From 9425990f532b1152c2d73db96c0f07ef5216a3d1 Mon Sep 17 00:00:00 2001 From: lresende Date: Thu, 12 Nov 2009 00:43:48 +0000 Subject: Moving 2.x contribs git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835178 13f79535-47bb-0310-9956-ffa450edef68 --- .../ejb/xml/EJBImplementationProcessor.java | 147 +++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 sca-java-2.x/contrib/modules/implementation-ejb/src/main/java/org/apache/tuscany/sca/implementation/ejb/xml/EJBImplementationProcessor.java (limited to 'sca-java-2.x/contrib/modules/implementation-ejb/src/main/java/org/apache/tuscany/sca/implementation/ejb/xml/EJBImplementationProcessor.java') diff --git a/sca-java-2.x/contrib/modules/implementation-ejb/src/main/java/org/apache/tuscany/sca/implementation/ejb/xml/EJBImplementationProcessor.java b/sca-java-2.x/contrib/modules/implementation-ejb/src/main/java/org/apache/tuscany/sca/implementation/ejb/xml/EJBImplementationProcessor.java new file mode 100644 index 0000000000..573bd7ef17 --- /dev/null +++ b/sca-java-2.x/contrib/modules/implementation-ejb/src/main/java/org/apache/tuscany/sca/implementation/ejb/xml/EJBImplementationProcessor.java @@ -0,0 +1,147 @@ +/* + * 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 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.contribution.processor.BaseStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; +import org.apache.tuscany.sca.contribution.processor.ContributionWriteException; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.implementation.ejb.EJBImplementation; +import org.apache.tuscany.sca.implementation.ejb.EJBImplementationFactory; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; + + +/** + * Implements a StAX artifact processor for EJB implementations. + * + * @version $Rev$ $Date$ + */ +public class EJBImplementationProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor { + private static final String SCA10_NS = "http://www.osoa.org/xmlns/sca/1.0"; + private static final QName IMPLEMENTATION_EJB = new QName(SCA10_NS, "implementation.ejb"); + + private AssemblyFactory assemblyFactory; + private EJBImplementationFactory implementationFactory; + private Monitor monitor; + + public EJBImplementationProcessor(FactoryExtensionPoint modelFactories, Monitor monitor) { + this.assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + this.implementationFactory = modelFactories.getFactory(EJBImplementationFactory.class); + this.monitor = monitor; + } + + /** + * Report a error. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = monitor.createProblem(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 getModelType() { + // Returns the type of model processed by this processor + return EJBImplementation.class; + } + + public EJBImplementation read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + + // Read an 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(); + 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(EJBImplementation implementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write + writeStart(writer, IMPLEMENTATION_EJB.getNamespaceURI(), IMPLEMENTATION_EJB.getLocalPart(), + new XAttr("ejb-link", implementation.getEJBLink())); + + writeEnd(writer); + } +} -- cgit v1.2.3