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-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/api/Java.java34
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/api/WSDL.java34
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/api/WSDLReference.java28
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/EmbedUtil.java311
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/ImplUtil.java148
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleImplementation.java41
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleImplementationProcessor.java174
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleJavaInvoker.java52
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleProvider.java91
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleProviderFactory.java48
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleWSDLInvoker.java56
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleWSDLProxy.java57
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor20
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.ValidationSchema18
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory20
-rw-r--r--sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/sample/impl/sample.xsd38
16 files changed, 1170 insertions, 0 deletions
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/api/Java.java b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/api/Java.java
new file mode 100644
index 0000000000..6c9240005f
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/api/Java.java
@@ -0,0 +1,34 @@
+/*
+ * 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.api;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+@Target( {TYPE, FIELD})
+@Retention(RUNTIME)
+public @interface Java {
+
+ Class<?> value();
+}
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/api/WSDL.java b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/api/WSDL.java
new file mode 100644
index 0000000000..655770ec32
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/api/WSDL.java
@@ -0,0 +1,34 @@
+/*
+ * 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.api;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+@Target( {TYPE, FIELD})
+@Retention(RUNTIME)
+public @interface WSDL {
+
+ String value();
+}
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/api/WSDLReference.java b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/api/WSDLReference.java
new file mode 100644
index 0000000000..cad8478a2a
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/api/WSDLReference.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.api;
+
+import org.w3c.dom.Element;
+
+public interface WSDLReference {
+
+ Element call(String op, Element e);
+
+}
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/EmbedUtil.java b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/EmbedUtil.java
new file mode 100644
index 0000000000..0ccbcc9e36
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/EmbedUtil.java
@@ -0,0 +1,311 @@
+/*
+ * 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 java.net.URI;
+import java.net.URL;
+import java.util.Arrays;
+
+import javax.wsdl.PortType;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Contract;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.contribution.Artifact;
+import org.apache.tuscany.sca.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.ContributionFactory;
+import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.processor.ExtensibleURLArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.resolver.ExtensibleModelResolver;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolverExtensionPoint;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.databinding.xml.DOMDataBinding;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLObject;
+import org.apache.tuscany.sca.node.Node;
+import org.apache.tuscany.sca.node.NodeFactory;
+import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint;
+
+/**
+ * A few utility functions to help embed a Tuscany runtime, and a simple DSL
+ * to help assemble and run SCDL.
+ */
+public class EmbedUtil {
+
+ /**
+ * A runtime embedder context, which conveniently initializes a Node factory
+ * and gets the various registries, factories and extension points we need.
+ */
+ static class Context {
+ final NodeFactory nf;
+ final ExtensionPointRegistry epr;
+ final FactoryExtensionPoint fep;
+ final ContributionFactory cf;
+ final AssemblyFactory af;
+ final JavaInterfaceFactory jif;
+ final WSDLFactory wif;
+ final URLArtifactProcessorExtensionPoint apep;
+ final ExtensibleURLArtifactProcessor aproc;
+ final ModelResolverExtensionPoint mrep;
+ final ProviderFactoryExtensionPoint pfep;
+
+ Context(final NodeFactory nf) {
+ this.nf = nf;
+ epr = nf.getExtensionPointRegistry();
+ fep = epr.getExtensionPoint(FactoryExtensionPoint.class);
+ cf = fep.getFactory(ContributionFactory.class);
+ af = fep.getFactory(AssemblyFactory.class);
+ jif = fep.getFactory(JavaInterfaceFactory.class);
+ wif = fep.getFactory(WSDLFactory.class);
+ apep = epr.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
+ aproc = new ExtensibleURLArtifactProcessor(apep);
+ mrep = epr.getExtensionPoint(ModelResolverExtensionPoint.class);
+ pfep = epr.getExtensionPoint(ProviderFactoryExtensionPoint.class);
+ }
+ }
+
+ static Context embedContext(NodeFactory nf) {
+ return new Context(nf);
+ }
+
+ /**
+ * A mini DSL to help build and assemble contributions and SCDL composites.
+ */
+ interface Builder<T> {
+ T build(Context ec);
+ }
+
+ static <T> T build(final Builder<T> builder, final Context ec) {
+ return builder.build(ec);
+ }
+
+ /**
+ * Return a contribution builder.
+ */
+ static Builder<Contribution> contrib(final String uri, final String loc, final Builder<Artifact>... artifacts) {
+ return new Builder<Contribution>() {
+ public Contribution build(final Context ec) {
+ final Contribution c = ec.cf.createContribution();
+ c.setURI(uri);
+ c.setLocation(loc);
+ c.setModelResolver(new ExtensibleModelResolver(c, ec.mrep, ec.fep));
+ for(Builder<Artifact> a: artifacts)
+ c.getArtifacts().add(a.build(ec));
+ return c;
+ }
+ };
+ }
+
+ /**
+ * Return an artifact builder.
+ */
+ static Builder<Artifact> artifact(final String uri, final Object model) {
+ return new Builder<Artifact>() {
+ public Artifact build(final Context ec) {
+ final Artifact a = ec.cf.createArtifact();
+ a.setURI(uri);
+ a.setModel(model);
+ return a;
+ }
+ };
+ }
+
+ /**
+ * Return a composite builder.
+ */
+ static Builder<Composite> composite(final String ns, final String name, final Builder<Component>... components) {
+ return new Builder<Composite>() {
+ public Composite build(final Context ec) {
+ final Composite compos = ec.af.createComposite();
+ compos.setName(new QName(ns, name));
+ for(final Builder<Component> c: components)
+ compos.getComponents().add(c.build(ec));
+ return compos;
+ }
+ };
+ }
+
+ /**
+ * Return a component builder.
+ */
+ static Builder<Component> component(final String name, final Builder<Implementation> impl, final Builder<ComponentReference>... references) {
+ return new Builder<Component>() {
+ public Component build(final Context ec) {
+ final Component c = ec.af.createComponent();
+ c.setName(name);
+ c.setImplementation(impl.build(ec));
+ for(Builder<ComponentReference> r: references)
+ c.getReferences().add(r.build(ec));
+ return c;
+ }
+ };
+ }
+
+ /**
+ * Return an implementation builder.
+ */
+ static Builder<Implementation> implementation(final Class<?> clazz, final Builder<Contract>... contracts) {
+ return new Builder<Implementation>() {
+ public SampleImplementation build(final Context ec) {
+ final SampleImplementation impl = ImplUtil.implementation(clazz.getName());
+ impl.clazz = clazz;
+ impl.setUnresolved(false);
+ for(final Builder<Contract> b: contracts) {
+ Contract c = b.build(ec);
+ if(c instanceof Service)
+ impl.getServices().add((Service)c);
+ else
+ impl.getReferences().add((Reference)c);
+ }
+ return impl;
+ }
+ };
+ }
+
+ /**
+ * Return a reference builder.
+ */
+ static Builder<Contract> reference(final String name, final Class<?> c) {
+ return new Builder<Contract>() {
+ public Reference build(final Context ec) {
+ try {
+ return ImplUtil.reference(name, c, ec.jif, ec.af);
+ } catch(InvalidInterfaceException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ };
+ }
+
+ static Builder<Contract> reference(final String name, final WSDLInterface c) {
+ return new Builder<Contract>() {
+ public Reference build(final Context ec) {
+ return ImplUtil.reference(name, c, ec.wif, ec.af);
+ }
+ };
+ }
+
+ static Builder<ComponentReference> reference(final String name, final String target) {
+ return new Builder<ComponentReference>() {
+ public ComponentReference build(final Context ec) {
+ final ComponentReference r = ec.af.createComponentReference();
+ r.setName(name);
+ final ComponentService s = ec.af.createComponentService();
+ s.setUnresolved(true);
+ s.setName(target);
+ r.getTargets().add(s);
+ return r;
+ }
+ };
+ }
+
+ /**
+ * Return a service builder.
+ */
+ static Builder<Contract> service(final Class<?> c) {
+ return new Builder<Contract>() {
+ public Service build(final Context ec) {
+ try {
+ return ImplUtil.service(c, ec.jif, ec.af);
+ } catch(InvalidInterfaceException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ };
+ }
+
+ static Builder<Contract> service(final WSDLInterface c) {
+ return new Builder<Contract>() {
+ public Service build(final Context ec) {
+ return ImplUtil.service(c, ec.wif, ec.af);
+ }
+ };
+ }
+
+ /**
+ * Return a WSDLInterface builder which loads a WSDL into a contribution.
+ */
+ static Builder<WSDLInterface> wsdli(final String uri, final String ns, final String name, final Contribution c) {
+ return new Builder<WSDLInterface>() {
+ public WSDLInterface build(final Context ec) {
+ try {
+ final ProcessorContext ctx = new ProcessorContext();
+ final WSDLDefinition wd = ec.aproc.read(null, new URI(uri), new URL(new URL(c.getLocation()), uri), ctx, WSDLDefinition.class);
+ c.getModelResolver().addModel(wd, ctx);
+ c.getModelResolver().resolveModel(WSDLDefinition.class, wd, ctx);
+ final WSDLObject<PortType> pt = wd.getWSDLObject(PortType.class, new QName(ns, name));
+ if(pt == null)
+ throw new ContributionResolveException("Couldn't find " + name);
+ final WSDLInterface nwi = ec.wif.createWSDLInterface(pt.getElement(), wd, c.getModelResolver(), null);
+ nwi.setWsdlDefinition(wd);
+ nwi.resetDataBinding(DOMDataBinding.NAME);
+ return nwi;
+ } catch(Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+ };
+ }
+
+ /**
+ * Return the extension point registry used by our nodes.
+ */
+ static ExtensionPointRegistry extensionPoints(final Context ec) {
+ return ec.epr;
+ }
+
+ /**
+ * Return the provider factory extension point used by our nodes.
+ */
+ static ProviderFactoryExtensionPoint providerFactories(final Context ec) {
+ return ec.pfep;
+ }
+
+ /**
+ * Add a deployable composite to a contribution.
+ */
+ static Contribution deploy(final Contribution contrib, final Composite... comps) {
+ for(Composite c: comps)
+ contrib.getDeployables().add(c);
+ return contrib;
+ }
+
+ /**
+ * Configure a node with a list of contributions.
+ */
+ static Node node(final NodeFactory nf, final Contribution... contributions) {
+ return nf.createNode(Arrays.asList(contributions));
+ }
+
+}
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/ImplUtil.java b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/ImplUtil.java
new file mode 100644
index 0000000000..abd4cd7ab0
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/ImplUtil.java
@@ -0,0 +1,148 @@
+/*
+ * 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 java.lang.annotation.Annotation;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterfaceContract;
+
+import sample.api.Java;
+import sample.api.WSDL;
+
+/**
+ * Utility functions to help develop a component implementation extension.
+ */
+class ImplUtil {
+
+ /**
+ * Return a Sample implementation with the given name.
+ */
+ static SampleImplementation implementation(String name) {
+ final SampleImplementation impl = new SampleImplementation(name);
+ impl.setUnresolved(true);
+ return impl;
+ }
+
+ /**
+ * Return the Java class configured on an annotation.
+ */
+ static Class<?> clazz(final Annotation a) {
+ return ((Java)a).value();
+ }
+
+ /**
+ * Return the WSDL QName configured on an annotation.
+ */
+ static QName qname(final Annotation a) {
+ final String uri = ((WSDL)a).value();
+ final int h = uri.indexOf('#');
+ return new QName(uri.substring(0, h), uri.substring(h + 1));
+ }
+
+ /**
+ * Convert a Java class to an interface contract.
+ */
+ static JavaInterfaceContract contract(final Class<?> c, final JavaInterfaceFactory jif) throws InvalidInterfaceException {
+ final JavaInterfaceContract ic = jif.createJavaInterfaceContract();
+ ic.setInterface(jif.createJavaInterface(c));
+ return ic;
+ }
+
+ /**
+ * Convert a WSDL interface to an interface contract.
+ */
+ static WSDLInterfaceContract contract(final WSDLInterface wi, final WSDLFactory wf) {
+ final WSDLInterfaceContract ic = wf.createWSDLInterfaceContract();
+ ic.setInterface(wi);
+ return ic;
+ }
+
+ /**
+ * Convert a Java class to a service.
+ */
+ static Service service(final Class<?> c, final JavaInterfaceFactory jif, final AssemblyFactory af) throws InvalidInterfaceException {
+ Service s = af.createService();
+ s.setName(c.getSimpleName());
+ s.setInterfaceContract(contract(c, jif));
+ return s;
+ }
+
+ /**
+ * Convert a WSDL interface to a service.
+ */
+ static Service service(final WSDLInterface wi, final WSDLFactory wf, final AssemblyFactory af) {
+ Service s = af.createService();
+ s.setName(wi.getName().getLocalPart());
+ s.setInterfaceContract(contract(wi, wf));
+ return s;
+ }
+
+ /**
+ * Convert a name and Java class to a reference.
+ */
+ static Reference reference(final String name, final Class<?> c, final JavaInterfaceFactory jif, final AssemblyFactory af) throws InvalidInterfaceException {
+ final Reference r = af.createReference();
+ r.setName(name);
+ r.setInterfaceContract(contract(c, jif));
+ return r;
+ }
+
+ /**
+ * Convert a name and WSDL interface to a reference.
+ */
+ static Reference reference(final String name, final WSDLInterface wi, final WSDLFactory wf, final AssemblyFactory af) {
+ final Reference r = af.createReference();
+ r.setName(name);
+ r.setInterfaceContract(contract(wi, wf));
+ return r;
+ }
+
+ /**
+ * Convert a WSDL qname to a WSDL interface.
+ */
+ static WSDLInterface interfaze(final QName name, final WSDLFactory wif) {
+ final WSDLInterface wir = wif.createWSDLInterface();
+ wir.setUnresolved(true);
+ wir.setName(name);
+ return wir;
+ }
+
+ /**
+ * Convert a WSDL qname to a WSDL definition.
+ */
+ static WSDLDefinition definition(final QName name, final WSDLFactory wif) {
+ final WSDLDefinition wdr = wif.createWSDLDefinition();
+ wdr.setUnresolved(true);
+ wdr.setNamespace(name.getNamespaceURI());
+ wdr.setNameOfPortTypeToResolve(name);
+ return wdr;
+ }
+}
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleImplementation.java b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleImplementation.java
new file mode 100644
index 0000000000..41ce71a732
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleImplementation.java
@@ -0,0 +1,41 @@
+/*
+ * 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 javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.impl.ImplementationImpl;
+
+/**
+ * Model representing a Sample implementation in an SCA assembly.
+ *
+ * @version $Rev$ $Date$
+ */
+public class SampleImplementation extends ImplementationImpl {
+ static final QName QN = new QName(SCA11_TUSCANY_NS, "implementation.sample");
+
+ final String name;
+ Class<?> clazz;
+
+ SampleImplementation(final String name) {
+ super(QN);
+ this.name = name;
+ }
+
+}
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleImplementationProcessor.java b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleImplementationProcessor.java
new file mode 100644
index 0000000000..6017030d35
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleImplementationProcessor.java
@@ -0,0 +1,174 @@
+/*
+ * 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 javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+import static sample.impl.SampleImplementation.QN;
+import static sample.impl.ImplUtil.clazz;
+import static sample.impl.ImplUtil.definition;
+import static sample.impl.ImplUtil.implementation;
+import static sample.impl.ImplUtil.interfaze;
+import static sample.impl.ImplUtil.qname;
+import static sample.impl.ImplUtil.reference;
+import static sample.impl.ImplUtil.service;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Field;
+
+import javax.wsdl.PortType;
+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.AssemblyFactory;
+import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor;
+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.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.databinding.xml.DOMDataBinding;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLObject;
+
+import sample.api.Java;
+import sample.api.WSDL;
+
+/**
+ * StAX artifact processor for Sample implementations.
+ *
+ * @version $Rev$ $Date$
+ */
+public class SampleImplementationProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<SampleImplementation> {
+ final AssemblyFactory af;
+ final JavaInterfaceFactory jif;
+ final WSDLFactory wf;
+
+ public SampleImplementationProcessor(final ExtensionPointRegistry ep) {
+ final FactoryExtensionPoint fep = ep.getExtensionPoint(FactoryExtensionPoint.class);
+ this.af = fep.getFactory(AssemblyFactory.class);
+ this.jif = fep.getFactory(JavaInterfaceFactory.class);
+ this.wf = fep.getFactory(WSDLFactory.class);
+ }
+
+ public QName getArtifactType() {
+ return QN;
+ }
+
+ public Class<SampleImplementation> getModelType() {
+ return SampleImplementation.class;
+ }
+
+ public SampleImplementation read(final XMLStreamReader r, final ProcessorContext ctx) throws ContributionReadException, XMLStreamException {
+ // Read the component implementation element
+ final SampleImplementation impl = implementation(r.getAttributeValue(null, "class"));
+ while(r.hasNext() && !(r.next() == END_ELEMENT && QN.equals(r.getName())))
+ ;
+ return impl;
+ }
+
+ public void resolve(final SampleImplementation impl, final ModelResolver res, final ProcessorContext ctx) throws ContributionResolveException {
+ try {
+ // Resolve and introspect the implementation class
+ impl.clazz = resolve(impl.name, res, ctx);
+
+ for(final Annotation a: impl.clazz.getAnnotations()) {
+ if(a instanceof Java)
+ impl.getServices().add(service(clazz(a), jif, af));
+ else if(a instanceof WSDL)
+ impl.getServices().add(service(resolve(qname(a), res, ctx, wf), wf, af));
+ }
+
+ for(Field f: impl.clazz.getDeclaredFields()) {
+ for(final Annotation a: f.getAnnotations()) {
+ if(a instanceof Java)
+ impl.getReferences().add(reference(f.getName(), clazz(a), jif, af));
+ else if(a instanceof WSDL)
+ impl.getReferences().add(reference(f.getName(), resolve(qname(a), res, ctx, wf), wf, af));
+ }
+ }
+
+ impl.setUnresolved(false);
+ } catch(InvalidInterfaceException e) {
+ throw new ContributionResolveException(e);
+ }
+ }
+
+ public void write(final SampleImplementation impl, final XMLStreamWriter w, final ProcessorContext ctx) throws ContributionWriteException, XMLStreamException {
+ writeStart(w, QN.getNamespaceURI(), QN.getLocalPart(), new XAttr("class", impl.name));
+ writeEnd(w);
+ }
+
+ /**
+ * Resolve a Java class.
+ */
+ static Class<?> resolve(final String name, final ModelResolver res, final ProcessorContext ctx) throws ContributionResolveException {
+ final ClassReference cr = res.resolveModel(ClassReference.class, new ClassReference(name), ctx);
+ if(cr.getJavaClass() != null)
+ return cr.getJavaClass();
+ throw new ContributionResolveException(new ClassNotFoundException(name));
+ }
+
+ /**
+ * Resolve a WSDL interface.
+ */
+ static WSDLInterface resolve(final QName name, final ModelResolver res, final ProcessorContext ctx, final WSDLFactory wif) throws ContributionResolveException {
+ final WSDLInterface wi = res.resolveModel(WSDLInterface.class, interfaze(name, wif), ctx);
+ if(!wi.isUnresolved())
+ return domBound(wi);
+
+ final WSDLDefinition wd = res.resolveModel(WSDLDefinition.class, definition(wi.getName(), wif), ctx);
+ if(wd.isUnresolved())
+ throw new ContributionResolveException("Couldn't find " + name.getNamespaceURI());
+
+ WSDLObject<PortType> pt = wd.getWSDLObject(PortType.class, name);
+ if(pt == null)
+ throw new ContributionResolveException("Couldn't find " + name);
+ try {
+ final WSDLInterface nwi = wif.createWSDLInterface(pt.getElement(), wd, res, ctx.getMonitor());
+ nwi.setWsdlDefinition(wd);
+ res.addModel(nwi, ctx);
+ return domBound(nwi);
+ } catch(InvalidInterfaceException e) {
+ throw new ContributionResolveException(e);
+ }
+ }
+
+ /**
+ * Return a WSDL interface configured to use a DOM databinding.
+ */
+ static WSDLInterface domBound(WSDLInterface wi) throws ContributionResolveException {
+ try {
+ final WSDLInterface domwi = (WSDLInterface)wi.clone();
+ domwi.resetDataBinding(DOMDataBinding.NAME);
+ return domwi;
+ } catch(CloneNotSupportedException e) {
+ throw new ContributionResolveException(e);
+ }
+ }
+}
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleJavaInvoker.java b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleJavaInvoker.java
new file mode 100644
index 0000000000..244251c4c9
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleJavaInvoker.java
@@ -0,0 +1,52 @@
+/*
+ * 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 java.lang.reflect.Method;
+
+import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+
+/**
+ * Invoker for Sample components that implement a Java interface.
+ *
+ * @version $Rev$ $Date$
+ */
+class SampleJavaInvoker implements Invoker {
+ final Object instance;
+ final Method method;
+
+ SampleJavaInvoker(final JavaOperation op, final Class<?> clazz, final Object instance) throws SecurityException, NoSuchMethodException {
+ this.instance = instance;
+ this.method = clazz.getMethod(op.getJavaMethod().getName(), op.getJavaMethod().getParameterTypes());
+ }
+
+ public Message invoke(final Message msg) {
+ try {
+ // Call the method that implements the operation
+ msg.setBody(method.invoke(instance, (Object[])msg.getBody()));
+ } catch(Exception e) {
+ e.printStackTrace();
+ msg.setFaultBody(e.getCause());
+ }
+ return msg;
+ }
+}
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleProvider.java b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleProvider.java
new file mode 100644
index 0000000000..5d946b037b
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleProvider.java
@@ -0,0 +1,91 @@
+/*
+ * 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 java.lang.reflect.Field;
+
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.interfacedef.Interface;
+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.wsdl.WSDLOperation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * Implementation provider for Sample component implementations.
+ *
+ * @version $Rev$ $Date$
+ */
+class SampleProvider implements ImplementationProvider {
+ final RuntimeComponent comp;
+ final SampleImplementation impl;
+ final ProxyFactory pxf;
+ Object instance;
+
+ SampleProvider(final RuntimeComponent comp, final SampleImplementation impl, ProxyFactory pf) {
+ this.comp = comp;
+ this.impl = impl;
+ this.pxf = pf;
+ }
+
+ public void start() {
+ // Construct implementation instance and inject reference proxies
+ try {
+ instance = impl.clazz.newInstance();
+
+ for(ComponentReference r: comp.getReferences()) {
+ final Field f = impl.clazz.getDeclaredField(r.getName());
+ f.setAccessible(true);
+ // Inject a Java or WSDLReference proxy
+ final Interface i = r.getInterfaceContract().getInterface();
+ if(i instanceof JavaInterface)
+ f.set(instance, pxf.createProxy(comp.getComponentContext().getServiceReference(f.getType(), r.getName())));
+ else
+ f.set(instance, new SampleWSDLProxy(r.getEndpointReferences().get(0), i));
+ }
+ } catch(Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public void stop() {
+ instance = null;
+ }
+
+ public boolean supportsOneWayInvocation() {
+ return false;
+ }
+
+ public Invoker createInvoker(final RuntimeComponentService s, final Operation op) {
+ try {
+ // Creating an invoker for a Java or WSDL-typed implementation
+ if(op instanceof JavaOperation)
+ return new SampleJavaInvoker((JavaOperation)op, impl.clazz, instance);
+ return new SampleWSDLInvoker((WSDLOperation)op, impl.clazz, instance);
+ } catch(Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+}
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleProviderFactory.java b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleProviderFactory.java
new file mode 100644
index 0000000000..4ad24d33ff
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleProviderFactory.java
@@ -0,0 +1,48 @@
+/*
+ * 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 org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.provider.ImplementationProviderFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * Factory for Sample implementation providers.
+ *
+ * @version $Rev$ $Date$
+ */
+public class SampleProviderFactory implements ImplementationProviderFactory<SampleImplementation> {
+ final ProxyFactory pxf;
+
+ public SampleProviderFactory(final ExtensionPointRegistry ep) {
+ pxf = ExtensibleProxyFactory.getInstance(ep);
+ }
+
+ public ImplementationProvider createImplementationProvider(final RuntimeComponent comp, final SampleImplementation impl) {
+ return new SampleProvider(comp, impl, pxf);
+ }
+
+ public Class<SampleImplementation> getModelType() {
+ return SampleImplementation.class;
+ }
+}
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleWSDLInvoker.java b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleWSDLInvoker.java
new file mode 100644
index 0000000000..6c5317274f
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleWSDLInvoker.java
@@ -0,0 +1,56 @@
+/*
+ * 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 java.lang.reflect.Method;
+
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLOperation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.w3c.dom.Element;
+
+/**
+ * Invoker for Sample components that implement a WSDL interface using a generic
+ * call method.
+ *
+ * @version $Rev$ $Date$
+ */
+class SampleWSDLInvoker implements Invoker {
+ final String name;
+ final Object instance;
+ final Method method;
+
+ SampleWSDLInvoker(final WSDLOperation op, final Class<?> clazz, final Object instance) throws SecurityException, NoSuchMethodException {
+ this.name = op.getName();
+ this.instance = instance;
+ this.method = clazz.getMethod("call", String.class, Element.class);
+ }
+
+ public Message invoke(final Message msg) {
+ try {
+ // Invoke the generic call method
+ msg.setBody(method.invoke(instance, name, ((Object[])msg.getBody())[0]));
+ } catch(Exception e) {
+ e.printStackTrace();
+ msg.setFaultBody(e.getCause());
+ }
+ return msg;
+ }
+}
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleWSDLProxy.java b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleWSDLProxy.java
new file mode 100644
index 0000000000..a6882a0103
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/java/sample/impl/SampleWSDLProxy.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 sample.impl;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;
+import org.w3c.dom.Element;
+
+import sample.api.WSDLReference;
+
+/**
+ * Proxy used to call operations on WSDL references.
+ */
+class SampleWSDLProxy implements WSDLReference {
+ final RuntimeEndpointReference repr;
+ final Map<String, Operation> ops;
+
+ SampleWSDLProxy(EndpointReference epr, Interface wi) {
+ repr = (RuntimeEndpointReference)epr;
+ ops = new HashMap<String, Operation>();
+ for(Operation o: wi.getOperations())
+ ops.put(o.getName(), o);
+ }
+
+ @Override
+ public Element call(String op, Element e) {
+ try {
+ // Invoke the named operation on the endpoint reference
+ return (Element)repr.invoke(ops.get(op), new Object[] {e});
+ } catch(InvocationTargetException ex) {
+ throw new RuntimeException(ex);
+ }
+ }
+}
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
new file mode 100644
index 0000000000..908ac95a2e
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/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
+sample.impl.SampleImplementationProcessor;qname=http://tuscany.apache.org/xmlns/sca/1.1#implementation.sample,model=sample.impl.SampleImplementation
+
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.ValidationSchema b/sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.ValidationSchema
new file mode 100644
index 0000000000..85aff44074
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.ValidationSchema
@@ -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.
+#
+sample/impl/sample.xsd
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory b/sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory
new file mode 100644
index 0000000000..32a7efcaf9
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory
@@ -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 provider for Sample components
+sample.impl.SampleProviderFactory;model=sample.impl.SampleImplementation
+
diff --git a/sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/sample/impl/sample.xsd b/sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/sample/impl/sample.xsd
new file mode 100644
index 0000000000..c057aef1c1
--- /dev/null
+++ b/sandbox/samples/extending-tuscany/implementation-extension/src/main/resources/sample/impl/sample.xsd
@@ -0,0 +1,38 @@
+<?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.
+-->
+<schema xmlns="http://www.w3.org/2001/XMLSchema"
+ targetNamespace="http://tuscany.apache.org/xmlns/sca/1.1"
+ xmlns:sca="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+ xmlns:t="http://tuscany.apache.org/xmlns/sca/1.1"
+ elementFormDefault="qualified">
+
+ <import namespace="http://docs.oasis-open.org/ns/opencsa/sca/200912"/>
+
+ <element name="implementation.sample" type="t:SampleImplementation" substitutionGroup="sca:implementation"/>
+
+ <complexType name="SampleImplementation">
+ <complexContent>
+ <extension base="sca:Implementation">
+ <attribute name="class" type="string" use="required"/>
+ </extension>
+ </complexContent>
+ </complexType>
+
+</schema>