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Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-ejb/src/main/java/org/apache/tuscany/sca/implementation/ejb/xml/EJBImplementationProcessor.java')
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1 files changed, 262 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-ejb/src/main/java/org/apache/tuscany/sca/implementation/ejb/xml/EJBImplementationProcessor.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-ejb/src/main/java/org/apache/tuscany/sca/implementation/ejb/xml/EJBImplementationProcessor.java new file mode 100644 index 0000000000..30c42f47a8 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-ejb/src/main/java/org/apache/tuscany/sca/implementation/ejb/xml/EJBImplementationProcessor.java @@ -0,0 +1,262 @@ +/* + * 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 org.apache.tuscany.sca.implementation.ejb.xml; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; + +import java.net.URI; +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; +import java.util.Map; +import java.util.logging.Logger; + +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.Property; +import org.apache.tuscany.sca.assembly.xml.Constants; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.jee.EjbInfo; +import org.apache.tuscany.sca.contribution.jee.EjbModuleInfo; +import org.apache.tuscany.sca.contribution.jee.EjbReferenceInfo; +import org.apache.tuscany.sca.contribution.jee.EnvEntryInfo; +import org.apache.tuscany.sca.contribution.jee.JavaEEExtension; +import org.apache.tuscany.sca.contribution.jee.JavaEEOptionalExtension; +import org.apache.tuscany.sca.contribution.jee.impl.EjbModuleInfoImpl; +import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +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.implementation.ejb.EJBImplementation; +import org.apache.tuscany.sca.implementation.ejb.EJBImplementationFactory; +import org.apache.tuscany.sca.implementation.java.DefaultJavaImplementationFactory; +import org.apache.tuscany.sca.implementation.java.IntrospectionException; +import org.apache.tuscany.sca.implementation.java.JavaImplementation; +import org.apache.tuscany.sca.implementation.java.JavaImplementationFactory; +import org.apache.tuscany.sca.implementation.java.impl.JavaElementImpl; +import org.apache.tuscany.sca.implementation.java.impl.JavaResourceImpl; +import org.apache.tuscany.sca.implementation.java.introspect.impl.PropertyProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.ReferenceProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.ServiceProcessor; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.monitor.impl.ProblemImpl; + + +/** + * Implements a StAX artifact processor for EJB implementations. + * + * @version $Rev$ $Date$ + */ +public class EJBImplementationProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<EJBImplementation> { + private static final QName IMPLEMENTATION_EJB = new QName(Constants.SCA10_NS, "implementation.ejb"); + private static final Logger logger = Logger.getLogger(EJBImplementationProcessor.class.getName()); + + private AssemblyFactory assemblyFactory; + private EJBImplementationFactory implementationFactory; + private Monitor monitor; + private JavaEEExtension jeeExtension; + private JavaEEOptionalExtension jeeOptionalExtension; + private JavaImplementationFactory javaImplementationFactory; + private JavaInterfaceFactory javaInterfaceFactory; + + public EJBImplementationProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) { + this.assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + this.implementationFactory = modelFactories.getFactory(EJBImplementationFactory.class); + this.jeeExtension = modelFactories.getFactory(JavaEEExtension.class); + this.jeeOptionalExtension = modelFactories.getFactory(JavaEEOptionalExtension.class); + this.monitor = monitor; + + this.javaImplementationFactory = new DefaultJavaImplementationFactory(); + this.javaInterfaceFactory = modelFactories.getFactory(JavaInterfaceFactory.class); + javaImplementationFactory.addClassVisitor(new ReferenceProcessor(assemblyFactory, javaInterfaceFactory)); + javaImplementationFactory.addClassVisitor(new PropertyProcessor(assemblyFactory)); + javaImplementationFactory.addClassVisitor(new ServiceProcessor(assemblyFactory, javaInterfaceFactory)); + } + + /** + * Report a error. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "impl-ejb-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + public QName getArtifactType() { + // Returns the QName of the XML element processed by this processor + return IMPLEMENTATION_EJB; + } + + public Class<EJBImplementation> getModelType() { + // Returns the type of model processed by this processor + return EJBImplementation.class; + } + + public EJBImplementation read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + + // Read an <implementation.ejb> element + EJBImplementation implementation = implementationFactory.createEJBImplementation(); + implementation.setUnresolved(true); + + // Read the ejb-link attribute + String ejbLink = getString(reader, "ejb-link"); + if (ejbLink != null) { + implementation.setEJBLink(ejbLink); + + // Set the URI of the component type + //implementation.setURI(ejbLink.replace('#', '/')); + int hashPosition = ejbLink.indexOf('#'); + if (hashPosition >= 0) { + implementation.setURI(ejbLink.substring(hashPosition + 1)); + } else { + implementation.setURI(ejbLink); + } + } else { + error("EJBLinkAttributeMissing", reader); + } + + // Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && IMPLEMENTATION_EJB.equals(reader.getName())) { + break; + } + } + + return implementation; + } + + public void resolve(EJBImplementation implementation, ModelResolver resolver) throws ContributionResolveException { + + // Resolve the component type + String uri = implementation.getURI(); + String ejbLink = implementation.getEJBLink(); + if (ejbLink != null) { + String module = ejbLink.indexOf('#') != -1 ? ejbLink.substring(0, ejbLink.indexOf('#')) : ""; + String beanName = ejbLink.indexOf('#') != -1 ? ejbLink.substring(ejbLink.indexOf('#')+1) : ejbLink; + EjbModuleInfo ejbModuleInfo = new EjbModuleInfoImpl(); + ejbModuleInfo.setUri(URI.create(module)); + ejbModuleInfo = resolver.resolveModel(EjbModuleInfo.class, ejbModuleInfo); + + if(jeeExtension != null) { + ComponentType ct = jeeExtension.createImplementationEjbComponentType(ejbModuleInfo, beanName); + // TODO - SL - TUSCANY-2944 - these new JEE processors are causing problems with existing contributions + // ct is null if there is no EJBInfo + if (ct != null){ + implementation.getServices().addAll(ct.getServices()); + } + } + + if(jeeOptionalExtension != null) { + ComponentType ct = jeeOptionalExtension.createImplementationEjbComponentType(ejbModuleInfo, beanName); + // TODO - SL - TUSCANY-2944 - these new JEE processors are causing problems with existing contributions + // ct is null if there is no EJBInfo + if (ct != null){ + implementation.getReferences().addAll(ct.getReferences()); + implementation.getProperties().addAll(ct.getProperties()); + + // Injection points + List<String> propertyNames = new ArrayList<String>(); + for(Property prop : ct.getProperties()) { + propertyNames.add(prop.getName()); + } + EjbInfo ejbInfo = ejbModuleInfo.getEjbInfo(uri); + for(Map.Entry<String, EjbReferenceInfo> entry : ejbInfo.ejbReferences.entrySet()) { + EjbReferenceInfo ejbRef = entry.getValue(); + implementation.getOptExtensionReferenceInjectionPoints().put(ejbRef.injectionTarget, ejbRef.businessInterface); + } + for(Map.Entry<String, EnvEntryInfo> entry : ejbInfo.envEntries.entrySet()) { + EnvEntryInfo envEntry = entry.getValue(); + if(propertyNames.contains(envEntry.name.replace("/", "_"))) { + implementation.getOptExtensionPropertyInjectionPoints().put(envEntry.name, envEntry.type); + } + } + } + } + + EjbInfo ejbInfo = ejbModuleInfo.getEjbInfo(uri); + if (ejbInfo == null) { + // FIXME: + logger.severe("EJB " + uri + " is not found in the module"); + // throw new ContributionResolveException("EJB " + uri + " is not found in the module"); + } else { + // Introspection of bean class + Class<?> beanClass = ejbInfo.beanClass; + try { + JavaImplementation ji = javaImplementationFactory.createJavaImplementation(beanClass); + implementation.getReferences().addAll(ji.getReferences()); + implementation.getProperties().addAll(ji.getProperties()); + implementation.getServices().addAll(ji.getServices()); + for(Map.Entry<String, JavaElementImpl> entry : ji.getReferenceMembers().entrySet()) { + implementation.getReferenceInjectionPoints().put(entry.getKey(), entry.getValue()); + } + for(Map.Entry<String, JavaElementImpl> entry : ji.getPropertyMembers().entrySet()) { + implementation.getPropertyInjectionPoints().put(entry.getKey(), entry.getValue()); + } + for(Map.Entry<String, JavaResourceImpl> entry : ji.getResources().entrySet()) { + implementation.getResourceInjectionPoints().put(entry.getKey(), entry.getValue()); + } + for(Map.Entry<String, Collection<JavaElementImpl>> entry : ji.getCallbackMembers().entrySet()) { + implementation.getCallbackInjectionPoints().put(entry.getKey(), entry.getValue()); + } + } catch (IntrospectionException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + // Process componentType side file + ComponentType componentType = assemblyFactory.createComponentType(); + componentType.setURI(uri + ".componentType"); + componentType = resolver.resolveModel(ComponentType.class, componentType); + if (!componentType.isUnresolved()) { + + // Initialize the implementation's services, references and properties + implementation.getServices().addAll(componentType.getServices()); + implementation.getReferences().addAll(componentType.getReferences()); + implementation.getProperties().addAll(componentType.getProperties()); + } + } + + implementation.setUnresolved(false); + } + + public void write(EJBImplementation implementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write <implementation.ejb> + writeStart(writer, IMPLEMENTATION_EJB.getNamespaceURI(), IMPLEMENTATION_EJB.getLocalPart(), + new XAttr("ejb-link", implementation.getEJBLink())); + + writeEnd(writer); + } +} |