diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta1-RC1/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiImplementationProcessor.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC1/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiImplementationProcessor.java | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC1/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiImplementationProcessor.java b/sca-java-2.x/tags/2.0-Beta1-RC1/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiImplementationProcessor.java deleted file mode 100644 index d98616cbc2..0000000000 --- a/sca-java-2.x/tags/2.0-Beta1-RC1/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiImplementationProcessor.java +++ /dev/null @@ -1,342 +0,0 @@ -/* - * 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.net.URI; -import java.net.URL; -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.ProcessorContext; -import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; -import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; -import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint; -import org.apache.tuscany.sca.contribution.resolver.ClassReference; -import org.apache.tuscany.sca.contribution.resolver.ModelResolver; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -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.implementation.osgi.OSGiProperty; -import org.apache.tuscany.sca.implementation.osgi.ServiceDescription; -import org.apache.tuscany.sca.implementation.osgi.ServiceDescriptions; -import org.apache.tuscany.sca.implementation.osgi.ServiceDescriptionsFactory; -import org.apache.tuscany.sca.interfacedef.Interface; -import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; -import org.apache.tuscany.sca.interfacedef.java.JavaInterface; -import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract; -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.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 static final String BUNDLE_COMPONENT_TYPE = "OSGI-INF/sca/bundle.componentType"; - private static final String COMPONENT_TYPE_HEADER = "SCA-ComponentType"; - - private AssemblyFactory assemblyFactory; - private ServiceDescriptionsFactory serviceDescriptionsFactory; - private OSGiImplementationFactory osgiImplementationFactory; - private JavaInterfaceFactory javaInterfaceFactory; - - private ExtensionPointRegistry registry; - private StAXArtifactProcessor artifactProcessor; - - protected OSGiImplementationProcessor(FactoryExtensionPoint modelFactories) { - this.serviceDescriptionsFactory = modelFactories.getFactory(ServiceDescriptionsFactory.class); - this.assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); - this.osgiImplementationFactory = modelFactories.getFactory(OSGiImplementationFactory.class); - this.javaInterfaceFactory = modelFactories.getFactory(JavaInterfaceFactory.class); - } - - public OSGiImplementationProcessor(ExtensionPointRegistry registry, StAXArtifactProcessor processor) { - this(registry.getExtensionPoint(FactoryExtensionPoint.class)); - this.artifactProcessor = processor; - this.registry = registry; - } - - /** - * Report a error. - * - * @param problems - * @param message - * @param model - */ - private void error(Monitor monitor, 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, ProcessorContext context) 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, ProcessorContext context) throws ContributionResolveException { - - if (impl == null || !impl.isUnresolved()) - return; - Monitor monitor = context.getMonitor(); - impl.setUnresolved(false); - - BundleContext bundleContext = OSGiImplementationActivator.getBundleContext(); - if (bundleContext == null) { - // FIXME: What if the OSGi is not started - return; - } - 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(monitor, "CouldNotLocateOSGiBundle", impl, impl.getBundleSymbolicName()); - //throw new ContributionResolveException("Could not locate OSGi bundle " + - //impl.getBundleSymbolicName()); - return; - } - - try { - if (introspect(impl, resolver, context, bundle)) { - return; - } - } catch (ContributionReadException e) { - throw new ContributionResolveException(e); - } - - // The bundle may be different from the current contribution - ComponentType componentType = assemblyFactory.createComponentType(); - // Try to find a bundle.componentType for the target bundle - componentType.setURI("OSGI-INF/sca/" + bundle.getSymbolicName() + "/bundle.componentType"); - componentType.setUnresolved(true); - componentType = resolver.resolveModel(ComponentType.class, componentType, context); - if (componentType.isUnresolved()) { - // Create a new instance to prevent it being treated as reentry - // See org.apache.tuscany.sca.contribution.resolver.ExtensibleModelResolver.resolveModel(Class<T>, T) - componentType = assemblyFactory.createComponentType(); - // Try a generic one - componentType.setURI(BUNDLE_COMPONENT_TYPE); - componentType = resolver.resolveModel(ComponentType.class, componentType, context); - } - if (componentType.isUnresolved()) { - // Try to derive it from the service descriptions - if (!deriveFromServiceDescriptions(impl, resolver, context)) { - error(monitor, "MissingComponentTypeFile", impl, componentType.getURI()); - } - //throw new ContributionResolveException("missing .componentType side file " + ctURI); - return; - } else { - mergeFromComponentType(impl, componentType, resolver, context); - } - } - - private boolean deriveFromServiceDescriptions(OSGiImplementation impl, ModelResolver resolver, ProcessorContext context) - throws ContributionResolveException { - // FIXME: How to find the RFC 119 service descriptions in the contribution and - // derive the SCA component type from them? - ServiceDescriptions descriptions = serviceDescriptionsFactory.createServiceDescriptions(); - descriptions = resolver.resolveModel(ServiceDescriptions.class, descriptions, context); - if (descriptions != null && !descriptions.isEmpty()) { - ComponentType ct = assemblyFactory.createComponentType(); - int index = 0; - for (ServiceDescription ds : descriptions) { - for (String i : ds.getInterfaces()) { - Class<?> cls = getJavaClass(resolver, i, context); - JavaInterface javaInterface; - try { - javaInterface = javaInterfaceFactory.createJavaInterface(cls); - } catch (InvalidInterfaceException e) { - throw new ContributionResolveException(e); - } - Reference reference = assemblyFactory.createReference(); - JavaInterfaceContract contract = javaInterfaceFactory.createJavaInterfaceContract(); - contract.setInterface(javaInterface); - reference.setInterfaceContract(contract); - String refName = (String)ds.getProperties().get(OSGiProperty.SCA_REFERENCE); - if (refName == null) { - refName = "ref" + (index++); - } - reference.setName(refName); - reference.setUnresolved(false); - ct.getReferences().add(reference); - } - } - mergeFromComponentType(impl, ct, resolver, context); - return true; - } - return false; - } - - private void mergeFromComponentType(OSGiImplementation impl, ComponentType componentType, ModelResolver resolver, ProcessorContext context) { - 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(), context)); - } - if (service.getInterfaceContract().getCallbackInterface() instanceof JavaInterface) { - JavaInterface callbackInterface = - (JavaInterface)service.getInterfaceContract().getCallbackInterface(); - if (callbackInterface.getJavaClass() == null) { - callbackInterface.setJavaClass(getJavaClass(resolver, callbackInterface.getName(), context)); - } - } - - 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(), context)); - } - impl.getReferences().add(reference); - } else - impl.getReferences().add(reference); - } - - List<Property> properties = componentType.getProperties(); - for (Property property : properties) { - impl.getProperties().add(property); - } - } - - private Class<?> getJavaClass(ModelResolver resolver, String className, ProcessorContext context) { - ClassReference ref = new ClassReference(className); - ref = resolver.resolveModel(ClassReference.class, ref, context); - return ref.getJavaClass(); - } - - public void write(OSGiImplementation model, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, - XMLStreamException { - String ns = IMPLEMENTATION_OSGI.getNamespaceURI(); - writer.writeStartElement(ns, IMPLEMENTATION_OSGI.getLocalPart()); - writer.writeAttribute(BUNDLE_SYMBOLICNAME, model.getBundleSymbolicName()); - if (model.getBundleVersion() != null) { - writer.writeAttribute(BUNDLE_VERSION, model.getBundleVersion()); - } - writer.writeEndElement(); - } - - private boolean introspect(OSGiImplementation implementation, ModelResolver resolver, ProcessorContext context, Bundle bundle) - throws ContributionReadException, ContributionResolveException { - String componentTypeFile = (String)bundle.getHeaders().get(COMPONENT_TYPE_HEADER); - if (componentTypeFile == null) { - componentTypeFile = BUNDLE_COMPONENT_TYPE; - } - URL url = bundle.getEntry(componentTypeFile); - if (url != null) { - URLArtifactProcessorExtensionPoint processors = - registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); - URLArtifactProcessor<ComponentType> processor = processors.getProcessor(ComponentType.class); - ComponentType componentType = processor.read(null, URI.create(BUNDLE_COMPONENT_TYPE), url, context); - artifactProcessor.resolve(componentType, resolver, context); - mergeFromComponentType(implementation, componentType, resolver, context); - return true; - } - return false; - } - -} |