Copy modules for event prototype

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@705212 13f79535-47bb-0310-9956-ffa450edef68

9 files changed, 572 insertions, 0 deletions

diff --git a/sandbox/event/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaConstants.java b/sandbox/event/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaConstants.java
new file mode 100644
index 0000000000..5d2d8ed51c
--- /dev/null
+++ b/sandbox/event/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaConstants.java
@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.interfacedef.java.xml;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.xml.Constants;
+
+/**
+ * Interface Java XML Constants.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface JavaConstants {
+
+    String INTERFACE_JAVA = "interface.java";
+    QName INTERFACE_JAVA_QNAME = new QName(Constants.SCA10_NS, "interface.java");
+    String INTERFACE = "interface";
+    String CALLBACK_INTERFACE = "callbackInterface";
+    
+}
diff --git a/sandbox/event/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaInterfaceProcessor.java b/sandbox/event/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaInterfaceProcessor.java
new file mode 100644
index 0000000000..ae5bf4c56d
--- /dev/null
+++ b/sandbox/event/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaInterfaceProcessor.java
@@ -0,0 +1,193 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.interfacedef.java.xml;
+
+import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.assembly.builder.impl.ProblemImpl;
+import org.apache.tuscany.sca.assembly.xml.Constants;
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ClassReference;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.service.ContributionReadException;
+import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.service.ContributionWriteException;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class JavaInterfaceProcessor implements StAXArtifactProcessor<JavaInterfaceContract>, JavaConstants {
+
+    private JavaInterfaceFactory javaFactory;
+    private Monitor monitor;
+
+    public JavaInterfaceProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) {
+        this.javaFactory = modelFactories.getFactory(JavaInterfaceFactory.class);
+        this.monitor = monitor;
+    }
+    
+    /**
+     * Report a exception.
+     * 
+     * @param problems
+     * @param message
+     * @param model
+     */
+    private void error(String message, Object model, Exception ex) {
+    	 if (monitor != null) {
+    		 Problem problem = new ProblemImpl(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(String message, Object model, Object... messageParameters) {
+     	 if (monitor != null) {
+     		 Problem problem = new ProblemImpl(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) 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);
+        }
+
+        // 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) throws ContributionWriteException, XMLStreamException {
+        
+        // Write an <interface.java>
+        writer.writeStartElement(Constants.SCA10_NS, INTERFACE_JAVA);
+        JavaInterface javaInterface = (JavaInterface)javaInterfaceContract.getInterface();
+        
+        if (javaInterface != null && javaInterface.getName() != null) {
+            writer.writeAttribute(INTERFACE, javaInterface.getName());
+        }
+        
+        JavaInterface javaCallbackInterface = (JavaInterface)javaInterfaceContract.getCallbackInterface();
+        if (javaCallbackInterface != null && javaCallbackInterface.getName() != null) {
+            writer.writeAttribute(CALLBACK_INTERFACE, javaCallbackInterface.getName());
+        }
+        
+        writer.writeEndElement();
+    }
+    
+    private JavaInterface resolveJavaInterface(JavaInterface javaInterface, ModelResolver resolver) throws ContributionResolveException {
+        
+        if (javaInterface != null && javaInterface.isUnresolved()) {
+
+            // Resolve the Java interface
+            javaInterface = resolver.resolveModel(JavaInterface.class, javaInterface);
+            if (javaInterface.isUnresolved()) {
+
+                // If the Java interface has never been resolved yet, do it now
+                ClassReference classReference = new ClassReference(javaInterface.getName());
+                classReference = resolver.resolveModel(ClassReference.class, classReference);
+                Class javaClass = classReference.getJavaClass();
+                if (javaClass == null) {
+                    error("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(e);
+                	error("ContributionResolveException", javaFactory, ce);
+                    return javaInterface;
+                	//throw ce;
+                }
+
+                // Cache the resolved interface
+                javaInterface.setUnresolved(false);
+                resolver.addModel(javaInterface);
+            }
+        }
+        return javaInterface;
+    }
+    
+    public void resolve(JavaInterfaceContract javaInterfaceContract, ModelResolver resolver) throws ContributionResolveException {
+        
+        // Resolve the interface and callback interface
+        JavaInterface javaInterface = resolveJavaInterface((JavaInterface)javaInterfaceContract.getInterface(), resolver);
+        javaInterfaceContract.setInterface(javaInterface);
+        
+        JavaInterface javaCallbackInterface = resolveJavaInterface((JavaInterface)javaInterfaceContract.getCallbackInterface(), resolver);
+        javaInterfaceContract.setCallbackInterface(javaCallbackInterface);
+    }
+    
+    public QName getArtifactType() {
+        return INTERFACE_JAVA_QNAME;
+    }
+    
+    public Class<JavaInterfaceContract> getModelType() {
+        return JavaInterfaceContract.class;
+    }
+}
diff --git a/sandbox/event/modules/interface-java-xml/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/sandbox/event/modules/interface-java-xml/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
new file mode 100644
index 0000000000..b3e52e5709
--- /dev/null
+++ b/sandbox/event/modules/interface-java-xml/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
@@ -0,0 +1,19 @@
+# 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://www.osoa.org/xmlns/sca/1.0#interface.java,model=org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract
diff --git a/sandbox/event/modules/interface-java-xml/src/main/resources/interface-javaxml-validation-messages.properties b/sandbox/event/modules/interface-java-xml/src/main/resources/interface-javaxml-validation-messages.properties
new file mode 100644
index 0000000000..bc0a7192b5
--- /dev/null
+++ b/sandbox/event/modules/interface-java-xml/src/main/resources/interface-javaxml-validation-messages.properties
@@ -0,0 +1,22 @@
+#
+#
+#    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 occured due to :
diff --git a/sandbox/event/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/ReadTestCase.java b/sandbox/event/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/ReadTestCase.java
new file mode 100644
index 0000000000..313f950873
--- /dev/null
+++ b/sandbox/event/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/ReadTestCase.java
@@ -0,0 +1,100 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.interfacedef.java.xml;
+
+import java.io.InputStream;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamReader;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.ConstrainingType;
+import org.apache.tuscany.sca.assembly.SCABindingFactory;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.impl.CompositeBuilderImpl;
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.DefaultStAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.interfacedef.impl.InterfaceContractMapperImpl;
+import org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory;
+
+/**
+ * Test reading Java interfaces.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ReadTestCase extends TestCase {
+
+    private XMLInputFactory inputFactory;
+    private XMLOutputFactory outputFactory;
+    private StAXArtifactProcessor<Object> staxProcessor;
+    private CompositeBuilder compositeBuilder;
+
+    @Override
+    public void setUp() throws Exception {
+        DefaultExtensionPointRegistry extensionPoints = new DefaultExtensionPointRegistry();
+        inputFactory = XMLInputFactory.newInstance();
+        outputFactory = XMLOutputFactory.newInstance();
+        StAXArtifactProcessorExtensionPoint staxProcessors = new DefaultStAXArtifactProcessorExtensionPoint(extensionPoints);
+        staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, inputFactory, outputFactory, null);
+        
+        ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class);
+        AssemblyFactory assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
+        SCABindingFactory scaBindingFactory = modelFactories.getFactory(SCABindingFactory.class);
+        UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
+        InterfaceContractMapper mapper = utilities.getUtility(InterfaceContractMapper.class);
+        IntentAttachPointTypeFactory attachPointTypeFactory = modelFactories.getFactory(IntentAttachPointTypeFactory.class);
+        compositeBuilder = new CompositeBuilderImpl(assemblyFactory, scaBindingFactory, attachPointTypeFactory, mapper, null);
+    }
+
+    public void testReadComponentType() throws Exception {
+        InputStream is = getClass().getResourceAsStream("CalculatorImpl.componentType");
+        XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
+        ComponentType componentType = (ComponentType)staxProcessor.read(reader);
+        assertNotNull(componentType);
+    }
+
+    public void testReadConstrainingType() throws Exception {
+        InputStream is = getClass().getResourceAsStream("CalculatorComponent.constrainingType");
+        XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
+        ConstrainingType constrainingType = (ConstrainingType)staxProcessor.read(reader);
+        assertNotNull(constrainingType);
+    }
+
+    public void testReadComposite() throws Exception {
+        InputStream is = getClass().getResourceAsStream("Calculator.composite");
+        XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
+        Composite composite = (Composite)staxProcessor.read(reader);
+        assertNotNull(composite);
+
+        compositeBuilder.build(composite);
+    }
+
+}
diff --git a/sandbox/event/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/WriteTestCase.java b/sandbox/event/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/WriteTestCase.java
new file mode 100644
index 0000000000..55fc12d176
--- /dev/null
+++ b/sandbox/event/modules/interface-java-xml/src/test/java/org/apache/tuscany/sca/interfacedef/java/xml/WriteTestCase.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.xml;
+
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.ConstrainingType;
+import org.apache.tuscany.sca.contribution.processor.DefaultStAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+
+/**
+ * Test writing Java interfaces.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class WriteTestCase extends TestCase {
+
+    private XMLInputFactory inputFactory;
+    private XMLOutputFactory outputFactory;
+    private StAXArtifactProcessor<Object> staxProcessor;
+
+    @Override
+    public void setUp() throws Exception {
+        DefaultExtensionPointRegistry extensionPoints = new DefaultExtensionPointRegistry();
+        inputFactory = XMLInputFactory.newInstance();
+        outputFactory = XMLOutputFactory.newInstance();
+        StAXArtifactProcessorExtensionPoint staxProcessors = new DefaultStAXArtifactProcessorExtensionPoint(extensionPoints);
+        staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, inputFactory, outputFactory, null);
+    }
+
+    public void testReadWriteComponentType() throws Exception {
+        InputStream is = getClass().getResourceAsStream("CalculatorImpl.componentType");
+        ComponentType componentType = (ComponentType)staxProcessor.read(inputFactory.createXMLStreamReader(is));
+        assertNotNull(componentType);
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        staxProcessor.write(componentType, outputFactory.createXMLStreamWriter(bos));
+    }
+
+    public void testReadWriteConstrainingType() throws Exception {
+        InputStream is = getClass().getResourceAsStream("CalculatorComponent.constrainingType");
+        ConstrainingType constrainingType = (ConstrainingType)staxProcessor.read(inputFactory.createXMLStreamReader(is));
+        assertNotNull(constrainingType);
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        staxProcessor.write(constrainingType, outputFactory.createXMLStreamWriter(bos));
+    }
+
+    public void testReadWriteComposite() throws Exception {
+        InputStream is = getClass().getResourceAsStream("Calculator.composite");
+        Composite composite = (Composite)staxProcessor.read(inputFactory.createXMLStreamReader(is));
+        assertNotNull(composite);
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        staxProcessor.write(composite, outputFactory.createXMLStreamWriter(bos));
+    }
+
+}
diff --git a/sandbox/event/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/Calculator.composite b/sandbox/event/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/Calculator.composite
new file mode 100644
index 0000000000..3de6410596
--- /dev/null
+++ b/sandbox/event/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/Calculator.composite
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	xmlns:calc="http://sample.calculator"
+	targetNamespace="http://calc"
+	name="Calculator">
+
+    <service name="CalculatorService" promote="CalculatorServiceComponent">
+        <interface.java interface="calculator.CalculatorService"/>
+    </service>
+
+    <component name="CalculatorServiceComponent">
+		<implementation.java class="calculator.CalculatorServiceImpl"/>
+        <reference name="addService" target="AddServiceComponent"/>
+        <reference name="subtractService" target="SubtractServiceComponent"/>
+        <reference name="multiplyService" target="MultiplyServiceComponent"/>
+        <reference name="divideService" target="DivideServiceComponent"/>
+    </component>
+
+    <component name="AddServiceComponent">
+        <implementation.java class="calculator.AddServiceImpl"/>
+    </component>
+
+    <component name="SubtractServiceComponent">
+        <implementation.java class="calculator.SubtractServiceImpl"/>
+    </component>
+
+    <component name="MultiplyServiceComponent">
+        <implementation.java class="calculator.MultiplyServiceImpl"/>
+    </component>
+
+    <component name="DivideServiceComponent">
+        <implementation.java class="calculator.DivideServiceImpl"/>
+    </component>
+
+</composite>
diff --git a/sandbox/event/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorComponent.constrainingType b/sandbox/event/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorComponent.constrainingType
new file mode 100644
index 0000000000..dca38c9224
--- /dev/null
+++ b/sandbox/event/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorComponent.constrainingType
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="ASCII"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+-->
+<constrainingType xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	xmlns:calc="http://calc"
+    targetNamespace="http://calc"
+	name="CalculatorComponent">
+
+  <service name="CalculatorService">
+        <interface.java interface="calculator.CalculatorService" />
+  </service>
+
+  <reference name="divideService">
+        <interface.java interface="calculator.DivideService" />
+  </reference>  
+
+</constrainingType>              
+       
\ No newline at end of file
diff --git a/sandbox/event/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorImpl.componentType b/sandbox/event/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorImpl.componentType
new file mode 100644
index 0000000000..23ebf576e5
--- /dev/null
+++ b/sandbox/event/modules/interface-java-xml/src/test/resources/org/apache/tuscany/sca/interfacedef/java/xml/CalculatorImpl.componentType
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="ASCII"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+-->
+<componentType xmlns="http://www.osoa.org/xmlns/sca/1.0">
+
+  <service name="CalculatorService">
+        <interface.java interface="calculator.CalculatorService" />
+  </service>
+
+  <reference name="divideService">
+        <interface.java interface="calculator.DivideService" />
+  </reference>  
+
+</componentType>              
+       
\ No newline at end of file