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Diffstat (limited to '')
-rw-r--r-- | tags/java/sca/1.3.1-RC0/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationProcessor.java | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/tags/java/sca/1.3.1-RC0/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationProcessor.java b/tags/java/sca/1.3.1-RC0/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationProcessor.java deleted file mode 100644 index 44a2cc0aa8..0000000000 --- a/tags/java/sca/1.3.1-RC0/samples/implementation-pojo-extension/src/main/java/pojo/impl/POJOImplementationProcessor.java +++ /dev/null @@ -1,174 +0,0 @@ -/* - * 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(); - } -} |