Sample implementation extension that shows how to support both Java and WSDL interfaces and different data bindings.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@990608 13f79535-47bb-0310-9956-ffa450edef68

13 files changed, 736 insertions, 0 deletions

diff --git a/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/Client.java b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/Client.java
new file mode 100644
index 0000000000..4c473c987f
--- /dev/null
+++ b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/Client.java
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package sample;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+@Remotable
+public interface Client {
+
+    String jello(String s);
+
+    String wello(String s);
+}
diff --git a/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/ClientTest.java b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/ClientTest.java
new file mode 100644
index 0000000000..46350e26d6
--- /dev/null
+++ b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/ClientTest.java
@@ -0,0 +1,59 @@
+/*
+ * 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 sample;
+
+import static java.lang.System.out;
+import static sample.Xutil.dom;
+import static sample.Xutil.elem;
+import static sample.Xutil.text;
+import static sample.Xutil.xpath;
+
+import org.w3c.dom.Element;
+
+import sample.api.Java;
+import sample.api.WSDL;
+import sample.api.WSDLReference;
+
+/**
+ * Sample component implementation.
+ * 
+ * @version $Rev$ $Date$
+ */
+@Java(Client.class)
+public class ClientTest {
+
+    @Java(Hello.class)
+    Hello jello;
+
+    @WSDL("http://sample#Hello")
+    WSDLReference wello;
+
+    public String jello(String s) {
+        out.println("ClientTest.jello(" + s + ")");
+        return jello.hello(s);
+    }
+
+    public String wello(String s) {
+        out.println("ClientTest.wello(" + s + ")");
+        final Element hreq = dom("http://sample", "hello", elem("name", text(s)));
+        final Element hres = wello.call("hello", hreq);
+        return xpath("//*", hres);
+    }
+}
diff --git a/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/Hello.java b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/Hello.java
new file mode 100644
index 0000000000..f6e02591e5
--- /dev/null
+++ b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/Hello.java
@@ -0,0 +1,28 @@
+/*
+ * 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 sample;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+@Remotable
+public interface Hello {
+
+    String hello(String s);
+}
diff --git a/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/JelloTest.java b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/JelloTest.java
new file mode 100644
index 0000000000..53ed006132
--- /dev/null
+++ b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/JelloTest.java
@@ -0,0 +1,40 @@
+/*
+ * 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 sample;
+
+import static java.lang.System.out;
+import sample.api.Java;
+
+/**
+ * Sample component implementation.
+ * 
+ * @version $Rev$ $Date$
+ */
+@Java(Hello.class)
+public class JelloTest {
+
+    @Java(Upper.class)
+    Upper upper;
+
+    public String hello(String s) {
+        out.println("JelloTest.hello(" + s + ")");
+        return upper.upper("Hello " + s);
+    }
+}
diff --git a/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/Upper.java b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/Upper.java
new file mode 100644
index 0000000000..04e929ade7
--- /dev/null
+++ b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/Upper.java
@@ -0,0 +1,28 @@
+/*
+ * 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 sample;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+@Remotable
+public interface Upper {
+
+    String upper(String s);
+}
diff --git a/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/UpperTest.java b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/UpperTest.java
new file mode 100644
index 0000000000..fe90097efa
--- /dev/null
+++ b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/UpperTest.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 sample;
+
+import static java.lang.System.out;
+import sample.api.Java;
+
+/**
+ * Sample component implementation.
+ * 
+ * @version $Rev$ $Date$
+ */
+@Java(Upper.class)
+public class UpperTest {
+
+    public String upper(String s) {
+        out.println("UpperTest.upper(" + s + ")");
+        return s.toUpperCase();
+    }
+}
diff --git a/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/WelloTest.java b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/WelloTest.java
new file mode 100644
index 0000000000..2f647d1a8f
--- /dev/null
+++ b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/WelloTest.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package sample;
+
+import static java.lang.System.out;
+import static sample.Xutil.dom;
+import static sample.Xutil.elem;
+import static sample.Xutil.text;
+import static sample.Xutil.xpath;
+
+import org.w3c.dom.Element;
+
+import sample.api.WSDL;
+import sample.api.WSDLReference;
+
+/**
+ * Sample component implementation.
+ * 
+ * @version $Rev$ $Date$
+ */
+@WSDL("http://sample#Hello")
+public class WelloTest {
+
+    @WSDL("http://sample#Upper")
+    WSDLReference upper;
+
+    public Element call(String op, Element e) {
+        out.println("WelloTest." + op + "(" + Xutil.xml(e) + ")");
+        final Element ureq = dom("http://sample", "upper", elem("s", text("Hello " + xpath("//name", e))));
+        final Element ures = upper.call("upper", ureq);
+        return dom("http://sample", "helloResponse", elem("result", text(xpath("//*", ures))));
+    }
+}
diff --git a/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/Xutil.java b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/Xutil.java
new file mode 100644
index 0000000000..91af7c47e9
--- /dev/null
+++ b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/Xutil.java
@@ -0,0 +1,142 @@
+/*
+ * 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 sample;
+
+import java.io.StringWriter;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+
+/**
+ * A little bit of magic code and utility functions to help work with DOM.
+ */
+class Xutil {
+    static class NodeBuilder {
+        String ns;
+        String name;
+        NodeBuilder[] children;
+        String text;
+    }
+
+    /**
+     * Convert a name and a list of children to a document element.
+     */
+    static Element dom(String ns, String name, final NodeBuilder... nodes) {
+        return (Element)node(elem(ns, name, nodes), db.newDocument());
+    }
+
+    /**
+     * Convert a name and children to an element.
+     */
+    static NodeBuilder elem(final String uri, final String n, final NodeBuilder... nodes) {
+        return new NodeBuilder() {
+            {
+                this.ns = uri;
+                this.name = n;
+                this.children = nodes;
+            }
+        };
+    }
+
+    static NodeBuilder elem(final String n, final NodeBuilder... nodes) {
+        return new NodeBuilder() {
+            {
+                this.name = n;
+                this.children = nodes;
+            }
+        };
+    }
+
+    /**
+     * Convert a string to a text element.
+     */
+    static NodeBuilder text(final String t) {
+        return new NodeBuilder() {
+            {
+                this.text = t;
+            }
+        };
+    }
+
+    private final static DocumentBuilder db = db();
+
+    private static DocumentBuilder db() {
+        try {
+            return DocumentBuilderFactory.newInstance().newDocumentBuilder();
+        } catch(ParserConfigurationException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private static Element link(final Element e, final Document doc, final NodeBuilder... nodes) {
+        for(final NodeBuilder c: nodes)
+            e.appendChild(node(c, doc));
+        return e;
+    }
+
+    private static Node node(NodeBuilder node, Document doc) {
+        if(node.text != null)
+            return doc.createTextNode(node.text);
+        return link(doc.createElementNS(node.ns, node.name), doc, node.children);
+    }
+
+    /**
+     * Convert an element to XML.
+     */
+    static TransformerFactory trf = TransformerFactory.newInstance();
+
+    static String xml(final Node node) {
+        try {
+            final StreamResult r = new StreamResult(new StringWriter());
+            trf.newTransformer().transform(new DOMSource(node), r);
+            return r.getWriter().toString();
+        } catch(TransformerException e) {
+            throw new RuntimeException(e);
+        }
+    }
+    
+    /**
+     * Evaluate an xpath expression.
+     */
+    private static XPathFactory xpf = XPathFactory.newInstance();
+
+    static String xpath(final String expr, final Node node) {
+        final XPath xp = xpf.newXPath();
+        try {
+            return (String)xp.evaluate(expr, node, XPathConstants.STRING);
+        } catch(XPathExpressionException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+}
diff --git a/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/impl/ReadWriteTestCase.java b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/impl/ReadWriteTestCase.java
new file mode 100644
index 0000000000..8d01c82edf
--- /dev/null
+++ b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/impl/ReadWriteTestCase.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 sample.impl;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.DefaultContributionFactory;
+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 reading/writing Sample implementations.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ReadWriteTestCase {
+    static XMLInputFactory xif;
+    static XMLOutputFactory xof;
+    static StAXArtifactProcessor<Object> xproc;
+    static ProcessorContext ctx;
+
+    @BeforeClass
+    public static void setUp() throws Exception {
+        final DefaultExtensionPointRegistry ep = new DefaultExtensionPointRegistry();
+        final Contribution contrib = new DefaultContributionFactory().createContribution();
+        contrib.setLocation(ReadWriteTestCase.class.getProtectionDomain().getCodeSource().getLocation().toString());
+        ctx = new ProcessorContext(contrib, null);
+        xif = XMLInputFactory.newInstance();
+        xof = XMLOutputFactory.newInstance();
+        final StAXArtifactProcessorExtensionPoint xpep = new DefaultStAXArtifactProcessorExtensionPoint(ep);
+        xproc = new ExtensibleStAXArtifactProcessor(xpep, xif, xof);
+    }
+
+    @Test
+    public void testRead() throws Exception {
+        final InputStream is = getClass().getClassLoader().getResourceAsStream("test.composite");
+        final Composite c = (Composite)xproc.read(xif.createXMLStreamReader(is), ctx);
+        assertNotNull(c);
+        assertEquals("sample.ClientTest", ((SampleImplementation)c.getComponents().get(0).getImplementation()).name);
+    }
+
+    @Test
+    public void testReadWrite() throws Exception {
+        final InputStream is = getClass().getClassLoader().getResourceAsStream("test.composite");
+        final Composite c = (Composite)xproc.read(xif.createXMLStreamReader(is), ctx);
+        final ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        xproc.write(c, xof.createXMLStreamWriter(bos), ctx);
+        assertTrue(bos.toString().contains("class=\"sample.WelloTest\""));
+    }
+}
diff --git a/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/impl/RunTestCase.java b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/impl/RunTestCase.java
new file mode 100644
index 0000000000..26cbd5d3e4
--- /dev/null
+++ b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/java/sample/impl/RunTestCase.java
@@ -0,0 +1,70 @@
+/*
+ * 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 sample.impl;
+
+import static java.lang.System.out;
+
+import org.apache.tuscany.sca.node.Contribution;
+import org.apache.tuscany.sca.node.Node;
+import org.apache.tuscany.sca.node.NodeFactory;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import sample.Client;
+
+/**
+ * Test run.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class RunTestCase {
+    static Node node;
+
+    @BeforeClass
+    public static void setUp() throws Exception {
+        final NodeFactory nf = NodeFactory.newInstance();
+        final String here = RunTestCase.class.getProtectionDomain().getCodeSource().getLocation().toString();
+        node = nf.createNode(new Contribution("test", here));
+        node.start();
+    }
+
+    @AfterClass
+    public static void tearDown() throws Exception {
+        node.stop();
+    }
+
+    Client client() {
+        return node.getService(Client.class, "client-test/Client");
+    }
+
+    @Test
+    public void jello() {
+        out.println("RunTestCase.jello");
+        out.println(client().jello("Java"));
+    }
+
+    @Test
+    public void wello() {
+        out.println("RunTestCase.wello");
+        out.println(client().wello("WSDL"));
+    }
+
+}
diff --git a/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/resources/Hello.wsdl b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/resources/Hello.wsdl
new file mode 100644
index 0000000000..561e560e7a
--- /dev/null
+++ b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/resources/Hello.wsdl
@@ -0,0 +1,62 @@
+<?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.    
+-->
+<wsdl:definitions targetNamespace="http://sample" xmlns:tns="http://sample"
+    xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
+    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+	name="Hello">
+
+    <wsdl:types>
+        <schema elementFormDefault="qualified" targetNamespace="http://sample"
+            xmlns="http://www.w3.org/2001/XMLSchema">
+            <element name="hello">
+                <complexType>
+                    <sequence>
+                        <element name="name" type="xsd:string" />
+                    </sequence>
+                </complexType>
+            </element>
+
+            <element name="helloResponse">
+                <complexType>
+                    <sequence>
+                        <element name="result" type="xsd:string" />
+                    </sequence>
+                </complexType>
+            </element>
+
+        </schema>
+    </wsdl:types>
+
+    <wsdl:message name="helloRequest">
+        <wsdl:part element="tns:hello" name="parameters" />
+    </wsdl:message>
+
+    <wsdl:message name="helloResponse">
+        <wsdl:part element="tns:helloResponse" name="parameters" />
+    </wsdl:message>
+
+    <wsdl:portType name="Hello">
+        <wsdl:operation name="hello">
+            <wsdl:input message="tns:helloRequest" name="helloRequest" />
+            <wsdl:output message="tns:helloResponse" name="helloResponse" />
+        </wsdl:operation>
+    </wsdl:portType>
+
+</wsdl:definitions>
diff --git a/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/resources/Upper.wsdl b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/resources/Upper.wsdl
new file mode 100644
index 0000000000..60eaec9f27
--- /dev/null
+++ b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/resources/Upper.wsdl
@@ -0,0 +1,62 @@
+<?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.    
+-->
+<wsdl:definitions targetNamespace="http://sample" xmlns:tns="http://sample"
+    xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
+    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+	name="Upper">
+
+    <wsdl:types>
+        <schema elementFormDefault="qualified" targetNamespace="http://sample"
+            xmlns="http://www.w3.org/2001/XMLSchema">
+            <element name="upper">
+                <complexType>
+                    <sequence>
+                        <element name="s" type="xsd:string" />
+                    </sequence>
+                </complexType>
+            </element>
+
+            <element name="upperResponse">
+                <complexType>
+                    <sequence>
+                        <element name="result" type="xsd:string" />
+                    </sequence>
+                </complexType>
+            </element>
+
+        </schema>
+    </wsdl:types>
+
+    <wsdl:message name="upperRequest">
+        <wsdl:part element="tns:upper" name="parameters" />
+    </wsdl:message>
+
+    <wsdl:message name="upperResponse">
+        <wsdl:part element="tns:upperResponse" name="parameters" />
+    </wsdl:message>
+
+    <wsdl:portType name="Upper">
+        <wsdl:operation name="upper">
+            <wsdl:input message="tns:upperRequest" name="upperRequest" />
+            <wsdl:output message="tns:upperResponse" name="upperResponse" />
+        </wsdl:operation>
+    </wsdl:portType>
+
+</wsdl:definitions>
diff --git a/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/resources/test.composite b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/resources/test.composite
new file mode 100644
index 0000000000..535488b74e
--- /dev/null
+++ b/sandbox/sebastien/java/extend/samples/implementation-extension/src/test/resources/test.composite
@@ -0,0 +1,45 @@
+<?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/200912"
+  xmlns:t="http://tuscany.apache.org/xmlns/sca/1.1"
+  targetNamespace="http://test"
+  name="test">
+        
+    <component name="client-test">
+        <t:implementation.sample class="sample.ClientTest"/>
+        <reference name="wello" target="wello-test"/>
+        <reference name="jello" target="jello-test"/>
+    </component>
+
+    <component name="wello-test">
+        <t:implementation.sample class="sample.WelloTest"/>
+        <reference name="upper" target="upper-test"/>
+    </component>
+
+    <component name="jello-test">
+        <t:implementation.sample class="sample.JelloTest"/>
+        <reference name="upper" target="upper-test"/>
+    </component>
+
+    <component name="upper-test">
+        <t:implementation.sample class="sample.UpperTest"/>
+    </component>     
+
+</composite>