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Diffstat (limited to 'sandbox/event/modules/implementation-jee/src/main/java/org/apache/tuscany/sca/implementation/jee/xml/JEEImplementationProcessor.java')
-rw-r--r-- | sandbox/event/modules/implementation-jee/src/main/java/org/apache/tuscany/sca/implementation/jee/xml/JEEImplementationProcessor.java | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/sandbox/event/modules/implementation-jee/src/main/java/org/apache/tuscany/sca/implementation/jee/xml/JEEImplementationProcessor.java b/sandbox/event/modules/implementation-jee/src/main/java/org/apache/tuscany/sca/implementation/jee/xml/JEEImplementationProcessor.java new file mode 100644 index 0000000000..984cd1a5fa --- /dev/null +++ b/sandbox/event/modules/implementation-jee/src/main/java/org/apache/tuscany/sca/implementation/jee/xml/JEEImplementationProcessor.java @@ -0,0 +1,120 @@ +/* + * 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 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.xml.Constants; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +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.jee.JEEImplementation; +import org.apache.tuscany.sca.implementation.jee.JEEImplementationFactory; +import org.apache.tuscany.sca.monitor.Monitor; + +/** + * 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 JEEImplementationFactory implementationFactory; + private Monitor monitor; + + public JEEImplementationProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) { + this.assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + this.implementationFactory = modelFactories.getFactory(JEEImplementationFactory.class); + this.monitor = monitor; + } + + 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); + } + + // 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(); + if (uri != null) { + 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(JEEImplementation implementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write <implementation.jee> + writeStart(writer, IMPLEMENTATION_JEE.getNamespaceURI(), IMPLEMENTATION_JEE.getLocalPart(), + new XAttr("archive", implementation.getArchive())); + + writeEnd(writer); + } +} |