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Diffstat (limited to 'sca-java-1.x/tags/1.6.1-TUSCANY-3909/implementation-jee/src/main/java/org/apache/tuscany/sca/implementation/jee/xml/JEEImplementationProcessor.java')
| -rw-r--r-- | sca-java-1.x/tags/1.6.1-TUSCANY-3909/implementation-jee/src/main/java/org/apache/tuscany/sca/implementation/jee/xml/JEEImplementationProcessor.java | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6.1-TUSCANY-3909/implementation-jee/src/main/java/org/apache/tuscany/sca/implementation/jee/xml/JEEImplementationProcessor.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/implementation-jee/src/main/java/org/apache/tuscany/sca/implementation/jee/xml/JEEImplementationProcessor.java new file mode 100644 index 0000000000..83b56cf990 --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/implementation-jee/src/main/java/org/apache/tuscany/sca/implementation/jee/xml/JEEImplementationProcessor.java @@ -0,0 +1,330 @@ +/* + * 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.jee.xml; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; + +import java.net.URI; + +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.Composite; +import org.apache.tuscany.sca.assembly.xml.Constants; +import org.apache.tuscany.sca.assembly.xml.PolicyAttachPointProcessor; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.jee.EjbModuleInfo; +import org.apache.tuscany.sca.contribution.jee.ExternalEarInfo; +import org.apache.tuscany.sca.contribution.jee.JavaEEApplicationInfo; +import org.apache.tuscany.sca.contribution.jee.JavaEEExtension; +import org.apache.tuscany.sca.contribution.jee.JavaEEOptionalExtension; +import org.apache.tuscany.sca.contribution.jee.ModelObject; +import org.apache.tuscany.sca.contribution.jee.WebModuleInfo; +import org.apache.tuscany.sca.contribution.jee.impl.EjbModuleInfoImpl; +import org.apache.tuscany.sca.contribution.jee.impl.JavaEEApplicationInfoImpl; +import org.apache.tuscany.sca.contribution.jee.impl.ModelObjectImpl; +import org.apache.tuscany.sca.contribution.jee.impl.WebModuleInfoImpl; +import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint; +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.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.implementation.jee.JEEImplementation; +import org.apache.tuscany.sca.implementation.jee.JEEImplementationFactory; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.policy.PolicyFactory; + +/** + * Implements a StAX artifact processor for JEE implementations. + * + * @version $Rev$ $Date$ + */ +public class JEEImplementationProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<JEEImplementation> { + private static final QName IMPLEMENTATION_JEE = new QName(Constants.SCA10_NS, "implementation.jee"); + + private AssemblyFactory assemblyFactory; + private PolicyFactory policyFactory; + private JEEImplementationFactory implementationFactory; + private JavaEEExtension jeeExtension; + private JavaEEOptionalExtension jeeOptionalExtension; + private Monitor monitor; + private PolicyAttachPointProcessor policyProcessor; + + private StAXArtifactProcessorExtensionPoint artifactProcessors; + private StAXArtifactProcessor<Composite> compositeProcessor; + + public JEEImplementationProcessor(ExtensionPointRegistry registry, + Monitor monitor) { + ModelFactoryExtensionPoint modelFactories = registry.getExtensionPoint(ModelFactoryExtensionPoint.class); + this.assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + this.policyFactory = modelFactories.getFactory(PolicyFactory.class); + this.implementationFactory = modelFactories.getFactory(JEEImplementationFactory.class); + this.jeeExtension = modelFactories.getFactory(JavaEEExtension.class); + this.jeeOptionalExtension = modelFactories.getFactory(JavaEEOptionalExtension.class); + this.monitor = monitor; + this.policyProcessor = new PolicyAttachPointProcessor(policyFactory); + + artifactProcessors = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + compositeProcessor = artifactProcessors.getProcessor(Composite.class); + } + + public QName getArtifactType() { + // Returns the QName of the XML element processed by this processor + return IMPLEMENTATION_JEE; + } + + public Class<JEEImplementation> getModelType() { + // Returns the type of model processed by this processor + return JEEImplementation.class; + } + + public JEEImplementation read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + + // Read an <implementation.jee> element + JEEImplementation implementation = implementationFactory.createJEEImplementation(); + implementation.setUnresolved(true); + + // Read the archive attribute + String archive = getString(reader, "archive"); + if (archive != null) { + implementation.setArchive(archive); + + // Set the URI of the component type + implementation.setURI(archive); + } + + // the resulting implementation (composite) will be cached by the CompositeModelResolver + // based on it's name so we need to derive a unique name for this implementation based + // on the name of the archive that it represents + String path = URI.create(archive).getPath(); + String localName = "impl-jee-current-dir-archive"; + if (path != null){ + int s = path.lastIndexOf('/'); + if (s > -1){ + localName = path.substring(s + 1); + } else { + if (path.length() > 0 && !path.equals(".")){ + localName = path; + } + } + } + + QName name = new QName(Constants.SCA10_TUSCANY_NS, localName); + implementation.setName(name); + + // Read policies + policyProcessor.readPolicies(implementation, reader); + + // Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && IMPLEMENTATION_JEE.equals(reader.getName())) { + break; + } + } + + return implementation; + } + + public void resolve(JEEImplementation implementation, ModelResolver resolver) throws ContributionResolveException { + // Resolve the component type + String uri = implementation.getURI(); + String archive = implementation.getArchive(); + if (uri != null) { + Object moduleInfo = null; + ExternalEarInfo extEar = null; + if(uri.equals("")) { + if(moduleInfo == null) { + WebModuleInfo unresolved = new WebModuleInfoImpl(); + unresolved.setUri(URI.create(archive)); + WebModuleInfo resolved = resolver.resolveModel(WebModuleInfo.class, unresolved); + if(unresolved != resolved) { + moduleInfo = resolved; + } + } + if(moduleInfo == null) { + EjbModuleInfo unresolved = new EjbModuleInfoImpl(); + unresolved.setUri(URI.create(archive)); + EjbModuleInfo resolved = resolver.resolveModel(EjbModuleInfo.class, unresolved); + if(unresolved != resolved) { + moduleInfo = resolved; + } + } + if(moduleInfo == null) { + JavaEEApplicationInfo unresolved = new JavaEEApplicationInfoImpl(); + unresolved.setUri(URI.create(archive)); + JavaEEApplicationInfo resolved = resolver.resolveModel(JavaEEApplicationInfo.class, unresolved); + if(unresolved != resolved) { + moduleInfo = resolved; + } + } + } else if(uri.endsWith(".war")) { + WebModuleInfo webModuleInfo = new WebModuleInfoImpl(); + webModuleInfo.setUri(URI.create(archive)); + webModuleInfo = resolver.resolveModel(WebModuleInfo.class, webModuleInfo); + moduleInfo = webModuleInfo; + } else if(uri.endsWith(".jar")) { + EjbModuleInfo ejbModuleInfo = new EjbModuleInfoImpl(); + ejbModuleInfo.setUri(URI.create(archive)); + ejbModuleInfo = resolver.resolveModel(EjbModuleInfo.class, ejbModuleInfo); + moduleInfo = ejbModuleInfo; + } else if(uri.endsWith(".ear")) { + final JavaEEApplicationInfo appInfo = new JavaEEApplicationInfoImpl(); + appInfo.setUri(URI.create(archive)); + ExternalEarInfo unresolved = new ExternalEarInfo() { + public JavaEEApplicationInfo getAppInfo() { + return appInfo; + } + public Composite getAppComposite() { + return null; + }}; + + ExternalEarInfo resolved = resolver.resolveModel(ExternalEarInfo.class, unresolved); + if(resolved != unresolved) { + extEar = resolved; + } + moduleInfo = resolved.getAppInfo(); + } + + if(moduleInfo instanceof WebModuleInfo) { + // Check for web composite + ModelObject unresolved = new ModelObjectImpl(); + unresolved.setUri(URI.create("WEB-INF/web.composite")); + ModelObject resolved = resolver.resolveModel(ModelObject.class, unresolved); + if(resolved != unresolved) { + // Found web composite so the war itself must have been the contribution + Composite appComposite = (Composite)resolved.getObject(); + mergeCompositeInfo(appComposite, implementation); + } + + // TODO: Obtain includeDefaults value from the composite + boolean includeDefaults = false; + + if(includeDefaults || resolved == unresolved) { + // there is either no application composite or we are ignoring it as the + // war is nested inside another contribution + if(jeeOptionalExtension != null) { + jeeOptionalExtension.createImplementationJeeComposite((WebModuleInfo)moduleInfo, implementation); + } + // now resolve the implementation composite as a real composite. + compositeProcessor.resolve((Composite)implementation, resolver); + } + } else if(moduleInfo instanceof EjbModuleInfo) { + // Check for ejb-jar composite + ModelObject unresolved = new ModelObjectImpl(); + unresolved.setUri(URI.create("META-INF/ejb-jar.composite")); + ModelObject resolved = resolver.resolveModel(ModelObject.class, unresolved); + if(resolved != unresolved) { + // Found ejb-jar composite so the ejb jar itself must have been the contribution + Composite appComposite = (Composite)resolved.getObject(); + mergeCompositeInfo(appComposite, implementation); + } + + // TODO: Obtain includeDefaults value from the composite + boolean includeDefaults = false; + + if(includeDefaults || resolved == unresolved) { + if(jeeExtension != null) { + jeeExtension.createImplementationJeeComposite((EjbModuleInfo)moduleInfo, implementation); + + } + if(jeeOptionalExtension != null) { + jeeOptionalExtension.createImplementationJeeComposite((EjbModuleInfo)moduleInfo, implementation); + } + // now resolve the implementation composite as a real composite. + compositeProcessor.resolve((Composite)implementation, resolver); + } + } else if(moduleInfo instanceof JavaEEApplicationInfo) { + // Check for application composite + Composite appComposite = null; + if(extEar != null) { + appComposite = extEar.getAppComposite(); + } else { + ModelObject unresolved = new ModelObjectImpl(); + unresolved.setUri(URI.create("META-INF/application.composite")); + ModelObject resolved = resolver.resolveModel(ModelObject.class, unresolved); + if(resolved != unresolved) { + // Found application composite + appComposite = (Composite)resolved.getObject(); + } + } + + if(appComposite != null) { + // Found application composite so copy it's details across into + // the implementation (which is itself a composite) + mergeCompositeInfo(appComposite, implementation); + } + + // TODO: Obtain includeDefaults value from the composite + boolean includeDefaults = false; + + if(includeDefaults || appComposite == null) { + if(jeeExtension != null) { + jeeExtension.createImplementationJeeComposite((JavaEEApplicationInfo)moduleInfo, implementation); + } + if(jeeOptionalExtension != null) { + jeeOptionalExtension.createImplementationJeeComposite((JavaEEApplicationInfo)moduleInfo, implementation); + } + // now resolve the implementation composite as a real composite. + compositeProcessor.resolve((Composite)implementation, resolver); + } + } + + // we could have resolved the whole implementation composite here except that + // it messes up the resolvers associated with the + } + implementation.setUnresolved(false); + } + + private void mergeCompositeInfo(Composite fromComposite, Composite intoComposite){ + intoComposite.getApplicablePolicySets().addAll(fromComposite.getApplicablePolicySets()); + intoComposite.getAttributeExtensions().addAll(fromComposite.getAttributeExtensions()); + intoComposite.setAutowire(fromComposite.getAutowire()); + intoComposite.getComponents().addAll(fromComposite.getComponents()); + intoComposite.setConstrainingType(fromComposite.getConstrainingType()); + intoComposite.getExtensions().addAll(fromComposite.getExtensions()); + intoComposite.setLocal(fromComposite.isLocal()); + intoComposite.getIncludes().addAll(fromComposite.getIncludes()); + intoComposite.setName(fromComposite.getName()); + intoComposite.getPolicySets().addAll(fromComposite.getPolicySets()); + intoComposite.getProperties().addAll(fromComposite.getProperties()); + intoComposite.getReferences().addAll(fromComposite.getReferences()); + intoComposite.getRequiredIntents().addAll(fromComposite.getRequiredIntents()); + intoComposite.getServices().addAll(fromComposite.getServices()); + intoComposite.setType(fromComposite.getType()); + intoComposite.setUnresolved(fromComposite.isUnresolved()); + intoComposite.setURI(fromComposite.getURI()); + intoComposite.getWires().addAll(fromComposite.getWires()); + } + + public void write(JEEImplementation implementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write <implementation.jee> + writeStart(writer, IMPLEMENTATION_JEE.getNamespaceURI(), IMPLEMENTATION_JEE.getLocalPart(), + new XAttr("archive", implementation.getArchive())); + + policyProcessor.writePolicyAttributes(implementation, writer); + writeEnd(writer); + } +} |