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-rw-r--r--sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/POJOImplementation.java65
-rw-r--r--sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/POJOImplementationFactory.java36
-rw-r--r--sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationFactoryImpl.java36
-rw-r--r--sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationImpl.java155
-rw-r--r--sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationProcessor.java174
-rw-r--r--sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationInvoker.java68
-rw-r--r--sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationProvider.java106
-rw-r--r--sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationProviderFactory.java45
-rw-r--r--sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor19
-rw-r--r--sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.ValidationSchema19
-rw-r--r--sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory19
-rw-r--r--sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/pojo.POJOImplementationFactory19
-rw-r--r--sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/sample-implementation-pojo.xsd38
13 files changed, 799 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/POJOImplementation.java b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/POJOImplementation.java
new file mode 100644
index 0000000000..7c2f5d236f
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/POJOImplementation.java
@@ -0,0 +1,65 @@
+/*
+ * 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 pojo;
+
+import java.lang.reflect.Method;
+import java.util.Map;
+
+import org.apache.tuscany.sca.assembly.Implementation;
+
+
+/**
+ * Represents a POJO implementation in an SCA assembly.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface POJOImplementation extends Implementation {
+
+ /**
+ * Returns the POJO class name
+ * @return
+ */
+ public String getPOJOName();
+
+ /**
+ * Sets the POJO class name
+ * @param pojoName
+ */
+ public void setPOJOName(String pojoName);
+
+ /**
+ * Returns the POJO class.
+ * @return
+ */
+ public Class<?> getPOJOClass();
+
+ /**
+ * Sets the POJO class.
+ * @param pojoClass
+ */
+ public void setPOJOClass(Class<?> pojoClass);
+
+ /**
+ * Returns the POJO's methods.
+ * @return
+ */
+ public Map<String, Method> getMethods();
+
+}
diff --git a/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/POJOImplementationFactory.java b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/POJOImplementationFactory.java
new file mode 100644
index 0000000000..bbcfb3d0dc
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/POJOImplementationFactory.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package pojo;
+
+
+/**
+ * Factory for the POJO implementation model.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface POJOImplementationFactory {
+
+ /**
+ * Creates a new POJO implementation model object.
+ * @return a new POJO implementation model object
+ */
+ POJOImplementation createPOJOImplementation();
+
+}
diff --git a/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationFactoryImpl.java b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationFactoryImpl.java
new file mode 100644
index 0000000000..0dad270a6c
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationFactoryImpl.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package pojo.impl;
+
+import pojo.POJOImplementation;
+import pojo.POJOImplementationFactory;
+
+/**
+ * A factory for the POJO implementation model.
+ *
+ * @version $Rev$ $Date$
+ */
+public class POJOImplementationFactoryImpl implements POJOImplementationFactory {
+
+ public POJOImplementation createPOJOImplementation() {
+ return new POJOImplementationImpl();
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationImpl.java b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationImpl.java
new file mode 100644
index 0000000000..f2d6871039
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationImpl.java
@@ -0,0 +1,155 @@
+/*
+ * 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 pojo.impl;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.sca.assembly.ConstrainingType;
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+
+import pojo.POJOImplementation;
+
+
+/**
+ * Represents a POJO implementation in an SCA assembly.
+ *
+ * @version $Rev$ $Date$
+ */
+class POJOImplementationImpl implements POJOImplementation {
+
+ private String pojoName;
+ private Class<?> pojoClass;
+ private String uri;
+ private Map<String, Method> methods;
+ private List<Service> services = new ArrayList<Service>();
+ private List<Reference> references = new ArrayList<Reference>();
+ private List<Property> properties = new ArrayList<Property>();
+ private boolean unresolved;
+
+ POJOImplementationImpl() {
+ }
+
+ /**
+ * Returns the POJO class name
+ * @return
+ */
+ public String getPOJOName() {
+ return pojoName;
+ }
+
+ /**
+ * Sets the POJO class name
+ * @param pojoName
+ */
+ public void setPOJOName(String pojoName) {
+ this.pojoName = pojoName;
+ setURI(pojoName.replace('.', '/'));
+ }
+
+ /**
+ * Returns the POJO class.
+ * @return
+ */
+ public Class<?> getPOJOClass() {
+ return pojoClass;
+ }
+
+ /**
+ * Sets the POJO class.
+ * @param pojoClass
+ */
+ public void setPOJOClass(Class<?> pojoClass) {
+ this.pojoClass = pojoClass;
+ setPOJOName(pojoClass.getName());
+
+ // Index the POJO's methods
+ methods = new HashMap<String, Method>();
+ Method[] m = pojoClass.getMethods();
+ for (int i = 0; i < m.length; i++) {
+ methods.put(m[i].getName(), m[i]);
+ }
+ }
+
+ /**
+ * Returns the POJO's methods.
+ * @return
+ */
+ public Map<String, Method> getMethods() {
+ return methods;
+ }
+
+ public ConstrainingType getConstrainingType() {
+ // The sample POJO implementation does not support constrainingTypes
+ return null;
+ }
+
+ public List<Property> getProperties() {
+ return properties;
+ }
+
+ public List<Service> getServices() {
+ return services;
+ }
+
+ public List<Reference> getReferences() {
+ return references;
+ }
+
+ public String getURI() {
+ return uri;
+ }
+
+ public void setConstrainingType(ConstrainingType constrainingType) {
+ // The sample POJO implementation does not support constrainingTypes
+ }
+
+ public void setURI(String uri) {
+ this.uri = uri;
+ }
+
+ public boolean isUnresolved() {
+ return unresolved;
+ }
+
+ public void setUnresolved(boolean unresolved) {
+ this.unresolved = unresolved;
+ }
+
+ @Override
+ public int hashCode() {
+ return uri.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj instanceof POJOImplementationImpl) {
+ return ((POJOImplementationImpl)obj).getURI().equals(uri);
+ } else {
+ return false;
+ }
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationProcessor.java b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationProcessor.java
new file mode 100644
index 0000000000..44a2cc0aa8
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationProcessor.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 pojo.impl;
+
+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.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.assembly.xml.PolicyAttachPointProcessor;
+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.policy.PolicyFactory;
+
+import pojo.POJOImplementation;
+import pojo.POJOImplementationFactory;
+
+/**
+ * Implements a STAX based artifact processor for POJO implementations.
+ *
+ * The artifact processor is responsible for processing <implementation.pojo>
+ * elements in SCA assembly XML composite files and populating the POJO
+ * implementation model, resolving its references to other artifacts in the SCA
+ * contribution, and optionally write the model back to SCA assembly XML.
+ */
+public class POJOImplementationProcessor implements StAXArtifactProcessor<POJOImplementation> {
+ private static final QName IMPLEMENTATION_POJO = new QName("http://pojo", "implementation.pojo");
+
+ private AssemblyFactory assemblyFactory;
+ private JavaInterfaceFactory javaFactory;
+ private POJOImplementationFactory pojoImplementationFactory;
+ private PolicyFactory policyFactory;
+ private PolicyAttachPointProcessor policyProcessor;
+
+ public POJOImplementationProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) {
+
+ // Get the assembly and Java interface factories as we'll need them to
+ // create model objects
+ assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
+ javaFactory = modelFactories.getFactory(JavaInterfaceFactory.class);
+ policyFactory = modelFactories.getFactory(PolicyFactory.class);
+ pojoImplementationFactory = modelFactories.getFactory(POJOImplementationFactory.class);
+ policyProcessor = new PolicyAttachPointProcessor(policyFactory);
+ }
+
+ public QName getArtifactType() {
+ // Returns the qname of the XML element processed by this processor
+ return IMPLEMENTATION_POJO;
+ }
+
+ public Class<POJOImplementation> getModelType() {
+ // Returns the type of model processed by this processor
+ return POJOImplementation.class;
+ }
+
+ public POJOImplementation read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+
+ // Read an <implementation.pojo> element
+ POJOImplementation implementation = pojoImplementationFactory.createPOJOImplementation();
+
+ // Read policies
+ policyProcessor.readPolicies(implementation, reader);
+
+ // Read the POJO class attribute.
+ String className = reader.getAttributeValue(null, "class");
+ implementation.setPOJOName(className);
+
+ // Mark the POJO model unresolved to track the fact that it's not
+ // completely initialized, its class is not loaded yet and services
+ // and references not initialized either
+ implementation.setUnresolved(true);
+
+ // Skip to end element
+ while (reader.hasNext()) {
+ if (reader.next() == END_ELEMENT && IMPLEMENTATION_POJO.equals(reader.getName())) {
+ break;
+ }
+ }
+
+ return implementation;
+ }
+
+ public void resolve(POJOImplementation implementation, ModelResolver resolver) throws ContributionResolveException {
+
+ // Resolve the POJO implementation
+
+ // First resolve its class
+ ClassReference classReference = new ClassReference(implementation.getPOJOName());
+ classReference = resolver.resolveModel(ClassReference.class, classReference);
+ Class<?> pojoClass = classReference.getJavaClass();
+ if (pojoClass == null) {
+ throw new ContributionResolveException("Class could not be resolved: " + implementation.getPOJOName());
+ }
+ implementation.setPOJOClass(pojoClass);
+
+ // Check to see if we have a .componentType file describing the POJO class
+ ComponentType componentType = assemblyFactory.createComponentType();
+ componentType.setUnresolved(true);
+ componentType.setURI(implementation.getURI() + ".componentType");
+ componentType = resolver.resolveModel(ComponentType.class, componentType);
+ if (!componentType.isUnresolved()) {
+
+ // We have a component type description, merge it into the POJO model
+ implementation.getServices().addAll(componentType.getServices());
+ implementation.getReferences().addAll(componentType.getReferences());
+ implementation.getProperties().addAll(componentType.getProperties());
+
+ } else {
+
+ // We have no component type description, simply introspect the POJO and
+ // create a single Service for it
+ Service service = assemblyFactory.createService();
+ service.setName(pojoClass.getSimpleName());
+ JavaInterface javaInterface;
+ try {
+ javaInterface = javaFactory.createJavaInterface(pojoClass);
+ } catch (InvalidInterfaceException e) {
+ throw new ContributionResolveException(e);
+ }
+ JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract();
+ interfaceContract.setInterface(javaInterface);
+ service.setInterfaceContract(interfaceContract);
+ implementation.getServices().add(service);
+ }
+
+ // Mark the implementation resolved now
+ implementation.setUnresolved(false);
+ }
+
+ public void write(POJOImplementation implementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
+
+ // Write <implementation.pojo> element
+ policyProcessor.writePolicyPrefixes(implementation, writer);
+ writer.writeStartElement(IMPLEMENTATION_POJO.getNamespaceURI(), IMPLEMENTATION_POJO.getLocalPart());
+ policyProcessor.writePolicyAttributes(implementation, writer);
+
+ if (implementation.getPOJOName() != null) {
+ writer.writeAttribute("class", implementation.getPOJOName());
+ }
+
+ writer.writeEndElement();
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationInvoker.java b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationInvoker.java
new file mode 100644
index 0000000000..87333c61f6
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationInvoker.java
@@ -0,0 +1,68 @@
+/*
+ * 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 pojo.provider;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * Implements an invoker for POJO component implementations.
+ *
+ * The invoker is responsible for handling invocations of a business operation.
+ * Input business data is passed to the invoke method in a Message object.
+ * The invoke method is responsible for handling the invocation and returning a Message with
+ * the output business data.
+ *
+ * In this example we are simply delegating the operation invocations to the
+ * corresponding methods on the POJO implementation class using Java reflection.
+ *
+ * Depending on the type of implementation being handled, more sophisticated invokers can
+ * use other techniques to delegate the invocation to the implementation artifact directly, call a
+ * runtime engine like a BPEL engine or an XQuery engine (this is what the Tuscany
+ * implementation-bpel and implementation-xquery extensions do) or just completely handle the
+ * invocation in the invoker itself if the implementation has a fixed behavior for example.
+ */
+class POJOImplementationInvoker implements Invoker {
+
+ private Object pojoInstance;
+ private Method method;
+
+ POJOImplementationInvoker(Object pojoInstance, Operation operation, Method method) {
+ this.pojoInstance = pojoInstance;
+ this.method = method;
+ }
+
+ public Message invoke(Message msg) {
+ try {
+ msg.setBody(method.invoke(pojoInstance, (Object[])msg.getBody()));
+ } catch (InvocationTargetException e) {
+ msg.setFaultBody(e);
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ return msg;
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationProvider.java b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationProvider.java
new file mode 100644
index 0000000000..73a0d22493
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationProvider.java
@@ -0,0 +1,106 @@
+/*
+ * 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 pojo.provider;
+
+import java.lang.reflect.Method;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+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;
+import org.osoa.sca.ServiceRuntimeException;
+
+import pojo.POJOImplementation;
+
+/**
+ * An implementation provider for sample CRUD implementations.
+ *
+ * The implementation provider is responsible for handling the lifecycle of a component
+ * implementation and creating operation invokers for the service operations provided
+ * by the implementation.
+ *
+ * The start() and stop() methods are called when a component is started
+ * and stopped. In this example we are using that opportunity to call init and destroy methods
+ * on the POJO instance if these methods exist.
+ *
+ * The createInvoker method is called for each operation provided by the component
+ * implementation. The implementation provider can create an invoker and initialize it
+ * at that time to minimize the amount of work to be performed on each invocation.
+ *
+ * For example here we are looking up the Java method corresponding to the service operation
+ * at passing it to the invoker constructor. This way the invoker won't have to lookup the Java
+ * method on each invocation.
+ */
+class POJOImplementationProvider implements ImplementationProvider {
+
+ private POJOImplementation implementation;
+ private Object pojoInstance;
+
+ /**
+ * Constructs a new CRUD implementation.
+ */
+ POJOImplementationProvider(RuntimeComponent component, POJOImplementation implementation) {
+ this.implementation = implementation;
+
+ // Create a new instance of the POJO
+ try {
+ pojoInstance = implementation.getPOJOClass().newInstance();
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ public void start() {
+ try {
+ // Invoke the POJO's init method
+ Method initMethod = implementation.getMethods().get("init");
+ if (initMethod != null) {
+ initMethod.invoke(pojoInstance);
+ }
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ public void stop() {
+ try {
+ // Invoke the POJO's destroy method
+ Method destroyMethod = implementation.getMethods().get("destroy");
+ if (destroyMethod != null) {
+ destroyMethod.invoke(pojoInstance);
+ }
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ } finally {
+ pojoInstance = null;
+ }
+ }
+
+ public Invoker createInvoker(RuntimeComponentService service, Operation operation) {
+ Method method = implementation.getMethods().get(operation.getName());
+ POJOImplementationInvoker invoker = new POJOImplementationInvoker(pojoInstance, operation, method);
+ return invoker;
+ }
+
+ public boolean supportsOneWayInvocation() {
+ return false;
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationProviderFactory.java b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationProviderFactory.java
new file mode 100644
index 0000000000..22f2be09e9
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationProviderFactory.java
@@ -0,0 +1,45 @@
+/*
+ * 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 pojo.provider;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.provider.ImplementationProviderFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+import pojo.POJOImplementation;
+
+/**
+ * A factory for POJO implementation providers.
+ */
+public class POJOImplementationProviderFactory implements ImplementationProviderFactory<POJOImplementation> {
+
+ public POJOImplementationProviderFactory(ExtensionPointRegistry registry) {
+ }
+
+ public Class<POJOImplementation> getModelType() {
+ // Returns the type of model processed by this processor
+ return POJOImplementation.class;
+ }
+
+ public ImplementationProvider createImplementationProvider(RuntimeComponent component, POJOImplementation implementation) {
+ return new POJOImplementationProvider(component, implementation);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
new file mode 100644
index 0000000000..8337e81c5f
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/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
+pojo.impl.POJOImplementationProcessor;qname=http://pojo#implementation.pojo,model=pojo.POJOImplementation,factory=pojo.POJOImplementationFactory
diff --git a/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.ValidationSchema b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.ValidationSchema
new file mode 100644
index 0000000000..64dd230a15
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.ValidationSchema
@@ -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.
+
+# URI of the XML schema to be used for validation
+sample-implementation-pojo.xsd
diff --git a/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory
new file mode 100644
index 0000000000..b30ea3b9cf
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory
@@ -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 implementation extension
+pojo.provider.POJOImplementationProviderFactory;model=pojo.POJOImplementation
diff --git a/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/pojo.POJOImplementationFactory b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/pojo.POJOImplementationFactory
new file mode 100644
index 0000000000..075af98240
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/pojo.POJOImplementationFactory
@@ -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 implementation model factory
+pojo.impl.POJOImplementationFactoryImpl
diff --git a/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/sample-implementation-pojo.xsd b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/sample-implementation-pojo.xsd
new file mode 100644
index 0000000000..c9d170770b
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/sample-implementation-pojo.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://pojo"
+ xmlns:sca="http://www.osoa.org/xmlns/sca/1.0"
+ xmlns:p="http://pojo"
+ elementFormDefault="qualified">
+
+ <import namespace="http://www.osoa.org/xmlns/sca/1.0"/>
+
+ <element name="implementation.pojo" type="p:POJOImplementation"/>
+
+ <complexType name="POJOImplementation">
+ <complexContent>
+ <extension base="sca:Implementation">
+ <attribute name="class" type="NCName" use="required"/>
+ </extension>
+ </complexContent>
+ </complexType>
+
+</schema>