBinding) {
+                definition = ((WebServiceBinding)binding).getWSDLDocument();
+                if (definition != null) {
+                    wsBinding.setWSDLDocument(definition);
+                    break;
+                }
+            }
+        }
+        */
+        // The above code is currently not used.  Instead, we only look
+        // for a WSDL definitions document in this binding and don't
+        // attempt to share the same document across multiple bindings.
+
+        // generate a WSDL definitions document if needed
+        Definition definition = wsBinding.getWSDLDocument();
+        if (definition == null) {
+            definition = WSDLServiceGenerator.configureWSDLDefinition(wsBinding, component, contract, monitor);
+            wsBinding.setWSDLDocument(definition);
+        }
+    }
+
+    protected static boolean requiresSOAP12(WebServiceBinding wsBinding) {
+        if (wsBinding instanceof IntentAttachPoint) {
+            List<Intent> intents = ((IntentAttachPoint)wsBinding).getRequiredIntents();
+            for (Intent intent : intents) {
+                if (SOAP12_INTENT.equals(intent.getName())) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Create a WSDLInterfaceContract from a JavaInterfaceContract
+     */
+    protected static WSDLInterfaceContract createWSDLInterfaceContract(JavaInterfaceContract contract,
+                                                                       boolean requiresSOAP12,
+                                                                       ModelResolver resolver,
+                                                                       DataBindingExtensionPoint dataBindings,
+                                                                       WSDLFactory wsdlFactory,
+                                                                       XSDFactory xsdFactory,
+                                                                       Monitor monitor) {
+
+        WSDLInterfaceContract wsdlContract = wsdlFactory.createWSDLInterfaceContract();
+        WSDLInterface wsdlInterface = wsdlFactory.createWSDLInterface();
+        wsdlContract.setInterface(wsdlInterface);
+
+        WSDLDefinition wsdlDefinition = wsdlFactory.createWSDLDefinition();
+        JavaInterface iface = (JavaInterface)contract.getInterface();
+
+        Definition def = null;
+        try {
+            Interface2WSDLGenerator wsdlGenerator =
+                new Interface2WSDLGenerator(requiresSOAP12, resolver, dataBindings, xsdFactory, monitor);
+            def = wsdlGenerator.generate(iface, wsdlDefinition);
+        } catch (WSDLException e) {
+            throw new WSDLGenerationException(e);
+        }
+
+        // for debugging
+        if (printWSDL) {
+            try {
+                System.out.println("Generated WSDL for Java interface " + iface.getName() + " class " + iface.getJavaClass().getName());
+                WSDLWriter writer =  javax.wsdl.factory.WSDLFactory.newInstance().newWSDLWriter();
+                writer.writeWSDL(def, System.out);
+            } catch (WSDLException e) {
+                throw new WSDLGenerationException(e);
+            }
+        }
+
+        wsdlDefinition.setDefinition(def);
+        wsdlInterface.setWsdlDefinition(wsdlDefinition);
+        wsdlInterface.setRemotable(true);
+        wsdlInterface.setConversational(contract.getInterface().isConversational());
+        wsdlInterface.setUnresolved(false);
+        wsdlInterface.setRemotable(true);
+        PortType portType = (PortType)def.getAllPortTypes().values().iterator().next();
+        wsdlInterface.setPortType(portType);
+
+        try {
+            for (Operation op : iface.getOperations()) {
+                javax.wsdl.Operation wsdlOp = portType.getOperation(op.getName(), null, null);
+                wsdlInterface.getOperations().add(WSDLInterfaceIntrospectorImpl.getOperation(
+                                                      wsdlOp, wsdlDefinition, resolver, xsdFactory));
+            }
+        } catch (InvalidWSDLException e) {
+            throw new WSDLGenerationException(e);
+        }
+
+        return wsdlContract;
+    }
+
+}
diff --git a/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/Interface2WSDLGenerator.java b/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/Interface2WSDLGenerator.java
new file mode 100644
index 0000000000..d1f22ec9be
--- /dev/null
+++ b/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/Interface2WSDLGenerator.java
@@ -0,0 +1,726 @@
+/*
+ * 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.binding.ws.wsdlgen;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.wsdl.Binding;
+import javax.wsdl.BindingOperation;
+import javax.wsdl.Definition;
+import javax.wsdl.Fault;
+import javax.wsdl.Input;
+import javax.wsdl.Message;
+import javax.wsdl.OperationType;
+import javax.wsdl.Output;
+import javax.wsdl.Part;
+import javax.wsdl.PortType;
+import javax.wsdl.Types;
+import javax.wsdl.WSDLException;
+import javax.wsdl.extensions.schema.Schema;
+import javax.wsdl.factory.WSDLFactory;
+import javax.xml.namespace.QName;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+
+import org.apache.tuscany.sca.assembly.builder.impl.ProblemImpl;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.databinding.DataBinding;
+import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint;
+import org.apache.tuscany.sca.databinding.XMLTypeHelper;
+import org.apache.tuscany.sca.databinding.jaxb.JAXBDataBinding;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
+import org.apache.tuscany.sca.interfacedef.util.ElementInfo;
+import org.apache.tuscany.sca.interfacedef.util.JavaXMLMapper;
+import org.apache.tuscany.sca.interfacedef.util.TypeInfo;
+import org.apache.tuscany.sca.interfacedef.util.WrapperInfo;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+import org.apache.tuscany.sca.xsd.XSDFactory;
+import org.apache.tuscany.sca.xsd.XSDefinition;
+import org.apache.ws.commons.schema.XmlSchema;
+import org.apache.ws.commons.schema.XmlSchemaCollection;
+import org.apache.ws.commons.schema.XmlSchemaException;
+import org.apache.ws.commons.schema.utils.NamespaceMap;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+/**
+ * @version $Rev: 670103 $ $Date: 2008-06-21 01:35:00 +0100 (Sat, 21 Jun 2008) $
+ */
+public class Interface2WSDLGenerator {
+    private static final Logger logger = Logger.getLogger(Interface2WSDLGenerator.class.getName());
+    private static final String SCHEMA_NS = "http://www.w3.org/2001/XMLSchema";
+    private static final String SCHEMA_NAME = "schema";
+    private static final QName SCHEMA_QNAME = new QName(SCHEMA_NS, SCHEMA_NAME);
+    private static final String XMLNS_NS = "http://www.w3.org/2000/xmlns/";
+    
+    private static final String ANYTYPE_NAME = "anyType";
+    private static final QName ANYTYPE_QNAME = new QName(SCHEMA_NS, ANYTYPE_NAME);
+
+
+    private WSDLFactory factory;
+    private DataBindingExtensionPoint dataBindings;
+    private WSDLDefinitionGenerator definitionGenerator;
+    private boolean requiresSOAP12;
+    private ModelResolver resolver;
+    private XSDFactory xsdFactory;
+    private Monitor monitor;
+
+    public Interface2WSDLGenerator(boolean requiresSOAP12,
+                                   ModelResolver resolver,
+                                   DataBindingExtensionPoint dataBindings,
+                                   XSDFactory xsdFactory,
+                                   Monitor monitor) throws WSDLException {
+        super();
+        this.requiresSOAP12 = requiresSOAP12; 
+        this.resolver = resolver; 
+        definitionGenerator = new WSDLDefinitionGenerator(requiresSOAP12);
+        this.dataBindings = dataBindings;
+        this.xsdFactory = xsdFactory;
+        this.monitor = monitor;
+        this.factory = WSDLFactory.newInstance();
+    }
+
+    /**
+     * Log a warning message.
+     * @param problem
+     */
+    private static void logWarning(Problem problem) {
+        Logger problemLogger = Logger.getLogger(problem.getSourceClassName(), problem.getBundleName());
+        if (problemLogger != null){
+            problemLogger.logp(Level.WARNING, problem.getSourceClassName(), null, problem.getMessageId(), problem.getMessageParams());
+        } else {
+            logger.severe("Can't get logger " + problem.getSourceClassName()+ " with bundle " + problem.getBundleName());
+        }
+    }
+
+    /**
+     * Report a warning.
+     * @param message
+     * @param binding
+     * @param parameters
+     */
+    private void warning(String message, Interface interfaze, String... messageParameters) {
+        Problem problem = new ProblemImpl(this.getClass().getName(), "wsdlgen-validation-messages", Severity.WARNING, interfaze, message, (Object[])messageParameters);
+        if (monitor != null) {
+            monitor.problem(problem);
+        } else {
+            logWarning(problem);
+        }
+    }
+
+    /**
+     * Report a fatal error.
+     * @param message
+     * @param binding
+     * @param parameters
+     */
+    private void fatal(String message, Interface interfaze, String... messageParameters) {
+        Problem problem = new ProblemImpl(this.getClass().getName(), "wsdlgen-validation-messages", Severity.ERROR, interfaze, message, (Object[])messageParameters);
+        throw new WSDLGenerationException(problem.toString(), null, problem);
+    }
+    
+    private void addDataType(Map<String, List<DataType>> map, DataType type) {
+        if (type == null) {
+            return;
+        }
+        String db = type.getDataBinding();
+        if (db == null) {
+            return;
+        }
+        if ("java:array".equals(db)) {
+            DataType dt = (DataType)type.getLogical();
+            db = dt.getDataBinding();
+        }
+        List<DataType> types = map.get(db);
+        if (types == null) {
+            types = new ArrayList<DataType>();
+            map.put(db, types);
+        }
+        types.add(type);
+    }
+    
+    private Map<String, List<DataType>> getDataTypes(Interface intf, boolean useWrapper) {
+        Map<String, List<DataType>> dataTypes = new HashMap<String, List<DataType>>();
+        for (Operation op : intf.getOperations()) {
+            WrapperInfo wrapper = op.getWrapper();
+            if (useWrapper && wrapper != null) {
+                DataType dt1 = wrapper.getInputWrapperType();
+                addDataType(dataTypes, dt1);
+                DataType dt2 = wrapper.getOutputWrapperType();
+                addDataType(dataTypes, dt2);
+            } else {
+                for (DataType dt1 : op.getInputType().getLogical()) {
+                    addDataType(dataTypes, dt1);
+                }
+                DataType dt2 = op.getOutputType();
+                addDataType(dataTypes, dt2);
+            }
+            for (DataType<DataType> dt3 : op.getFaultTypes()) {
+                DataType dt4 = dt3.getLogical();
+                addDataType(dataTypes, dt4);
+            }
+        }
+        return dataTypes;
+    }
+
+
+    public Definition generate(Interface interfaze, WSDLDefinition wsdlDefinition) throws WSDLException {
+        if (interfaze == null) {
+            return null;
+        }
+        if (interfaze instanceof WSDLInterface) {
+            return ((WSDLInterface)interfaze).getWsdlDefinition().getDefinition();
+        }
+        JavaInterface iface = (JavaInterface)interfaze;
+        if (!interfaze.isRemotable()) {
+            fatal("InterfaceNotRemotable", interfaze, iface.getName());
+        }
+        QName name = getQName(iface);
+        Definition definition = factory.newDefinition();
+        if (requiresSOAP12) {
+            definition.addNamespace("soap12", "http://schemas.xmlsoap.org/wsdl/soap12/");
+        } else {
+            definition.addNamespace("soap", "http://schemas.xmlsoap.org/wsdl/soap/");
+        }
+        definition.addNamespace("wsdl", "http://schemas.xmlsoap.org/wsdl/");
+        definition.addNamespace("xs", SCHEMA_NS);
+
+        String namespaceURI = name.getNamespaceURI();
+        definition.setTargetNamespace(namespaceURI);
+        definition.setQName(new QName(namespaceURI, name.getLocalPart() + "Service", name.getPrefix()));
+        definition.addNamespace(name.getPrefix(), namespaceURI);
+
+        PortType portType = definition.createPortType();
+        portType.setQName(name);
+        Binding binding = definitionGenerator.createBinding(definition, portType);
+        Map<String, XMLTypeHelper> helpers = new HashMap<String, XMLTypeHelper>();
+        Map<QName, List<ElementInfo>> wrappers = new HashMap<QName, List<ElementInfo>>();
+        for (Operation op : interfaze.getOperations()) {
+            javax.wsdl.Operation operation = generateOperation(definition, op, helpers, wrappers);
+            portType.addOperation(operation);
+            String action = ((JavaOperation)op).getAction();
+            BindingOperation bindingOp = definitionGenerator.createBindingOperation(definition, operation, action);
+            binding.addBindingOperation(bindingOp);
+        }
+        portType.setUndefined(false);
+        definition.addPortType(portType);
+        binding.setUndefined(false);
+        definition.addBinding(binding);
+        wsdlDefinition.setBinding(binding);
+
+        // call each helper in turn to populate the wsdl.types element
+        XmlSchemaCollection schemaCollection = new XmlSchemaCollection(); 
+
+        for (Map.Entry<String, List<DataType>> en: getDataTypes(interfaze, false).entrySet()) {
+            XMLTypeHelper helper = helpers.get(en.getKey());
+            if (helper == null) {
+                continue;
+            }
+            List<XSDefinition> xsDefinitions = helper.getSchemaDefinitions(xsdFactory, resolver, en.getValue());
+            for (XSDefinition xsDef: xsDefinitions) {
+                addSchemaExtension(xsDef, schemaCollection, wsdlDefinition, definition);
+            }
+        }
+
+        // remove global wrapper elements with schema definitions from generation list
+        for (QName wrapperName: new HashSet<QName>(wrappers.keySet())) {
+            if (wsdlDefinition.getXmlSchemaElement(wrapperName) != null) {
+                wrappers.remove(wrapperName);
+            }
+        }
+
+        // generate schema elements for wrappers that aren't defined in the schemas
+        if (wrappers.size() > 0) {
+            int i = 0;
+            Map<String, XSDefinition> wrapperXSDs = new HashMap<String, XSDefinition>();
+            Map<Element, Map<String, String>> prefixMaps = new HashMap<Element, Map<String, String>>();
+            for (Map.Entry<QName, List<ElementInfo>> entry: wrappers.entrySet()) {
+                String targetNS = entry.getKey().getNamespaceURI();
+                Document schemaDoc = null;
+                Element schema = null;
+                XSDefinition xsDef = wrapperXSDs.get(targetNS);
+                if (xsDef != null) {
+                    schemaDoc = xsDef.getDocument();
+                    schema = schemaDoc.getDocumentElement();
+                } else {
+                    schemaDoc = createDocument();
+                    schema = schemaDoc.createElementNS(SCHEMA_NS, "xs:schema");
+                    // The elementFormDefault should be set to unqualified, see TUSCANY-2388
+                    schema.setAttribute("elementFormDefault", "unqualified");
+                    schema.setAttribute("attributeFormDefault", "qualified");
+                    schema.setAttribute("targetNamespace", targetNS);
+                    schema.setAttributeNS(XMLNS_NS, "xmlns:xs", SCHEMA_NS);
+                    schemaDoc.appendChild(schema);
+                    Schema schemaExt = createSchemaExt(definition);
+                    schemaExt.setElement(schema);
+                    prefixMaps.put(schema, new HashMap<String, String>());
+                    xsDef = xsdFactory.createXSDefinition();
+                    xsDef.setUnresolved(true);
+                    xsDef.setNamespace(targetNS);
+                    xsDef.setDocument(schemaDoc);
+                    wrapperXSDs.put(targetNS, xsDef);
+                }
+                Element wrapper = schemaDoc.createElementNS(SCHEMA_NS, "xs:element");
+                schema.appendChild(wrapper);
+                wrapper.setAttribute("name", entry.getKey().getLocalPart());
+                if (entry.getValue().size() == 1 && entry.getValue().get(0).getQName() == null) {
+                    // special case for global fault element
+                    QName typeName = entry.getValue().get(0).getType().getQName();
+                    wrapper.setAttribute("type", typeName.getLocalPart());
+                } else {
+                    // normal wrapper containing type definition inline
+                    Element complexType = schemaDoc.createElementNS(SCHEMA_NS, "xs:complexType");
+                    wrapper.appendChild(complexType);
+                    if (entry.getValue().size() > 0) {
+                        Element sequence = schemaDoc.createElementNS(SCHEMA_NS, "xs:sequence");
+                        complexType.appendChild(sequence);
+                        for (ElementInfo element: entry.getValue()) {
+                            Element xsElement = schemaDoc.createElementNS(SCHEMA_NS, "xs:element"); 
+                            if (element.isMany()) {
+                                xsElement.setAttribute("maxOccurs", "unbounded");
+                            }
+                            xsElement.setAttribute("minOccurs", "0");
+                            xsElement.setAttribute("name", element.getQName().getLocalPart());
+                            if (element.isNillable()) {
+                                xsElement.setAttribute("nillable", "true");
+                            }
+                            QName typeName = element.getType().getQName();
+                            String nsURI = typeName.getNamespaceURI();
+                            if ("".equals(nsURI) || targetNS.equals(nsURI)) {
+                                xsElement.setAttribute("type", typeName.getLocalPart());
+                            } else if (SCHEMA_NS.equals(nsURI)) {
+                                xsElement.setAttribute("type", "xs:" + typeName.getLocalPart());
+                            } else {
+                                Map<String, String> prefixMap = prefixMaps.get(schema);
+                                String prefix = prefixMap.get(nsURI);
+                                if (prefix == null) {
+                                    prefix = "ns" + i++;
+                                    prefixMap.put(nsURI, prefix);
+                                    schema.setAttributeNS(XMLNS_NS, "xmlns:" + prefix, nsURI);
+                                }
+                                xsElement.setAttribute("type", prefix + ":" + typeName.getLocalPart());
+                            }
+                            sequence.appendChild(xsElement);
+                        }
+                    }
+                }
+            }
+ 
+            // resolve XSDefinitions containing generated wrappers
+            for (XSDefinition xsDef: wrapperXSDs.values()) {
+                loadXSD(schemaCollection, xsDef);
+                wsdlDefinition.getXmlSchemas().add(xsDef);
+            }
+        }
+
+        return definition;
+    }
+    
+    private void addSchemaExtension(XSDefinition xsDef,
+                                    XmlSchemaCollection schemaCollection,
+                                    WSDLDefinition wsdlDefinition,
+                                    Definition definition) throws WSDLException {
+        if (xsDef.getAggregatedDefinitions() != null) {
+            for (XSDefinition xsd: xsDef.getAggregatedDefinitions()) {
+                addSchemaExtension(xsd, schemaCollection, wsdlDefinition, definition);
+            }
+        } else {
+            String nsURI = xsDef.getNamespace();
+            Document document = xsDef.getDocument();
+            if (document == null) {
+                try {
+                    NamespaceMap prefixMap = new NamespaceMap();
+                    prefixMap.add("xs", SCHEMA_NS);
+                    prefixMap.add("tns", nsURI);
+                    XmlSchema schemaDef = xsDef.getSchema();
+                    schemaDef.setNamespaceContext(prefixMap);
+                    Document[] docs = schemaDef.getAllSchemas();
+                    document = docs[docs.length-1];
+                    document.setDocumentURI(xsDef.getLocation().toString());
+                    xsDef.setDocument(document);
+                } catch (XmlSchemaException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+            loadXSD(schemaCollection, xsDef);
+            wsdlDefinition.getXmlSchemas().add(xsDef);
+            Element schema = document.getDocumentElement();
+            Schema schemaExt = createSchemaExt(definition);
+            schemaExt.setDocumentBaseURI(document.getDocumentURI());
+            schemaExt.setElement(schema);
+        }
+    }
+
+    private static void loadXSD(XmlSchemaCollection schemaCollection, XSDefinition definition) {
+        if (definition.getSchema() != null) {
+            return;
+        }
+        if (definition.getDocument() != null) {
+            String uri = null;
+            if (definition.getLocation() != null) {
+                uri = definition.getLocation().toString();
+            }
+            XmlSchema schema = schemaCollection.read(definition.getDocument(), uri, null);
+            if (definition.getSchemaCollection() == null) {
+                definition.setSchemaCollection(schemaCollection);
+            }
+            if (definition.getSchema() == null) {
+                definition.setSchema(schema);
+            }
+        }
+    }
+
+    public Schema createSchemaExt(Definition definition) throws WSDLException {
+        Types types = definition.getTypes();
+        if (types == null) {
+            types = definition.createTypes();
+            definition.setTypes(types);
+        }
+
+        Schema schemaExt = createSchema(definition);
+        types.addExtensibilityElement(schemaExt);
+
+        return schemaExt;
+    }
+
+    public Schema createSchema(Definition definition) throws WSDLException {
+        return (Schema)definition.getExtensionRegistry().createExtension(Types.class, SCHEMA_QNAME);
+    }
+
+    private DocumentBuilderFactory documentBuilderFactory;
+
+    public Document createDocument() {
+        Document document;
+        try {
+            if (documentBuilderFactory == null) {
+                documentBuilderFactory = DocumentBuilderFactory.newInstance();
+                documentBuilderFactory.setNamespaceAware(true);
+            }
+            document = documentBuilderFactory.newDocumentBuilder().newDocument();
+        } catch (ParserConfigurationException ex) {
+            throw new WSDLGenerationException(ex);
+         }
+        // document.setDocumentURI("http://");
+        return document;
+    }
+
+    protected QName getQName(Interface interfaze) {
+        JavaInterface iface = (JavaInterface)interfaze;
+        QName qname = iface.getQName();
+        if (qname != null) {
+            return qname;
+        } else {
+            Class<?> javaClass = iface.getJavaClass();
+            return new QName(JavaXMLMapper.getNamespace(javaClass), javaClass.getSimpleName(), "tns");
+        }
+    }
+
+    public javax.wsdl.Operation generateOperation(Definition definition,
+                                                  Operation op,
+                                                  Map<String, XMLTypeHelper> helpers,
+                                                  Map<QName, List<ElementInfo>> wrappers)
+                                              throws WSDLException {
+        javax.wsdl.Operation operation = definition.createOperation();
+        operation.setName(op.getName());
+        operation.setUndefined(false);
+
+        Input input = definition.createInput();
+        Message inputMsg = definition.createMessage();
+        String namespaceURI = definition.getQName().getNamespaceURI();
+        QName inputMsgName = new QName(namespaceURI, op.getName());
+        inputMsg.setQName(inputMsgName);
+        inputMsg.setUndefined(false);
+        definition.addMessage(inputMsg);
+
+        // FIXME: By default, java interface is mapped to doc-lit-wrapper style WSDL
+        if (op.getWrapper() != null) {
+            // Generate doc-lit-wrapper style
+            inputMsg.addPart(generateWrapperPart(definition, op, helpers, wrappers, true));
+        } else {
+            // Bare style
+            int i = 0;
+            for (DataType d : op.getInputType().getLogical()) {
+                inputMsg.addPart(generatePart(definition, d, "arg" + i));
+                i++;
+            }
+        }
+        input.setMessage(inputMsg);
+        operation.setInput(input);
+
+        if (!op.isNonBlocking()) {
+            Output output = definition.createOutput();
+            Message outputMsg = definition.createMessage();
+            QName outputMsgName = new QName(namespaceURI, op.getName() + "Response");
+            outputMsg.setQName(outputMsgName);
+            outputMsg.setUndefined(false);
+            definition.addMessage(outputMsg);
+
+            if (op.getWrapper() != null) {
+                outputMsg.addPart(generateWrapperPart(definition, op, helpers, wrappers, false));
+            } else {
+                outputMsg.addPart(generatePart(definition, op.getOutputType(), "return"));
+            }
+            output.setMessage(outputMsg);
+
+            operation.setOutput(output);
+            operation.setStyle(OperationType.REQUEST_RESPONSE);
+        } else {
+            operation.setStyle(OperationType.ONE_WAY);
+        }
+
+        for (DataType<DataType> faultType: op.getFaultTypes()) {
+            Fault fault = definition.createFault();
+            QName faultName = ((XMLType)faultType.getLogical().getLogical()).getElementName();
+            fault.setName(faultName.getLocalPart());
+            Message faultMsg = definition.getMessage(faultName);
+            if (faultMsg == null) {
+                faultMsg = definition.createMessage();
+                faultMsg.setQName(faultName);
+                faultMsg.setUndefined(false);
+                definition.addMessage(faultMsg);
+                faultMsg.addPart(generatePart(definition, faultType.getLogical(), faultName.getLocalPart()));
+            }
+            fault.setMessage(faultMsg);
+            operation.addFault(fault);
+            List<ElementInfo> elements = null;
+            if (faultType.getLogical().getPhysical() != faultType.getPhysical()) {
+                // create special wrapper for type indirection to real fault bean
+                elements = new ArrayList<ElementInfo>(1);
+                DataType logical = faultType.getLogical();
+                elements.add(getElementInfo(logical.getPhysical(), logical, null, helpers));
+             } else {
+                // convert synthesized fault bean to a wrapper type
+                elements = new ArrayList<ElementInfo>();
+                for (DataType<XMLType> propDT: op.getFaultBeans().get(faultName)) {
+                    XMLType logical = propDT.getLogical();
+                    elements.add(getElementInfo(propDT.getPhysical(), propDT, logical.getElementName(), helpers));
+                }
+            }
+            wrappers.put(faultName, elements);
+        }
+
+        operation.setUndefined(false);
+        return operation;
+    }
+
+    public Part generatePart(Definition definition, DataType arg, String partName) {
+        Part part = definition.createPart();
+        part.setName(partName);
+        if (arg != null && arg.getLogical() instanceof XMLType) {
+            XMLType xmlType = (XMLType)arg.getLogical();
+            QName elementName = xmlType.getElementName();
+            part.setElementName(elementName);
+            addNamespace(definition, elementName);
+            if (xmlType.getElementName() == null) {
+                QName typeName = xmlType.getTypeName();
+                part.setTypeName(typeName);
+                addNamespace(definition, typeName);
+            }
+        }
+        return part;
+    }
+
+    public Part generateWrapperPart(Definition definition,
+                                    Operation operation,
+                                    Map<String, XMLTypeHelper> helpers, 
+                                    Map<QName, List<ElementInfo>> wrappers,
+                                    boolean input) throws WSDLException {
+        Part part = definition.createPart();
+        String partName = input ? operation.getName() : (operation.getName() + "Response");
+        part.setName(partName);
+        WrapperInfo opWrapper = operation.getWrapper();
+        if (opWrapper != null) {
+            ElementInfo elementInfo =
+                input ? opWrapper.getInputWrapperElement() : opWrapper.getOutputWrapperElement();
+            List<ElementInfo> elements =
+                input ? opWrapper.getInputChildElements() : opWrapper.getOutputChildElements();
+            QName wrapperName = elementInfo.getQName();
+            part.setElementName(wrapperName);
+            addNamespace(definition, wrapperName);
+            wrappers.put(wrapperName, elements);
+
+            // FIXME: [rfeng] Ideally, we should try to register the wrappers only. But we are
+            // expriencing the problem that we cannot handle XSD imports 
+            /*
+            Class<?> wrapperClass = input ? opWrapper.getInputWrapperClass() : opWrapper.getOutputWrapperClass();
+            DataType wrapperDT = input ? opWrapper.getInputWrapperType() : opWrapper.getOutputWrapperType();
+            if (wrapperClass != null) {
+                getElementInfo(wrapperClass, wrapperDT, wrapperName, helpers);
+                return part;
+            }
+            */
+
+            Method method = ((JavaOperation)operation).getJavaMethod();
+            if (input) {
+                Class<?>[] paramTypes = method.getParameterTypes();
+                for (int i = 0; i < paramTypes.length; i++) {
+                    DataType dataType = operation.getInputType().getLogical().get(i);
+                    elements.set(i, getElementInfo(paramTypes[i], dataType, elements.get(i).getQName(), helpers));
+                }
+            } else {
+                Class<?> returnType = method.getReturnType();
+                if (returnType != Void.TYPE) {
+                    DataType dataType = operation.getOutputType();
+                    elements.set(0, getElementInfo(returnType, dataType, elements.get(0).getQName(), helpers));
+                }
+            }
+        }
+        return part;
+    }
+
+    private ElementInfo getElementInfo(Class javaType,
+                                       DataType dataType,
+                                       QName name,
+                                       Map<String, XMLTypeHelper> helpers) {
+        String db = dataType.getDataBinding();
+        while ("java:array".equals(db)) {
+            dataType = (DataType)dataType.getLogical();
+            db = dataType.getDataBinding();
+        }
+        XMLTypeHelper helper = helpers.get(db);
+        if (helper == null) {
+            DataBinding dataBinding = dataBindings.getDataBinding(db);
+            if (dataBinding == null) {
+                QName element = name;
+                if (element == null || dataType.getLogical() instanceof XMLType) {
+                    XMLType xmlType = (XMLType)dataType.getLogical();
+                    if (xmlType.getElementName() != null) {
+                        element = xmlType.getElementName();
+                    }
+                }
+                return new ElementInfo(element, new TypeInfo(ANYTYPE_QNAME, false, null));
+                // throw new ServiceRuntimeException("No data binding for " + db);
+            }
+
+            helper = dataBinding.getXMLTypeHelper();
+            if (helper == null) {
+                // Default to JAXB
+                helper = helpers.get(JAXBDataBinding.NAME);
+                if (helper == null) {
+                    helper = dataBindings.getDataBinding(JAXBDataBinding.NAME).getXMLTypeHelper();
+                    helpers.put(JAXBDataBinding.NAME, helper);
+                }
+            }
+            helpers.put(db, helper);
+        }
+        TypeInfo typeInfo = helper.getTypeInfo(javaType.isArray() ? javaType.getComponentType() : javaType,
+                                               dataType.getLogical());
+        ElementInfo element = new ElementInfo(name, typeInfo);
+        element.setMany(byte[].class != javaType && javaType.isArray());
+        element.setNillable(!javaType.isPrimitive());
+        return element;
+    }
+
+    private static void addNamespace(Definition definition, QName name) {
+        String namespace = name.getNamespaceURI();
+        if (definition.getPrefix(namespace) == null) {
+            definition.addNamespace("ns" + definition.getNamespaces().size(), namespace);
+        }
+    }
+
+    /*
+    // currently not using the next three methods
+    public XmlSchemaType getXmlSchemaType(DataType type) {
+        return null;
+    }
+
+    // FIXME: WE need to add databinding-specific Java2XSD generation
+    public Element generateXSD(DataType dataType) {
+        DataBinding dataBinding = dataBindings.getDataBinding(dataType.getDataBinding());
+        if (dataBinding != null) {
+            // return dataBinding.generateSchema(dataType);
+        }
+        return null;
+    }
+
+    public void generateWrapperElements(Operation op) {
+        XmlSchemaCollection collection = new XmlSchemaCollection();
+        String ns = getQName(op.getInterface()).getNamespaceURI();
+        XmlSchema schema = new XmlSchema(ns, collection);
+        schema.setAttributeFormDefault(new XmlSchemaForm(XmlSchemaForm.QUALIFIED));
+        schema.setElementFormDefault(new XmlSchemaForm(XmlSchemaForm.QUALIFIED));
+
+        XmlSchemaElement inputElement = new XmlSchemaElement();
+        inputElement.setQName(new QName(ns, op.getName()));
+        XmlSchemaComplexType inputType = new XmlSchemaComplexType(schema);
+        inputType.setName("");
+        XmlSchemaSequence inputSeq = new XmlSchemaSequence();
+        inputType.setParticle(inputSeq);
+        List<DataType> argTypes = op.getInputType().getLogical();
+        for (DataType argType : argTypes) {
+            XmlSchemaElement child = new XmlSchemaElement();
+            Object logical = argType.getLogical();
+            if (logical instanceof XMLType) {
+                child.setName(((XMLType)logical).getElementName().getLocalPart());
+                XmlSchemaType type = getXmlSchemaType(argType);
+                child.setType(type);
+            }
+            inputSeq.getItems().add(child);
+        }
+        inputElement.setType(inputType);
+
+        XmlSchemaElement outputElement = new XmlSchemaElement();
+        outputElement.setQName(new QName(ns, op.getName() + "Response"));
+        XmlSchemaComplexType outputType = new XmlSchemaComplexType(schema);
+        outputType.setName("");
+        XmlSchemaSequence outputSeq = new XmlSchemaSequence();
+        outputType.setParticle(outputSeq);
+        DataType returnType = op.getOutputType();
+        XmlSchemaElement child = new XmlSchemaElement();
+        Object logical = returnType.getLogical();
+        if (logical instanceof XMLType) {
+            child.setName(((XMLType)logical).getElementName().getLocalPart());
+            XmlSchemaType type = getXmlSchemaType(returnType);
+            child.setType(type);
+        }
+        outputSeq.getItems().add(child);
+        outputElement.setType(outputType);
+
+        schema.getElements().add(inputElement.getQName(), inputElement);
+        schema.getElements().add(outputElement.getQName(), outputElement);
+
+    }
+    */
+
+    public WSDLFactory getFactory() {
+        return factory;
+    }
+
+    public void setFactory(WSDLFactory factory) {
+        this.factory = factory;
+    }
+
+}
diff --git a/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/WSDLDefinitionGenerator.java b/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/WSDLDefinitionGenerator.java
new file mode 100644
index 0000000000..f99947a52e
--- /dev/null
+++ b/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/WSDLDefinitionGenerator.java
@@ -0,0 +1,304 @@
+/*
+ * 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.binding.ws.wsdlgen;
+
+import java.util.Iterator;
+
+import javax.wsdl.Binding;
+import javax.wsdl.BindingFault;
+import javax.wsdl.BindingInput;
+import javax.wsdl.BindingOperation;
+import javax.wsdl.BindingOutput;
+import javax.wsdl.Definition;
+import javax.wsdl.Fault;
+import javax.wsdl.Input;
+import javax.wsdl.Operation;
+import javax.wsdl.Output;
+import javax.wsdl.Port;
+import javax.wsdl.PortType;
+import javax.wsdl.Service;
+import javax.wsdl.Types;
+import javax.wsdl.WSDLException;
+import javax.wsdl.extensions.ExtensibilityElement;
+import javax.wsdl.extensions.soap.SOAPAddress;
+import javax.wsdl.extensions.soap.SOAPBinding;
+import javax.wsdl.extensions.soap.SOAPBody;
+import javax.wsdl.extensions.soap.SOAPFault;
+import javax.wsdl.extensions.soap.SOAPOperation;
+import javax.wsdl.extensions.soap12.SOAP12Address;
+import javax.wsdl.extensions.soap12.SOAP12Binding;
+import javax.wsdl.extensions.soap12.SOAP12Body;
+import javax.wsdl.extensions.soap12.SOAP12Fault;
+import javax.wsdl.extensions.soap12.SOAP12Operation;
+import javax.wsdl.factory.WSDLFactory;
+import javax.wsdl.xml.WSDLReader;
+import javax.xml.namespace.QName;
+
+import org.w3c.dom.Element;
+
+/**
+ * 
+ * @version $Rev: 668025 $ $Date: 2008-06-16 01:06:34 +0100 (Mon, 16 Jun 2008) $
+ */
+public class WSDLDefinitionGenerator {
+    private static final String SOAP_NS = "http://schemas.xmlsoap.org/wsdl/soap/";
+    public static final QName SOAP_ADDRESS = new QName(SOAP_NS, "address");
+    private static final QName SOAP_BINDING = new QName(SOAP_NS, "binding");
+    private static final QName SOAP_BODY = new QName(SOAP_NS, "body");
+    private static final QName SOAP_FAULT = new QName(SOAP_NS, "fault");
+    private static final QName SOAP_OPERATION = new QName(SOAP_NS, "operation");
+    private static final String SOAP12_NS = "http://schemas.xmlsoap.org/wsdl/soap12/";
+    public static final QName SOAP12_ADDRESS = new QName(SOAP12_NS, "address");
+    private static final QName SOAP12_BINDING = new QName(SOAP12_NS, "binding");
+    private static final QName SOAP12_BODY = new QName(SOAP12_NS, "body");
+    private static final QName SOAP12_FAULT = new QName(SOAP12_NS, "fault");
+    private static final QName SOAP12_OPERATION = new QName(SOAP12_NS, "operation");
+
+    private static final String BINDING_SUFFIX = "Binding";
+    private static final String SERVICE_SUFFIX = "Service";
+    private static final String PORT_SUFFIX = "Port";
+
+    private boolean requiresSOAP12;
+    private QName soapAddress;
+    private QName soapBinding;
+    private QName soapBody;
+    private QName soapFault;
+    private QName soapOperation;
+
+    public WSDLDefinitionGenerator(boolean requiresSOAP12) {
+        super();
+        this.requiresSOAP12 = requiresSOAP12;
+        soapAddress = requiresSOAP12 ? SOAP12_ADDRESS : SOAP_ADDRESS;
+        soapBinding = requiresSOAP12 ? SOAP12_BINDING : SOAP_BINDING;
+        soapBody = requiresSOAP12 ? SOAP12_BODY : SOAP_BODY;
+        soapFault = requiresSOAP12 ? SOAP12_FAULT : SOAP_FAULT;
+        soapOperation = requiresSOAP12 ? SOAP12_OPERATION : SOAP_OPERATION;
+    }
+
+    public Definition cloneDefinition(WSDLFactory factory, Definition definition) throws WSDLException {
+        Element root = definition.getDocumentationElement();
+        root = (Element)root.cloneNode(true);
+        WSDLReader reader = factory.newWSDLReader();
+        return reader.readWSDL(definition.getDocumentBaseURI(), root);
+    }
+    
+    public Types createTypes(Definition definition) {
+        Types types = definition.createTypes();
+        definition.setTypes(types);
+        return types;
+    }
+
+    public Binding createBinding(Definition definition, PortType portType) {
+        try {
+            Binding binding = definition.createBinding();
+            binding.setPortType(portType);
+            configureBinding(definition, binding, portType);
+            ExtensibilityElement bindingExtension =
+                definition.getExtensionRegistry().createExtension(Binding.class, soapBinding);
+            if (requiresSOAP12) {
+                ((SOAP12Binding)bindingExtension).setStyle("document");
+                ((SOAP12Binding)bindingExtension).setTransportURI("http://schemas.xmlsoap.org/soap/http");
+            } else {
+                ((SOAPBinding)bindingExtension).setStyle("document");
+                ((SOAPBinding)bindingExtension).setTransportURI("http://schemas.xmlsoap.org/soap/http");
+            }
+            binding.addExtensibilityElement(bindingExtension);
+            return binding;
+        } catch (WSDLException e) {
+            throw new WSDLGenerationException(e);
+        }
+    }
+
+    protected void configureBinding(Definition definition, Binding binding, PortType portType) throws WSDLException {
+        QName portTypeName = portType.getQName();
+        if (portTypeName != null) {
+            // Choose <porttype>Binding if available.  If this name is in use, insert
+            // separating underscores until there is no clash.
+            for (String suffix = BINDING_SUFFIX; ; suffix = "_" + suffix) { 
+                QName name = new QName(definition.getTargetNamespace(), portTypeName.getLocalPart() + suffix);
+                if (definition.getBinding(name) == null) {
+                    binding.setQName(name);
+                    break;
+                }
+            }
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    public void createBindingOperations(Definition definition, Binding binding, PortType portType) {
+        try {
+            for (Iterator oi = portType.getOperations().iterator(); oi.hasNext();) {
+                Operation operation = (Operation)oi.next();
+                BindingOperation bindingOperation = createBindingOperation(definition, operation, "");
+                binding.addBindingOperation(bindingOperation);
+            }
+        } catch (WSDLException e) {
+            throw new WSDLGenerationException(e);
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    public BindingOperation createBindingOperation(Definition definition, Operation operation, String action)
+        throws WSDLException {
+        BindingOperation bindingOperation = definition.createBindingOperation();
+        bindingOperation.setOperation(operation);
+        configureBindingOperation(bindingOperation, operation);
+        ExtensibilityElement operationExtension =
+            definition.getExtensionRegistry().createExtension(BindingOperation.class, soapOperation);
+        if (requiresSOAP12) {
+            ((SOAP12Operation)operationExtension).setSoapActionURI(action);
+        } else {
+            ((SOAPOperation)operationExtension).setSoapActionURI(action);
+        }
+        bindingOperation.addExtensibilityElement(operationExtension);
+        if (operation.getInput() != null) {
+            BindingInput bindingInput = definition.createBindingInput();
+            configureBindingInput(bindingInput, operation.getInput());
+            ExtensibilityElement inputExtension =
+                definition.getExtensionRegistry().createExtension(BindingInput.class, soapBody);
+            if (requiresSOAP12) {
+                ((SOAP12Body)inputExtension).setUse("literal");
+            } else {
+                ((SOAPBody)inputExtension).setUse("literal");
+            }
+            bindingInput.addExtensibilityElement(inputExtension);
+            bindingOperation.setBindingInput(bindingInput);
+        }
+        if (operation.getOutput() != null) {
+            BindingOutput bindingOutput = definition.createBindingOutput();
+            configureBindingOutput(bindingOutput, operation.getOutput());
+            ExtensibilityElement outputExtension =
+                definition.getExtensionRegistry().createExtension(BindingOutput.class, soapBody);
+            if (requiresSOAP12) {
+                ((SOAP12Body)outputExtension).setUse("literal");
+            } else {
+                ((SOAPBody)outputExtension).setUse("literal");
+            }
+            bindingOutput.addExtensibilityElement(outputExtension);
+            bindingOperation.setBindingOutput(bindingOutput);
+        }
+        for (Iterator fi = operation.getFaults().values().iterator(); fi.hasNext();) {
+            Fault fault = (Fault)fi.next();
+            BindingFault bindingFault = definition.createBindingFault();
+            ExtensibilityElement faultExtension =
+                definition.getExtensionRegistry().createExtension(BindingFault.class, soapFault);
+            configureBindingFault(bindingFault, faultExtension, fault);
+            bindingFault.addExtensibilityElement(faultExtension);
+            bindingOperation.addBindingFault(bindingFault);
+        }
+        return bindingOperation;
+    }
+
+    protected void configureBindingOperation(BindingOperation bindingOperation, Operation operation)
+        throws WSDLException {
+        bindingOperation.setName(operation.getName());
+    }
+
+    protected void configureBindingInput(BindingInput bindingInput, Input input) throws WSDLException {
+        bindingInput.setName(input.getName());
+    }
+
+    protected void configureBindingOutput(BindingOutput bindingOutput, Output output) throws WSDLException {
+        bindingOutput.setName(output.getName());
+    }
+
+    protected void configureBindingFault(BindingFault bindingFault,
+                                         ExtensibilityElement faultExtension,
+                                         Fault fault)
+                                     throws WSDLException {
+        String faultName = fault.getName();
+        bindingFault.setName(faultName);
+        if (requiresSOAP12) {
+            ((SOAP12Fault)faultExtension).setName(faultName);
+            ((SOAP12Fault)faultExtension).setUse("literal");
+        } else {
+            ((SOAPFault)faultExtension).setName(faultName);
+            ((SOAPFault)faultExtension).setUse("literal");
+        }
+    }
+
+    public Service createService(Definition definition, PortType portType) {
+        try {
+            Service service = definition.createService();
+            configureService(definition, service, portType);
+            // createPort(definition, binding, service);
+            definition.addService(service);
+            return service;
+        } catch (WSDLException e) {
+            throw new WSDLGenerationException(e);
+        }
+    }
+
+    public Service createService(Definition definition, Binding binding) {
+        try {
+            Service service = definition.createService();
+            configureService(definition, service, binding.getPortType());
+            // createPort(definition, binding, service);
+            definition.addService(service);
+            return service;
+        } catch (WSDLException e) {
+            throw new WSDLGenerationException(e);
+        }
+    }
+
+    protected void configureService(Definition definition, Service service, PortType portType) throws WSDLException {
+        QName portTypeName = portType.getQName();
+        if (portTypeName != null) {
+            // Choose <porttype>Service if available.  If this name is in use, insert
+            // separating underscores until there is no clash.
+            for (String suffix = SERVICE_SUFFIX; ; suffix = "_" + suffix) {
+                QName name = new QName(definition.getTargetNamespace(), portTypeName.getLocalPart() + suffix);
+                if (definition.getService(name) == null) {
+                    service.setQName(name);
+                    break;
+                }
+            }
+        }
+    }
+
+    public Port createPort(Definition definition, Binding binding, Service service, String uri) {
+        try {
+            Port port = definition.createPort();
+            port.setBinding(binding);
+            configurePort(port, binding);
+            if (uri != null) {
+                ExtensibilityElement portExtension =
+                    definition.getExtensionRegistry().createExtension(Port.class, soapAddress);
+                if (requiresSOAP12) {
+                    ((SOAP12Address)portExtension).setLocationURI(uri);
+                } else {
+                    ((SOAPAddress)portExtension).setLocationURI(uri);
+                }
+                port.addExtensibilityElement(portExtension);
+            }
+            service.addPort(port);
+            return port;
+        } catch (WSDLException e) {
+            throw new WSDLGenerationException(e);
+        }
+    }
+
+    protected void configurePort(Port port, Binding binding) throws WSDLException {
+        if (binding.getPortType() != null && binding.getPortType().getQName() != null) {
+            port.setName(binding.getPortType().getQName().getLocalPart() + PORT_SUFFIX);
+        }
+    }
+
+}
diff --git a/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/WSDLGenerationException.java b/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/WSDLGenerationException.java
new file mode 100644
index 0000000000..bf9e22f645
--- /dev/null
+++ b/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/WSDLGenerationException.java
@@ -0,0 +1,54 @@
+/*
+ * 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.binding.ws.wsdlgen;
+
+import org.apache.tuscany.sca.monitor.Problem;
+import org.osoa.sca.ServiceRuntimeException;
+
+public class WSDLGenerationException extends ServiceRuntimeException {
+    private static final long serialVersionUID = 1L;
+    private Problem problem;
+
+    public WSDLGenerationException() {
+        super();
+    }
+
+    public WSDLGenerationException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public WSDLGenerationException(String message) {
+        super(message);
+    }
+
+    public WSDLGenerationException(Throwable cause) {
+        super(cause);
+    }
+
+    public WSDLGenerationException(String message, Throwable cause, Problem problem) {
+        super(message, cause);
+        this.problem = problem;
+    }
+
+    public Problem getProblem() {
+        return problem;
+    }
+
+}
diff --git a/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/WSDLServiceGenerator.java b/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/WSDLServiceGenerator.java
new file mode 100644
index 0000000000..407877c36d
--- /dev/null
+++ b/java/sca/modules/binding-ws-wsdlgen/src/main/java/org/apache/tuscany/sca/binding/ws/wsdlgen/WSDLServiceGenerator.java
@@ -0,0 +1,527 @@
+/*
+ * 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.binding.ws.wsdlgen;
+
+//FIXME: trim the import list down to what's really needed
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.wsdl.Binding;
+import javax.wsdl.BindingOperation;
+import javax.wsdl.Definition;
+import javax.wsdl.Import;
+import javax.wsdl.Port;
+import javax.wsdl.PortType;
+import javax.wsdl.Service;
+import javax.wsdl.WSDLException;
+import javax.wsdl.extensions.ExtensibilityElement;
+import javax.wsdl.extensions.soap.SOAPAddress;
+import javax.wsdl.extensions.soap.SOAPBinding;
+import javax.wsdl.extensions.soap.SOAPOperation;
+import javax.wsdl.extensions.soap12.SOAP12Address;
+import javax.wsdl.extensions.soap12.SOAP12Binding;
+import javax.wsdl.factory.WSDLFactory;
+import javax.wsdl.xml.WSDLWriter;
+import javax.xml.namespace.QName;
+import javax.xml.stream.FactoryConfigurationError;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.transform.dom.DOMSource;
+
+import org.apache.tuscany.sca.assembly.AbstractContract;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.CompositeService;
+import org.apache.tuscany.sca.assembly.builder.impl.ProblemImpl;
+import org.apache.tuscany.sca.binding.ws.WebServiceBinding;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.PolicySetAttachPoint;
+import org.apache.tuscany.sca.policy.security.ws.Axis2ConfigParamPolicy;
+import org.apache.tuscany.sca.policy.util.PolicyHandler;
+import org.apache.tuscany.sca.policy.util.PolicyHandlerTuple;
+import org.apache.tuscany.sca.policy.util.PolicyHandlerUtils;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.w3c.dom.Text;
+
+/**
+ * WSDLServiceGenerator generates a binding WSDL service document.
+ *
+ * @version $Rev$ $Date$
+ */
+public class WSDLServiceGenerator {
+    // the following switch is temporary for debugging
+    public static boolean printWSDL;  // external code sets this to print generated WSDL
+    
+    private static final Logger logger = Logger.getLogger(WSDLServiceGenerator.class.getName());
+    private static final QName TRANSPORT_JMS_QUALIFIED_INTENT =
+        new QName("http://www.osoa.org/xmlns/sca/1.0", "transport.jms");
+    private static final String DEFAULT_QUEUE_CONNECTION_FACTORY = "TuscanyQueueConnectionFactory";
+    private static final String ADDRESS = "Address";
+
+    private WSDLServiceGenerator() {
+        // this class has static methods only and cannot be instantiated
+    }
+
+    /**
+     * Log a warning message.
+     * @param problem
+     */
+    private static void logWarning(Problem problem) {
+        Logger problemLogger = Logger.getLogger(problem.getSourceClassName(), problem.getBundleName());
+        if (problemLogger != null){
+            problemLogger.logp(Level.WARNING, problem.getSourceClassName(), null, problem.getMessageId(), problem.getMessageParams());
+        } else {
+            logger.severe("Can't get logger " + problem.getSourceClassName()+ " with bundle " + problem.getBundleName());
+        }
+    }
+
+    /**
+     * Report a warning.
+     * @param message
+     * @param binding
+     * @param parameters
+     */
+    private static void warning(Monitor monitor, String message, WebServiceBinding wsBinding, String... messageParameters) {
+        Problem problem = new ProblemImpl(WSDLServiceGenerator.class.getName(), "wsdlgen-validation-messages", Severity.WARNING, wsBinding, message, (Object[])messageParameters);
+        if (monitor != null) {
+            monitor.problem(problem);
+        } else {
+            logWarning(problem);
+        }
+    }
+
+    /**
+     * Report an error.
+     * @param message
+     * @param binding
+     * @param parameters
+     */
+    private static void error(Monitor monitor, String message, WebServiceBinding wsBinding, String... messageParameters) {
+        Problem problem = new ProblemImpl(WSDLServiceGenerator.class.getName(), "wsdlgen-validation-messages", Severity.ERROR, wsBinding, message, (Object[])messageParameters);
+        if (monitor != null) {
+            monitor.problem(problem);
+        } else {
+            throw new WSDLGenerationException(problem.toString(), null, problem);
+        }
+    }
+
+    /**
+     * Generate a suitably configured WSDL definition
+     */
+    protected static Definition configureWSDLDefinition(WebServiceBinding wsBinding,
+                                                        Component component,
+                                                        AbstractContract contract,
+                                                        Monitor monitor) {
+
+        // For every promoted composite service, the underlying component
+        // gets a copy of the service with the name prefixed by "$promoted$."
+        String contractName = (contract instanceof CompositeService ? "$promoted$." : "") + contract.getName();
+
+        List<Port> ports = new ArrayList<Port>();
+        WSDLDefinition wsdlDefinition = wsBinding.getWSDLDefinition();
+        if (wsdlDefinition == null) {
+            return null;
+        }
+        Definition def = wsdlDefinition.getDefinition();
+        if (wsdlDefinition.getBinding() == null) {
+            // The WSDL document was provided by the user.  Generate a new
+            // WSDL document with imports from the user-provided document.
+            WSDLFactory factory = null;
+            try {
+                factory = WSDLFactory.newInstance();
+            } catch (WSDLException e) {
+                throw new WSDLGenerationException(e);
+            }
+            Definition newDef = factory.newDefinition();
+
+            // Construct a target namespace from the base URI of the user's
+            // WSDL document (is this what we should be using?) and a path
+            // computed according to the SCA Web Service binding spec.
+            String nsName = component.getName() + "/" + contractName;
+            String namespaceURI = null;
+            try {
+                URI userTNS = new URI(def.getTargetNamespace());
+                namespaceURI = userTNS.resolve("/" + nsName).toString();
+            } catch (URISyntaxException e1) {
+                throw new WSDLGenerationException(e1);
+            } catch (IllegalArgumentException e2) {
+                throw new WSDLGenerationException(e2);
+            }
+
+            // set name and targetNamespace attributes on the definition
+            String defsName = component.getName() + "." + contractName;
+            newDef.setQName(new QName(namespaceURI, defsName));
+            newDef.setTargetNamespace(namespaceURI);
+            newDef.addNamespace("tns", namespaceURI);
+
+            // set wsdl namespace prefix on the definition
+            newDef.addNamespace("wsdl", "http://schemas.xmlsoap.org/wsdl/");
+
+            // import the service or reference interface portType
+            List<WSDLDefinition> imports = new ArrayList<WSDLDefinition>();
+            Interface interfaze = wsBinding.getBindingInterfaceContract().getInterface();
+            if (interfaze instanceof WSDLInterface) {
+                PortType portType = ((WSDLInterface)interfaze).getPortType();
+                boolean ok = importPortType(portType, wsdlDefinition, newDef, imports);
+                if (!ok) {
+                    error(monitor, "PortTypeNotFound", wsBinding, portType.getQName().toString(),
+                          component.getName(), contract.getName());
+                }
+            }
+
+            // import an existing binding if specified
+            Binding binding = wsBinding.getBinding();
+            if (binding != null) {
+                boolean ok = importBinding(binding, wsdlDefinition, newDef, imports);
+                if (ok) {
+                    boolean ok2 = importPortType(binding.getPortType(), wsdlDefinition, newDef, imports);
+                    if (!ok2) {
+                        error(monitor, "PortTypeNotFound", wsBinding, binding.getPortType().getQName().toString(),
+                              component.getName(), contract.getName());
+                    }
+                } else {
+                    error(monitor, "BindingNotFound", wsBinding, binding.getQName().toString(),
+                          component.getName(), contract.getName());
+                }
+            }
+
+            // import bindings and portTypes needed by services and ports 
+            QName serviceQName = wsBinding.getServiceName();
+            String portName = wsBinding.getPortName();
+            if (serviceQName != null) {
+                Service service = def.getService(serviceQName); 
+                if (portName != null) {
+                    Port port = service.getPort(portName);
+                    Port newPort = copyPort(newDef, port, wsBinding);
+                    if (newPort != null) {
+                        importBinding(port.getBinding(), wsdlDefinition, newDef, imports);
+                        ports.add(newPort);
+                    } else {
+                        error(monitor, "InvalidPort", wsBinding, serviceQName.toString(), portName,
+                              component.getName(), contract.getName());
+                    }
+                } else {
+                    for (Object port : service.getPorts().values()) {
+                        Port newPort = copyPort(newDef, (Port)port, wsBinding);
+                        if (newPort != null) {
+                            importBinding(((Port)port).getBinding(), wsdlDefinition, newDef, imports);
+                            ports.add(newPort);
+                        } else {
+                            // not an error, just ignore the port
+                            warning(monitor, "IgnoringPort", wsBinding, serviceQName.toString(), ((Port)port).getName(),
+                                    component.getName(), contract.getName());
+                        }
+                    }
+                    if (ports.size() == 0) {
+                        error(monitor, "NoValidPorts", wsBinding, serviceQName.toString(),
+                              component.getName(), contract.getName());
+                    }
+                }
+            }
+
+            // replace original WSDL definition by the generated definition
+            def = newDef;
+
+        } else {
+            // The WSDL definition was generated by Interface2WSDLGenerator.
+            // Reuse it instead of creating a new definition here.
+        }
+
+        // add a service and ports to the generated definition  
+        WSDLDefinitionGenerator helper =
+                new WSDLDefinitionGenerator(BindingWSDLGenerator.requiresSOAP12(wsBinding));
+        WSDLInterface wi = (WSDLInterface)wsBinding.getBindingInterfaceContract().getInterface();
+        PortType portType = wi.getPortType();
+        Service service = helper.createService(def, portType);
+        if (wsBinding.getBinding() == null && ports.size() == 0) {
+            Binding binding = helper.createBinding(def, portType);
+            if (BindingWSDLGenerator.requiresSOAP12(wsBinding)) {
+                def.addNamespace("soap12", "http://schemas.xmlsoap.org/wsdl/soap12/");
+            } else {
+                def.addNamespace("soap11", "http://schemas.xmlsoap.org/wsdl/soap/");
+            }
+            helper.createBindingOperations(def, binding, portType);
+            binding.setUndefined(false);
+            def.addBinding(binding);
+            
+            String endpointURI = computeActualURI(wsBinding, null);
+            Port port = helper.createPort(def, binding, service, endpointURI);
+            wsBinding.setService(service);
+            wsBinding.setPort(port);
+        } else {
+            if (ports.size() > 0) {
+                // there are one or more user-specified valid ports
+                for (Port port : ports) {
+                    service.addPort(port);
+                }
+                if (ports.size() == 1) {
+                    // only one port, so use it
+                    wsBinding.setPort(ports.get(0));
+                } else {
+                    // multiple ports, make them all available
+                    wsBinding.setPort(null);
+                }
+            } else {
+                // no valid user-specified ports, so create a suitably configured port
+                String endpointURI = computeActualURI(wsBinding, null);
+                Port port = helper.createPort(def, wsBinding.getBinding(), service, endpointURI);
+                if (BindingWSDLGenerator.requiresSOAP12(wsBinding)) {
+                    def.addNamespace("soap12", "http://schemas.xmlsoap.org/wsdl/soap12/");
+                } else {
+                    def.addNamespace("soap11", "http://schemas.xmlsoap.org/wsdl/soap/");
+                }
+                wsBinding.setPort(port);
+            }
+            wsBinding.setService(service);
+        }
+
+        // for debugging
+        if (printWSDL) {
+            try {
+                System.out.println("Generated WSDL for " + component.getName() + "/" + contractName);
+                WSDLWriter writer =  javax.wsdl.factory.WSDLFactory.newInstance().newWSDLWriter();
+                writer.writeWSDL(def, System.out);
+            } catch (WSDLException e) {
+                throw new WSDLGenerationException(e);
+            }
+        }
+
+        return def;
+    }
+
+    private static boolean importPortType(PortType portType,
+                                          WSDLDefinition wsdlDef,
+                                          Definition newDef,
+                                          List<WSDLDefinition> imports) {
+        return addImport(portType.getQName(), PortType.class, wsdlDef, newDef, imports);
+    }
+    
+    private static boolean importBinding(Binding binding,
+                                         WSDLDefinition wsdlDef,
+                                         Definition newDef,
+                                         List<WSDLDefinition> imports) {
+        boolean ok = addImport(binding.getQName(), Binding.class, wsdlDef, newDef, imports);
+        if (ok) {
+            List bindingExtensions = binding.getExtensibilityElements();
+            for (final Object extension : bindingExtensions) {
+                if (extension instanceof SOAPBinding) {
+                    newDef.addNamespace("soap11", "http://schemas.xmlsoap.org/wsdl/soap/");
+                }
+                if (extension instanceof SOAP12Binding) {
+                    newDef.addNamespace("soap12", "http://schemas.xmlsoap.org/wsdl/soap12/");
+                }
+            }
+        }
+        return ok;
+    }
+    
+    private static boolean addImport(QName name,
+                                     Class type,
+                                     WSDLDefinition wsdlDef,
+                                     Definition newDef,
+                                     List<WSDLDefinition> imports) {
+        String namespace = name.getNamespaceURI();
+        if (newDef.getImports(namespace) == null) {
+            WSDLDefinition impDef = findDefinition(wsdlDef, name, type);
+            if (impDef != null) {
+                Import imp = newDef.createImport();
+                imp.setNamespaceURI(namespace);
+                imp.setLocationURI(impDef.getURI().toString());
+                imp.setDefinition(impDef.getDefinition());
+                newDef.addNamespace("ns" + imports.size(), namespace);
+                newDef.addImport(imp);
+                imports.add(impDef);
+                return true;
+            } else {
+                // import was not added because element not found
+                return false;
+            }
+        }
+        return true;
+    }
+
+    private static WSDLDefinition findDefinition(WSDLDefinition wsdlDef, QName name, Class type) {
+        if (wsdlDef == null || name == null) {
+            return wsdlDef;
+        }
+        if (wsdlDef.getURI() != null) {  // not a facade
+            Definition def = wsdlDef.getDefinition();
+            Map types = type == PortType.class ? def.getPortTypes() : def.getBindings();
+            if (types.get(name) != null) {
+                return wsdlDef;
+            }
+        }
+        for (WSDLDefinition impDef : wsdlDef.getImportedDefinitions()) {
+            WSDLDefinition d = findDefinition(impDef, name, type);
+            if (d != null) {
+                return d;
+            }
+        }
+        return null;
+    }
+
+    private static Port copyPort(Definition def, Port port, WebServiceBinding wsBinding) {
+        Port newPort = def.createPort();
+        newPort.setName(port.getName());
+        newPort.setBinding(port.getBinding());
+        List portExtensions = port.getExtensibilityElements();
+        for (final Object extension : portExtensions) {
+            ExtensibilityElement newExt = null;
+            if (extension instanceof SOAPAddress) {
+                def.addNamespace("soap11", "http://schemas.xmlsoap.org/wsdl/soap/");
+                try {
+                    newExt = def.getExtensionRegistry().createExtension(
+                             Port.class, WSDLDefinitionGenerator.SOAP_ADDRESS);
+                } catch (WSDLException e) {
+                }
+                String uri = computeActualURI(wsBinding, port);
+                ((SOAPAddress)newExt).setLocationURI(uri);
+                newPort.addExtensibilityElement(newExt);
+            } else if (extension instanceof SOAP12Address) {
+                def.addNamespace("soap12", "http://schemas.xmlsoap.org/wsdl/soap12/");
+                try {
+                    newExt = def.getExtensionRegistry().createExtension(
+                             Port.class, WSDLDefinitionGenerator.SOAP12_ADDRESS);
+                } catch (WSDLException e) {
+                }
+                String uri = computeActualURI(wsBinding, port);
+                ((SOAP12Address)newExt).setLocationURI(uri);
+                newPort.addExtensibilityElement(newExt);
+            } else {
+                // we don't support ports with other extensibility elements such as HTTPAddress
+                return null;
+            }
+        }
+        return newPort;
+    }
+
+    /**
+     * Compute the endpoint URI based on section 2.1.1 of the WS binding Specification 1.
+     * The URIs in the endpoint(s) of the referenced WSDL, which may be relative
+     * 2. The URI specified by the wsa:Address element of the
+     * wsa:EndpointReference, which may be relative 3. The explicitly stated URI
+     * in the "uri" attribute of the binding.ws element, which may be relative,
+     * 4. The implicit URI as defined by in section 1.7 in the SCA Assembly Specification
+     * If the <binding.ws> has no wsdlElement but does have a uri attribute then
+     * the uri takes precedence over any implicitly used WSDL.
+     * 
+     */
+    private static String computeActualURI(WebServiceBinding wsBinding, Port port) {
+
+        URI eprURI = null;
+        if (wsBinding.getEndPointReference() != null) {
+            eprURI = getEPR(wsBinding); 
+        }
+
+        URI wsdlURI = null;
+        if (wsBinding.getServiceName() != null && wsBinding.getBindingName() == null) {
+            // <binding.ws> explicitly points at a WSDL port, may be a relative URI
+            wsdlURI = getEndpoint(port);
+        }
+
+        // if the WSDL port/endpoint has an absolute URI use that
+        if (wsdlURI != null && wsdlURI.isAbsolute()) {
+            return wsdlURI.toString();
+        }
+
+        // if the wsa:EndpointReference has an address element with an absolute URI use that
+        if (eprURI != null && eprURI.isAbsolute()) {
+            return eprURI.toString();
+        }
+        
+        // either there is no WSDL port endpoint URI or that URI is relative
+        String actualURI = wsBinding.getURI();
+        if (eprURI != null && eprURI.toString().length() != 0) {
+            // there is a relative URI in the binding EPR
+            actualURI = actualURI + "/" + eprURI;
+        }
+
+        if (wsdlURI != null && wsdlURI.toString().length() != 0) {
+            // there is a relative URI in the WSDL port
+            actualURI = actualURI + "/" + wsdlURI;
+        }
+        
+        if (actualURI != null) {
+            actualURI = URI.create(actualURI).normalize().toString();
+        }
+        
+        return actualURI;
+    }
+
+    private static URI getEPR(WebServiceBinding wsBinding) {
+        NodeList nodeList = wsBinding.getEndPointReference().getChildNodes();
+        for (int i = 0; i < nodeList.getLength(); i++) {
+            Node childNode = nodeList.item(i);
+            if (childNode instanceof Element && ADDRESS.equals(childNode.getLocalName())) {
+                NodeList addrNodes = childNode.getChildNodes();
+                for (int j = 0; j < addrNodes.getLength(); j++) {
+                    Node addrNode = addrNodes.item(j);
+                    if (addrNode instanceof Text) {
+                        return URI.create(((Text)addrNode).getWholeText());
+                    }
+                }
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Returns the endpoint of a given port.
+     */
+    private static URI getEndpoint(Port wsdlPort) {
+        if (wsdlPort != null) {
+            List<?> wsdlPortExtensions = wsdlPort.getExtensibilityElements();
+            for (Object extension : wsdlPortExtensions) {
+                if (extension instanceof SOAPAddress) {
+                    String uri = ((SOAPAddress)extension).getLocationURI();
+                    return (uri == null || "".equals(uri)) ? null : URI.create(uri);
+                }
+                if (extension instanceof SOAP12Address) {
+                    SOAP12Address address = (SOAP12Address)extension;
+                    String uri = address.getLocationURI();
+                    return (uri == null || "".equals(uri)) ? null : URI.create(uri);
+                }
+            }
+        }
+        return null;
+    }
+
+}
diff --git a/java/sca/modules/binding-ws-wsdlgen/src/main/resources/wsdlgen-validation-messages.properties b/java/sca/modules/binding-ws-wsdlgen/src/main/resources/wsdlgen-validation-messages.properties
new file mode 100644
index 0000000000..91e99f1891
--- /dev/null
+++ b/java/sca/modules/binding-ws-wsdlgen/src/main/resources/wsdlgen-validation-messages.properties
@@ -0,0 +1,30 @@
+#
+#
+#    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.
+#
+#
+WsdlGenProblem = Unable to generate WSDL for {0}/{1}
+WsdlGenException = Exception while generating WSDL for {0}/{1}
+UnexpectedException = Exception thrown was: {0}
+MissingInterfaceContract = No interface contract for {0}/{1}
+InterfaceNotRemotable = Interface not remotable: {0}
+IgnoringPort = Port {0}/{1} in {2}/{3} is not supported and was ignored
+PortTypeNotFound = PortType {0} in {1}/{2} was not found
+BindingNotFound = Binding {0} in {1}/{2} was not found
+InvalidPort = Port {0}/{1} in {2}/{3} is not supported
+NoValidPorts = No valid ports for service {0} in {1}/{2}