diff options
Diffstat (limited to 'sandbox/ant/sca/tags/2.0-M2/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiImplementationProcessor.java')
-rw-r--r-- | sandbox/ant/sca/tags/2.0-M2/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiImplementationProcessor.java | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/sandbox/ant/sca/tags/2.0-M2/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiImplementationProcessor.java b/sandbox/ant/sca/tags/2.0-M2/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiImplementationProcessor.java new file mode 100644 index 0000000000..b3ecc240cc --- /dev/null +++ b/sandbox/ant/sca/tags/2.0-M2/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiImplementationProcessor.java @@ -0,0 +1,244 @@ +/* + * 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.osgi.xml; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; +import static org.apache.tuscany.sca.implementation.osgi.OSGiImplementation.BUNDLE_SYMBOLICNAME; +import static org.apache.tuscany.sca.implementation.osgi.OSGiImplementation.BUNDLE_VERSION; +import static org.apache.tuscany.sca.implementation.osgi.OSGiImplementation.IMPLEMENTATION_OSGI; + +import java.util.List; + +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.Reference; +import org.apache.tuscany.sca.assembly.Service; +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.ClassReference; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.implementation.osgi.OSGiImplementation; +import org.apache.tuscany.sca.implementation.osgi.OSGiImplementationFactory; +import org.apache.tuscany.sca.interfacedef.Interface; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.osgi.framework.Bundle; +import org.osgi.framework.BundleContext; +import org.osgi.framework.Constants; +import org.osgi.framework.Version; + +/** + * + * Process an <implementation.osgi/> element in a component definition. An instance of + * OSGiImplementation is created. + * Also associates the component type file with the implementation. + * + * @version $Rev$ $Date$ + */ +public class OSGiImplementationProcessor implements StAXArtifactProcessor<OSGiImplementation> { + private AssemblyFactory assemblyFactory; + // private FactoryExtensionPoint modelFactories; + private OSGiImplementationFactory osgiImplementationFactory; + private Monitor monitor; + + public OSGiImplementationProcessor(FactoryExtensionPoint modelFactories, Monitor monitor) { + this.monitor = monitor; + // this.modelFactories = modelFactories; + this.assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + this.osgiImplementationFactory = modelFactories.getFactory(OSGiImplementationFactory.class); + } + + /** + * 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-osgi-validation-messages", + Severity.ERROR, + model, + message, + (Object[])messageParameters); + monitor.problem(problem); + } + } + + public QName getArtifactType() { + return IMPLEMENTATION_OSGI; + } + + public Class<OSGiImplementation> getModelType() { + return OSGiImplementation.class; + } + + public OSGiImplementation read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + assert IMPLEMENTATION_OSGI.equals(reader.getName()); + + String bundleSymbolicName = reader.getAttributeValue(null, BUNDLE_SYMBOLICNAME); + String bundleVersion = reader.getAttributeValue(null, BUNDLE_VERSION); + + OSGiImplementation implementation = osgiImplementationFactory.createOSGiImplementation(); + implementation.setBundleSymbolicName(bundleSymbolicName); + implementation.setBundleVersion(bundleVersion); + + implementation.setUnresolved(true); + + // Skip to the end of <implementation.osgi> + while (reader.hasNext()) { + int next = reader.next(); + switch (next) { + case START_ELEMENT: + break; + case END_ELEMENT: + if (IMPLEMENTATION_OSGI.equals(reader.getName())) { + return implementation; + } + break; + } + } + return implementation; + } + + public void resolve(OSGiImplementation impl, ModelResolver resolver) throws ContributionResolveException { + + if (impl == null || !impl.isUnresolved()) + return; + + impl.setUnresolved(false); + + BundleContext bundleContext = OSGiImplementationActivator.getBundleContext(); + Bundle bundle = null; + for (Bundle b : bundleContext.getBundles()) { + String sn = b.getSymbolicName(); + String ver = (String)b.getHeaders().get(Constants.BUNDLE_VERSION); + if (!impl.getBundleSymbolicName().equals(sn)) { + continue; + } + Version v1 = Version.parseVersion(ver); + Version v2 = Version.parseVersion(impl.getBundleVersion()); + if (v1.equals(v2)) { + bundle = b; + break; + } + } + if (bundle != null) { + impl.setBundle(bundle); + } else { + error("CouldNotLocateOSGiBundle", impl, impl.getBundleSymbolicName()); + //throw new ContributionResolveException("Could not locate OSGi bundle " + + //impl.getBundleSymbolicName()); + return; + } + + ComponentType componentType = assemblyFactory.createComponentType(); + componentType.setURI("OSGI-INF/sca/bundle.componentType"); + componentType.setUnresolved(true); + componentType = resolver.resolveModel(ComponentType.class, componentType); + if (componentType.isUnresolved()) { + error("MissingComponentTypeFile", impl, componentType.getURI()); + //throw new ContributionResolveException("missing .componentType side file " + ctURI); + return; + } + + List<Service> services = componentType.getServices(); + for (Service service : services) { + Interface interfaze = service.getInterfaceContract().getInterface(); + if (interfaze instanceof JavaInterface) { + JavaInterface javaInterface = (JavaInterface)interfaze; + if (javaInterface.getJavaClass() == null) { + javaInterface.setJavaClass(getJavaClass(resolver, javaInterface.getName())); + } + if (service.getInterfaceContract().getCallbackInterface() instanceof JavaInterface) { + JavaInterface callbackInterface = + (JavaInterface)service.getInterfaceContract().getCallbackInterface(); + if (callbackInterface.getJavaClass() == null) { + callbackInterface.setJavaClass(getJavaClass(resolver, callbackInterface.getName())); + } + } + + impl.getServices().add(service); + } + } + + List<Reference> references = componentType.getReferences(); + for (Reference reference : references) { + Interface interfaze = reference.getInterfaceContract().getInterface(); + if (interfaze instanceof JavaInterface) { + JavaInterface javaInterface = (JavaInterface)interfaze; + if (javaInterface.getJavaClass() == null) { + javaInterface.setJavaClass(getJavaClass(resolver, javaInterface.getName())); + } + impl.getReferences().add(reference); + } else + impl.getReferences().add(reference); + } + + List<Property> properties = componentType.getProperties(); + for (Property property : properties) { + impl.getProperties().add(property); + } + impl.setConstrainingType(componentType.getConstrainingType()); + + } + + private Class getJavaClass(ModelResolver resolver, String className) { + ClassReference ref = new ClassReference(className); + ref = resolver.resolveModel(ClassReference.class, ref); + return ref.getJavaClass(); + } + + public void write(OSGiImplementation model, XMLStreamWriter outputSource) throws ContributionWriteException, + XMLStreamException { + + //FIXME Implement this method + } + + private QName getQNameValue(XMLStreamReader reader, String value) { + if (value != null) { + int index = value.indexOf(':'); + String prefix = index == -1 ? "" : value.substring(0, index); + String localName = index == -1 ? value : value.substring(index + 1); + String ns = reader.getNamespaceContext().getNamespaceURI(prefix); + if (ns == null) { + ns = ""; + } + return new QName(ns, localName, prefix); + } else { + return null; + } + } + +} |