Add SCANodeFactory/SCANode and rename the artifact ids from node2-xxx to node-xxx

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@686901 13f79535-47bb-0310-9956-ffa450edef68

14 files changed, 2024 insertions, 0 deletions

diff --git a/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/Node2FactoryImpl.java b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/Node2FactoryImpl.java
new file mode 100644
index 0000000000..419900c5ac
--- /dev/null
+++ b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/Node2FactoryImpl.java
@@ -0,0 +1,57 @@
+/*
+ * 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.node.impl;
+
+import org.apache.tuscany.sca.node.SCAContribution;
+import org.apache.tuscany.sca.node.SCANode2;
+import org.apache.tuscany.sca.node.SCANode2Factory;
+
+/**
+ * Default implementation of an SCA node factory.
+ * 
+ * @version $Rev$ $Date$
+ * @deprecated
+ */
+@Deprecated
+public class Node2FactoryImpl extends SCANode2Factory {
+    public Node2FactoryImpl() {
+    }
+    
+    @Override
+    public SCANode2 createSCANodeFromClassLoader(String compositeURI, ClassLoader classLoader) {
+        return new Node2Impl(classLoader, compositeURI);
+    }
+
+    @Override
+    public SCANode2 createSCANodeFromURL(String configurationURI) {
+        return new Node2Impl(configurationURI);
+    }
+    
+    @Override
+    public SCANode2 createSCANode(String compositeURI, SCAContribution... contributions) {
+        return new Node2Impl(compositeURI, contributions);
+    }
+
+    @Override
+    public SCANode2 createSCANode(String compositeURI, String compositeContent, SCAContribution... contributions) {
+        return new Node2Impl(compositeURI, compositeContent, contributions);
+    }
+
+}
diff --git a/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/Node2Impl.java b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/Node2Impl.java
new file mode 100644
index 0000000000..bc2f10fb7e
--- /dev/null
+++ b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/Node2Impl.java
@@ -0,0 +1,63 @@
+/*
+ * 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.node.impl;
+
+import org.apache.tuscany.sca.node.SCAContribution;
+import org.apache.tuscany.sca.node.SCANode2;
+
+/**
+ * Node2 Impl
+ */
+public class Node2Impl extends NodeImpl implements SCANode2 {
+
+    /**
+     * @param configurationURI
+     */
+    public Node2Impl(String configurationURI) {
+        super(configurationURI);
+        // TODO Auto-generated constructor stub
+    }
+
+    /**
+     * @param classLoader
+     * @param compositeURI
+     */
+    public Node2Impl(ClassLoader classLoader, String compositeURI) {
+        super(classLoader, compositeURI);
+    }
+
+    /**
+     * @param compositeURI
+     * @param contributions
+     */
+    public Node2Impl(String compositeURI, SCAContribution[] contributions) {
+        super(compositeURI, contributions);
+    }
+
+    /**
+     * @param compositeURI
+     * @param compositeContent
+     * @param contributions
+     */
+    public Node2Impl(String compositeURI, String compositeContent, SCAContribution[] contributions) {
+        super(compositeURI, compositeContent, contributions);
+    }
+
+}
diff --git a/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeFactoryImpl.java b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeFactoryImpl.java
new file mode 100644
index 0000000000..18b166acdd
--- /dev/null
+++ b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeFactoryImpl.java
@@ -0,0 +1,55 @@
+/*
+ * 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.node.impl;
+
+import org.apache.tuscany.sca.node.SCAContribution;
+import org.apache.tuscany.sca.node.SCANode;
+import org.apache.tuscany.sca.node.SCANodeFactory;
+
+/**
+ * Default implementation of an SCA node factory.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class NodeFactoryImpl extends SCANodeFactory {
+    public NodeFactoryImpl() {
+    }
+    
+    @Override
+    public SCANode createSCANodeFromClassLoader(String compositeURI, ClassLoader classLoader) {
+        return new NodeImpl(classLoader, compositeURI);
+    }
+
+    @Override
+    public SCANode createSCANodeFromURL(String configurationURI) {
+        return new NodeImpl(configurationURI);
+    }
+    
+    @Override
+    public SCANode createSCANode(String compositeURI, SCAContribution... contributions) {
+        return new NodeImpl(compositeURI, contributions);
+    }
+
+    @Override
+    public SCANode createSCANode(String compositeURI, String compositeContent, SCAContribution... contributions) {
+        return new NodeImpl(compositeURI, compositeContent, contributions);
+    }
+
+}
diff --git a/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java
new file mode 100644
index 0000000000..e35203bc5b
--- /dev/null
+++ b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java
@@ -0,0 +1,818 @@
+/*
+* 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.node.impl;
+
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.CompositeService;
+import org.apache.tuscany.sca.assembly.xml.CompositeDocumentProcessor;
+import org.apache.tuscany.sca.contribution.Artifact;
+import org.apache.tuscany.sca.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.ContributionFactory;
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.service.ContributionService;
+import org.apache.tuscany.sca.contribution.service.util.FileHelper;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.core.assembly.ActivationException;
+import org.apache.tuscany.sca.core.assembly.CompositeActivator;
+import org.apache.tuscany.sca.implementation.node.ConfiguredNodeImplementation;
+import org.apache.tuscany.sca.implementation.node.NodeImplementationFactory;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.MonitorFactory;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+import org.apache.tuscany.sca.node.SCAClient;
+import org.apache.tuscany.sca.node.SCAContribution;
+import org.apache.tuscany.sca.node.SCANode;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentContext;
+import org.osoa.sca.CallableReference;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * A local representation of the SCADomain running on a single node
+ * 
+ * @version $Rev$ $Date$
+ */
+public class NodeImpl implements SCANode, SCAClient {
+
+    private static final Logger logger = Logger.getLogger(NodeImpl.class.getName());
+
+    // The node configuration name, used for logging
+    private String configurationName;
+
+    // The Tuscany runtime that does the hard work
+    private RuntimeBootStrapper runtime;
+    private CompositeActivator compositeActivator;
+    private XMLInputFactory inputFactory;
+    private ModelFactoryExtensionPoint modelFactories;
+    private StAXArtifactProcessorExtensionPoint artifactProcessors;
+    private URLArtifactProcessorExtensionPoint documentProcessors;
+    private Monitor monitor;
+
+    private List<Contribution> contributions;
+    // The composite loaded into this node
+    private Composite composite;
+
+    /** 
+     * Constructs a new SCA node.
+     *  
+     * @param configurationURI the URI of the node configuration information.
+     */
+    NodeImpl(String configurationURI) {
+        configurationName = configurationURI;
+        logger.log(Level.INFO, "Creating node: " + configurationName);
+
+        try {
+            // Initialize the runtime
+            initRuntime();
+
+            // Read the node configuration feed
+            StAXArtifactProcessor<ConfiguredNodeImplementation> configurationProcessor =
+                artifactProcessors.getProcessor(ConfiguredNodeImplementation.class);
+            URL configurationURL = new URL(configurationURI);
+            InputStream is = configurationURL.openStream();
+            XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
+            reader.nextTag();
+            ConfiguredNodeImplementation configuration = configurationProcessor.read(reader);
+            is.close();
+
+            // Resolve contribution URLs
+            for (Contribution contribution : configuration.getContributions()) {
+                URL contributionURL = new URL(configurationURL, contribution.getLocation());
+                contribution.setLocation(contributionURL.toString());
+            }
+
+            // Resolve composite URL
+            URL compositeURL = new URL(configurationURL, configuration.getComposite().getURI());
+            configuration.getComposite().setURI(compositeURL.toString());
+
+            // Configure the node
+            configureNode(configuration);
+
+        } catch (Exception e) {
+            throw new ServiceRuntimeException(e);
+        }
+    }
+
+    /**
+     * Construct a node by discovering the node configuration (composite+contrbutions) on the classpath
+     * @param classLoader
+     * @param compositeURI
+     */
+    NodeImpl(ClassLoader classLoader, String compositeURI) {
+        configurationName = compositeURI;
+        logger.log(Level.INFO, "Creating node: " + configurationName);
+
+        if (compositeURI != null) {
+            URI uri = URI.create(compositeURI);
+            if (uri.isAbsolute()) {
+                throw new IllegalArgumentException("Composite URI must be a resource name: " + compositeURI);
+            }
+        }
+        try {
+            // Initialize the runtime
+            initRuntime();
+
+            ConfiguredNodeImplementation config = findNodeConfiguration(compositeURI, classLoader);
+            configureNode(config);
+        } catch (Throwable e) {
+            throw new ServiceRuntimeException(e);
+        }
+    }
+
+    /**
+     * Discover the contribution on the classpath
+     * @param compositeURI
+     * @param classLoader
+     * @return A configured node implementation
+     * @throws Exception
+     */
+    private ConfiguredNodeImplementation findNodeConfiguration(final String compositeURI, ClassLoader classLoader)
+        throws Exception {
+        NodeImplementationFactory nodeImplementationFactory =
+            modelFactories.getFactory(NodeImplementationFactory.class);
+        ConfiguredNodeImplementation config = nodeImplementationFactory.createConfiguredNodeImplementation();
+
+        // Default to thread context classloader
+        if (classLoader == null) {
+            classLoader = Thread.currentThread().getContextClassLoader();
+        }
+        String contributionArtifactPath = compositeURI;
+        URL contributionArtifactURL = null;
+        if (compositeURI != null) {
+            contributionArtifactURL = getResource(classLoader, compositeURI);
+            if (contributionArtifactURL == null) {
+                throw new IllegalArgumentException("Composite not found: " + contributionArtifactPath);
+            }
+            // Set to relative URI to avoid duplicate loading
+            Composite composite = createComposite(compositeURI);
+            config.setComposite(composite);
+        } else {
+            // No composite is specified, tring to search the SCA metadata files
+            contributionArtifactPath = Contribution.SCA_CONTRIBUTION_META;
+            contributionArtifactURL = getResource(classLoader, Contribution.SCA_CONTRIBUTION_META);
+
+            if (contributionArtifactURL == null) {
+                contributionArtifactPath = Contribution.SCA_CONTRIBUTION_GENERATED_META;
+                contributionArtifactURL = getResource(classLoader, Contribution.SCA_CONTRIBUTION_GENERATED_META);
+            }
+            if (contributionArtifactURL == null) {
+                contributionArtifactPath = Contribution.SCA_CONTRIBUTION_DEPLOYABLES;
+                contributionArtifactURL = getResource(classLoader, Contribution.SCA_CONTRIBUTION_DEPLOYABLES);
+            }
+            
+            // No contribution can be discovered
+            if (contributionArtifactURL == null) {
+                throw new IllegalArgumentException("No default contribution can be discovered on the classpath");
+            }
+            
+            // No composite will be created, all deployable composites will be used later
+        }
+
+        Contribution c = getContribution(contributionArtifactURL, contributionArtifactPath);
+        config.getContributions().add(c);
+
+        return config;
+    }
+
+    private Contribution getContribution(URL contributionArtifactURL, String contributionArtifactPath) {
+        URL contributionURL = getContributionURL(contributionArtifactURL, contributionArtifactPath);
+
+        ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class);
+
+        SCAContribution contribution = new SCAContribution(contributionURL.toString(), contributionURL.toString());
+        Contribution c = createContribution(contributionFactory, contribution);
+        return c;
+    }
+
+    public static URL getContributionURL(URL contributionArtifactURL, String contributionArtifactPath) {
+        URL contributionURL = null;
+        // "jar:file://....../something.jar!/a/b/c/app.composite"
+        try {
+            String url = contributionArtifactURL.toExternalForm();
+            String protocol = contributionArtifactURL.getProtocol();
+            if ("file".equals(protocol)) {
+                // directory contribution
+                if (url.endsWith(contributionArtifactPath)) {
+                    final String location = url.substring(0, url.lastIndexOf(contributionArtifactPath));
+                    // workaround from evil URL/URI form Maven
+                    // contributionURL = FileHelper.toFile(new URL(location)).toURI().toURL();
+                    // Allow privileged access to open URL stream. Add FilePermission to added to
+                    // security policy file.
+                    try {
+                        contributionURL = AccessController.doPrivileged(new PrivilegedExceptionAction<URL>() {
+                            public URL run() throws IOException {
+                                return FileHelper.toFile(new URL(location)).toURI().toURL();
+                            }
+                        });
+                    } catch (PrivilegedActionException e) {
+                        throw (MalformedURLException)e.getException();
+                    }
+                }
+
+            } else if ("jar".equals(protocol)) {
+                // jar contribution
+                String location = url.substring(4, url.lastIndexOf("!/"));
+                // workaround for evil URL/URI from Maven
+                contributionURL = FileHelper.toFile(new URL(location)).toURI().toURL();
+
+            } else if ("wsjar".equals(protocol)) {
+                // See https://issues.apache.org/jira/browse/TUSCANY-2219
+                // wsjar contribution 
+                String location = url.substring(6, url.lastIndexOf("!/"));
+                // workaround for evil url/uri from maven 
+                contributionURL = FileHelper.toFile(new URL(location)).toURI().toURL();
+
+            } else if (protocol != null && (protocol.equals("bundle") || protocol.equals("bundleresource"))) {
+                contributionURL =
+                    new URL(contributionArtifactURL.getProtocol(), contributionArtifactURL.getHost(),
+                            contributionArtifactURL.getPort(), "/");
+            }
+        } catch (MalformedURLException mfe) {
+            throw new IllegalArgumentException(mfe);
+        }
+        return contributionURL;
+    }
+
+    private static URL getResource(final ClassLoader classLoader, final String compositeURI) {
+        return AccessController.doPrivileged(new PrivilegedAction<URL>() {
+            public URL run() {
+                return classLoader.getResource(compositeURI);
+            }
+        });
+    }
+
+    /** 
+     * Constructs a new SCA node.
+     *  
+     * @param compositeURI
+     * @param contributions
+     */
+    NodeImpl(String compositeURI, SCAContribution[] contributions) {
+        configurationName = compositeURI;
+        logger.log(Level.INFO, "Creating node: " + configurationName);
+
+        try {
+            // Initialize the runtime
+            initRuntime();
+
+            URI uri = compositeURI == null ? null : URI.create(compositeURI);
+            ConfiguredNodeImplementation configuration = null;
+            if (contributions == null || contributions.length == 0) {
+                if (uri != null && uri.getScheme() != null) {
+                    throw new IllegalArgumentException("No SCA contributions are provided");
+                }
+                configuration = findNodeConfiguration(compositeURI, null);
+            } else {
+
+                // Create a node configuration
+                NodeImplementationFactory nodeImplementationFactory =
+                    modelFactories.getFactory(NodeImplementationFactory.class);
+                configuration = nodeImplementationFactory.createConfiguredNodeImplementation();
+
+                Composite composite = compositeURI == null ? null : createComposite(compositeURI);
+                configuration.setComposite(composite);
+  
+
+                // Create contribution models
+                ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class);
+                for (SCAContribution c : contributions) {
+                    Contribution contribution = createContribution(contributionFactory, c);
+                    configuration.getContributions().add(contribution);
+                }
+            }
+
+            // Configure the node
+            configureNode(configuration);
+
+        } catch (Exception e) {
+            throw new ServiceRuntimeException(e);
+        }
+    }
+
+    private Composite createComposite(String compositeURI) {
+        // Create composite model
+        AssemblyFactory assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
+        Composite composite = assemblyFactory.createComposite();
+        composite.setURI(compositeURI);
+        composite.setUnresolved(true);
+        return composite;
+    }
+
+    /** 
+     * Constructs a new SCA node.
+     *  
+     * @param compositeURI
+     * @param compositeContent
+     * @param contributions
+     */
+    NodeImpl(String compositeURI, String compositeContent, SCAContribution[] contributions) {
+        configurationName = compositeURI;
+        logger.log(Level.INFO, "Creating node: " + configurationName);
+
+        try {
+            // Initialize the runtime
+            initRuntime();
+
+            ConfiguredNodeImplementation configuration = null;
+            if (contributions == null || contributions.length == 0) {
+                configuration = findNodeConfiguration(compositeURI, null);
+            } else {
+                // Create a node configuration
+                NodeImplementationFactory nodeImplementationFactory =
+                    modelFactories.getFactory(NodeImplementationFactory.class);
+                configuration = nodeImplementationFactory.createConfiguredNodeImplementation();
+
+                // Read the composite model
+                StAXArtifactProcessor<Composite> compositeProcessor = artifactProcessors.getProcessor(Composite.class);
+                // URL compositeURL = new URL(compositeURI);
+                logger.log(Level.INFO, "Loading composite: " + compositeURI);
+
+                CompositeDocumentProcessor compositeDocProcessor =
+                    (CompositeDocumentProcessor)documentProcessors.getProcessor(Composite.class);
+                composite =
+                    compositeDocProcessor.read(URI.create(compositeURI), new ByteArrayInputStream(compositeContent
+                        .getBytes("UTF-8")));
+
+                analyzeProblems();
+
+                configuration.setComposite(composite);
+
+                // Create contribution models
+                ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class);
+                for (SCAContribution c : contributions) {
+                    Contribution contribution = createContribution(contributionFactory, c);
+                    configuration.getContributions().add(contribution);
+                }
+            }
+
+            // Configure the node
+            configureNode(configuration);
+
+        } catch (Exception e) {
+            throw new ServiceRuntimeException(e);
+        }
+    }
+
+    private static Contribution createContribution(ContributionFactory contributionFactory, SCAContribution c) {
+        Contribution contribution = contributionFactory.createContribution();
+        contribution.setURI(c.getURI());
+        contribution.setLocation(c.getLocation());
+        contribution.setUnresolved(true);
+        return contribution;
+    }
+
+    /**
+     * Initialize the Tuscany runtime.
+     * 
+     * @throws Exception
+     */
+    private void initRuntime() throws Exception {
+
+        // Create a node runtime
+        runtime = new RuntimeBootStrapper(Thread.currentThread().getContextClassLoader());
+        runtime.start();
+
+        // Get the various factories we need
+        ExtensionPointRegistry registry = runtime.getExtensionPointRegistry();
+        modelFactories = registry.getExtensionPoint(ModelFactoryExtensionPoint.class);
+        inputFactory = modelFactories.getFactory(XMLInputFactory.class);
+
+        // Create the required artifact processors
+        artifactProcessors = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
+
+        documentProcessors = registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
+
+        // Save the composite activator
+        compositeActivator = runtime.getCompositeActivator();
+
+        // save the monitor
+        UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
+        MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class);
+        monitor = monitorFactory.createMonitor();
+    }
+
+    /**
+     * Escape the space in URL string
+     * @param uri
+     * @return
+     */
+    private static URI createURI(String uri) {
+        if (uri.indexOf(' ') != -1) {
+            uri = uri.replace(" ", "%20");
+        }
+        return URI.create(uri);
+    }
+
+    private void configureNode(ConfiguredNodeImplementation configuration) throws Exception {
+
+        // Find if any contribution JARs already available locally on the classpath
+        Map<String, URL> localContributions = localContributions();
+
+        // Load the specified contributions
+        ContributionService contributionService = runtime.getContributionService();
+        contributions = new ArrayList<Contribution>();
+        for (Contribution contribution : configuration.getContributions()) {
+            URI uri = createURI(contribution.getLocation());
+            if (uri.getScheme() == null) {
+                uri = new File(contribution.getLocation()).toURI();
+            }
+            URL contributionURL = uri.toURL();
+
+            // Extract contribution file name
+            String file = contributionURL.getPath();
+            int i = file.lastIndexOf('/');
+            if (i != -1 && i < file.length() - 1) {
+                file = file.substring(i + 1);
+
+                // If we find the local contribution file on the classpath, use it in
+                // place of the original contribution URL
+                URL localContributionURL = localContributions.get(file);
+                if (localContributionURL != null) {
+                    contributionURL = localContributionURL;
+                }
+            }
+
+            // Load the contribution
+            logger.log(Level.INFO, "Loading contribution: " + contributionURL);
+            contributions.add(contributionService.contribute(contribution.getURI(), contributionURL, false));
+            analyzeProblems();
+        }
+
+        composite = configuration.getComposite();
+
+        // FIXME: This is a hack to get a list of deployable composites. By design, the deployment composite should
+        // has been configured
+        if (composite == null) {
+            List<Composite> deployables = new ArrayList<Composite>();
+            for (Contribution c : contributions) {
+                deployables.addAll(c.getDeployables());
+            }
+            aggregate(deployables);
+            configuration.setComposite(composite);
+        }
+
+        Contribution contribution = null;
+        if (composite.getName() == null) {
+            // Load the specified composite
+            URL compositeURL;
+
+            URI uri = createURI(configuration.getComposite().getURI());
+            if (uri.getScheme() == null) {
+
+                // If the composite URI is a relative URI, try to resolve it within the contributions
+                contribution = contribution(contributions, uri.toString());
+                if (contribution == null) {
+                    throw new IllegalArgumentException("Composite is not found in contributions: " + uri);
+                }
+                compositeURL = new URL(location(contribution, uri.toString()));
+
+            } else {
+
+                // If the composite URI is an absolute URI, use it as is
+                compositeURL = uri.toURL();
+            }
+
+            URLArtifactProcessor<Composite> compositeDocProcessor = documentProcessors.getProcessor(Composite.class);
+            // Read the composite
+            logger.log(Level.INFO, "Loading composite: " + compositeURL);
+            // InputStream is = compositeURL.openStream();
+            // XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
+            composite = compositeDocProcessor.read(null, uri, compositeURL);
+            // reader.close();
+
+            analyzeProblems();
+
+        }
+        // And resolve the composite within the scope of the last contribution
+        if (contribution == null && contributions.size() != 0) {
+            contribution = contributions.get(contributions.size() - 1);
+        }
+
+        // Resolve the given composite within the scope of the selected contribution
+        if (contribution != null) {
+            StAXArtifactProcessor<Composite> compositeProcessor = artifactProcessors.getProcessor(Composite.class);
+            compositeProcessor.resolve(composite, contribution.getModelResolver());
+            analyzeProblems();
+        }
+        // Create a top level composite to host our composite
+        // This is temporary to make the activator happy
+        AssemblyFactory assemblyFactory = runtime.getAssemblyFactory();
+        Composite tempComposite = assemblyFactory.createComposite();
+        tempComposite.setName(new QName("http://tempuri.org", "temp"));
+        tempComposite.setURI("http://tempuri.org");
+
+        // Include the node composite in the top-level composite 
+        tempComposite.getIncludes().add(composite);
+
+        // set the top level composite on the composite activator as 
+        // logic in callable reference resolution relies on this being 
+        // available
+        compositeActivator.setDomainComposite(tempComposite);
+
+        // Build the composite
+        runtime.buildComposite(composite);
+
+        analyzeProblems();
+    }
+
+    /**
+     * Create a deployment composite that includes a list of deployable composites
+     * @param composites
+     */
+    private void aggregate(List<Composite> composites) {
+        if (composites.size() == 0) {
+            throw new IllegalArgumentException("No deployable composite is declared");
+        } else if (composites.size() == 1) {
+            composite = composites.get(0);
+        } else {
+            // Include all composites
+            AssemblyFactory assemblyFactory = runtime.getAssemblyFactory();
+            Composite aggregated = assemblyFactory.createComposite();
+            aggregated.setName(new QName("http://tempuri.org", "aggregated"));
+            aggregated.setURI("http://tempuri.org/aggregated");
+            aggregated.getIncludes().addAll(composites);
+            composite = aggregated;
+        }
+    }
+
+    /**
+     * Returns the artifact representing the given composite.
+     * 
+     * @param contribution
+     * @param compositeURI
+     * @return
+     */
+    private String location(Contribution contribution, String uri) {
+        if (uri != null && uri.startsWith("/")) {
+            uri = uri.substring(1);
+        }
+        ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class);
+        Artifact compositeFile = contributionFactory.createArtifact();
+        compositeFile.setUnresolved(true);
+        compositeFile.setURI(uri);
+        ModelResolver resolver = contribution.getModelResolver();
+        Artifact resolved = resolver.resolveModel(Artifact.class, compositeFile);
+        if (resolved != null && !resolved.isUnresolved()) {
+            return resolved.getLocation();
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Returns the contribution containing the given composite.
+     * 
+     * @param contributions
+     * @param compositeURI
+     * @return
+     */
+    private Contribution contribution(List<Contribution> contributions, String compositeURI) {
+        if (compositeURI != null && compositeURI.startsWith("/")) {
+            compositeURI = compositeURI.substring(1);
+        }
+        ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class);
+        Artifact compositeFile = contributionFactory.createArtifact();
+        compositeFile.setUnresolved(true);
+        compositeFile.setURI(compositeURI);
+        for (Contribution c : contributions) {
+            ModelResolver resolver = c.getModelResolver();
+            Artifact resolved = resolver.resolveModel(Artifact.class, compositeFile);
+            if (resolved != null && !resolved.isUnresolved()) {
+                return c;
+            }
+        }
+        return null;
+    }
+
+    private void analyzeProblems() throws Exception {
+
+        for (Problem problem : monitor.getProblems()) {
+            if ((problem.getSeverity() == Severity.ERROR) && (!problem.getMessageId().equals("SchemaError"))) {
+                if (problem.getCause() != null) {
+                    throw problem.getCause();
+                } else {
+                    throw new ServiceRuntimeException(problem.toString());
+                }
+            }
+        }
+    }
+
+    public void start() {
+        logger.log(Level.INFO, "Starting node: " + configurationName);
+
+        try {
+
+            // Activate the composite
+            compositeActivator.activate(composite);
+
+            // Start the composite
+            compositeActivator.start(composite);
+
+        } catch (ActivationException e) {
+            throw new ServiceRuntimeException(e);
+        }
+    }
+
+    public void stop() {
+        logger.log(Level.INFO, "Stopping node: " + configurationName);
+
+        try {
+
+            // Stop the composite
+            compositeActivator.stop(composite);
+
+            // Deactivate the composite
+            compositeActivator.deactivate(composite);
+
+            runtime.stop();
+        } catch (ActivationException e) {
+            throw new ServiceRuntimeException(e);
+        }
+    }
+
+    public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException {
+        return (R)runtime.getProxyFactory().cast(target);
+    }
+
+    public <B> B getService(Class<B> businessInterface, String serviceName) {
+
+        ServiceReference<B> serviceReference = getServiceReference(businessInterface, serviceName);
+        if (serviceReference == null) {
+            throw new ServiceRuntimeException("Service not found: " + serviceName);
+        }
+        return serviceReference.getService();
+    }
+
+    public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String name) {
+
+        // Extract the component name
+        String componentName;
+        String serviceName;
+        int i = name.indexOf('/');
+        if (i != -1) {
+            componentName = name.substring(0, i);
+            serviceName = name.substring(i + 1);
+
+        } else {
+            componentName = name;
+            serviceName = null;
+        }
+
+        // Lookup the component 
+        Component component = null;
+
+        for (Component compositeComponent : composite.getComponents()) {
+            if (compositeComponent.getName().equals(componentName)) {
+                component = compositeComponent;
+            }
+        }
+
+        if (component == null) {
+            throw new ServiceRuntimeException("The service " + name + " has not been contributed to the domain");
+        }
+        RuntimeComponentContext componentContext = null;
+
+        // If the component is a composite, then we need to find the
+        // non-composite component that provides the requested service
+        if (component.getImplementation() instanceof Composite) {
+            for (ComponentService componentService : component.getServices()) {
+                if (serviceName == null || serviceName.equals(componentService.getName())) {
+                    CompositeService compositeService = (CompositeService)componentService.getService();
+                    if (compositeService != null) {
+                        if (serviceName != null) {
+                            serviceName = "$promoted$." + component.getName() + "." + serviceName;
+                        }
+                        componentContext =
+                            ((RuntimeComponent)compositeService.getPromotedComponent()).getComponentContext();
+                        return componentContext.createSelfReference(businessInterface, compositeService
+                            .getPromotedService());
+                    }
+                    break;
+                }
+            }
+            // No matching service found
+            throw new ServiceRuntimeException("Composite service not found: " + name);
+        } else {
+            componentContext = ((RuntimeComponent)component).getComponentContext();
+            if (serviceName != null) {
+                return componentContext.createSelfReference(businessInterface, serviceName);
+            } else {
+                return componentContext.createSelfReference(businessInterface);
+            }
+        }
+    }
+
+    /**
+     * Returns the extension point registry used by this node.
+     * 
+     * @return
+     */
+    public ExtensionPointRegistry getExtensionPointRegistry() {
+        return runtime.getExtensionPointRegistry();
+    }
+
+    /**
+     * Returns the composite being run by this node.
+     * 
+     * @return
+     */
+    public Composite getComposite() {
+        return composite;
+    }
+
+    /**
+     * Returns contribution JARs available on the classpath.
+     * 
+     * @return
+     */
+    private static Map<String, URL> localContributions() {
+        Map<String, URL> localContributions = new HashMap<String, URL>();
+        collectJARs(localContributions, Thread.currentThread().getContextClassLoader());
+        return localContributions;
+    }
+
+    /**
+     * Collect JARs on the classpath of a URLClassLoader
+     * @param urls
+     * @param cl
+     */
+    private static void collectJARs(Map<String, URL> urls, ClassLoader cl) {
+        if (cl == null) {
+            return;
+        }
+
+        // Collect JARs from the URLClassLoader's classpath
+        if (cl instanceof URLClassLoader) {
+            URL[] jarURLs = ((URLClassLoader)cl).getURLs();
+            if (jarURLs != null) {
+                for (URL jarURL : jarURLs) {
+                    String file = jarURL.getPath();
+                    int i = file.lastIndexOf('/');
+                    if (i != -1 && i < file.length() - 1) {
+                        file = file.substring(i + 1);
+                        urls.put(file, jarURL);
+                    }
+                }
+            }
+        }
+
+        // Collect JARs from the parent ClassLoader
+        collectJARs(urls, cl.getParent());
+    }
+
+    public CompositeActivator getCompositeActivator() {
+        return compositeActivator;
+    }
+
+}
diff --git a/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/RuntimeBootStrapper.java b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/RuntimeBootStrapper.java
new file mode 100644
index 0000000000..c9995d6024
--- /dev/null
+++ b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/RuntimeBootStrapper.java
@@ -0,0 +1,385 @@
+/*
+ * 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.node.impl;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.EndpointFactory;
+import org.apache.tuscany.sca.assembly.SCABindingFactory;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.contribution.ContributionFactory;
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.resolver.DefaultModelResolver;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.service.ContributionService;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.ModuleActivator;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.core.assembly.ActivationException;
+import org.apache.tuscany.sca.core.assembly.CompositeActivator;
+import org.apache.tuscany.sca.core.assembly.RuntimeAssemblyFactory;
+import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint;
+import org.apache.tuscany.sca.core.scope.ScopeRegistry;
+import org.apache.tuscany.sca.definitions.SCADefinitions;
+import org.apache.tuscany.sca.definitions.impl.SCADefinitionsImpl;
+import org.apache.tuscany.sca.definitions.util.SCADefinitionsUtil;
+import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
+import org.apache.tuscany.sca.extensibility.ServiceDiscovery;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.MonitorFactory;
+import org.apache.tuscany.sca.monitor.impl.DefaultMonitorFactoryImpl;
+import org.apache.tuscany.sca.policy.DefaultIntentAttachPointTypeFactory;
+import org.apache.tuscany.sca.policy.DefaultPolicyFactory;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.IntentAttachPointType;
+import org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory;
+import org.apache.tuscany.sca.policy.PolicyFactory;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.provider.SCADefinitionsProvider;
+import org.apache.tuscany.sca.provider.SCADefinitionsProviderExtensionPoint;
+import org.apache.tuscany.sca.work.WorkScheduler;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class RuntimeBootStrapper {
+    private static final Logger logger = Logger.getLogger(RuntimeBootStrapper.class.getName());
+    private List<ModuleActivator> modules;
+    private ExtensionPointRegistry registry;
+
+    private ClassLoader classLoader;
+    private AssemblyFactory assemblyFactory;
+    private ContributionService contributionService;
+    private CompositeActivator compositeActivator;
+    private CompositeBuilder compositeBuilder;
+    // private DomainBuilder domainBuilder;
+    private WorkScheduler workScheduler;
+    private ScopeRegistry scopeRegistry;
+    private ProxyFactory proxyFactory;
+    private List<SCADefinitions> policyDefinitions;
+    private ModelResolver policyDefinitionsResolver;
+    private Monitor monitor;
+
+    public RuntimeBootStrapper(ClassLoader classLoader) {
+        this.classLoader = classLoader;
+    }
+
+    public void start() throws ActivationException {
+        long start = System.currentTimeMillis();
+
+        // Create our extension point registry
+        registry = new DefaultExtensionPointRegistry();
+        UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
+
+        // Get work scheduler
+        workScheduler = utilities.getUtility(WorkScheduler.class);
+
+        // Create an interface contract mapper
+        InterfaceContractMapper mapper = utilities.getUtility(InterfaceContractMapper.class);
+
+        // Get factory extension point
+        ModelFactoryExtensionPoint factories = registry.getExtensionPoint(ModelFactoryExtensionPoint.class);
+
+        // Get Message factory
+        MessageFactory messageFactory = factories.getFactory(MessageFactory.class);
+
+        // Get proxy factory
+        ProxyFactoryExtensionPoint proxyFactories = registry.getExtensionPoint(ProxyFactoryExtensionPoint.class);
+        proxyFactory = new ExtensibleProxyFactory(proxyFactories);
+
+        // Create model factories
+        assemblyFactory = new RuntimeAssemblyFactory();
+        factories.addFactory(assemblyFactory);
+        PolicyFactory policyFactory = new DefaultPolicyFactory();
+        factories.addFactory(policyFactory);
+
+        // Load the runtime modules
+        modules = loadModules(registry);
+
+        // Start the runtime modules
+        startModules(registry, modules);
+
+        SCABindingFactory scaBindingFactory = factories.getFactory(SCABindingFactory.class);
+        IntentAttachPointTypeFactory intentAttachPointTypeFactory = new DefaultIntentAttachPointTypeFactory();
+        factories.addFactory(intentAttachPointTypeFactory);
+        ContributionFactory contributionFactory = factories.getFactory(ContributionFactory.class);
+
+        // Create a monitor
+        MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class);
+
+        if (monitorFactory != null) {
+            monitor = monitorFactory.createMonitor();
+        } else {
+            monitorFactory = new DefaultMonitorFactoryImpl();
+            monitor = monitorFactory.createMonitor();
+            utilities.addUtility(monitorFactory);
+            //logger.fine("No MonitorFactory is found on the classpath.");
+        }
+
+        // Create a contribution service
+        policyDefinitions = new ArrayList<SCADefinitions>();
+        policyDefinitionsResolver = new DefaultModelResolver();
+        contributionService =
+            RuntimeBuilder.createContributionService(classLoader,
+                                                     registry,
+                                                     contributionFactory,
+                                                     assemblyFactory,
+                                                     policyFactory,
+                                                     mapper,
+                                                     policyDefinitions,
+                                                     policyDefinitionsResolver,
+                                                     monitor);
+
+        // Create the ScopeRegistry
+        scopeRegistry = RuntimeBuilder.createScopeRegistry(registry);
+
+        // Create a composite activator
+        compositeActivator =
+            RuntimeBuilder.createCompositeActivator(registry,
+                                                    assemblyFactory,
+                                                    messageFactory,
+                                                    scaBindingFactory,
+                                                    mapper,
+                                                    proxyFactory,
+                                                    scopeRegistry,
+                                                    workScheduler);
+
+        // Load the definitions.xml
+        loadSCADefinitions();
+
+        if (logger.isLoggable(Level.FINE)) {
+            long end = System.currentTimeMillis();
+            logger.fine("The tuscany runtime is started in " + (end - start) + " ms.");
+        }
+    }
+
+    public void stop() throws ActivationException {
+        long start = System.currentTimeMillis();
+
+        // Stop the runtime modules
+        stopModules(registry, modules);
+
+        // Stop and destroy the work manager
+        workScheduler.destroy();
+
+        // Cleanup
+        modules = null;
+        registry = null;
+        assemblyFactory = null;
+        contributionService = null;
+        compositeActivator = null;
+        workScheduler = null;
+        scopeRegistry = null;
+
+        if (logger.isLoggable(Level.FINE)) {
+            long end = System.currentTimeMillis();
+            logger.fine("The tuscany runtime is stopped in " + (end - start) + " ms.");
+        }
+    }
+
+    public void buildComposite(Composite composite) throws CompositeBuilderException {
+        //Get factory extension point
+        ModelFactoryExtensionPoint factories = registry.getExtensionPoint(ModelFactoryExtensionPoint.class);
+        SCABindingFactory scaBindingFactory = factories.getFactory(SCABindingFactory.class);
+        IntentAttachPointTypeFactory intentAttachPointTypeFactory =
+            factories.getFactory(IntentAttachPointTypeFactory.class);
+        EndpointFactory endpointFactory = factories.getFactory(EndpointFactory.class);
+        UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
+        InterfaceContractMapper mapper = utilities.getUtility(InterfaceContractMapper.class);
+
+        //Create a composite builder
+        SCADefinitions aggregatedDefinitions = new SCADefinitionsImpl();
+        for (SCADefinitions definition : ((List<SCADefinitions>)policyDefinitions)) {
+            SCADefinitionsUtil.aggregateSCADefinitions(definition, aggregatedDefinitions);
+        }
+        compositeBuilder =
+            RuntimeBuilder.createCompositeBuilder(monitor,
+                                                  assemblyFactory,
+                                                  scaBindingFactory,
+                                                  endpointFactory,
+                                                  intentAttachPointTypeFactory,
+                                                  mapper,
+                                                  aggregatedDefinitions);
+        compositeBuilder.build(composite);
+
+    }
+
+    public ContributionService getContributionService() {
+        return contributionService;
+    }
+
+    public CompositeActivator getCompositeActivator() {
+        return compositeActivator;
+    }
+
+    public CompositeBuilder getCompositeBuilder() {
+        return compositeBuilder;
+    }
+
+    public AssemblyFactory getAssemblyFactory() {
+        return assemblyFactory;
+    }
+
+    private void loadSCADefinitions() throws ActivationException {
+        try {
+            URLArtifactProcessorExtensionPoint documentProcessors =
+                registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
+            URLArtifactProcessor<SCADefinitions> definitionsProcessor =
+                documentProcessors.getProcessor(SCADefinitions.class);
+            SCADefinitionsProviderExtensionPoint scaDefnProviders =
+                registry.getExtensionPoint(SCADefinitionsProviderExtensionPoint.class);
+
+            SCADefinitions systemSCADefinitions = new SCADefinitionsImpl();
+            SCADefinitions aSCADefn = null;
+            for (SCADefinitionsProvider aProvider : scaDefnProviders.getSCADefinitionsProviders()) {
+                aSCADefn = aProvider.getSCADefinition();
+                SCADefinitionsUtil.aggregateSCADefinitions(aSCADefn, systemSCADefinitions);
+            }
+
+            policyDefinitions.add(systemSCADefinitions);
+
+            //we cannot expect that providers will add the intents and policysets into the resolver
+            //so we do this here explicitly
+            for (Intent intent : systemSCADefinitions.getPolicyIntents()) {
+                policyDefinitionsResolver.addModel(intent);
+            }
+
+            for (PolicySet policySet : systemSCADefinitions.getPolicySets()) {
+                policyDefinitionsResolver.addModel(policySet);
+            }
+
+            for (IntentAttachPointType attachPoinType : systemSCADefinitions.getBindingTypes()) {
+                policyDefinitionsResolver.addModel(attachPoinType);
+            }
+
+            for (IntentAttachPointType attachPoinType : systemSCADefinitions.getImplementationTypes()) {
+                policyDefinitionsResolver.addModel(attachPoinType);
+            }
+
+            //now that all system sca definitions have been read, lets resolve them right away
+            definitionsProcessor.resolve(systemSCADefinitions, policyDefinitionsResolver);
+        } catch (Exception e) {
+            throw new ActivationException(e);
+        }
+    }
+
+    private List<ModuleActivator> loadModules(ExtensionPointRegistry registry) throws ActivationException {
+
+        // Load and instantiate the modules found on the classpath (or any registered ClassLoaders)
+        modules = new ArrayList<ModuleActivator>();
+        try {
+            Set<ServiceDeclaration> moduleActivators =
+                ServiceDiscovery.getInstance().getServiceDeclarations(ModuleActivator.class);
+            Set<String> moduleClasses = new HashSet<String>();
+            for (ServiceDeclaration moduleDeclarator : moduleActivators) {
+                if (moduleClasses.contains(moduleDeclarator.getClassName())) {
+                    continue;
+                }
+                moduleClasses.add(moduleDeclarator.getClassName());
+                Class<?> moduleClass = moduleDeclarator.loadClass();
+                ModuleActivator module = (ModuleActivator)moduleClass.newInstance();
+                modules.add(module);
+            }
+        } catch (IOException e) {
+            throw new ActivationException(e);
+        } catch (ClassNotFoundException e) {
+            throw new ActivationException(e);
+        } catch (InstantiationException e) {
+            throw new ActivationException(e);
+        } catch (IllegalAccessException e) {
+            throw new ActivationException(e);
+        }
+
+        return modules;
+    }
+
+    private void startModules(ExtensionPointRegistry registry, List<ModuleActivator> modules)
+        throws ActivationException {
+        boolean debug = logger.isLoggable(Level.FINE);
+        // Start all the extension modules
+        for (ModuleActivator module : modules) {
+            long start = 0L;
+            if (debug) {
+                logger.fine(module.getClass().getName() + " is starting.");
+                start = System.currentTimeMillis();
+            }
+            try {
+                module.start(registry);
+                if (debug) {
+                    long end = System.currentTimeMillis();
+                    logger.fine(module.getClass().getName() + " is started in " + (end - start) + " ms.");
+                }
+            } catch (Throwable e) {
+                logger.log(Level.WARNING, "Exception starting module " + module.getClass().getName()
+                    + " :"
+                    + e.getMessage());
+                logger.log(Level.FINE, "Exception starting module " + module.getClass().getName(), e);
+            }
+        }
+    }
+
+    private void stopModules(final ExtensionPointRegistry registry, List<ModuleActivator> modules) {
+        boolean debug = logger.isLoggable(Level.FINE);
+        for (ModuleActivator module : modules) {
+            long start = 0L;
+            if (debug) {
+                logger.fine(module.getClass().getName() + " is stopping.");
+                start = System.currentTimeMillis();
+            }
+            module.stop(registry);
+            if (debug) {
+                long end = System.currentTimeMillis();
+                logger.fine(module.getClass().getName() + " is stopped in " + (end - start) + " ms.");
+            }
+        }
+    }
+
+    /**
+     * @return the proxyFactory
+     */
+    public ProxyFactory getProxyFactory() {
+        return proxyFactory;
+    }
+
+    /**
+     * @return the registry
+     */
+    public ExtensionPointRegistry getExtensionPointRegistry() {
+        return registry;
+    }
+
+}
diff --git a/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/RuntimeBuilder.java b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/RuntimeBuilder.java
new file mode 100644
index 0000000000..98a44cef9e
--- /dev/null
+++ b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/RuntimeBuilder.java
@@ -0,0 +1,261 @@
+/*
+ * 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.node.impl;
+
+import java.io.IOException;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.List;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.EndpointFactory;
+import org.apache.tuscany.sca.assembly.SCABindingFactory;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.impl.CompositeBuilderImpl;
+import org.apache.tuscany.sca.assembly.xml.CompositeDocumentProcessor;
+import org.apache.tuscany.sca.context.ContextFactoryExtensionPoint;
+import org.apache.tuscany.sca.context.RequestContextFactory;
+import org.apache.tuscany.sca.contribution.ContributionFactory;
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.DefaultValidatingXMLInputFactory;
+import org.apache.tuscany.sca.contribution.processor.DefaultValidationSchemaExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.ExtensiblePackageProcessor;
+import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.ExtensibleURLArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.PackageProcessor;
+import org.apache.tuscany.sca.contribution.processor.PackageProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.ValidationSchemaExtensionPoint;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolverExtensionPoint;
+import org.apache.tuscany.sca.contribution.service.ContributionListenerExtensionPoint;
+import org.apache.tuscany.sca.contribution.service.ContributionRepository;
+import org.apache.tuscany.sca.contribution.service.ContributionService;
+import org.apache.tuscany.sca.contribution.service.ExtensibleContributionListener;
+import org.apache.tuscany.sca.contribution.service.TypeDescriber;
+import org.apache.tuscany.sca.contribution.service.impl.ContributionRepositoryImpl;
+import org.apache.tuscany.sca.contribution.service.impl.ContributionServiceImpl;
+import org.apache.tuscany.sca.contribution.service.impl.PackageTypeDescriberImpl;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.core.assembly.ActivationException;
+import org.apache.tuscany.sca.core.assembly.CompositeActivator;
+import org.apache.tuscany.sca.core.assembly.CompositeActivatorImpl;
+import org.apache.tuscany.sca.core.conversation.ConversationManager;
+import org.apache.tuscany.sca.core.invocation.ExtensibleWireProcessor;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.core.scope.CompositeScopeContainerFactory;
+import org.apache.tuscany.sca.core.scope.ConversationalScopeContainerFactory;
+import org.apache.tuscany.sca.core.scope.RequestScopeContainerFactory;
+import org.apache.tuscany.sca.core.scope.ScopeContainerFactory;
+import org.apache.tuscany.sca.core.scope.ScopeRegistry;
+import org.apache.tuscany.sca.core.scope.ScopeRegistryImpl;
+import org.apache.tuscany.sca.core.scope.StatelessScopeContainerFactory;
+import org.apache.tuscany.sca.definitions.SCADefinitions;
+import org.apache.tuscany.sca.endpointresolver.EndpointResolverFactoryExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory;
+import org.apache.tuscany.sca.policy.PolicyFactory;
+import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint;
+import org.apache.tuscany.sca.runtime.RuntimeWireProcessor;
+import org.apache.tuscany.sca.runtime.RuntimeWireProcessorExtensionPoint;
+import org.apache.tuscany.sca.work.WorkScheduler;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class RuntimeBuilder {
+
+    // private static final Logger logger = Logger.getLogger(RuntimeBuilder.class.getName());
+
+    public static CompositeActivator createCompositeActivator(ExtensionPointRegistry registry,
+                                                              AssemblyFactory assemblyFactory,
+                                                              MessageFactory messageFactory,
+                                                              SCABindingFactory scaBindingFactory,
+                                                              InterfaceContractMapper mapper,
+                                                              ProxyFactory proxyFactory,
+                                                              ScopeRegistry scopeRegistry,
+                                                              WorkScheduler workScheduler) {
+
+        // Create a wire post processor extension point
+        RuntimeWireProcessorExtensionPoint wireProcessors =
+            registry.getExtensionPoint(RuntimeWireProcessorExtensionPoint.class);
+        RuntimeWireProcessor wireProcessor = new ExtensibleWireProcessor(wireProcessors);
+
+        // Retrieve the processors extension point
+        StAXArtifactProcessorExtensionPoint processors =
+            registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
+
+        // Create a provider factory extension point
+        ProviderFactoryExtensionPoint providerFactories =
+            registry.getExtensionPoint(ProviderFactoryExtensionPoint.class);
+
+        // Create a endpoint resolver factory extension point
+        EndpointResolverFactoryExtensionPoint endpointResolverFactories =
+            registry.getExtensionPoint(EndpointResolverFactoryExtensionPoint.class);
+
+        JavaInterfaceFactory javaInterfaceFactory =
+            registry.getExtensionPoint(ModelFactoryExtensionPoint.class).getFactory(JavaInterfaceFactory.class);
+        RequestContextFactory requestContextFactory =
+            registry.getExtensionPoint(ContextFactoryExtensionPoint.class).getFactory(RequestContextFactory.class);
+
+        UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
+        ConversationManager conversationManager = utilities.getUtility(ConversationManager.class);
+
+        // Create the composite activator
+        CompositeActivator compositeActivator =
+            new CompositeActivatorImpl(assemblyFactory, messageFactory, javaInterfaceFactory, scaBindingFactory,
+                                       mapper, scopeRegistry, workScheduler, wireProcessor, requestContextFactory,
+                                       proxyFactory, providerFactories, endpointResolverFactories, processors,
+                                       conversationManager);
+
+        return compositeActivator;
+    }
+
+    public static CompositeBuilder createCompositeBuilder(Monitor monitor,
+                                                          AssemblyFactory assemblyFactory,
+                                                          SCABindingFactory scaBindingFactory,
+                                                          EndpointFactory endpointFactory,
+                                                          IntentAttachPointTypeFactory intentAttachPointTypeFactory,
+                                                          InterfaceContractMapper interfaceContractMapper,
+                                                          SCADefinitions policyDefinitions) {
+
+        return new CompositeBuilderImpl(assemblyFactory, endpointFactory, scaBindingFactory,
+                                        intentAttachPointTypeFactory, interfaceContractMapper, policyDefinitions,
+                                        monitor);
+    }
+
+    /**
+     * Create the contribution service used by this domain.
+     * 
+     * @throws ActivationException
+     */
+    public static ContributionService createContributionService(ClassLoader classLoader,
+                                                                ExtensionPointRegistry registry,
+                                                                ContributionFactory contributionFactory,
+                                                                AssemblyFactory assemblyFactory,
+                                                                PolicyFactory policyFactory,
+                                                                InterfaceContractMapper mapper,
+                                                                List<SCADefinitions> policyDefinitions,
+                                                                ModelResolver policyDefinitionResolver,
+                                                                Monitor monitor) throws ActivationException {
+
+        // Get the model factory extension point
+        ModelFactoryExtensionPoint modelFactories = registry.getExtensionPoint(ModelFactoryExtensionPoint.class);
+
+        // Create a new XML input factory
+        // Allow privileged access to factory. Requires RuntimePermission in security policy file.
+        XMLInputFactory inputFactory = AccessController.doPrivileged(new PrivilegedAction<XMLInputFactory>() {
+            public XMLInputFactory run() {
+                return XMLInputFactory.newInstance();
+            }
+        });
+        modelFactories.addFactory(inputFactory);
+
+        // Create a validation XML schema extension point
+        ValidationSchemaExtensionPoint schemas = new DefaultValidationSchemaExtensionPoint();
+
+        // Create a validating XML input factory
+        XMLInputFactory validatingInputFactory = new DefaultValidatingXMLInputFactory(inputFactory, schemas, monitor);
+        modelFactories.addFactory(validatingInputFactory);
+
+        // Create StAX artifact processor extension point
+        StAXArtifactProcessorExtensionPoint staxProcessors =
+            registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
+
+        // Create and register StAX processors for SCA assembly XML
+        // Allow privileged access to factory. Requires RuntimePermission in security policy file.
+        XMLOutputFactory outputFactory = AccessController.doPrivileged(new PrivilegedAction<XMLOutputFactory>() {
+            public XMLOutputFactory run() {
+                return XMLOutputFactory.newInstance();
+            }
+        });
+        ExtensibleStAXArtifactProcessor staxProcessor =
+            new ExtensibleStAXArtifactProcessor(staxProcessors, inputFactory, outputFactory, monitor);
+
+        // Create URL artifact processor extension point
+        URLArtifactProcessorExtensionPoint documentProcessors =
+            registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
+
+        // Create and register document processors for SCA assembly XML
+        documentProcessors.getProcessor(Composite.class);
+        documentProcessors.addArtifactProcessor(new CompositeDocumentProcessor(staxProcessor, validatingInputFactory,
+                                                                               policyDefinitions, monitor));
+
+        // Create Model Resolver extension point
+        ModelResolverExtensionPoint modelResolvers = registry.getExtensionPoint(ModelResolverExtensionPoint.class);
+
+        // Create contribution package processor extension point
+        TypeDescriber describer = new PackageTypeDescriberImpl();
+        PackageProcessor packageProcessor =
+            new ExtensiblePackageProcessor(registry.getExtensionPoint(PackageProcessorExtensionPoint.class), describer,
+                                           monitor);
+
+        // Create contribution listener
+        ExtensibleContributionListener contributionListener =
+            new ExtensibleContributionListener(registry.getExtensionPoint(ContributionListenerExtensionPoint.class));
+
+        // Create a contribution repository
+        ContributionRepository repository;
+        try {
+            repository = new ContributionRepositoryImpl("target", inputFactory, monitor);
+        } catch (IOException e) {
+            throw new ActivationException(e);
+        }
+
+        ExtensibleURLArtifactProcessor documentProcessor =
+            new ExtensibleURLArtifactProcessor(documentProcessors, monitor);
+
+        // Create the contribution service
+        ContributionService contributionService =
+            new ContributionServiceImpl(repository, packageProcessor, documentProcessor, staxProcessor,
+                                        contributionListener, policyDefinitionResolver, modelResolvers, modelFactories,
+                                        assemblyFactory, contributionFactory, inputFactory, policyDefinitions, monitor);
+        return contributionService;
+    }
+
+    public static ScopeRegistry createScopeRegistry(ExtensionPointRegistry registry) {
+        ScopeRegistry scopeRegistry = new ScopeRegistryImpl();
+        ScopeContainerFactory[] factories =
+            new ScopeContainerFactory[] {new CompositeScopeContainerFactory(), new StatelessScopeContainerFactory(),
+                                         new RequestScopeContainerFactory(),
+                                         new ConversationalScopeContainerFactory(null),
+            // new HttpSessionScopeContainer(monitor)
+            };
+        for (ScopeContainerFactory f : factories) {
+            scopeRegistry.register(f);
+        }
+
+        //FIXME Pass the scope container differently as it's not an extension point
+        registry.addExtensionPoint(scopeRegistry);
+
+        return scopeRegistry;
+    }
+
+}
diff --git a/java/sca/modules/node-impl/src/main/resources/META-INF/services/org.apache.tuscany.sca.node.SCANode2Factory b/java/sca/modules/node-impl/src/main/resources/META-INF/services/org.apache.tuscany.sca.node.SCANode2Factory
new file mode 100644
index 0000000000..4215855ac9
--- /dev/null
+++ b/java/sca/modules/node-impl/src/main/resources/META-INF/services/org.apache.tuscany.sca.node.SCANode2Factory
@@ -0,0 +1,17 @@
+# Licensed to the Apache Software Foundation (ASF) under one

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

+# distributed with this work for additional information

+# regarding copyright ownership.  The ASF licenses this file

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

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

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

+# 

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

+# 

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

+# software distributed under the License is distributed on an

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

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

+# specific language governing permissions and limitations

+# under the License. 

+org.apache.tuscany.sca.node.impl.Node2FactoryImpl
\ No newline at end of file
diff --git a/java/sca/modules/node-impl/src/main/resources/META-INF/services/org.apache.tuscany.sca.node.SCANodeFactory b/java/sca/modules/node-impl/src/main/resources/META-INF/services/org.apache.tuscany.sca.node.SCANodeFactory
new file mode 100644
index 0000000000..800bdd84cc
--- /dev/null
+++ b/java/sca/modules/node-impl/src/main/resources/META-INF/services/org.apache.tuscany.sca.node.SCANodeFactory
@@ -0,0 +1,17 @@
+# Licensed to the Apache Software Foundation (ASF) under one

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

+# distributed with this work for additional information

+# regarding copyright ownership.  The ASF licenses this file

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

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

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

+# 

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

+# 

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

+# software distributed under the License is distributed on an

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

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

+# specific language governing permissions and limitations

+# under the License. 

+org.apache.tuscany.sca.node.impl.NodeFactoryImpl
\ No newline at end of file
diff --git a/java/sca/modules/node-impl/src/test/java/hello/HelloWorld.java b/java/sca/modules/node-impl/src/test/java/hello/HelloWorld.java
new file mode 100644
index 0000000000..2f519cb81d
--- /dev/null
+++ b/java/sca/modules/node-impl/src/test/java/hello/HelloWorld.java
@@ -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.    
+ */
+
+package hello;
+
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * HelloWorld interface
+ */
+@Remotable
+public interface HelloWorld {
+    String hello(String name);
+}
diff --git a/java/sca/modules/node-impl/src/test/java/hello/HelloWorldImpl.java b/java/sca/modules/node-impl/src/test/java/hello/HelloWorldImpl.java
new file mode 100644
index 0000000000..c9a7560b12
--- /dev/null
+++ b/java/sca/modules/node-impl/src/test/java/hello/HelloWorldImpl.java
@@ -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.    
+ */
+
+package hello;
+
+/**
+ * HelloWorldImpl
+ */
+public class HelloWorldImpl implements HelloWorld {
+    public String hello(String name) {
+        System.out.println("Hello: " + name);
+        return "Hello, " + name;
+    }
+}
diff --git a/java/sca/modules/node-impl/src/test/java/org/apache/tuscany/sca/node/impl/Node2ImplTestCase.java b/java/sca/modules/node-impl/src/test/java/org/apache/tuscany/sca/node/impl/Node2ImplTestCase.java
new file mode 100644
index 0000000000..52d96dd72d
--- /dev/null
+++ b/java/sca/modules/node-impl/src/test/java/org/apache/tuscany/sca/node/impl/Node2ImplTestCase.java
@@ -0,0 +1,119 @@
+/*
+ * 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.node.impl;
+
+import hello.HelloWorld;
+
+import java.io.File;
+
+import junit.framework.Assert;
+
+import org.apache.tuscany.sca.node.SCAClient;
+import org.apache.tuscany.sca.node.SCAContribution;
+import org.apache.tuscany.sca.node.SCANode2;
+import org.apache.tuscany.sca.node.SCANode2Factory;
+import org.junit.Test;
+
+/**
+ * Test case for Node2Impl
+ */
+public class Node2ImplTestCase {
+    private static String composite =
+        "<composite xmlns=\"http://www.osoa.org/xmlns/sca/1.0\"" + " xmlns:tuscany=\"http://tuscany.apache.org/xmlns/sca/1.0\""
+            + " targetNamespace=\"http://sample/composite\""
+            + " xmlns:sc=\"http://sample/composite\""
+            + " name=\"HelloWorld\">"
+            + " <component name=\"HelloWorld\">"
+            + " <implementation.java class=\"hello.HelloWorldImpl\"/>"
+            + " </component>"
+            + " </composite>";
+
+    @Test
+    public void testNodeWithCompositeContent() {
+        SCANode2Factory factory = SCANode2Factory.newInstance();
+        SCAContribution contribution = new SCAContribution("c1", new File("target/test-classes").toURI().toString());
+        SCANode2 node = factory.createSCANode("HelloWorld.composite", composite, contribution);
+        testNode(node);
+    }
+    
+    @Test
+    public void testNodeWithCompositeContentAndNoContribution() {
+        SCANode2Factory factory = SCANode2Factory.newInstance();
+        SCANode2 node = factory.createSCANode("HelloWorld.composite", composite);
+        testNode(node);
+    }    
+
+    @Test
+    public void testNodeWithoutCompositeURI() {
+        SCANode2Factory factory = SCANode2Factory.newInstance();
+        SCAContribution contribution = new SCAContribution("c1", new File("target/test-classes").toURI().toString());
+        SCANode2 node = factory.createSCANode(null, contribution);
+        testNode(node);
+    }
+    
+    @Test
+    public void testNodeWithCompositeURI() {
+        SCANode2Factory factory = SCANode2Factory.newInstance();
+        SCAContribution contribution = new SCAContribution("c1", new File("target/test-classes").toURI().toString());
+        String compositeURI = new File("target/test-classes/HelloWorld.composite").toURI().toString();
+        SCANode2 node = factory.createSCANode(compositeURI, contribution);
+        testNode(node);
+    }
+
+    @Test
+    public void testNodeWithRelativeCompositeURI() {
+        SCANode2Factory factory = SCANode2Factory.newInstance();
+        SCAContribution contribution = new SCAContribution("c1", new File("target/test-classes").toURI().toString());
+        String compositeURI = "HelloWorld.composite";
+        SCANode2 node = factory.createSCANode(compositeURI, contribution);
+        testNode(node);
+    }
+
+    @Test
+    public void testNodeWithRelativeCompositeURIAndNoContribution() {
+        SCANode2Factory factory = SCANode2Factory.newInstance();
+        String compositeURI = "HelloWorld.composite";
+        SCANode2 node = factory.createSCANode(compositeURI, new SCAContribution[0]);
+        testNode(node);
+    }
+
+    @Test
+    public void testNodeWithClassLoader() {
+        SCANode2Factory factory = SCANode2Factory.newInstance();
+        String compositeURI = "HelloWorld.composite";
+        SCANode2 node = factory.createSCANodeFromClassLoader(compositeURI, HelloWorld.class.getClassLoader());
+        testNode(node);
+    }
+
+    @Test
+    public void testNodeWithClassLoaderAndNullComposite() {
+        SCANode2Factory factory = SCANode2Factory.newInstance();
+        SCANode2 node = factory.createSCANodeFromClassLoader(null, HelloWorld.class.getClassLoader());
+        testNode(node);
+    }
+    
+    private void testNode(SCANode2 node) {
+        node.start();
+        HelloWorld hw = ((SCAClient)node).getService(HelloWorld.class, "HelloWorld");
+        Assert.assertEquals("Hello, Node", hw.hello("Node"));
+        node.stop();
+    }
+        
+}
diff --git a/java/sca/modules/node-impl/src/test/java/org/apache/tuscany/sca/node/impl/NodeImplTestCase.java b/java/sca/modules/node-impl/src/test/java/org/apache/tuscany/sca/node/impl/NodeImplTestCase.java
new file mode 100644
index 0000000000..d620f6b62a
--- /dev/null
+++ b/java/sca/modules/node-impl/src/test/java/org/apache/tuscany/sca/node/impl/NodeImplTestCase.java
@@ -0,0 +1,119 @@
+/*
+ * 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.node.impl;
+
+import hello.HelloWorld;
+
+import java.io.File;
+
+import junit.framework.Assert;
+
+import org.apache.tuscany.sca.node.SCAClient;
+import org.apache.tuscany.sca.node.SCAContribution;
+import org.apache.tuscany.sca.node.SCANode;
+import org.apache.tuscany.sca.node.SCANodeFactory;
+import org.junit.Test;
+
+/**
+ * Test case for NodeImpl
+ */
+public class NodeImplTestCase {
+    private static String composite =
+        "<composite xmlns=\"http://www.osoa.org/xmlns/sca/1.0\"" + " xmlns:tuscany=\"http://tuscany.apache.org/xmlns/sca/1.0\""
+            + " targetNamespace=\"http://sample/composite\""
+            + " xmlns:sc=\"http://sample/composite\""
+            + " name=\"HelloWorld\">"
+            + " <component name=\"HelloWorld\">"
+            + " <implementation.java class=\"hello.HelloWorldImpl\"/>"
+            + " </component>"
+            + " </composite>";
+
+    @Test
+    public void testNodeWithCompositeContent() {
+        SCANodeFactory factory = new NodeFactoryImpl();
+        SCAContribution contribution = new SCAContribution("c1", new File("target/test-classes").toURI().toString());
+        SCANode node = factory.createSCANode("HelloWorld.composite", composite, contribution);
+        testNode(node);
+    }
+    
+    @Test
+    public void testNodeWithCompositeContentAndNoContribution() {
+        SCANodeFactory factory = new NodeFactoryImpl();
+        SCANode node = factory.createSCANode("HelloWorld.composite", composite);
+        testNode(node);
+    }    
+
+    @Test
+    public void testNodeWithoutCompositeURI() {
+        SCANodeFactory factory = new NodeFactoryImpl();
+        SCAContribution contribution = new SCAContribution("c1", new File("target/test-classes").toURI().toString());
+        SCANode node = factory.createSCANode(null, contribution);
+        testNode(node);
+    }
+    
+    @Test
+    public void testNodeWithCompositeURI() {
+        SCANodeFactory factory = new NodeFactoryImpl();
+        SCAContribution contribution = new SCAContribution("c1", new File("target/test-classes").toURI().toString());
+        String compositeURI = new File("target/test-classes/HelloWorld.composite").toURI().toString();
+        SCANode node = factory.createSCANode(compositeURI, contribution);
+        testNode(node);
+    }
+
+    @Test
+    public void testNodeWithRelativeCompositeURI() {
+        SCANodeFactory factory = new NodeFactoryImpl();
+        SCAContribution contribution = new SCAContribution("c1", new File("target/test-classes").toURI().toString());
+        String compositeURI = "HelloWorld.composite";
+        SCANode node = factory.createSCANode(compositeURI, contribution);
+        testNode(node);
+    }
+
+    @Test
+    public void testNodeWithRelativeCompositeURIAndNoContribution() {
+        SCANodeFactory factory = new NodeFactoryImpl();
+        String compositeURI = "HelloWorld.composite";
+        SCANode node = factory.createSCANode(compositeURI, new SCAContribution[0]);
+        testNode(node);
+    }
+
+    @Test
+    public void testNodeWithClassLoader() {
+        SCANodeFactory factory = new NodeFactoryImpl();
+        String compositeURI = "HelloWorld.composite";
+        SCANode node = factory.createSCANodeFromClassLoader(compositeURI, HelloWorld.class.getClassLoader());
+        testNode(node);
+    }
+
+    @Test
+    public void testNodeWithClassLoaderAndNullComposite() {
+        SCANodeFactory factory = new NodeFactoryImpl();
+        SCANode node = factory.createSCANodeFromClassLoader(null, HelloWorld.class.getClassLoader());
+        testNode(node);
+    }
+    
+    private void testNode(SCANode node) {
+        node.start();
+        HelloWorld hw = ((SCAClient)node).getService(HelloWorld.class, "HelloWorld");
+        Assert.assertEquals("Hello, Node", hw.hello("Node"));
+        node.stop();
+    }
+        
+}
diff --git a/java/sca/modules/node-impl/src/test/resources/HelloWorld.composite b/java/sca/modules/node-impl/src/test/resources/HelloWorld.composite
new file mode 100644
index 0000000000..9e3299d691
--- /dev/null
+++ b/java/sca/modules/node-impl/src/test/resources/HelloWorld.composite
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>

+<!--

+    * Licensed to the Apache Software Foundation (ASF) under one

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

+    * distributed with this work for additional information

+    * regarding copyright ownership.  The ASF licenses this file

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

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

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

+    * 

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

+    * 

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

+    * software distributed under the License is distributed on an

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

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

+    * specific language governing permissions and limitations

+    * under the License.    

+-->

+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"

+    xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.0"

+	targetNamespace="http://sample/composite"

+	xmlns:sc="http://sample/composite"

+	name="HelloWorld">

+

+    <component name="HelloWorld">

+        <implementation.java class="hello.HelloWorldImpl"/>

+    </component>

+

+</composite>

diff --git a/java/sca/modules/node-impl/src/test/resources/META-INF/sca-contribution.xml b/java/sca/modules/node-impl/src/test/resources/META-INF/sca-contribution.xml
new file mode 100644
index 0000000000..1d37bcebe0
--- /dev/null
+++ b/java/sca/modules/node-impl/src/test/resources/META-INF/sca-contribution.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+* 
+*   http://www.apache.org/licenses/LICENSE-2.0
+* 
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.    
+-->
+
+<contribution xmlns="http://www.osoa.org/xmlns/sca/1.0" xmlns:sc="http://sample/composite">
+    <deployable composite="sc:HelloWorld" />
+</contribution>