Moving 2.x branches

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835137 13f79535-47bb-0310-9956-ffa450edef68

31 files changed, 3109 insertions, 0 deletions

diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/LICENSE b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/LICENSE
new file mode 100644
index 0000000000..8aa906c321
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/LICENSE
@@ -0,0 +1,205 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
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+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
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+      "Contribution" shall mean any work of authorship, including
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+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
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+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
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+      meet the following conditions:
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+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
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+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
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+      (c) You must retain, in the Source form of any Derivative Works
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+          of the NOTICE file are for informational purposes only and
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+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
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+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
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+      risks associated with Your exercise of permissions under this License.
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+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
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+      Work (including but not limited to damages for loss of goodwill,
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diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/META-INF/MANIFEST.MF b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/META-INF/MANIFEST.MF
new file mode 100644
index 0000000000..65e69260bd
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/META-INF/MANIFEST.MF
@@ -0,0 +1,43 @@
+Manifest-Version: 1.0

+Export-Package: org.apache.tuscany.sca.interfacedef.java.impl;uses:="o

+ rg.osoa.sca.annotations,org.apache.tuscany.sca.interfacedef.util,org.

+ apache.tuscany.sca.policy,org.apache.tuscany.sca.interfacedef.java,or

+ g.apache.tuscany.sca.interfacedef,javax.xml.namespace,org.apache.tusc

+ any.sca.interfacedef.java.introspect,org.apache.tuscany.sca.interface

+ def.impl";version="2.0.0",org.apache.tuscany.sca.interfacedef.java.intr

+ ospect;uses:="org.apache.tuscany.sca.interfacedef.java,org.apache.tus

+ cany.sca.interfacedef";version="2.0.0",org.apache.tuscany.sca.interface

+ def.java;uses:="org.apache.tuscany.sca.assembly,org.apache.tuscany.sc

+ a.interfacedef.java.impl,org.apache.tuscany.sca.interfacedef.java.int

+ rospect,org.apache.tuscany.sca.core,org.apache.tuscany.sca.policy,org

+ .apache.tuscany.sca.interfacedef,org.apache.tuscany.sca.extensibility

+ ,javax.xml.namespace";version="2.0.0"

+Tool: Bnd-0.0.255

+Bundle-Name: Apache Tuscany SCA Java Interface Model

+Created-By: 1.6.0_07 (Sun Microsystems Inc.)

+Bundle-Vendor: The Apache Software Foundation

+Bundle-Version: 2.0.0

+Bnd-LastModified: 1225397130359

+Bundle-ManifestVersion: 2

+Bundle-License: http://www.apache.org/licenses/LICENSE-2.0.txt

+Bundle-Description: Apache Tuscany SCA Java Interface Model

+Import-Package: javax.xml.namespace,

+ javax.xml.stream,

+ org.apache.tuscany.sca.assembly;version="2.0.0",

+ org.apache.tuscany.sca.contribution.processor;version="2.0.0",

+ org.apache.tuscany.sca.contribution.resolver;version="2.0.0",

+ org.apache.tuscany.sca.core;version="2.0.0",

+ org.apache.tuscany.sca.definitions;version="2.0.0";resolution:=optional,

+ org.apache.tuscany.sca.extensibility;version="2.0.0",

+ org.apache.tuscany.sca.interfacedef;version="2.0.0",

+ org.apache.tuscany.sca.interfacedef.impl;version="2.0.0",

+ org.apache.tuscany.sca.interfacedef.java;version="2.0.0",

+ org.apache.tuscany.sca.interfacedef.java.impl;version="2.0.0",

+ org.apache.tuscany.sca.interfacedef.java.introspect;version="2.0.0",

+ org.apache.tuscany.sca.interfacedef.util;version="2.0.0",

+ org.apache.tuscany.sca.monitor;version="2.0.0",

+ org.apache.tuscany.sca.policy;version="2.0.0",

+ org.oasisopen.sca.annotation;version="2.0.0"

+Bundle-SymbolicName: org.apache.tuscany.sca.interface.java

+Bundle-DocURL: http://www.apache.org/

+Bundle-RequiredExecutionEnvironment: J2SE-1.5,JavaSE-1.6
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/NOTICE b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/NOTICE
new file mode 100644
index 0000000000..25bb89c9b2
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/NOTICE
@@ -0,0 +1,6 @@
+${pom.name}
+Copyright (c) 2005 - 2009 The Apache Software Foundation
+
+This product includes software developed by
+The Apache Software Foundation (http://www.apache.org/).
+
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/pom.xml b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/pom.xml
new file mode 100644
index 0000000000..f010bf90fc
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/pom.xml
@@ -0,0 +1,59 @@
+<?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.    
+-->
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apache.tuscany.sca</groupId>
+        <artifactId>tuscany-modules</artifactId>
+        <version>2.0-M4-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>tuscany-interface-java</artifactId>
+    <name>Apache Tuscany SCA Interface Java Model</name>
+
+    <dependencies>
+    	<dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-extensibility</artifactId>
+            <version>2.0-M4-SNAPSHOT</version>
+        </dependency>
+    
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-assembly-xml</artifactId>
+            <version>2.0-M4-SNAPSHOT</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-sca-api</artifactId>
+            <version>2.0-M4-SNAPSHOT</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-contribution</artifactId>
+            <version>2.0-M4-SNAPSHOT</version>
+        </dependency>
+
+    </dependencies>
+
+</project>
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/DefaultJavaInterfaceFactory.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/DefaultJavaInterfaceFactory.java
new file mode 100644
index 0000000000..1e36b95da3
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/DefaultJavaInterfaceFactory.java
@@ -0,0 +1,99 @@
+/*
+ * 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;
+
+import java.io.IOException;
+import java.lang.reflect.Constructor;
+import java.util.Collection;
+import java.util.List;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
+import org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceFactoryImpl;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor;
+
+/**
+ * A factory for the Java interface model.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultJavaInterfaceFactory extends JavaInterfaceFactoryImpl implements JavaInterfaceFactory {
+    private static final Logger logger = Logger.getLogger(DefaultJavaInterfaceFactory.class.getName());
+    
+    private ExtensionPointRegistry registry;
+    // private Monitor monitor = null;
+    private boolean loadedVisitors; 
+    
+    public DefaultJavaInterfaceFactory(ExtensionPointRegistry registry) {
+        super();
+        this.registry = registry;
+    }
+    
+    @Override
+    public List<JavaInterfaceVisitor> getInterfaceVisitors() {
+        loadVisitors();
+        return super.getInterfaceVisitors();
+    }
+    
+    /**
+     * Load visitors declared under META-INF/services
+     */
+    @SuppressWarnings("unchecked")
+    private synchronized void loadVisitors() {
+        if (loadedVisitors)
+            return;
+        
+        // Get the databinding service declarations
+        Collection<ServiceDeclaration> visitorDeclarations; 
+        try {
+            visitorDeclarations = registry.getServiceDiscovery().getServiceDeclarations(JavaInterfaceVisitor.class, true);
+        } catch (IOException e) {
+            throw new IllegalStateException(e);
+        }
+        
+        // Load data bindings
+        for (ServiceDeclaration visitorDeclaration: visitorDeclarations) {
+            JavaInterfaceVisitor visitor = null;
+            try {
+                Class<JavaInterfaceVisitor> visitorClass = (Class<JavaInterfaceVisitor>)visitorDeclaration.loadClass();
+                
+                try {
+                    Constructor<JavaInterfaceVisitor> constructor = visitorClass.getConstructor(ExtensionPointRegistry.class);
+                    visitor = constructor.newInstance(registry);
+                } catch (NoSuchMethodException e) {
+                    visitor = visitorClass.newInstance();
+                }
+                
+                
+            } catch (Exception e) {
+                IllegalStateException ie = new IllegalStateException(e);
+                throw ie;
+            }
+            
+            logger.fine("Adding Java Interface visitor: " + visitor.getClass().getName());
+            
+            addInterfaceVisitor(visitor);
+        }
+        
+        loadedVisitors = true;
+    }
+
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/JavaInterface.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/JavaInterface.java
new file mode 100644
index 0000000000..0a2edb02c7
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/JavaInterface.java
@@ -0,0 +1,88 @@
+/*
+ * 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;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Base;
+import org.apache.tuscany.sca.interfacedef.Interface;
+
+/**
+ * Represents a Java interface.
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface JavaInterface extends Interface, Base {
+
+    /**
+     * Returns the name of the Java interface class.
+     * 
+     * @return the name of the Java interface class
+     */
+    String getName();
+
+    /**
+     * Sets the name of the Java interface class.
+     * 
+     * @param className the name of the Java interface class
+     */
+    void setName(String className);
+
+    /**
+     * Returns the QName of the JAX-WS interface.
+     *
+     * @return the QName of the JAX-WS interface
+     */
+    QName getQName();
+
+    /**
+     * Sets the QName of the JAX-WS interface.
+     *
+     * @param interfaceName the QName of the JAX-WS interface
+     */
+    void setQName(QName interfaceName);
+
+    /**
+     * Returns the Java interface class.
+     * 
+     * @return the Java interface class
+     */
+    Class<?> getJavaClass();
+
+    /**
+     * Sets the Java interface class.
+     * 
+     * @param javaClass the Java interface class
+     */
+    void setJavaClass(Class<?> javaClass);
+
+    /**
+     * Returns the callback class specified in an @Callback annotation.
+     * 
+     * @return the callback class specified in an @Callback annotation
+     */
+    Class<?> getCallbackClass();
+
+    /**
+     * Sets the callback class specified in an @Callback annotation.
+     * 
+     * @param callbackClass the callback class specified in an @Callback annotation
+     */
+    void setCallbackClass(Class<?> callbackClass);
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/JavaInterfaceContract.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/JavaInterfaceContract.java
new file mode 100644
index 0000000000..e3a84c63f0
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/JavaInterfaceContract.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;
+
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+
+/**
+ * Represents a Java interface contract.
+ * JavaInterfaceContract
+ *
+ * @version $Rev$ $Date$
+ */
+public interface JavaInterfaceContract extends InterfaceContract {
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/JavaInterfaceFactory.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/JavaInterfaceFactory.java
new file mode 100644
index 0000000000..c849a1acfa
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/JavaInterfaceFactory.java
@@ -0,0 +1,90 @@
+/*
+ * 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;
+
+import java.lang.reflect.Method;
+import java.util.List;
+
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor;
+
+/**
+ * Factory for the Java interface model
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface JavaInterfaceFactory {
+
+    /**
+     * Creates a new Java interface model.
+     * 
+     * @return
+     */
+    JavaInterface createJavaInterface();
+    
+    /**
+     * Creates a new Java interface model from an interface class.
+     * @param interfaceClass the interface class to introspect.
+     * @return
+     */
+    JavaInterface createJavaInterface(Class<?> interfaceClass) throws InvalidInterfaceException;
+    
+    /**
+     * Creates the contents of a Java interface model from an interface class.
+     * @param javaInterface the Java interface model
+     * @param interfaceClass the interface class to introspect.
+     * @return
+     */
+    void createJavaInterface(JavaInterface javaInterface, Class<?> interfaceClass) throws InvalidInterfaceException;
+    
+    /**
+     * Create a JavaOperation
+     * @param method
+     * @return
+     */
+    JavaOperation createJavaOperation(Method method);
+    
+    /**
+     * Creates a new Java interface contract.
+     * 
+     * @return
+     */
+    JavaInterfaceContract createJavaInterfaceContract();
+
+    /**
+     * 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/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/JavaOperation.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/JavaOperation.java
new file mode 100644
index 0000000000..e6cb35cc4b
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/JavaOperation.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.interfacedef.java;
+
+import java.lang.reflect.Method;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+
+/**
+ * Represents a Java operation.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface JavaOperation extends Operation {
+
+    /**
+     * Returns the Java method defining the operation.
+     * @return the Java method
+     */
+    Method getJavaMethod();
+    
+    /**
+     * Sets the Java method defining the operation.
+     * @param method the Java method
+     */
+    void setJavaMethod(Method method);
+
+    /**
+     * Returns the JAX-WS @WebMethod action parameter.
+     * @return the action value
+     */
+    String getAction();
+    
+    /**
+     * Sets the JAX-WS @WebMethod action parameter.
+     * @param action the action value
+     */
+    void setAction(String action);
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceContractImpl.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceContractImpl.java
new file mode 100644
index 0000000000..d43ebe558b
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceContractImpl.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.impl;
+
+import org.apache.tuscany.sca.interfacedef.impl.InterfaceContractImpl;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+
+/**
+ * Represents a Java interface contract.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JavaInterfaceContractImpl extends InterfaceContractImpl implements JavaInterfaceContract {
+    
+    protected JavaInterfaceContractImpl() {
+    }
+
+    @Override
+    public JavaInterfaceContractImpl clone() throws CloneNotSupportedException {
+        return (JavaInterfaceContractImpl) super.clone();
+    }
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceFactoryImpl.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceFactoryImpl.java
new file mode 100644
index 0000000000..b443cb988e
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceFactoryImpl.java
@@ -0,0 +1,93 @@
+/*
+ * 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.impl;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.WeakHashMap;
+
+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.JavaOperation;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor;
+
+/**
+ * A factory for the Java model.
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class JavaInterfaceFactoryImpl implements JavaInterfaceFactory {
+    
+    private List<JavaInterfaceVisitor> visitors = new ArrayList<JavaInterfaceVisitor>();
+    private JavaInterfaceIntrospectorImpl introspector;
+    private Map<Class<?>, JavaInterface> cache  = Collections.synchronizedMap(new WeakHashMap<Class<?>, JavaInterface>());
+    
+    public JavaInterfaceFactoryImpl() {
+        introspector = new JavaInterfaceIntrospectorImpl(this);
+    }
+
+    public JavaInterface createJavaInterface() {
+        return new JavaInterfaceImpl();
+    }
+    
+    public JavaInterface createJavaInterface(Class<?> interfaceClass) throws InvalidInterfaceException {
+        // TODO: Review if the sharing of JavaInterface is ok
+        synchronized (interfaceClass) {
+            JavaInterface javaInterface = cache.get(interfaceClass);
+            if (javaInterface == null) {
+                javaInterface = createJavaInterface();
+                introspector.introspectInterface(javaInterface, interfaceClass);
+                cache.put(interfaceClass, javaInterface);
+            }
+            return javaInterface;
+        }
+    }
+    
+    public void createJavaInterface(JavaInterface javaInterface, Class<?> interfaceClass) throws InvalidInterfaceException {
+        introspector.introspectInterface(javaInterface, interfaceClass);
+    }
+    
+    public JavaInterfaceContract createJavaInterfaceContract() {
+        return new JavaInterfaceContractImpl();
+    }
+
+    public void addInterfaceVisitor(JavaInterfaceVisitor extension) {
+        visitors.add(extension);
+    }
+
+    public void removeInterfaceVisitor(JavaInterfaceVisitor extension) {
+        visitors.remove(extension);
+    }
+
+    public List<JavaInterfaceVisitor> getInterfaceVisitors() {
+        return visitors;
+    }
+
+    public JavaOperation createJavaOperation(Method method) {
+        JavaOperation op =  new JavaOperationImpl();
+        op.setJavaMethod(method);
+        op.setName(method.getName());
+        return op;
+    }
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceImpl.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceImpl.java
new file mode 100644
index 0000000000..0b418054c5
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceImpl.java
@@ -0,0 +1,139 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.interfacedef.java.impl;
+
+import java.lang.ref.WeakReference;
+
+import javax.xml.namespace.QName;
+import org.apache.tuscany.sca.interfacedef.impl.InterfaceImpl;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+
+/**
+ * Represents a Java interface.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JavaInterfaceImpl extends InterfaceImpl implements JavaInterface {
+
+    private String className;
+    private WeakReference<Class<?>> javaClass;
+    private Class<?> callbackClass;
+    private QName qname;
+    
+    protected JavaInterfaceImpl() {
+    }
+
+    public String getName() {
+        if (isUnresolved()) {
+            return className;
+        } else if (javaClass != null) {
+            return javaClass.get().getName();
+        } else {
+            return null;
+        }
+    }
+
+    public void setName(String className) {
+        if (!isUnresolved()) {
+            throw new IllegalStateException();
+        }
+        this.className = className;
+    }
+
+    public QName getQName() {
+        return qname;
+    }
+
+    public void setQName(QName interfacename) {
+        qname = interfacename;
+    }
+
+    public Class<?> getJavaClass() {
+        if (javaClass != null){
+            return javaClass.get();
+        } else {
+            return null;
+        }
+    }
+
+    public void setJavaClass(Class<?> javaClass) {
+        this.javaClass = new WeakReference<Class<?>>(javaClass);
+        if (javaClass != null) {
+            this.className = javaClass.getName();
+        }
+    }
+    
+    public Class<?> getCallbackClass() {
+        return callbackClass;
+    }
+    
+    public void setCallbackClass(Class<?> callbackClass) {
+        this.callbackClass = callbackClass;
+    }
+    
+    @Override
+    public String toString() {
+        return getName();
+    }
+
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+        return super.clone();
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((className == null) ? 0 : className.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        JavaInterfaceImpl other = (JavaInterfaceImpl)obj;
+        if (isUnresolved() || other.isUnresolved()) {
+            if (className == null) {
+                if (other.className != null)
+                    return false;
+            } else if (!className.equals(other.className))
+                return false;
+        } else {
+            if (javaClass == null) {
+                if (other.javaClass != null)
+                    return false;
+            } else if (!javaClass.get().equals(other.javaClass.get()))
+                return false;
+            if (callbackClass == null) {
+                if (other.callbackClass != null)
+                    return false;
+            } else if (!callbackClass.equals(other.callbackClass))
+                return false;
+        }
+
+        return true;
+    }
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceIntrospectorImpl.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceIntrospectorImpl.java
new file mode 100644
index 0000000000..e903783300
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceIntrospectorImpl.java
@@ -0,0 +1,278 @@
+/*
+ * 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.impl;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Method;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.lang.reflect.TypeVariable;
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.Future;
+
+import javax.xml.namespace.QName;
+import javax.xml.ws.AsyncHandler;
+import javax.xml.ws.Response;
+
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.InvalidAnnotationException;
+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.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor;
+import org.apache.tuscany.sca.interfacedef.util.JavaXMLMapper;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+import org.oasisopen.sca.annotation.OneWay;
+import org.oasisopen.sca.annotation.Remotable;
+
+/**
+ * Default implementation of a Java interface introspector.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JavaInterfaceIntrospectorImpl {
+    public static final String IDL_INPUT = "idl:input";
+
+    private static final String UNKNOWN_DATABINDING = null;
+
+    private JavaInterfaceFactory javaFactory = null;
+    private List<JavaInterfaceVisitor> visitors = new ArrayList<JavaInterfaceVisitor>();
+    private boolean loadedVisitors;
+
+    public JavaInterfaceIntrospectorImpl(JavaInterfaceFactory javaFactory) {
+        this.javaFactory = javaFactory;
+    }
+
+    public void introspectInterface(JavaInterface javaInterface, Class<?> clazz) throws InvalidInterfaceException {
+        
+        if(!loadedVisitors) {
+            this.visitors = javaFactory.getInterfaceVisitors();
+        }
+        
+        javaInterface.setJavaClass(clazz);
+
+        boolean remotable = clazz.isAnnotationPresent(Remotable.class);
+
+        // Consider @javax.ejb.Remote, java.rmi.Remote and javax.ejb.EJBObject
+        // equivalent to @Remotable
+        if (!remotable) {
+            for (Annotation annotation : clazz.getAnnotations()) {
+                if ("javax.ejb.Remote".equals(annotation.annotationType().getName())) {
+                    remotable = true;
+                    break;
+                }
+            }
+        }
+        if (!remotable) {
+            for (Class<?> superInterface : clazz.getInterfaces()) {
+                if (Remote.class == superInterface || "javax.ejb.EJBObject".equals(superInterface.getName())) {
+                    remotable = true;
+                    break;
+                }
+            }
+        }
+        
+        if (remotable) {
+            if (javaInterface.isRemotableSet() && javaInterface.isRemotable() == false) {
+                throw new InvalidAnnotationException("@Remotable annotation present in a interface marked as not remotable in the SCDL", Remotable.class);
+            }
+        } else {
+            if (javaInterface.isRemotableSet()) {
+                remotable = javaInterface.isRemotable();
+            }
+        }
+
+        javaInterface.setRemotable(remotable);
+
+        Class<?> callbackClass = null;
+        org.oasisopen.sca.annotation.Callback callback = clazz.getAnnotation(org.oasisopen.sca.annotation.Callback.class);
+        if (callback != null && !Void.class.equals(callback.value())) {
+            callbackClass = callback.value();
+            if (remotable && !callbackClass.isAnnotationPresent(Remotable.class)) {
+                throw new InvalidCallbackException("Callback " + callbackClass.getName() + 
+                		" must be remotable on remotable interface " + clazz.getName());
+            }
+            if (!remotable && callbackClass.isAnnotationPresent(Remotable.class)) {
+                throw new InvalidCallbackException("Callback" + callbackClass.getName() + 
+                		" must not be remotable on local interface " + clazz.getName());
+            }
+        } else if (callback != null && Void.class.equals(callback.value())) {
+            throw new InvalidCallbackException("No callback interface specified on callback annotation in " + clazz.getName());
+        }
+
+        javaInterface.setCallbackClass(callbackClass);
+
+        String ns = JavaXMLMapper.getNamespace(clazz);
+        javaInterface.getOperations().addAll(getOperations(clazz, remotable, ns));
+
+        for (JavaInterfaceVisitor extension : visitors) {
+            extension.visitInterface(javaInterface);
+        }
+    }
+
+    private Class<?>[] getActualTypes(Type[] types, Class<?>[] rawTypes, Map<String, Type> typeBindings) {
+        Class<?>[] actualTypes = new Class<?>[types.length];
+        for (int i = 0; i < actualTypes.length; i++) {
+            actualTypes[i] = getActualType(types[i], rawTypes[i], typeBindings);
+        }
+        return actualTypes;
+    }
+
+    private Class<?> getActualType(Type type, Class<?> rawType, Map<String, Type> typeBindings) {
+        if (type instanceof TypeVariable<?>) {
+            TypeVariable<?> typeVariable = (TypeVariable<?>)type;
+            type = typeBindings.get(typeVariable.getName());
+            if (type instanceof Class<?>) {
+                return (Class<?>)type;
+            }
+        }
+        return rawType;
+    }
+
+    private <T> List<Operation> getOperations(Class<T> clazz,
+                                              boolean remotable,
+                                              String ns) throws InvalidInterfaceException {
+
+        Set<Type> genericInterfaces = new HashSet<Type>();
+        for (Type t : clazz.getGenericInterfaces()) {
+            genericInterfaces.add(t);
+        }
+        Map<String, Type> typeBindings = new HashMap<String, Type>();
+        for (Type genericInterface : genericInterfaces) {
+            if (genericInterface instanceof ParameterizedType) {
+                ParameterizedType parameterizedType = (ParameterizedType)genericInterface;
+                TypeVariable<?>[] typeVariables = ((Class<?>)parameterizedType.getRawType()).getTypeParameters();
+                Type[] typeArguments = parameterizedType.getActualTypeArguments();
+                for (int i = 0; i < typeArguments.length; i++) {
+                    typeBindings.put(typeVariables[i].getName(), typeArguments[i]);
+                }
+            }
+        }
+
+        Method[] methods = clazz.getMethods();
+        List<Operation> operations = new ArrayList<Operation>(methods.length);
+        Set<String> names = remotable ? new HashSet<String>() : null;
+        for (Method method : methods) {
+            if (method.getDeclaringClass() == Object.class) {
+                // Skip the methods on the Object.class
+                continue;
+            }
+            String name = method.getName();
+            if (remotable && names.contains(name)) {
+                throw new OverloadedOperationException(method);
+            }
+            if (remotable && !jaxwsAsyncMethod(method)) {
+                names.add(name);
+            }
+
+            Class<?> returnType = getActualType(method.getGenericReturnType(), method.getReturnType(), typeBindings);
+            Class<?>[] parameterTypes =
+                getActualTypes(method.getGenericParameterTypes(), method.getParameterTypes(), typeBindings);
+            Class<?>[] faultTypes =
+                getActualTypes(method.getGenericExceptionTypes(), method.getExceptionTypes(), typeBindings);
+
+            boolean nonBlocking = method.isAnnotationPresent(OneWay.class);
+            if (nonBlocking) {
+                if (!(returnType == void.class)) {
+                    throw new InvalidOperationException(
+                                                        "Method should return 'void' when declared with an @OneWay annotation. " + method,
+                                                        method);
+                }
+                if (!(faultTypes.length == 0)) {
+                    throw new InvalidOperationException(
+                                                        "Method should not declare exceptions with an @OneWay annotation. " + method,
+                                                        method);
+                }
+            }
+
+            // Set outputType to null for void
+            XMLType xmlReturnType = new XMLType(new QName(ns, "return"), null);
+            DataType<XMLType> returnDataType =
+                returnType == void.class ? null : new DataTypeImpl<XMLType>(UNKNOWN_DATABINDING, returnType, method
+                    .getGenericReturnType(), xmlReturnType);
+            List<DataType> paramDataTypes = new ArrayList<DataType>(parameterTypes.length);
+            Type[] genericParamTypes = method.getGenericParameterTypes();
+            for (int i = 0; i < parameterTypes.length; i++) {
+                Class<?> paramType = parameterTypes[i];
+                XMLType xmlParamType = new XMLType(new QName(ns, "arg" + i), null);
+                paramDataTypes.add(new DataTypeImpl<XMLType>(UNKNOWN_DATABINDING, paramType, genericParamTypes[i],
+                                                             xmlParamType));
+            }
+            List<DataType> faultDataTypes = new ArrayList<DataType>(faultTypes.length);
+            Type[] genericFaultTypes = method.getGenericExceptionTypes();
+            for (int i = 0; i < faultTypes.length; i++) {
+                Class<?> faultType = faultTypes[i];
+                // Only add checked exceptions
+                // JAXWS Specification v2.1 section 3.7 says RemoteException should not be mapped
+                if (Exception.class.isAssignableFrom(faultType) && (!RuntimeException.class.isAssignableFrom(faultType))
+                    && (!RemoteException.class.isAssignableFrom(faultType))) {
+                    XMLType xmlFaultType = new XMLType(new QName(ns, faultType.getSimpleName()), null);
+                    DataType<XMLType> faultDataType =
+                        new DataTypeImpl<XMLType>(UNKNOWN_DATABINDING, faultType, genericFaultTypes[i], xmlFaultType);
+                    faultDataTypes.add(new DataTypeImpl<DataType>(UNKNOWN_DATABINDING, faultType, genericFaultTypes[i],
+                                                                  faultDataType));
+                }
+            }
+
+            DataType<List<DataType>> inputType =
+                new DataTypeImpl<List<DataType>>(IDL_INPUT, Object[].class, paramDataTypes);
+            JavaOperation operation = new JavaOperationImpl();
+            operation.setName(name);
+            operation.setInputType(inputType);
+            operation.setOutputType(returnDataType);
+            operation.setFaultTypes(faultDataTypes);
+            operation.setNonBlocking(nonBlocking);
+            operation.setJavaMethod(method);
+            operations.add(operation);
+        }
+        return operations;
+    }
+
+    private boolean jaxwsAsyncMethod(Method method) {
+        if (method.getName().endsWith("Async")) {
+            if (method.getName().endsWith("Async")) {
+                if (method.getReturnType().isAssignableFrom(Future.class)) {
+                    if (method.getParameterTypes().length > 0) {
+                        if (method.getParameterTypes()[method.getParameterTypes().length-1].isAssignableFrom(AsyncHandler.class)) {
+                            return true;
+                        }
+                    }
+                }
+                if (method.getReturnType().isAssignableFrom(Response.class)) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceUtil.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceUtil.java
new file mode 100644
index 0000000000..2a9e3c5329
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceUtil.java
@@ -0,0 +1,173 @@
+/*
+ * 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.impl;
+
+import java.lang.reflect.Method;
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
+
+/**
+ * Contains methods for mapping between an operation in a
+ * {@link org.apache.tuscany.spi.model.ServiceContract} and a method defined by
+ * a Java interface
+ * 
+ * @version $Rev$ $Date$
+ */
+public final class JavaInterfaceUtil {
+
+    private JavaInterfaceUtil() {
+    }
+
+    /**
+     * Return the method on the implementation class that matches the operation.
+     * 
+     * @param implClass the implementation class or interface
+     * @param operation the operation to match
+     * @return the method described by the operation
+     * @throws NoSuchMethodException if no such method exists
+     * @Deprecated
+     */
+    public static Method findMethod(Class<?> implClass, Operation operation) throws NoSuchMethodException {
+        String name = operation.getName();
+        if (operation instanceof JavaOperation) {
+            name = ((JavaOperation)operation).getJavaMethod().getName();
+        }
+        Interface interface1 = operation.getInterface();
+        int numParams = operation.getInputType().getLogical().size();
+        if (interface1 != null && interface1.isRemotable()) {
+            List<Method> matchingMethods = new ArrayList<Method>();
+            for (Method m : implClass.getMethods()) {
+                if (m.getName().equals(name) && m.getParameterTypes().length == numParams) {
+                    matchingMethods.add(m);
+                }
+            }
+            
+            // TUSCANY-2180 If there is only one method then we just match on the name 
+            // (this is the same as the existing behaviour)
+            if (matchingMethods.size() == 1) {
+                return matchingMethods.get(0);
+            }
+            if (matchingMethods.size() > 1) {
+                // TUSCANY-2180 We need to check the parameter types too
+                Class<?>[] paramTypes = getPhysicalTypes(operation);
+                return implClass.getMethod(name, paramTypes);
+            }
+            
+            // No matching method found
+            throw new NoSuchMethodException("No matching method for operation " + operation.getName()
+                + " is found on "
+                + implClass);
+        }
+        Class<?>[] paramTypes = getPhysicalTypes(operation);
+        return implClass.getMethod(name, paramTypes);
+    }
+
+    /**
+     * @Deprecated
+     */
+    private static Class<?>[] getPhysicalTypes(Operation operation) {
+        DataType<List<DataType>> inputType = operation.getInputType();
+        if (inputType == null) {
+            return new Class<?>[] {};
+        }
+        List<DataType> types = inputType.getLogical();
+        Class<?>[] javaTypes = new Class<?>[types.size()];
+        for (int i = 0; i < javaTypes.length; i++) {
+            Type physical = types.get(i).getPhysical();
+            if (physical instanceof Class<?>) {
+                javaTypes[i] = (Class<?>)physical;
+            } else {
+                throw new UnsupportedOperationException();
+            }
+        }
+        return javaTypes;
+    }
+
+    /**
+     * Searches a collection of operations for a match against the given method
+     * 
+     * @param method the method to match
+     * @param operations the operations to match against
+     * @return a matching operation or null
+     * @Deprecated
+     */
+    public static Operation findOperation(Method method, Collection<Operation> operations) {
+        for (Operation operation : operations) {
+            if (match(operation, method)) {
+                return operation;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Determines if the given operation matches the given method
+     * 
+     * @return true if the operation matches, false if does not
+     */
+    private static boolean match(Operation operation, Method method) {
+        Class<?>[] params = method.getParameterTypes();
+        DataType<List<DataType>> inputType = operation.getInputType();
+        List<DataType> types = inputType.getLogical();
+        boolean found = true;
+        if (types.size() == params.length && method.getName().equals(operation.getName())) {
+            for (int i = 0; i < params.length; i++) {
+                Class<?> clazz = params[i];
+                if (!clazz.equals(operation.getInputType().getLogical().get(i).getPhysical())) {
+                    found = false;
+                }
+            }
+        } else {
+            found = false;
+        }
+        return found;
+
+    }
+    
+    private static String getPackageName(Class<?> cls) {
+        String name = cls.getName();
+        int index = name.lastIndexOf('.');
+        return index == -1 ? "" : name.substring(0, index);
+    }
+
+    public static String getNamespace(Class<?> cls) {
+        String packageName = getPackageName(cls);
+        if ("".equals(packageName)) {
+            return "";
+        }
+        StringBuffer ns = new StringBuffer("http://");
+        String[] names = packageName.split("\\.");
+        for (int i = names.length - 1; i >= 0; i--) {
+            ns.append(names[i]);
+            if (i != 0) {
+                ns.append('.');
+            }
+        }
+        ns.append('/');
+        return ns.toString();
+    }
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaOperationImpl.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaOperationImpl.java
new file mode 100644
index 0000000000..4384213bf5
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaOperationImpl.java
@@ -0,0 +1,83 @@
+/*
+ * 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.impl;
+
+import java.lang.reflect.Method;
+
+import org.apache.tuscany.sca.interfacedef.impl.OperationImpl;
+import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
+
+/**
+ * Represents a Java operation. 
+ *
+ * @version $Rev$ $Date$
+ */
+public class JavaOperationImpl extends OperationImpl implements JavaOperation {
+
+    private Method method;
+    private String action;
+
+    public Method getJavaMethod() {
+        return method;
+    }
+
+    public void setJavaMethod(Method method) {
+        this.method = method;
+    }
+
+    public String getAction() {
+        return action;
+    }
+    
+    public void setAction(String action) {
+        this.action = action;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = super.hashCode();
+        result = prime * result + ((method == null) ? 0 : method.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (!super.equals(obj))
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        final JavaOperationImpl other = (JavaOperationImpl)obj;
+        if (method == null) {
+            if (other.method != null)
+                return false;
+        } else if (!method.equals(other.method))
+            return false;
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return method == null ? "null" : method.toGenericString();
+    }
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/PolicyJavaInterfaceVisitor.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/PolicyJavaInterfaceVisitor.java
new file mode 100644
index 0000000000..1610a2e8ec
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/PolicyJavaInterfaceVisitor.java
@@ -0,0 +1,210 @@
+/*
+ * 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.impl;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Method;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.PolicyFactory;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.oasisopen.sca.annotation.PolicySets;
+import org.oasisopen.sca.annotation.Qualifier;
+import org.oasisopen.sca.annotation.Requires;
+
+/**
+ * Processes an {@link org.oasisopen.sca.annotation.Requires} annotation
+ *
+ * @version $Rev$ $Date$
+ */
+public class PolicyJavaInterfaceVisitor implements JavaInterfaceVisitor {
+    private PolicyFactory policyFactory;
+
+    public PolicyJavaInterfaceVisitor(ExtensionPointRegistry registry) {
+        super();
+        this.policyFactory = registry.getExtensionPoint(FactoryExtensionPoint.class).getFactory(PolicyFactory.class);
+    }
+
+    private QName getQName(String intentName) {
+        QName qname;
+        if (intentName.startsWith("{")) {
+            int i = intentName.indexOf('}');
+            if (i != -1) {
+                qname = new QName(intentName.substring(1, i), intentName.substring(i + 1));
+            } else {
+                qname = new QName("", intentName);
+            }
+        } else {
+            qname = new QName("", intentName);
+        }
+        return qname;
+    }
+
+    /**
+     * Read policy intents on the given interface or class 
+     * @param clazz
+     * @param requiredIntents
+     */
+    private void readIntentsAndPolicySets(Class<?> clazz, List<Intent> requiredIntents, List<PolicySet> policySets) {
+        Requires intentAnnotation = clazz.getAnnotation(Requires.class);
+        if (intentAnnotation != null) {
+            String[] intentNames = intentAnnotation.value();
+            if (intentNames.length != 0) {
+                for (String intentName : intentNames) {
+
+                    // Add each intent to the list
+                    Intent intent = policyFactory.createIntent();
+                    intent.setName(getQName(intentName));
+                    requiredIntents.add(intent);
+                }
+            }
+        }
+
+        readSpecificIntents(clazz.getAnnotations(), requiredIntents);
+        
+        PolicySets policySetAnnotation = clazz.getAnnotation(PolicySets.class);
+        if (policySetAnnotation != null) {
+            String[] policySetNames = policySetAnnotation.value();
+            if (policySetNames.length != 0) {
+                for (String policySetName : policySetNames) {
+
+                    // Add each intent to the list
+                    PolicySet policySet = policyFactory.createPolicySet();
+                    policySet.setName(getQName(policySetName));
+                    policySets.add(policySet);
+                }
+            }
+        }
+    }
+
+    private void readIntents(Requires intentAnnotation, List<Intent> requiredIntents) {
+        //Requires intentAnnotation = method.getAnnotation(Requires.class);
+        if (intentAnnotation != null) {
+            String[] intentNames = intentAnnotation.value();
+            if (intentNames.length != 0) {
+                //Operation operation = assemblyFactory.createOperation();
+                //operation.setName(method.getName());
+                //operation.setUnresolved(true);
+                for (String intentName : intentNames) {
+
+                    // Add each intent to the list, associated with the
+                    // operation corresponding to the annotated method
+                    Intent intent = policyFactory.createIntent();
+                    intent.setName(getQName(intentName));
+                    //intent.getOperations().add(operation);
+                    requiredIntents.add(intent);
+                }
+            }
+        }
+    }
+
+    private void readPolicySets(PolicySets policySetAnnotation, List<PolicySet> policySets) {
+        if (policySetAnnotation != null) {
+            String[] policySetNames = policySetAnnotation.value();
+            if (policySetNames.length != 0) {
+                //Operation operation = assemblyFactory.createOperation();
+                //operation.setName(method.getName());
+                //operation.setUnresolved(true);
+                for (String policySetName : policySetNames) {
+                    // Add each intent to the list, associated with the
+                    // operation corresponding to the annotated method
+                    PolicySet policySet = policyFactory.createPolicySet();
+                    policySet.setName(getQName(policySetName));
+                    //intent.getOperations().add(operation);
+                    policySets.add(policySet);
+                }
+            }
+        }
+    }
+
+    public void visitInterface(JavaInterface javaInterface) throws InvalidInterfaceException {
+
+        if (javaInterface.getJavaClass() != null) {
+            readIntentsAndPolicySets(javaInterface.getJavaClass(), javaInterface.getRequiredIntents(), javaInterface
+                .getPolicySets());
+
+            // Read intents on the service interface methods 
+            List<Operation> operations = javaInterface.getOperations();
+            for (Operation op : operations) {
+                JavaOperation operation = (JavaOperation)op;
+                Method method = operation.getJavaMethod();
+                readIntents(method.getAnnotation(Requires.class), op.getRequiredIntents());
+                readSpecificIntents(method.getAnnotations(), op.getRequiredIntents());
+                readPolicySets(method.getAnnotation(PolicySets.class), op.getPolicySets());
+            }
+        }
+    }
+
+    private void readSpecificIntents(Annotation[] annotations, List<Intent> requiredIntents) {
+        for (Annotation a : annotations) {
+            org.oasisopen.sca.annotation.Intent intentAnnotation =
+                a.annotationType().getAnnotation(org.oasisopen.sca.annotation.Intent.class);
+            if (intentAnnotation == null) {
+                continue;
+            }
+            QName qname = null;
+            String value = intentAnnotation.value();
+            if (!value.equals("")) {
+                qname = getQName(value);
+            } else {
+                qname = new QName(intentAnnotation.targetNamespace(), intentAnnotation.localPart());
+            }
+            Set<String> qualifiers = new HashSet<String>();
+            for(Method m: a.annotationType().getMethods()) {
+                Qualifier qualifier = m.getAnnotation(Qualifier.class);
+                if (qualifier != null && m.getReturnType() == String[].class) {
+                    try {
+                        qualifiers.addAll(Arrays.asList((String[]) m.invoke(a)));
+                    } catch (Throwable e) {
+                        e.printStackTrace();
+                    } 
+                }
+            }
+            qualifiers.remove("");
+            if (qualifiers.isEmpty()) {
+                Intent intent = policyFactory.createIntent();
+                intent.setUnresolved(true);
+                intent.setName(qname);
+                requiredIntents.add(intent);
+            } else {
+                for (String q : qualifiers) {
+                    Intent intent = policyFactory.createIntent();
+                    intent.setUnresolved(true);
+                    qname = new QName(qname.getNamespaceURI(), qname.getLocalPart() + "." + q);
+                    intent.setName(qname);
+                    requiredIntents.add(intent);
+                }
+            }
+        }
+    }
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceVisitor.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceVisitor.java
new file mode 100644
index 0000000000..3bc03a528e
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/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/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaConstants.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaConstants.java
new file mode 100644
index 0000000000..75816b1d36
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaConstants.java
@@ -0,0 +1,36 @@
+/*
+ * 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;
+
+/**
+ * Interface Java XML Constants.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface JavaConstants {
+    String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200903";
+    String INTERFACE_JAVA = "interface.java";
+    QName INTERFACE_JAVA_QNAME = new QName(SCA11_NS, "interface.java");
+    String INTERFACE = "interface";
+    String CALLBACK_INTERFACE = "callbackInterface";
+    String REMOTABLE = "remotable";
+    
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaInterfaceProcessor.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaInterfaceProcessor.java
new file mode 100644
index 0000000000..519ce7b36f
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaInterfaceProcessor.java
@@ -0,0 +1,346 @@
+/*
+ * 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 java.lang.annotation.Annotation;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.Arrays;
+import java.util.List;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.processor.ContributionWriteException;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ClassReference;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+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.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+import org.oasisopen.sca.annotation.AllowsPassByReference;
+import org.oasisopen.sca.annotation.Callback;
+import org.oasisopen.sca.annotation.ComponentName;
+import org.oasisopen.sca.annotation.Constructor;
+import org.oasisopen.sca.annotation.Context;
+import org.oasisopen.sca.annotation.Destroy;
+import org.oasisopen.sca.annotation.EagerInit;
+import org.oasisopen.sca.annotation.Init;
+import org.oasisopen.sca.annotation.Intent;
+import org.oasisopen.sca.annotation.Property;
+import org.oasisopen.sca.annotation.Qualifier;
+import org.oasisopen.sca.annotation.Reference;
+import org.oasisopen.sca.annotation.Scope;
+import org.oasisopen.sca.annotation.Service;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class JavaInterfaceProcessor implements StAXArtifactProcessor<JavaInterfaceContract>, JavaConstants {
+    private static final String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200903";
+    private JavaInterfaceFactory javaFactory;
+    
+
+    public JavaInterfaceProcessor(FactoryExtensionPoint modelFactories) {
+        this.javaFactory = modelFactories.getFactory(JavaInterfaceFactory.class);
+    }
+    
+    /**
+     * Report a exception.
+     * 
+     * @param problems
+     * @param message
+     * @param model
+     */
+    private void error(Monitor monitor, String message, Object model, Exception ex) {
+        if (monitor != null) {
+            Problem problem =
+                monitor.createProblem(this.getClass().getName(),
+                                      "interface-javaxml-validation-messages",
+                                      Severity.ERROR,
+                                      model,
+                                      message,
+                                      ex);
+            monitor.problem(problem);
+        }
+    }
+     
+     /**
+      * Report a error.
+      * 
+      * @param problems
+      * @param message
+      * @param model
+      */
+    private void error(Monitor monitor, String message, Object model, Object... messageParameters) {
+        if (monitor != null) {
+            Problem problem =
+                monitor.createProblem(this.getClass().getName(),
+                                      "interface-javaxml-validation-messages",
+                                      Severity.ERROR,
+                                      model,
+                                      message,
+                                      (Object[])messageParameters);
+            monitor.problem(problem);
+        }
+    }
+    
+    private JavaInterface createJavaInterface(String interfaceName) {
+        JavaInterface javaInterface = javaFactory.createJavaInterface();
+        javaInterface.setUnresolved(true);
+        javaInterface.setName(interfaceName);
+        return javaInterface;
+    }
+
+    public JavaInterfaceContract read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException, XMLStreamException {
+        
+        // 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);
+        }
+
+        String remotable = reader.getAttributeValue(null, REMOTABLE);
+        if (remotable != null) {
+            javaInterfaceContract.getInterface().setRemotable(Boolean.parseBoolean(remotable));
+        }
+
+        
+        // Skip to end element
+        while (reader.hasNext()) {
+            if (reader.next() == END_ELEMENT && INTERFACE_JAVA_QNAME.equals(reader.getName())) {
+                break;
+            }
+        }
+        return javaInterfaceContract;
+    }
+    
+    public void write(JavaInterfaceContract javaInterfaceContract, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, XMLStreamException {
+        
+        // Write an <interface.java>
+        writer.writeStartElement(SCA11_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();
+    }
+    
+    private JavaInterface resolveJavaInterface(JavaInterface javaInterface, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException {
+        
+        if (javaInterface != null && javaInterface.isUnresolved()) {
+            Monitor monitor = context.getMonitor();
+            // Resolve the Java interface
+            javaInterface = resolver.resolveModel(JavaInterface.class, javaInterface, context);
+            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, context);
+                Class<?> javaClass = classReference.getJavaClass();
+                if (javaClass == null) {
+                    error(monitor, "ClassNotFoundException", resolver, javaInterface.getName());
+                    return javaInterface;
+                    //throw new ContributionResolveException(new ClassNotFoundException(javaInterface.getName()));
+                }
+                
+                try {                        
+                    // Introspect the Java interface and populate the interface and
+                    // operations
+                    javaFactory.createJavaInterface(javaInterface, javaClass);
+                
+                } catch (InvalidInterfaceException e) {
+                	ContributionResolveException ce = new ContributionResolveException("Resolving Java interface " + javaInterface.getName(), e);
+                	//error("ContributionResolveException", javaFactory, ce);
+                	error(monitor, "InvalidInterfaceException", javaFactory, e);
+                    return javaInterface;
+                	//throw ce;
+                } catch ( Exception e ) {
+                	throw new ContributionResolveException( "Resolving Java interface " + javaInterface.getName(), e );
+                } // end try
+
+                // Cache the resolved interface
+                javaInterface.setUnresolved(false);
+                resolver.addModel(javaInterface, context);
+            }
+        }
+        return javaInterface;
+    }
+
+    public void resolve(JavaInterfaceContract javaInterfaceContract, ModelResolver resolver, ProcessorContext context)
+        throws ContributionResolveException {
+        try {
+            Monitor monitor = context.getMonitor();
+            // Resolve the interface and callback interface
+            JavaInterface javaInterface =
+                resolveJavaInterface((JavaInterface)javaInterfaceContract.getInterface(), resolver, context);
+            javaInterfaceContract.setInterface(javaInterface);
+
+            JavaInterface javaCallbackInterface =
+                resolveJavaInterface((JavaInterface)javaInterfaceContract.getCallbackInterface(), resolver, context);
+            javaInterfaceContract.setCallbackInterface(javaCallbackInterface);
+	        
+	        checkForbiddenAnnotations(monitor, javaInterfaceContract);
+	        
+        } catch (Exception e) {
+            throw new ContributionResolveException("Resolving Java Interface " + javaInterfaceContract.getInterface()
+                .toString(), e);
+        } // end try
+    }
+    
+    private static List<Class<?>> JCA30006_ANNOTATIONS =
+        Arrays.asList(new Class<?>[] {AllowsPassByReference.class, ComponentName.class, Constructor.class, Context.class,
+                                   Destroy.class, EagerInit.class, Init.class, Intent.class, Property.class, Qualifier.class,
+                                   Reference.class, Scope.class, Service.class});
+    private static List<Class<?>> JCA30007_ANNOTATIONS =
+        Arrays.asList(new Class<?>[] {AllowsPassByReference.class, Callback.class, ComponentName.class, Constructor.class,
+                                   Context.class, Destroy.class, EagerInit.class, Init.class, Intent.class,
+                                   Property.class, Qualifier.class, Reference.class, Scope.class, Service.class}); 
+    private static List<Class<?>> JCA30008_ANNOTATIONS = Arrays.asList(new Class<?>[] {Intent.class, Qualifier.class}); 
+    
+    private void checkForbiddenAnnotations(Monitor monitor, JavaInterfaceContract javaInterfaceContract) {
+        if (javaInterfaceContract.getInterface() == null) {
+            return;
+        }
+        Class<?> ifc = ((JavaInterface) javaInterfaceContract.getInterface()).getJavaClass();
+        if (ifc == null) {
+            return;
+        }
+        for (Annotation a : ifc.getAnnotations()) {
+            if (ifc.isInterface()) {
+                if (JCA30006_ANNOTATIONS.contains(a.annotationType())) {
+                    error(monitor, "ForbiddenAnnotationJCA30006", javaInterfaceContract, a.annotationType(), ifc.getName());
+                }
+            } else {
+                if (JCA30008_ANNOTATIONS.contains(a.annotationType())) {
+                    error(monitor, "ForbiddenAnnotationJCA30008", javaInterfaceContract, a.annotationType(), ifc.getName());
+                }
+            }
+        }
+        for (Method m : ifc.getMethods()) {
+            for (Annotation a : m.getAnnotations()) {
+                if (ifc.isInterface()) {
+                    if (JCA30006_ANNOTATIONS.contains(a.annotationType())) {
+                        error(monitor, "ForbiddenAnnotationJCA30006", javaInterfaceContract, a.annotationType(), ifc.getName());
+                    }
+                } else {
+                    if (JCA30008_ANNOTATIONS.contains(a.annotationType())) {
+                        error(monitor, "ForbiddenAnnotationJCA30008", javaInterfaceContract, a.annotationType(), ifc.getName());
+                    }
+                }
+            }
+        }
+        for (Field f : ifc.getFields()) {
+            for (Annotation a : f.getAnnotations()) {
+                if (ifc.isInterface()) {
+                    if (JCA30006_ANNOTATIONS.contains(a.annotationType())) {
+                        error(monitor, "ForbiddenAnnotationJCA30006", javaInterfaceContract, a.annotationType(), ifc.getName());
+                    }
+                } else {
+                    if (JCA30008_ANNOTATIONS.contains(a.annotationType())) {
+                        error(monitor, "ForbiddenAnnotationJCA30008", javaInterfaceContract, a.annotationType(), ifc.getName());
+                    }
+                }
+            }
+        }
+        
+        if (javaInterfaceContract.getCallbackInterface() == null) {
+            return;
+        }
+        ifc = ((JavaInterface) javaInterfaceContract.getCallbackInterface()).getJavaClass();
+        if (ifc == null) {
+            return;
+        }
+
+        for (Annotation a : ifc.getAnnotations()) {
+            if (ifc.isInterface()) {
+                if (JCA30007_ANNOTATIONS.contains(a.annotationType())) {
+                    error(monitor, "ForbiddenAnnotationJCA30007", javaInterfaceContract, a.annotationType(), ifc.getName());
+                }
+            } else {
+                if (JCA30008_ANNOTATIONS.contains(a.annotationType())) {
+                    error(monitor, "ForbiddenAnnotationJCA30008", javaInterfaceContract, a.annotationType(), ifc.getName());
+                }
+            }
+        }
+        for (Method m : ifc.getMethods()) {
+            for (Annotation a : m.getAnnotations()) {
+                if (ifc.isInterface()) {
+                    if (JCA30007_ANNOTATIONS.contains(a.annotationType())) {
+                        error(monitor, "ForbiddenAnnotationJCA30007", javaInterfaceContract, a.annotationType(), ifc.getName());
+                    }
+                } else {
+                    if (JCA30008_ANNOTATIONS.contains(a.annotationType())) {
+                        error(monitor, "ForbiddenAnnotationJCA30008", javaInterfaceContract, a.annotationType(), ifc.getName());
+                    }
+                }
+            }
+        }
+        for (Field f : ifc.getFields()) {
+            for (Annotation a : f.getAnnotations()) {
+                if (ifc.isInterface()) {
+                    if (JCA30007_ANNOTATIONS.contains(a.annotationType())) {
+                        error(monitor, "ForbiddenAnnotationJCA30007", javaInterfaceContract, a.annotationType(), ifc.getName());
+                    }
+                } else {
+                    if (JCA30008_ANNOTATIONS.contains(a.annotationType())) {
+                        error(monitor, "ForbiddenAnnotationJCA30008", javaInterfaceContract, a.annotationType(), ifc.getName());
+                    }
+                }
+            }
+        }
+    }
+
+    public QName getArtifactType() {
+        return INTERFACE_JAVA_QNAME;
+    }
+    
+    public Class<JavaInterfaceContract> getModelType() {
+        return JavaInterfaceContract.class;
+    }
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
new file mode 100644
index 0000000000..7f133c0ba7
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
@@ -0,0 +1,20 @@
+# 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. 
+
+# Implementation class for the artifact processor extension
+org.apache.tuscany.sca.interfacedef.java.xml.JavaInterfaceProcessor;qname=http://docs.oasis-open.org/ns/opencsa/sca/200903#interface.java,model=org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract
+

diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/resources/META-INF/services/org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/resources/META-INF/services/org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory
new file mode 100644
index 0000000000..82972f856a
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/resources/META-INF/services/org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory
@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License. 
+
+org.apache.tuscany.sca.interfacedef.java.DefaultJavaInterfaceFactory

diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/resources/META-INF/services/org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/resources/META-INF/services/org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor
new file mode 100644
index 0000000000..ef73adb3e6
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/resources/META-INF/services/org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor
@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License. 
+org.apache.tuscany.sca.interfacedef.java.impl.PolicyJavaInterfaceVisitor;ranking=1000
+

diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/resources/interface-javaxml-validation-messages.properties b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/resources/interface-javaxml-validation-messages.properties
new file mode 100644
index 0000000000..3aef8f69ac
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/main/resources/interface-javaxml-validation-messages.properties
@@ -0,0 +1,27 @@
+#
+#
+#    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.
+#
+#
+ClassNotFoundException = Class Not Found Exception: {0}
+ContributionResolveException = ContributionResolveException occurred due to: {0}
+InvalidInterfaceException = InvalidInterfaceException due to: {0}
+ForbiddenAnnotationJCA30006 = JCA30006 Forbidden annotation {0} found in class {1}
+ForbiddenAnnotationJCA30007 = JCA30007 Forbidden annotation {0} found in class {1}
+ForbiddenAnnotationJCA30008 = JCA30008 Forbidden annotation {0} found in class {1}
+
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceUtilDuplicateRemotableTestCase.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceUtilDuplicateRemotableTestCase.java
new file mode 100644
index 0000000000..c70bdcaf47
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceUtilDuplicateRemotableTestCase.java
@@ -0,0 +1,317 @@
+/*
+ * 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.impl;
+
+import static org.junit.Assert.assertEquals;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+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.InterfaceImpl;
+import org.apache.tuscany.sca.interfacedef.impl.OperationImpl;
+import org.apache.tuscany.sca.interfacedef.java.DefaultJavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.junit.Assert;
+import org.junit.Test;
+import org.oasisopen.sca.annotation.Remotable;
+
+/**
+ * This test case will test that a Component that has multiple Remotable interfaces
+ * that contain methods with the same name will correctly select the right method.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JavaInterfaceUtilDuplicateRemotableTestCase {
+
+    /**
+     * Test to get the getTime() method from the LocalTimeService
+     *
+     * @throws Exception Test failed
+     */
+    @Test
+    public void testLocalTimeServiceGetTime() throws Exception {
+        doTestLocalTimeServiceGetTime(LocalTimeService.class);
+    }
+
+    /**
+     * Test to get the getTime() method from the LocalTimeService interface from
+     * the specified class
+     *
+     * @param timeServiceClass The class that implements the LocalTimeService
+     * @throws Exception Test failed
+     */
+    private void doTestLocalTimeServiceGetTime(Class<?> timeServiceClass) throws Exception {
+        // Add a getTime() method
+        Operation operation = newOperation("getTime", LocalTimeService.class);
+
+        Method method = JavaInterfaceUtil.findMethod(timeServiceClass, operation);
+        assertEquals("getTime", method.getName());
+        assertEquals(0, method.getParameterTypes().length);
+    }
+
+    /**
+     * Test to get the getTime(String) method from the WorldTimeService
+     *
+     * @throws Exception Test failed
+     */
+    @Test
+    public void testWorldTimeServiceGetTime() throws Exception {
+        doTestWorldTimeServiceGetTime(WorldTimeService.class);
+    }
+
+    /**
+     * Test to get the getTime(String) method from the WorldTimeService interface from
+     * the specified class
+     *
+     * @param timeServiceClass The class that implements the WorldTimeService
+     * @throws Exception Test failed
+     */
+    private void doTestWorldTimeServiceGetTime(Class<?> timeServiceClass) throws Exception {
+        // Add a getTime(String) method
+        Operation operation = newOperation("getTime", WorldTimeService.class, String.class);
+
+        Method method = JavaInterfaceUtil.findMethod(timeServiceClass, operation);
+        assertEquals("getTime", method.getName());
+        assertEquals(1, method.getParameterTypes().length);
+        assertEquals(String.class, method.getParameterTypes()[0]);
+    }
+
+    /**
+     * Test to get the getTime(int) method from the GMTTimeService
+     *
+     * @throws Exception Test failed
+     */
+    @Test
+    public void testGMTTimeServiceGetTime() throws Exception {
+        doTestGMTTimeServiceGetTime(GMTTimeService.class);
+    }
+
+    /**
+     * Test to get the getTime(int) method from the GMTTimeService interface from
+     * the specified class
+     *
+    * @param timeServiceClass The class that implements the WorldTimeService
+     * @throws Exception Test failed
+     */
+    private void doTestGMTTimeServiceGetTime(Class<?> timeServiceClass) throws Exception {
+        // Add a getTime(String) method
+        Operation operation = newOperation("getTime", GMTTimeService.class, Integer.TYPE);
+
+        Method method = JavaInterfaceUtil.findMethod(timeServiceClass, operation);
+        assertEquals("getTime", method.getName());
+        assertEquals(1, method.getParameterTypes().length);
+        assertEquals(Integer.TYPE, method.getParameterTypes()[0]);
+    }
+
+    /**
+     * Test to get the getTime() method from the LocalTimeService on the
+     * TimeServiceImpl class
+     *
+     * @throws Exception Test failed
+     */
+    @Test
+    public void testLocalTimeServiceGetTimeFromTimeServiceImpl() throws Exception {
+        doTestLocalTimeServiceGetTime(TimeServiceImpl.class);
+    }
+
+    /**
+     * Test to get the getTime(String) method from the WorldTimeService on the
+     * TimeServiceImpl class
+     *
+     * @throws Exception Test failed
+     */
+    @Test
+    public void testWorldTimeServiceGetTimeFromTimeServiceImpl() throws Exception {
+        doTestWorldTimeServiceGetTime(TimeServiceImpl.class);
+    }
+
+    /**
+     * Test to get the getTime(int) method from the GMTTimeService
+     *
+     * @throws Exception Test failed
+     */
+    @Test
+    public void testGMTTimeServiceGetTimeFromTimeServiceImpl() throws Exception {
+        doTestGMTTimeServiceGetTime(TimeServiceImpl.class);
+    }
+
+    /**
+     * Test case that validates that a @Remotable interface with Overloaded operations
+     * is detected.
+     * 
+     * This test case is for TUSCANY-2194
+     */
+    @Test
+    public void testDuplicateOpeartionOnRemotableInterface()
+    {
+        ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
+        JavaInterfaceFactory javaFactory = new DefaultJavaInterfaceFactory(registry);
+        JavaInterfaceIntrospectorImpl introspector = new JavaInterfaceIntrospectorImpl(javaFactory);
+        JavaInterfaceImpl javaInterface = new JavaInterfaceImpl();
+
+        try {
+            introspector.introspectInterface(javaInterface, DuplicateMethodOnRemotableInterface.class);
+            Assert.fail("Should have thrown an exception as @Remotable interface has overloaded methods");
+        } catch (OverloadedOperationException ex) {
+            // As expected
+            // Make sure that the class and method names are in the exception
+            String exMsg = ex.toString();
+            Assert.assertTrue("Method name missing from exception", exMsg.indexOf("aDuplicateMethod") != -1);
+            Assert.assertTrue("Class name missing from exception", 
+                exMsg.indexOf(DuplicateMethodOnRemotableInterface.class.getName()) != -1);
+        } catch (InvalidInterfaceException ex) {
+            // Should have thrown OverloadedOperationException
+            Assert.fail("Should have thrown an OverloadedOperationException but threw " + ex);
+        }
+    }
+
+    /**
+     * Creates a new operation with the specified name and parameter types
+     *
+     * @param name The name of the operation
+     * @param operationInterface The interface to which the operation belongs
+     * @param parameterTypes The types of the parameters for this operation
+     * @return An operation with the specified name and parameter types
+     */
+    private static Operation newOperation(String name, Class<?> operationInterface, Class<?>... parameterTypes) {
+        // Create and set the operation name
+        Operation operation = new OperationImpl();
+        operation.setName(name);
+
+        // Make the operation remotable
+        Interface iface = new InterfaceImpl();
+        iface.setRemotable(true);
+        operation.setInterface(iface);
+
+        // Construct the parameters
+        List<DataType> types = new ArrayList<DataType>();
+        DataType<List<DataType>> inputType = new DataTypeImpl<List<DataType>>(Object[].class, types);
+        for (Class<?> parameterType : parameterTypes) {
+            DataType type = new DataTypeImpl<Class>(parameterType, Object.class);
+            types.add(type);
+        }
+        operation.setInputType(inputType);
+
+        // Return the created operation
+        return operation;
+    }
+    
+    /**
+     * Sample @Remotable interface that has an overloaded operation which is not 
+     * allowed according to the SCA Assembly Specification.
+     */
+    @Remotable
+    private interface DuplicateMethodOnRemotableInterface {
+        void aNonDuplicateMethod();
+        void aDuplicateMethod();
+        void aDuplicateMethod(String aParam);
+    }
+
+
+    /**
+     * Sample interface needed for the unit tests
+     */
+    @Remotable
+    private interface LocalTimeService {
+
+        /**
+         * Gets the local time
+         *
+         * @return The Local Time
+         */
+        String getTime();
+    }
+
+    /**
+     * Sample interface needed for the unit tests
+     */
+    @Remotable
+    private interface WorldTimeService {
+
+        /**
+         * Gets the time in the specified TimeZone
+         *
+         * @param timeZone A Time Zone
+         *
+         * @return The time in the specified TimeZone
+         */
+        String getTime(String timeZone);
+    }
+
+    /**
+     * Sample interface needed for the unit tests
+     */
+    @Remotable
+    private interface GMTTimeService {
+
+        /**
+         * Gets the time with the specified GMT offset
+         *
+         * @param gmtOffset A GMT offset in hours
+         *
+         * @return The time with the specified GMT offset
+         */
+        String getTime(int gmtOffset);
+    }
+
+    /**
+     * Sample implementation class that implements the three @Remotable interfaces
+     */
+    private class TimeServiceImpl implements LocalTimeService, WorldTimeService, GMTTimeService {
+        /**
+         * Gets the local time
+         *
+         * @return The Local Time
+         */
+        public String getTime() {
+            return "The current local time";
+        }
+
+        /**
+         * Gets the time in the specified TimeZone
+         *
+         * @param timeZone A Time Zone
+         *
+         * @return The time in the specified TimeZone
+         */
+        public String getTime(String timeZone) {
+            return "The current time in TimeZone " + timeZone;
+        }
+
+        /**
+         * Gets the time with the specified GMT offset
+         *
+         * @param gmtOffset A GMT offset in hours
+         *
+         * @return The time with the specified GMT offset
+         */
+        public String getTime(int gmtOffset) {
+            return "The current time with GMT offset of " + gmtOffset;
+        }
+    }
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceUtilTestCase.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceUtilTestCase.java
new file mode 100644
index 0000000000..86a38fa0c4
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceUtilTestCase.java
@@ -0,0 +1,123 @@
+/*
+ * 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.impl;
+
+import static org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceUtil.findOperation;
+import static org.junit.Assert.assertEquals;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+import org.apache.tuscany.sca.interfacedef.impl.OperationImpl;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JavaInterfaceUtilTestCase {
+    private List<Operation> operations;
+
+    @Test
+    public void testNoParamsFindOperation() throws Exception {
+        Method method = Foo.class.getMethod("foo");
+        Operation ret = findOperation(method, operations);
+        assertEquals("foo", ret.getName());
+        assertEquals(0, method.getParameterTypes().length);
+    }
+
+    @Test
+    public void testParamsFindOperation() throws Exception {
+        Method method = Foo.class.getMethod("foo", String.class);
+        Operation ret = findOperation(method, operations);
+        assertEquals("foo", ret.getName());
+        assertEquals(String.class, method.getParameterTypes()[0]);
+    }
+
+    @Test
+    public void testPrimitiveParamFindOperation() throws NoSuchMethodException {
+        Method method = Foo.class.getMethod("foo", Integer.TYPE);
+        Operation operation = findOperation(method, operations);
+        assertEquals(Integer.TYPE, operation.getInputType().getLogical().get(0).getPhysical());
+    }
+
+    @Before
+    public void setUp() throws Exception {
+        Operation operation = newOperation("foo");
+        List<DataType> types = new ArrayList<DataType>();
+        DataType<List<DataType>> inputType = new DataTypeImpl<List<DataType>>(Object[].class, types);
+        operation.setInputType(inputType);
+
+        operations = new ArrayList<Operation>();
+        operations.add(operation);
+
+        types = new ArrayList<DataType>();
+        inputType = new DataTypeImpl<List<DataType>>(Object[].class, types);
+        DataType type = new DataTypeImpl<Class>(String.class, Object.class);
+        types.add(type);
+        operation = newOperation("foo");
+        operation.setInputType(inputType);
+        operations.add(operation);
+
+        types = new ArrayList<DataType>();
+        type = new DataTypeImpl<Class>(String.class, Object.class);
+        DataType type2 = new DataTypeImpl<Class>(String.class, Object.class);
+        types.add(type);
+        types.add(type2);
+        inputType = new DataTypeImpl<List<DataType>>(Object[].class, types);
+        operation = newOperation("foo");
+        operation.setInputType(inputType);
+        operations.add(operation);
+
+        types = new ArrayList<DataType>();
+        type = new DataTypeImpl<Class>(Integer.class, Object.class);
+        types.add(type);
+        inputType = new DataTypeImpl<List<DataType>>(Object[].class, types);
+        operation = newOperation("foo");
+        operation.setInputType(inputType);
+        operations.add(operation);
+
+        types = new ArrayList<DataType>();
+        type = new DataTypeImpl<Class>(Integer.TYPE, Object.class);
+        types.add(type);
+        inputType = new DataTypeImpl<List<DataType>>(Object[].class, types);
+        operation = newOperation("foo");
+        operation.setInputType(inputType);
+        operations.add(operation);
+
+    }
+
+    private interface Foo {
+        void foo();
+
+        void foo(String foo);
+
+        void foo(int b);
+    }
+
+    private static Operation newOperation(String name) {
+        Operation operation = new OperationImpl();
+        operation.setName(name);
+        return operation;
+    }
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/introspection/impl/JavaInterfaceProcessorRegistryImplTestCase.java.fixme b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/introspection/impl/JavaInterfaceProcessorRegistryImplTestCase.java.fixme
new file mode 100644
index 0000000000..14ac8b0134
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/introspection/impl/JavaInterfaceProcessorRegistryImplTestCase.java.fixme
@@ -0,0 +1,107 @@
+/*
+ * 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.util.List;
+
+import javax.xml.namespace.QName;
+
+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.JavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+import org.easymock.EasyMock;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JavaInterfaceProcessorRegistryImplTestCase extends TestCase {
+    private JavaInterfaceFactory factory;
+
+    @SuppressWarnings("unchecked")
+    public void testSimpleInterface() throws InvalidInterfaceException {
+        JavaInterface intf = factory.createJavaInterface(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());
+
+        QName element = new QName("http://impl.introspection.java.interfacedef.sca.tuscany.apache.org/", "return");
+
+        DataType<XMLType> returnType = baseInt.getOutputType();
+        assertEquals(Integer.TYPE, returnType.getPhysical());
+        assertEquals(element, returnType.getLogical().getElementName());
+
+        List<DataType> parameterTypes = baseInt.getInputType().getLogical();
+        assertEquals(1, parameterTypes.size());
+        DataType<XMLType> arg0 = parameterTypes.get(0);
+        assertEquals(Integer.TYPE, arg0.getPhysical());
+        
+        element = new QName("http://impl.introspection.java.interfacedef.sca.tuscany.apache.org/", "arg0");
+        assertEquals(element, arg0.getLogical().getElementName());
+
+        List<DataType> faultTypes = baseInt.getFaultTypes();
+        assertEquals(1, faultTypes.size());
+        DataType<DataType<XMLType>> fault0 = faultTypes.get(0);
+        assertEquals(IOException.class, fault0.getPhysical());
+        element = new QName("http://impl.introspection.java.interfacedef.sca.tuscany.apache.org/", "IOException");
+        assertEquals(element, fault0.getLogical().getLogical().getElementName());
+    }
+
+    public void testUnregister() throws Exception {
+        JavaInterfaceVisitor extension = createMock(JavaInterfaceVisitor.class);
+        extension.visitInterface(EasyMock.isA(JavaInterface.class));
+        expectLastCall().once();
+        replay(extension);
+        factory.addInterfaceVisitor(extension);
+        factory.createJavaInterface(Base.class);
+        factory.removeInterfaceVisitor(extension);
+        factory.createJavaInterface(Base.class);
+        verify(extension);
+    }
+    
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        factory = new DefaultJavaInterfaceFactory();
+
+    }
+
+    private static interface Base {
+        int baseInt(int param) throws IllegalArgumentException, IOException;
+    }
+
+    private static interface Simple extends Base {
+
+    }
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/introspection/impl/PolicyProcessorTestCase.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/introspection/impl/PolicyProcessorTestCase.java
new file mode 100644
index 0000000000..88ef90edbe
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/introspection/impl/PolicyProcessorTestCase.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.interfacedef.java.introspection.impl;
+
+import static org.junit.Assert.assertEquals;
+
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.interfacedef.java.DefaultJavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.junit.Before;
+import org.junit.Test;
+import org.oasisopen.sca.annotation.Authentication;
+import org.oasisopen.sca.annotation.Confidentiality;
+import org.oasisopen.sca.annotation.PolicySets;
+import org.oasisopen.sca.annotation.Requires;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class PolicyProcessorTestCase {
+    private JavaInterfaceFactory factory;
+    // private PolicyJavaInterfaceVisitor policyProcessor;
+
+    @Test
+    public void testInterfaceLevel() throws Exception {
+        JavaInterface type = factory.createJavaInterface(Interface1.class);
+        // policyProcessor.visitInterface(type);
+        assertEquals(2, type.getRequiredIntents().size());
+        assertEquals(1, type.getPolicySets().size());
+    }
+
+    @Test
+    public void testMethodLevel() throws Exception {
+        JavaInterface type = factory.createJavaInterface(Interface2.class);
+        // policyProcessor.visitInterface(type);
+        assertEquals(0, type.getRequiredIntents().size());
+        assertEquals(3, type.getOperations().get(0).getRequiredIntents().size());
+        assertEquals(1, type.getOperations().get(1).getRequiredIntents().size());
+        assertEquals(0, type.getPolicySets().size());
+        assertEquals(1, type.getOperations().get(0).getPolicySets().size());
+        assertEquals(1, type.getOperations().get(1).getPolicySets().size());
+    }
+
+    @Test
+    public void testInterfaceAndMethodLevel() throws Exception {
+        JavaInterface type = factory.createJavaInterface(Interface3.class);
+        // policyProcessor.visitInterface(type);
+        assertEquals(2, type.getRequiredIntents().size());
+        assertEquals(1, type.getOperations().get(0).getRequiredIntents().size());
+        assertEquals(1, type.getOperations().get(1).getRequiredIntents().size());
+        assertEquals(1, type.getPolicySets().size());
+        assertEquals(1, type.getOperations().get(0).getPolicySets().size());
+        assertEquals(1, type.getOperations().get(1).getPolicySets().size());
+    }
+
+    @Before
+    public void setUp() throws Exception {
+        ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
+        factory = new DefaultJavaInterfaceFactory(registry);
+        // policyProcessor = new PolicyJavaInterfaceVisitor(registry);
+    }
+
+    // @Remotable
+    @Requires( {"transaction.global"})
+    @PolicySets( {"{http://ns1}PS1"})
+    @Authentication
+    private interface Interface1 {
+        int method1();
+
+        int method2();
+
+        int method3();
+
+        int method4();
+    }
+
+    private interface Interface2 {
+        @Requires( {"transaction.global"})
+        @Confidentiality({"message", "transport"})
+        @PolicySets( {"{http://ns1}PS1"})
+        int method1();
+
+        @Requires( {"transaction.local"})
+        @PolicySets( {"{http://ns1}PS2"})
+        int method2();
+    }
+
+    @Requires( {"transaction.global.Interface6"})
+    @PolicySets( {"{http://ns1}PS1"})
+    @Authentication
+    private interface Interface3 {
+        @Requires( {"transaction.global.Interface6.method1"})
+        @PolicySets( {"{http://ns1}PS2"})
+        int method1();
+
+        @Requires( {"transaction.local.Interface6.method2"})
+        @PolicySets( {"{http://ns1}PS3"})
+        int method2();
+    }
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/ReadTestCase.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/ReadTestCase.java
new file mode 100644
index 0000000000..7cacf06abd
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/ReadTestCase.java
@@ -0,0 +1,81 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.interfacedef.java.xml;
+
+import static org.junit.Assert.assertNotNull;
+
+import java.io.InputStream;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.contribution.processor.DefaultStAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.junit.BeforeClass;
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ * Test reading Java interfaces.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ReadTestCase {
+
+    private static XMLInputFactory inputFactory;
+    private static XMLOutputFactory outputFactory;
+    private static StAXArtifactProcessor<Object> staxProcessor;
+    private static ProcessorContext context;
+
+    @BeforeClass
+    public static void setUp() throws Exception {
+        DefaultExtensionPointRegistry extensionPoints = new DefaultExtensionPointRegistry();
+        context = new ProcessorContext(extensionPoints);
+        inputFactory = XMLInputFactory.newInstance();
+        outputFactory = XMLOutputFactory.newInstance();
+        StAXArtifactProcessorExtensionPoint staxProcessors = new DefaultStAXArtifactProcessorExtensionPoint(extensionPoints);
+        staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, inputFactory, outputFactory);
+    }
+
+    @Test
+    public void testReadComponentType() throws Exception {
+        InputStream is = getClass().getResourceAsStream("CalculatorImpl.componentType");
+        XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
+        ComponentType componentType = (ComponentType)staxProcessor.read(reader, context);
+        assertNotNull(componentType);
+    }
+
+    @Test
+    @Ignore
+    public void testReadComposite() throws Exception {
+        InputStream is = getClass().getResourceAsStream("Calculator.composite");
+        XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
+        Composite composite = (Composite)staxProcessor.read(reader, context);
+        assertNotNull(composite);
+    }
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/WriteTestCase.java b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/WriteTestCase.java
new file mode 100644
index 0000000000..615fb15fc6
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/WriteTestCase.java
@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.interfacedef.java.xml;
+
+import static org.junit.Assert.assertNotNull;
+
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.contribution.processor.DefaultStAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ * Test writing Java interfaces.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class WriteTestCase {
+    private static XMLInputFactory inputFactory;
+    private static XMLOutputFactory outputFactory;
+    private static StAXArtifactProcessor<Object> staxProcessor;
+    private static ProcessorContext context;
+
+    @BeforeClass
+    public static void setUp() throws Exception {
+        DefaultExtensionPointRegistry extensionPoints = new DefaultExtensionPointRegistry();
+        context = new ProcessorContext(extensionPoints);
+        inputFactory = XMLInputFactory.newInstance();
+        outputFactory = XMLOutputFactory.newInstance();
+        StAXArtifactProcessorExtensionPoint staxProcessors = new DefaultStAXArtifactProcessorExtensionPoint(extensionPoints);
+        staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, inputFactory, outputFactory);
+    }
+
+    @Test
+    public void testReadWriteComponentType() throws Exception {
+        InputStream is = getClass().getResourceAsStream("CalculatorImpl.componentType");
+        ComponentType componentType = (ComponentType)staxProcessor.read(inputFactory.createXMLStreamReader(is), context);
+        assertNotNull(componentType);
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        staxProcessor.write(componentType, outputFactory.createXMLStreamWriter(bos), context);
+    }
+
+    @Test
+    public void testReadWriteComposite() throws Exception {
+        InputStream is = getClass().getResourceAsStream("Calculator.composite");
+        Composite composite = (Composite)staxProcessor.read(inputFactory.createXMLStreamReader(is), context);
+        assertNotNull(composite);
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        staxProcessor.write(composite, outputFactory.createXMLStreamWriter(bos), context);
+    }
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/Calculator.composite b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/Calculator.composite
new file mode 100644
index 0000000000..ffc38c7f04
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/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://docs.oasis-open.org/ns/opencsa/sca/200903"
+	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/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorImpl.componentType b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorImpl.componentType
new file mode 100644
index 0000000000..bf58f29447
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M4/modules/interface-java/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://docs.oasis-open.org/ns/opencsa/sca/200903">
+
+  <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