diff options
| author | ramkumar <ramkumar@13f79535-47bb-0310-9956-ffa450edef68> | 2008-12-02 11:17:24 +0000 |
|---|---|---|
| committer | ramkumar <ramkumar@13f79535-47bb-0310-9956-ffa450edef68> | 2008-12-02 11:17:24 +0000 |
| commit | eed639ccf7fd95e0b31caf61787126e69592f207 (patch) | |
| tree | 401cafc53175c67ac1aea5398986400b416bcde3 /branches/sca-java-1.4/samples/implementation-pojo-extension | |
| parent | e2af7d8b2dc498e63375fec8d97186dc261a428f (diff) | |
Branch for 1.4
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@722428 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'branches/sca-java-1.4/samples/implementation-pojo-extension')
22 files changed, 1207 insertions, 0 deletions
diff --git a/branches/sca-java-1.4/samples/implementation-pojo-extension/README b/branches/sca-java-1.4/samples/implementation-pojo-extension/README new file mode 100644 index 0000000000..3b201779e1 --- /dev/null +++ b/branches/sca-java-1.4/samples/implementation-pojo-extension/README @@ -0,0 +1,70 @@ +Implementation POJO Sample +========================== +This sample demonstrates how new implementation types are constructed for +Apache Tuscany SCA. + +The README in the samples directory (the directory above this) provides +general instructions about building and running samples. Take a look there +first. + +Sample Overview +--------------- +This sample contains a POJO implementation type as an example of how to create +new implementation types. + +implementation-pojo-extension/ + src/ + main/ + java/ + pojo/ - implementation model interfaces + impl/ - implementations of the model interfaces + provider/ - runtime implementation + resources/ + META-INF/ + services/ - declares the extension + test/ + java/ + helloworld/ + HelloWorldTestCase.java - JUnit test case + resources/ + helloworld.composite - the SCA assembly used during unit testing + + build.xml - the Ant build file + pom.xml - the Maven build file + +Building The Sample Extension Using Ant +----------------------------------------- +With the binary distribution the sample extension can be built using Ant as +follows + +cd implementation-pojo-extension +ant compile + +Building The Sample Using Maven +------------------------------------------- +With either the binary or source distributions the sample can be built +using Maven as follows. + +cd implementation-pojo-extension +mvn + +Maven will also test that the sample extension built properly. You should see +the following output from the test phase. + +------------------------------------------------------- + T E S T S +------------------------------------------------------- +Running helloworld.HelloWorldTestCase +Initializing POJO +Initializing POJO +Executing POJO sayHello +Initializing POJO +Initializing POJO +Executing POJO sayHello +Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.616 sec + +Results : + +Tests run: 2, Failures: 0, Errors: 0, Skipped: 0 + +This shows that the Junit test cases have run successfully. diff --git a/branches/sca-java-1.4/samples/implementation-pojo-extension/build.xml b/branches/sca-java-1.4/samples/implementation-pojo-extension/build.xml new file mode 100644 index 0000000000..78bae79859 --- /dev/null +++ b/branches/sca-java-1.4/samples/implementation-pojo-extension/build.xml @@ -0,0 +1,51 @@ +<!-- + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. +--> +<project name="implementation-pojo-extension" default="compile"> + <property name="test.jar" value="sample-implementation-pojo-extension.jar" /> + + <target name="init"> + <mkdir dir="target/classes"/> + </target> + + <target name="compile" depends="init"> + <javac srcdir="src/main/java" + destdir="target/classes" + debug="on" + source="1.5" + target="1.5"> + <classpath> + <pathelement location="../../lib/tuscany-sca-manifest.jar"/> + </classpath> + </javac> + <copy todir="target/classes"> + <fileset dir="src/main/resources"/> + </copy> + <jar destfile="target/${test.jar}" basedir="target/classes"> + <manifest> + <attribute name="Main-Class" value="${test.class}" /> + </manifest> + </jar> + </target> + + <target name="clean"> + <delete quiet="true" includeemptydirs="true"> + <fileset dir="target"/> + </delete> + </target> +</project> diff --git a/branches/sca-java-1.4/samples/implementation-pojo-extension/pom.xml b/branches/sca-java-1.4/samples/implementation-pojo-extension/pom.xml new file mode 100644 index 0000000000..b8afea8221 --- /dev/null +++ b/branches/sca-java-1.4/samples/implementation-pojo-extension/pom.xml @@ -0,0 +1,77 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. +--> +<project> + <modelVersion>4.0.0</modelVersion> + <parent> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-sca</artifactId> + <version>1.4-SNAPSHOT</version> + <relativePath>../../pom.xml</relativePath> + </parent> + <artifactId>sample-implementation-pojo-extension</artifactId> + <name>Apache Tuscany SCA Sample POJO Implementation Extension</name> + + <repositories> + <repository> + <id>apache.incubator</id> + <url>http://people.apache.org/repo/m2-incubating-repository</url> + </repository> + </repositories> + + <dependencies> + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-assembly-xml</artifactId> + <version>1.4-SNAPSHOT</version> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-interface-java-xml</artifactId> + <version>1.4-SNAPSHOT</version> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-core-spi</artifactId> + <version>1.4-SNAPSHOT</version> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-host-embedded</artifactId> + <version>1.4-SNAPSHOT</version> + <scope>test</scope> + </dependency> + + <dependency> + <groupId>junit</groupId> + <artifactId>junit</artifactId> + <version>4.5</version> + <scope>test</scope> + </dependency> + + </dependencies> + + <build> + <finalName>${artifactId}</finalName> + </build> + +</project> diff --git a/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/POJOImplementation.java b/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/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/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/POJOImplementationFactory.java b/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/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/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationFactoryImpl.java b/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/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/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationImpl.java b/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/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/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationProcessor.java b/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/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/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationInvoker.java b/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/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/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationProvider.java b/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/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/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/java/pojo/provider/POJOImplementationProviderFactory.java b/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/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/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/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/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/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.ValidationSchema b/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/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/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory b/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/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/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/META-INF/services/pojo.POJOImplementationFactory b/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/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/branches/sca-java-1.4/samples/implementation-pojo-extension/src/main/resources/sample-implementation-pojo.xsd b/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/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> diff --git a/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/java/helloworld/HelloWorld.java b/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/java/helloworld/HelloWorld.java new file mode 100644 index 0000000000..cc32929f09 --- /dev/null +++ b/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/java/helloworld/HelloWorld.java @@ -0,0 +1,26 @@ +/* + * 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 helloworld; + +public interface HelloWorld { + + String sayHello(String name); + +} diff --git a/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/java/helloworld/HelloWorldImpl.java b/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/java/helloworld/HelloWorldImpl.java new file mode 100644 index 0000000000..0580e30aba --- /dev/null +++ b/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/java/helloworld/HelloWorldImpl.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 helloworld; + +public class HelloWorldImpl { + + public void init() { + System.out.println("Initializing POJO"); + } + + public void destroy() { + System.out.println("Destroying POJO"); + } + + public String sayHello(String name) { + System.out.println("Executing POJO sayHello"); + return "Hello " + name; + } + +} diff --git a/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/java/helloworld/HelloWorldImpl2.java b/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/java/helloworld/HelloWorldImpl2.java new file mode 100644 index 0000000000..69ab1f567e --- /dev/null +++ b/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/java/helloworld/HelloWorldImpl2.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 helloworld; + +public class HelloWorldImpl2 { + + public void init() { + System.out.println("Initializing POJO"); + } + + public void destroy() { + System.out.println("Destroying POJO"); + } + + public String sayHello(String name) { + System.out.println("Executing POJO sayHello"); + return "Hello " + name; + } + +} diff --git a/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/java/helloworld/HelloWorldTestCase.java b/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/java/helloworld/HelloWorldTestCase.java new file mode 100644 index 0000000000..d8b5f41adc --- /dev/null +++ b/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/java/helloworld/HelloWorldTestCase.java @@ -0,0 +1,51 @@ +/* + * 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 helloworld; + +import junit.framework.TestCase; + +import org.apache.tuscany.sca.host.embedded.SCADomain; + +/** + * Tests the POJO implementation extension. + */ +public class HelloWorldTestCase extends TestCase { + + private SCADomain scaDomain; + + @Override + protected void setUp() throws Exception { + scaDomain = SCADomain.newInstance("helloworld/helloworld.composite"); + } + + @Override + protected void tearDown() throws Exception { + scaDomain.close(); + } + + public void testHello() throws Exception { + HelloWorld helloworld = scaDomain.getService(HelloWorld.class, "HelloWorldComponent"); + assertEquals("Hello petra", helloworld.sayHello("petra")); + } + + public void testHello2() throws Exception { + HelloWorld helloworld = scaDomain.getService(HelloWorld.class, "HelloWorldComponent2/HelloWorld2"); + assertEquals("Hello petra", helloworld.sayHello("petra")); + } +} diff --git a/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/resources/helloworld/HelloWorldImpl2.componentType b/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/resources/helloworld/HelloWorldImpl2.componentType new file mode 100644 index 0000000000..a92c5ab8db --- /dev/null +++ b/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/resources/helloworld/HelloWorldImpl2.componentType @@ -0,0 +1,26 @@ +<?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. +--> +<componentType xmlns="http://www.osoa.org/xmlns/sca/1.0"> + + <service name="HelloWorld2"> + <interface.java interface="helloworld.HelloWorld"/> + </service> + +</componentType>
\ No newline at end of file diff --git a/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/resources/helloworld/helloworld.composite b/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/resources/helloworld/helloworld.composite new file mode 100644 index 0000000000..c38094dfc9 --- /dev/null +++ b/branches/sca-java-1.4/samples/implementation-pojo-extension/src/test/resources/helloworld/helloworld.composite @@ -0,0 +1,33 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. +--> +<composite xmlns="http://www.osoa.org/xmlns/sca/1.0" + targetNamespace="http://test/helloworld" + xmlns:p="http://pojo" + name="helloworld"> + + <component name="HelloWorldComponent"> + <p:implementation.pojo class="helloworld.HelloWorldImpl" /> + </component> + + <component name="HelloWorldComponent2"> + <p:implementation.pojo class="helloworld.HelloWorldImpl2" /> + </component> + +</composite> |