Move Tuscany from Incubator to top level.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68

14 files changed, 1077 insertions, 0 deletions

diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/DefaultJavaInterfaceIntrospectorExtensionPoint.java b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/DefaultJavaInterfaceIntrospectorExtensionPoint.java
new file mode 100644
index 0000000000..fc35ef76b7
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/DefaultJavaInterfaceIntrospectorExtensionPoint.java
@@ -0,0 +1,47 @@
+/*
+ * 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.interfacedef.java.introspect;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Default implementation of an extension point for Java interface visitors.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class DefaultJavaInterfaceIntrospectorExtensionPoint implements JavaInterfaceIntrospectorExtensionPoint {
+
+    private List<JavaInterfaceVisitor> visitors = new ArrayList<JavaInterfaceVisitor>();
+
+    public DefaultJavaInterfaceIntrospectorExtensionPoint() {
+    }
+
+    public void addInterfaceVisitor(JavaInterfaceVisitor extension) {
+        visitors.add(extension);
+    }
+
+    public void removeInterfaceVisitor(JavaInterfaceVisitor extension) {
+        visitors.remove(extension);
+    }
+
+    public List<JavaInterfaceVisitor> getInterfaceVisitors() {
+        return visitors;
+    }
+}
diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/ExtensibleJavaInterfaceIntrospector.java b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/ExtensibleJavaInterfaceIntrospector.java
new file mode 100644
index 0000000000..9ceb194fd1
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/ExtensibleJavaInterfaceIntrospector.java
@@ -0,0 +1,147 @@
+/*
+ * 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.interfacedef.java.introspect;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import org.apache.tuscany.sca.interfacedef.ConversationSequence;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.InvalidCallbackException;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.InvalidOperationException;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.OverloadedOperationException;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+import org.apache.tuscany.sca.interfacedef.impl.OperationImpl;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.EndsConversation;
+import org.osoa.sca.annotations.OneWay;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Default implementation of a Java interface introspector.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ExtensibleJavaInterfaceIntrospector implements JavaInterfaceIntrospector {
+    public static final String IDL_INPUT = "idl:input";
+
+    private static final String UNKNOWN_DATABINDING = null;
+
+    private JavaInterfaceFactory javaFactory;
+    private List<JavaInterfaceVisitor> visitors = new ArrayList<JavaInterfaceVisitor>();
+
+    public ExtensibleJavaInterfaceIntrospector(JavaInterfaceFactory javaFactory, JavaInterfaceIntrospectorExtensionPoint visitors) {
+        this.javaFactory = javaFactory;
+        this.visitors = visitors.getInterfaceVisitors();
+    }
+
+    public JavaInterface introspect(Class<?> type) throws InvalidInterfaceException {
+        JavaInterface javaInterface = javaFactory.createJavaInterface();
+        javaInterface.setJavaClass(type);
+
+        boolean remotable = type.isAnnotationPresent(Remotable.class);
+        javaInterface.setRemotable(remotable);
+        
+        boolean conversational = type.isAnnotationPresent(Conversational.class);
+        javaInterface.setConversational(conversational);
+        
+        Class<?> callbackClass = null;
+        org.osoa.sca.annotations.Callback callback = type.getAnnotation(org.osoa.sca.annotations.Callback.class);
+        if (callback != null && !Void.class.equals(callback.value())) {
+            callbackClass = callback.value();
+        } else if (callback != null && Void.class.equals(callback.value())) {
+            throw new InvalidCallbackException("No callback interface specified on annotation");
+        }
+        javaInterface.setCallbackClass(callbackClass);
+        
+        javaInterface.getOperations().addAll(getOperations(type, remotable, conversational));
+
+        for (JavaInterfaceVisitor extension : visitors) {
+            extension.visitInterface(javaInterface);
+        }
+        return javaInterface;
+    }
+
+    private <T> List<Operation> getOperations(Class<T> type, boolean remotable, boolean conversational)
+        throws InvalidInterfaceException {
+        Method[] methods = type.getMethods();
+        List<Operation> operations = new ArrayList<Operation>(methods.length);
+        Set<String> names = remotable? new HashSet<String>() : null;
+        for (Method method : methods) {
+            String name = method.getName();
+            if (remotable && names.contains(name)) {
+                throw new OverloadedOperationException(method);
+            }
+            if(remotable) {
+                names.add(name);
+            }
+
+            Class returnType = method.getReturnType();
+            Class[] paramTypes = method.getParameterTypes();
+            Class[] faultTypes = method.getExceptionTypes();
+            boolean nonBlocking = method.isAnnotationPresent(OneWay.class);
+            ConversationSequence conversationSequence = ConversationSequence.CONVERSATION_NONE;
+            if (method.isAnnotationPresent(EndsConversation.class)) {
+                if (!conversational) {
+                    throw new InvalidOperationException(
+                                                        "Method is marked as end conversation but contract is not conversational",
+                                                        method);
+                }
+                conversationSequence = ConversationSequence.CONVERSATION_END;
+            } else if (conversational) {
+                conversationSequence = ConversationSequence.CONVERSATION_CONTINUE;
+            }
+
+            // Set outputType to null for void
+            DataType<Class> returnDataType = returnType == void.class ? null
+                                                                     : new DataTypeImpl<Class>(UNKNOWN_DATABINDING,
+                                                                                               returnType, returnType);
+            List<DataType> paramDataTypes = new ArrayList<DataType>(paramTypes.length);
+            for (Class paramType : paramTypes) {
+                paramDataTypes.add(new DataTypeImpl<Class>(UNKNOWN_DATABINDING, paramType, paramType));
+            }
+            List<DataType> faultDataTypes = new ArrayList<DataType>(faultTypes.length);
+            for (Class faultType : faultTypes) {
+                // Only add checked exceptions
+                if (Exception.class.isAssignableFrom(faultType) && (!RuntimeException.class.isAssignableFrom(faultType))) {
+                    faultDataTypes.add(new DataTypeImpl<Class>(UNKNOWN_DATABINDING, faultType, faultType));
+                }
+            }
+
+            DataType<List<DataType>> inputType = new DataTypeImpl<List<DataType>>(IDL_INPUT, Object[].class,
+                                                                                  paramDataTypes);
+            Operation operation = new OperationImpl(name);
+            operation.setInputType(inputType);
+            operation.setOutputType(returnDataType);
+            operation.setFaultTypes(faultDataTypes);
+            operation.setConversationSequence(conversationSequence);
+            operation.setNonBlocking(nonBlocking);
+            operations.add(operation);
+        }
+        return operations;
+    }
+
+}
diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceIntrospector.java b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceIntrospector.java
new file mode 100644
index 0000000000..eb107aff7c
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceIntrospector.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.interfacedef.java.introspect;
+
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+
+/**
+ * Processor for creating JavaServiceContract definitions from Java Classes.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface JavaInterfaceIntrospector {
+
+    /**
+     * Introspect a Java interface and return a JavaInterface model.
+     *
+     * @param type the interface to inspect
+     * @return a JavaInterface corresponding to the Java interface
+     */
+    JavaInterface introspect(Class<?> type) throws InvalidInterfaceException;
+    
+}
diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceIntrospectorExtensionPoint.java b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceIntrospectorExtensionPoint.java
new file mode 100644
index 0000000000..1a68e006a7
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceIntrospectorExtensionPoint.java
@@ -0,0 +1,50 @@
+/*
+ * 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.interfacedef.java.introspect;
+
+import java.util.List;
+
+/**
+ * An extension point for Java interface visitors.
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface JavaInterfaceIntrospectorExtensionPoint {
+
+    /**
+     * Registers the given visitor.
+     * 
+     * @param visitor
+     */
+    void addInterfaceVisitor(JavaInterfaceVisitor visitor);
+
+    /**
+     * Deregisters the given visitor.
+     * 
+     * @param visitor
+     */
+    void removeInterfaceVisitor(JavaInterfaceVisitor visitor);
+
+    /**
+     * Returns a list of interface visitors.
+     * 
+     * @return
+     */
+    List<JavaInterfaceVisitor> getInterfaceVisitors();
+}
diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceVisitor.java b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceVisitor.java
new file mode 100644
index 0000000000..3bc03a528e
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceVisitor.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.interfacedef.java.introspect;
+
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+
+/**
+ * Implementations introspect metadata on a Java interface, populating the
+ * corresponding {@link JavaInterface}
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface JavaInterfaceVisitor {
+
+    /**
+     * Visit a java interface
+     * @param javaInterface
+     * @throws InvalidInterfaceException
+     */
+    void visitInterface(JavaInterface javaInterface) throws InvalidInterfaceException;
+
+}
diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaConstants.java b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaConstants.java
new file mode 100644
index 0000000000..852f3dc3b5
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaConstants.java
@@ -0,0 +1,32 @@
+/*
+ * 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.interfacedef.java.xml;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.xml.Constants;
+
+public interface JavaConstants {
+
+    String INTERFACE_JAVA = "interface.java";
+    QName INTERFACE_JAVA_QNAME = new QName(Constants.SCA10_NS, "interface.java");
+    String INTERFACE = "interface";
+    String CALLBACK_INTERFACE = "callbackInterface";
+    
+}
diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaInterfaceProcessor.java b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaInterfaceProcessor.java
new file mode 100644
index 0000000000..cc27d88ba8
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaInterfaceProcessor.java
@@ -0,0 +1,157 @@
+/*
+ * 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.interfacedef.java.xml;
+
+import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.assembly.xml.Constants;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ClassReference;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.service.ContributionReadException;
+import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.service.ContributionWriteException;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospector;
+
+public class JavaInterfaceProcessor implements StAXArtifactProcessor<JavaInterfaceContract>, JavaConstants {
+
+    private JavaInterfaceFactory javaFactory;
+    private JavaInterfaceIntrospector introspector;
+
+    public JavaInterfaceProcessor(JavaInterfaceFactory javaFactory, JavaInterfaceIntrospector introspector) {
+        this.javaFactory = javaFactory;
+        this.introspector = introspector;
+    }
+    
+    private JavaInterface createJavaInterface(String interfaceName) {
+        JavaInterface javaInterface = javaFactory.createJavaInterface();
+        javaInterface.setUnresolved(true);
+        javaInterface.setName(interfaceName);
+        return javaInterface;
+    }
+
+    public JavaInterfaceContract read(XMLStreamReader reader) throws ContributionReadException {
+        try {
+            // Read an <interface.java>
+            JavaInterfaceContract javaInterfaceContract = javaFactory.createJavaInterfaceContract();
+            String interfaceName = reader.getAttributeValue(null, INTERFACE);
+            if (interfaceName != null) {
+                JavaInterface javaInterface = createJavaInterface(interfaceName);
+                javaInterfaceContract.setInterface(javaInterface);
+            }
+
+            String callbackInterfaceName = reader.getAttributeValue(null, CALLBACK_INTERFACE);
+            if (callbackInterfaceName != null) {
+                JavaInterface javaCallbackInterface = createJavaInterface(callbackInterfaceName);
+                javaInterfaceContract.setCallbackInterface(javaCallbackInterface);
+            }
+    
+            // Skip to end element
+            while (reader.hasNext()) {
+                if (reader.next() == END_ELEMENT && INTERFACE_JAVA_QNAME.equals(reader.getName())) {
+                    break;
+                }
+            }
+            return javaInterfaceContract;
+            
+        } catch (XMLStreamException e) {
+            throw new ContributionReadException(e);
+        }
+    }
+    
+    public void write(JavaInterfaceContract javaInterfaceContract, XMLStreamWriter writer) throws ContributionWriteException {
+        try {
+            // Write an <interface.java>
+            writer.writeStartElement(Constants.SCA10_NS, INTERFACE_JAVA);
+            JavaInterface javaInterface = (JavaInterface)javaInterfaceContract.getInterface();
+            if (javaInterface != null && javaInterface.getName() != null) {
+                writer.writeAttribute(INTERFACE, javaInterface.getName());
+            }
+            JavaInterface javaCallbackInterface = (JavaInterface)javaInterfaceContract.getCallbackInterface();
+            if (javaCallbackInterface != null && javaCallbackInterface.getName() != null) {
+                writer.writeAttribute(CALLBACK_INTERFACE, javaCallbackInterface.getName());
+            }
+            writer.writeEndElement();
+            
+        } catch (XMLStreamException e) {
+            throw new ContributionWriteException(e);
+        }
+    }
+    
+    private JavaInterface resolveJavaInterface(JavaInterface javaInterface, ModelResolver resolver) throws ContributionResolveException {
+        
+        if (javaInterface != null && javaInterface.isUnresolved()) {
+
+            // Resolve the Java interface
+            javaInterface = resolver.resolveModel(JavaInterface.class, javaInterface);
+            if (javaInterface.isUnresolved()) {
+
+                // If the Java interface has never been resolved yet, do it now
+                ClassReference classReference = new ClassReference(javaInterface.getName());
+                classReference = resolver.resolveModel(ClassReference.class, classReference);
+                Class javaClass = classReference.getJavaClass();
+                if (javaClass == null) {
+                    throw new ContributionResolveException(new ClassNotFoundException(javaInterface.getName()));
+                }
+                try {
+                        
+                    // Introspect the Java interface and populate the interface and
+                    // operations
+                    javaInterface = introspector.introspect(javaClass);
+                
+                } catch (InvalidInterfaceException e) {
+                    throw new ContributionResolveException(e);
+                }
+
+                // Cache the resolved interface
+                javaInterface.setUnresolved(false);
+                resolver.addModel(javaInterface);
+            }
+        }
+        return javaInterface;
+    }
+    
+    public void resolve(JavaInterfaceContract javaInterfaceContract, ModelResolver resolver) throws ContributionResolveException {
+        
+        // Resolve the interface and callback interface
+        JavaInterface javaInterface = resolveJavaInterface((JavaInterface)javaInterfaceContract.getInterface(), resolver);
+        javaInterfaceContract.setInterface(javaInterface);
+        
+        JavaInterface javaCallbackInterface = resolveJavaInterface((JavaInterface)javaInterfaceContract.getCallbackInterface(), resolver);
+        javaInterfaceContract.setCallbackInterface(javaCallbackInterface);
+    }
+    
+    public QName getArtifactType() {
+        return INTERFACE_JAVA_QNAME;
+    }
+    
+    public Class<JavaInterfaceContract> getModelType() {
+        return JavaInterfaceContract.class;
+    }
+}
diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/introspection/impl/ConversationalIntrospectionTestCase.java b/branches/sca-java-0.91/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/introspection/impl/ConversationalIntrospectionTestCase.java
new file mode 100644
index 0000000000..72a493c47c
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/introspection/impl/ConversationalIntrospectionTestCase.java
@@ -0,0 +1,103 @@
+/*
+ * 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.interfacedef.java.introspection.impl;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sca.interfacedef.ConversationSequence;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.InvalidOperationException;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.java.DefaultJavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.java.introspect.DefaultJavaInterfaceIntrospectorExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.java.introspect.ExtensibleJavaInterfaceIntrospector;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospectorExtensionPoint;
+import org.osoa.sca.annotations.Conversational;
+import org.osoa.sca.annotations.EndsConversation;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class ConversationalIntrospectionTestCase extends TestCase {
+    private JavaInterfaceFactory javaFactory;
+    private ExtensibleJavaInterfaceIntrospector introspector;
+    
+    protected void setUp() throws Exception {
+        javaFactory = new DefaultJavaInterfaceFactory();
+        JavaInterfaceIntrospectorExtensionPoint visitors = new DefaultJavaInterfaceIntrospectorExtensionPoint();
+        introspector = new ExtensibleJavaInterfaceIntrospector(javaFactory, visitors);
+    }
+
+    private Operation getOperation(Interface i, String name) {
+        for (Operation op : i.getOperations()) {
+            if (op.getName().equals(name)) {
+                return op;
+            }
+        }
+        return null;
+    }
+
+    public void testServiceContractConversationalInformationIntrospection() throws Exception {
+        Interface i = introspector.introspect(Foo.class);
+        assertNotNull(i);
+        assertTrue(i.isConversational());
+        ConversationSequence seq = getOperation(i, "operation").getConversationSequence();
+        assertEquals(ConversationSequence.CONVERSATION_CONTINUE, seq);
+        seq = getOperation(i, "endOperation").getConversationSequence();
+        assertEquals(ConversationSequence.CONVERSATION_END, seq);
+    }
+
+    public void testBadServiceContract() throws Exception {
+        try {
+            introspector.introspect(BadFoo.class);
+            fail();
+        } catch (InvalidOperationException e) {
+            // expected
+        }
+    }
+
+    public void testNonConversationalInformationIntrospection() throws Exception {
+        Interface i = introspector.introspect(NonConversationalFoo.class);
+        assertFalse(i.isConversational());
+        ConversationSequence seq = getOperation(i, "operation")
+            .getConversationSequence();
+        assertEquals(ConversationSequence.CONVERSATION_NONE, seq);
+    }
+
+    @Conversational
+    private interface Foo {
+        void operation();
+
+        @EndsConversation
+        void endOperation();
+    }
+
+    private interface BadFoo {
+        void operation();
+
+        @EndsConversation
+        void endOperation();
+    }
+
+    private interface NonConversationalFoo {
+        void operation();
+    }
+
+}
diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/introspection/impl/JavaInterfaceProcessorRegistryImplTestCase.java b/branches/sca-java-0.91/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/introspection/impl/JavaInterfaceProcessorRegistryImplTestCase.java
new file mode 100644
index 0000000000..f804dfb48c
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/introspection/impl/JavaInterfaceProcessorRegistryImplTestCase.java
@@ -0,0 +1,102 @@
+/*
+ * 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.interfacedef.java.introspection.impl;
+
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.expectLastCall;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.verify;
+
+import java.io.IOException;
+import java.lang.reflect.Type;
+import java.util.List;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.java.DefaultJavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.introspect.DefaultJavaInterfaceIntrospectorExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.java.introspect.ExtensibleJavaInterfaceIntrospector;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor;
+import org.easymock.EasyMock;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JavaInterfaceProcessorRegistryImplTestCase extends TestCase {
+    private ExtensibleJavaInterfaceIntrospector impl;
+    private DefaultJavaInterfaceIntrospectorExtensionPoint visitors;
+
+    @SuppressWarnings("unchecked")
+    public void testSimpleInterface() throws InvalidInterfaceException {
+        JavaInterface intf = (JavaInterface)impl.introspect(Simple.class);
+
+        assertEquals(Simple.class, intf.getJavaClass());
+        List<Operation> operations = intf.getOperations();
+        assertEquals(1, operations.size());
+        Operation baseInt = operations.get(0);
+        assertEquals("baseInt", baseInt.getName());
+
+        DataType<Type> returnType = baseInt.getOutputType();
+        assertEquals(Integer.TYPE, returnType.getPhysical());
+        assertEquals(Integer.TYPE, returnType.getLogical());
+
+        List<DataType> parameterTypes = baseInt.getInputType().getLogical();
+        assertEquals(1, parameterTypes.size());
+        DataType<Type> arg0 = parameterTypes.get(0);
+        assertEquals(Integer.TYPE, arg0.getPhysical());
+        assertEquals(Integer.TYPE, arg0.getLogical());
+
+        List<DataType> faultTypes = baseInt.getFaultTypes();
+        assertEquals(1, faultTypes.size());
+        DataType<Type> fault0 = faultTypes.get(0);
+        assertEquals(IOException.class, fault0.getPhysical());
+        assertEquals(IOException.class, fault0.getLogical());
+    }
+
+    public void testUnregister() throws Exception {
+        JavaInterfaceVisitor extension = createMock(JavaInterfaceVisitor.class);
+        extension.visitInterface(EasyMock.isA(JavaInterface.class));
+        expectLastCall().once();
+        replay(extension);
+        visitors.addInterfaceVisitor(extension);
+        impl.introspect(Base.class);
+        visitors.removeInterfaceVisitor(extension);
+        impl.introspect(Base.class);
+        verify(extension);
+    }
+
+    protected void setUp() throws Exception {
+        super.setUp();
+        visitors = new DefaultJavaInterfaceIntrospectorExtensionPoint();
+        impl = new ExtensibleJavaInterfaceIntrospector(new DefaultJavaInterfaceFactory(), visitors);
+
+    }
+
+    private static interface Base {
+        int baseInt(int param) throws IllegalArgumentException, IOException;
+    }
+
+    private static interface Simple extends Base {
+
+    }
+}
diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/ReadTestCase.java b/branches/sca-java-0.91/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/ReadTestCase.java
new file mode 100644
index 0000000000..b1756224ba
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/ReadTestCase.java
@@ -0,0 +1,126 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.interfacedef.java.xml;
+
+import java.io.InputStream;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamReader;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.ConstrainingType;
+import org.apache.tuscany.sca.assembly.DefaultAssemblyFactory;
+import org.apache.tuscany.sca.assembly.DefaultSCABindingFactory;
+import org.apache.tuscany.sca.assembly.SCABindingFactory;
+import org.apache.tuscany.sca.assembly.builder.impl.CompositeBuilderImpl;
+import org.apache.tuscany.sca.assembly.xml.ComponentTypeProcessor;
+import org.apache.tuscany.sca.assembly.xml.CompositeProcessor;
+import org.apache.tuscany.sca.assembly.xml.ConstrainingTypeProcessor;
+import org.apache.tuscany.sca.contribution.processor.DefaultStAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.interfacedef.impl.InterfaceContractMapperImpl;
+import org.apache.tuscany.sca.interfacedef.java.DefaultJavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.java.introspect.DefaultJavaInterfaceIntrospectorExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.java.introspect.ExtensibleJavaInterfaceIntrospector;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospector;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospectorExtensionPoint;
+import org.apache.tuscany.sca.policy.DefaultPolicyFactory;
+import org.apache.tuscany.sca.policy.PolicyFactory;
+
+/**
+ * Test reading Java interfaces.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ReadTestCase extends TestCase {
+
+    XMLInputFactory inputFactory;
+    DefaultStAXArtifactProcessorExtensionPoint staxProcessors;
+    ExtensibleStAXArtifactProcessor staxProcessor;
+    private AssemblyFactory assemblyFactory;
+    private SCABindingFactory scaBindingFactory;
+    private PolicyFactory policyFactory;
+    private InterfaceContractMapper mapper;
+    private JavaInterfaceFactory javaFactory;
+
+    public void setUp() throws Exception {
+        assemblyFactory = new DefaultAssemblyFactory();
+        scaBindingFactory = new DefaultSCABindingFactory();
+        policyFactory = new DefaultPolicyFactory();
+        mapper = new InterfaceContractMapperImpl();
+        inputFactory = XMLInputFactory.newInstance();
+        staxProcessors = new DefaultStAXArtifactProcessorExtensionPoint();
+        staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, XMLInputFactory.newInstance(), XMLOutputFactory.newInstance());
+        javaFactory = new DefaultJavaInterfaceFactory();
+
+        JavaInterfaceIntrospectorExtensionPoint visitors = new DefaultJavaInterfaceIntrospectorExtensionPoint();
+        JavaInterfaceIntrospector introspector = new ExtensibleJavaInterfaceIntrospector(javaFactory, visitors);
+        JavaInterfaceProcessor javaProcessor = new JavaInterfaceProcessor(javaFactory, introspector);
+        staxProcessors.addArtifactProcessor(javaProcessor);
+    }
+
+    public void tearDown() throws Exception {
+        inputFactory = null;
+        staxProcessors = null;
+        policyFactory = null;
+        assemblyFactory = null;
+        mapper = null;
+    }
+
+    public void testReadComponentType() throws Exception {
+        ComponentTypeProcessor componentTypeReader = new ComponentTypeProcessor(assemblyFactory, policyFactory, staxProcessor);
+        InputStream is = getClass().getResourceAsStream("CalculatorImpl.componentType");
+        XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
+        ComponentType componentType = componentTypeReader.read(reader);
+        assertNotNull(componentType);
+
+        //new PrintUtil(System.out).print(componentType);
+    }
+
+    public void testReadConstrainingType() throws Exception {
+        ConstrainingTypeProcessor constrainingTypeProcessor = new ConstrainingTypeProcessor(assemblyFactory, policyFactory, staxProcessor);
+        InputStream is = getClass().getResourceAsStream("CalculatorComponent.constrainingType");
+        XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
+        ConstrainingType constrainingType = constrainingTypeProcessor.read(reader);
+        assertNotNull(constrainingType);
+
+        //new PrintUtil(System.out).print(constrainingType);
+    }
+
+    public void testReadComposite() throws Exception {
+        CompositeProcessor compositeProcessor = new CompositeProcessor(assemblyFactory, policyFactory, mapper, staxProcessor);
+        InputStream is = getClass().getResourceAsStream("Calculator.composite");
+        XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
+        Composite composite = compositeProcessor.read(reader);
+        assertNotNull(composite);
+
+        CompositeBuilderImpl compositeUtil = new CompositeBuilderImpl(assemblyFactory, scaBindingFactory, mapper, null);
+        compositeUtil.build(composite);
+
+    }
+
+}
diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/WriteTestCase.java b/branches/sca-java-0.91/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/WriteTestCase.java
new file mode 100644
index 0000000000..464812da9a
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/WriteTestCase.java
@@ -0,0 +1,117 @@
+/*
+ * 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.interfacedef.java.xml;
+
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.ConstrainingType;
+import org.apache.tuscany.sca.assembly.DefaultAssemblyFactory;
+import org.apache.tuscany.sca.assembly.xml.ComponentTypeProcessor;
+import org.apache.tuscany.sca.assembly.xml.CompositeProcessor;
+import org.apache.tuscany.sca.assembly.xml.ConstrainingTypeProcessor;
+import org.apache.tuscany.sca.contribution.processor.DefaultStAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.interfacedef.impl.InterfaceContractMapperImpl;
+import org.apache.tuscany.sca.interfacedef.java.DefaultJavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.java.introspect.DefaultJavaInterfaceIntrospectorExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.java.introspect.ExtensibleJavaInterfaceIntrospector;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospector;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospectorExtensionPoint;
+import org.apache.tuscany.sca.policy.DefaultPolicyFactory;
+import org.apache.tuscany.sca.policy.PolicyFactory;
+
+/**
+ * Test writing Java interfaces.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class WriteTestCase extends TestCase {
+
+    XMLInputFactory inputFactory;
+    DefaultStAXArtifactProcessorExtensionPoint staxProcessors;
+    ExtensibleStAXArtifactProcessor staxProcessor;
+    private AssemblyFactory factory;
+    private PolicyFactory policyFactory;
+    private InterfaceContractMapper mapper;
+    private JavaInterfaceFactory javaFactory;
+
+    public void setUp() throws Exception {
+        factory = new DefaultAssemblyFactory();
+        policyFactory = new DefaultPolicyFactory();
+        mapper = new InterfaceContractMapperImpl();
+        inputFactory = XMLInputFactory.newInstance();
+        staxProcessors = new DefaultStAXArtifactProcessorExtensionPoint();
+        staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, XMLInputFactory.newInstance(), XMLOutputFactory.newInstance());
+        javaFactory = new DefaultJavaInterfaceFactory();
+
+        staxProcessors.addArtifactProcessor(new CompositeProcessor(factory, policyFactory, mapper, staxProcessor));
+        staxProcessors.addArtifactProcessor(new ComponentTypeProcessor(factory, policyFactory, staxProcessor));
+        staxProcessors.addArtifactProcessor(new ConstrainingTypeProcessor(factory, policyFactory, staxProcessor));
+
+        JavaInterfaceIntrospectorExtensionPoint visitors = new DefaultJavaInterfaceIntrospectorExtensionPoint();
+        JavaInterfaceIntrospector introspector = new ExtensibleJavaInterfaceIntrospector(javaFactory, visitors);
+        JavaInterfaceProcessor javaProcessor = new JavaInterfaceProcessor(javaFactory, introspector);
+        staxProcessors.addArtifactProcessor(javaProcessor);
+    }
+
+    public void tearDown() throws Exception {
+        inputFactory = null;
+        staxProcessors = null;
+        policyFactory = null;
+        factory = null;
+        mapper = null;
+    }
+
+    public void testReadWriteComponentType() throws Exception {
+        InputStream is = getClass().getResourceAsStream("CalculatorImpl.componentType");
+        ComponentType componentType = staxProcessor.read(is, ComponentType.class);
+        assertNotNull(componentType);
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        staxProcessor.write(componentType, bos);
+    }
+
+    public void testReadWriteConstrainingType() throws Exception {
+        InputStream is = getClass().getResourceAsStream("CalculatorComponent.constrainingType");
+        ConstrainingType constrainingType = staxProcessor.read(is, ConstrainingType.class);
+        assertNotNull(constrainingType);
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        staxProcessor.write(constrainingType, bos);
+    }
+
+    public void testReadWriteComposite() throws Exception {
+        InputStream is = getClass().getResourceAsStream("Calculator.composite");
+        Composite composite = staxProcessor.read(is, Composite.class);
+        assertNotNull(composite);
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        staxProcessor.write(composite, bos);
+    }
+
+}
diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/Calculator.composite b/branches/sca-java-0.91/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/Calculator.composite
new file mode 100644
index 0000000000..3de6410596
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/Calculator.composite
@@ -0,0 +1,53 @@
+<?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:calc="http://sample.calculator"
+	targetNamespace="http://calc"
+	name="Calculator">
+
+    <service name="CalculatorService" promote="CalculatorServiceComponent">
+        <interface.java interface="calculator.CalculatorService"/>
+    </service>
+
+    <component name="CalculatorServiceComponent">
+		<implementation.java class="calculator.CalculatorServiceImpl"/>
+        <reference name="addService" target="AddServiceComponent"/>
+        <reference name="subtractService" target="SubtractServiceComponent"/>
+        <reference name="multiplyService" target="MultiplyServiceComponent"/>
+        <reference name="divideService" target="DivideServiceComponent"/>
+    </component>
+
+    <component name="AddServiceComponent">
+        <implementation.java class="calculator.AddServiceImpl"/>
+    </component>
+
+    <component name="SubtractServiceComponent">
+        <implementation.java class="calculator.SubtractServiceImpl"/>
+    </component>
+
+    <component name="MultiplyServiceComponent">
+        <implementation.java class="calculator.MultiplyServiceImpl"/>
+    </component>
+
+    <component name="DivideServiceComponent">
+        <implementation.java class="calculator.DivideServiceImpl"/>
+    </component>
+
+</composite>
diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorComponent.constrainingType b/branches/sca-java-0.91/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorComponent.constrainingType
new file mode 100644
index 0000000000..dca38c9224
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorComponent.constrainingType
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="ASCII"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+-->
+<constrainingType xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	xmlns:calc="http://calc"
+    targetNamespace="http://calc"
+	name="CalculatorComponent">
+
+  <service name="CalculatorService">
+        <interface.java interface="calculator.CalculatorService" />
+  </service>
+
+  <reference name="divideService">
+        <interface.java interface="calculator.DivideService" />
+  </reference>  
+
+</constrainingType>              
+       
\ No newline at end of file
diff --git a/branches/sca-java-0.91/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorImpl.componentType b/branches/sca-java-0.91/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorImpl.componentType
new file mode 100644
index 0000000000..23ebf576e5
--- /dev/null
+++ b/branches/sca-java-0.91/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorImpl.componentType
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="ASCII"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+-->
+<componentType xmlns="http://www.osoa.org/xmlns/sca/1.0">
+
+  <service name="CalculatorService">
+        <interface.java interface="calculator.CalculatorService" />
+  </service>
+
+  <reference name="divideService">
+        <interface.java interface="calculator.DivideService" />
+  </reference>  
+
+</componentType>              
+       
\ No newline at end of file