diff options
Diffstat (limited to 'sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/context/OSGiAnnotations.java')
| -rw-r--r-- | sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/context/OSGiAnnotations.java | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/context/OSGiAnnotations.java b/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/context/OSGiAnnotations.java deleted file mode 100644 index 33c790585c..0000000000 --- a/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/context/OSGiAnnotations.java +++ /dev/null @@ -1,325 +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.context; - - -import java.lang.reflect.Method; -import java.security.AccessController; -import java.security.PrivilegedAction; -import java.util.ArrayList; -import java.util.Hashtable; - -import org.apache.tuscany.sca.assembly.AssemblyFactory; -import org.apache.tuscany.sca.context.RequestContextFactory; -import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; -import org.apache.tuscany.sca.core.invocation.ProxyFactory; -import org.apache.tuscany.sca.core.scope.Scope; -import org.apache.tuscany.sca.implementation.java.DefaultJavaImplementationFactory; -import org.apache.tuscany.sca.implementation.java.IntrospectionException; -import org.apache.tuscany.sca.implementation.java.JavaImplementation; -import org.apache.tuscany.sca.implementation.java.JavaImplementationFactory; -import org.apache.tuscany.sca.implementation.java.impl.JavaScopeImpl; -import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory; -import org.apache.tuscany.sca.implementation.java.introspect.JavaClassVisitor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.AllowsPassByReferenceProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.BaseJavaClassVisitor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.ComponentNameProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.ConstructorProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.ContextProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.ConversationProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.DestroyProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.EagerInitProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.HeuristicPojoProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.InitProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.PolicyProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.PropertyProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.ReferenceProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.ResourceProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.ServiceProcessor; -import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; -import org.apache.tuscany.sca.policy.PolicyFactory; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.osgi.framework.Bundle; - - -/** - * OSGi annotation processing - * OSGi bundles are not introspected by OSGiImplementation when a component is created. - * Instead if the list of implementation classes is specified in <implementation.osgi/>, - * the classes are introspected when the bundle is resolved. The classes are loaded using - * the bundle ClassLoader, and hence the delay in annotation processing is inevitable. - * There is one other difference compared to implementation.java. While instances (and - * the instance class) are associated with a component in Java, all Java annotations from - * the component implementation class apply to all the component instances. In OSGi, - * instances are associated with services, and a bundle can register multiple services. - * Hence annotations from classes need to be stored separately so that the right ones - * can be associated with the service instance. - * - * @version $Rev$ $Date$ - */ -public class OSGiAnnotations { - - private Scope scope = Scope.COMPOSITE; - private boolean isEagerInit; - - private String[] classList; - - private Bundle[] bundles; - - private RuntimeComponent runtimeComponent; - private JavaPropertyValueObjectFactory propertyValueFactory; - private ProxyFactory proxyFactory; - - private JavaImplementationFactory javaImplementationFactory; - private JavaInterfaceFactory javaInterfaceFactory; - private PolicyFactory policyFactory; - private RequestContextFactory requestContextFactory; - - private Hashtable<Class<?>, JavaImplementation> javaAnnotationInfo = - new Hashtable<Class<?>, JavaImplementation>(); - private Hashtable<JavaImplementation, OSGiPropertyInjector> propertyInjectors = - new Hashtable<JavaImplementation, OSGiPropertyInjector>(); - - private long maxAge = -1; - private long maxIdleTime = -1; - - private boolean annotationsProcessed; - - - - public OSGiAnnotations(ModelFactoryExtensionPoint modelFactories, - String[] classList, - RuntimeComponent runtimeComponent, - JavaPropertyValueObjectFactory propertyValueFactory, - ProxyFactory proxyFactory, - RequestContextFactory requestContextFactory, - Bundle mainBundle, - ArrayList<Bundle> dependentBundles) { - - - this.classList = classList; - this.runtimeComponent = runtimeComponent; - this.propertyValueFactory = propertyValueFactory; - this.proxyFactory = proxyFactory; - - AssemblyFactory assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); - this.javaInterfaceFactory = modelFactories.getFactory(JavaInterfaceFactory.class); - this.javaImplementationFactory = createJavaImplementationFactory(assemblyFactory); - this.policyFactory = modelFactories.getFactory(PolicyFactory.class); - - bundles = new Bundle[dependentBundles.size() + 1]; - bundles[0] = mainBundle; - for (int i = 0; i < dependentBundles.size(); i++) - bundles[i + 1] = dependentBundles.get(i); - - } - - - public void processAnnotations() throws IntrospectionException { - - if (annotationsProcessed) - return; - annotationsProcessed = true; - for (String className : classList) { - for (Bundle bundle : bundles) { - try { - Class<?> clazz = bundle.loadClass(className); - - processAnnotations(clazz); - - break; - - } catch (ClassNotFoundException e) { - } - } - } - } - - - public void injectProperties(Object instance) { - JavaImplementation javaImpl = getAnnotationInfo(instance); - if (javaImpl != null) { - OSGiPropertyInjector injector = propertyInjectors.get(javaImpl); - if (injector != null) - injector.injectProperties(instance); - } - } - - - public Scope getScope() { - return scope; - } - - - - public boolean isAllowsPassByReference(Object instance, Method method) { - - JavaImplementation javaImpl = getAnnotationInfo(instance); - if (javaImpl == null) { - return false; - } - if (javaImpl.isAllowsPassByReference()) { - return true; - } - return javaImpl.isAllowsPassByReference(method); - } - - - public boolean isEagerInit() { - return isEagerInit; - } - - public long getMaxAge() { - return maxAge; - } - - public long getMaxIdleTime() { - return maxIdleTime; - } - - public Method getInitMethod(Object instance) { - JavaImplementation javaImpl = getAnnotationInfo(instance); - return javaImpl == null? null : javaImpl.getInitMethod(); - } - - - public Method getDestroyMethod(Object instance) { - JavaImplementation javaImpl = getAnnotationInfo(instance); - return javaImpl == null? null : javaImpl.getDestroyMethod(); - } - - - /* - * Get the annotation corresponding to an instance - * - */ - private JavaImplementation getAnnotationInfo(final Object instance) { - - // The simplest case where the implementation class was listed under the - // classes attribute of <implementation.osgi/>, or this is the second call - // to this method for the implementation class. - // Allow privileged access to get classloader. Requires getClassLoader in security policy. - JavaImplementation javaImpl = AccessController.doPrivileged(new PrivilegedAction<JavaImplementation>() { - public JavaImplementation run() { - return javaAnnotationInfo.get(instance.getClass()); - } - }); - if (javaImpl != null) - return javaImpl; - - // Process annotations from the instance class. - try { - return processAnnotations(instance.getClass()); - } catch (IntrospectionException e) { - // e.printStackTrace(); - } - - return null; - } - - - private JavaImplementation processAnnotations(Class<?> clazz) - throws IntrospectionException { - - JavaImplementation javaImpl = javaImplementationFactory.createJavaImplementation(clazz); - - javaAnnotationInfo.put(clazz, javaImpl); - - OSGiPropertyInjector propertyInjector = new OSGiPropertyInjector( - javaImpl, runtimeComponent, propertyValueFactory, proxyFactory, requestContextFactory); - - propertyInjectors.put(javaImpl, propertyInjector); - - if (javaImpl.isEagerInit()) - isEagerInit = true; - if (javaImpl.getMaxAge() != -1) - maxAge = javaImpl.getMaxAge(); - if (javaImpl.getMaxIdleTime() != -1) - maxIdleTime = javaImpl.getMaxIdleTime(); - if (javaImpl.getJavaScope() != JavaScopeImpl.COMPOSITE) - scope = new Scope(javaImpl.getJavaScope().getScope()); - - return javaImpl; - } - - - - - private JavaImplementationFactory createJavaImplementationFactory(AssemblyFactory assemblyFactory) { - JavaImplementationFactory javaImplementationFactory = new DefaultJavaImplementationFactory(); - - // Create the list of class visitors - BaseJavaClassVisitor[] extensions = - new BaseJavaClassVisitor[] { - new ConstructorProcessor(assemblyFactory), - new AllowsPassByReferenceProcessor(assemblyFactory), - new ComponentNameProcessor(assemblyFactory), - new ContextProcessor(assemblyFactory), - new ConversationProcessor(assemblyFactory), - new DestroyProcessor(assemblyFactory), - new EagerInitProcessor(assemblyFactory), - new InitProcessor(assemblyFactory), - new PropertyProcessor(assemblyFactory), - new ReferenceProcessor(assemblyFactory, javaInterfaceFactory), - new ResourceProcessor(assemblyFactory), - new OSGiScopeProcessor(assemblyFactory), - new ServiceProcessor(assemblyFactory, javaInterfaceFactory), - new HeuristicPojoProcessor(assemblyFactory, javaInterfaceFactory), - new PolicyProcessor(assemblyFactory, policyFactory)}; - for (JavaClassVisitor extension : extensions) { - javaImplementationFactory.addClassVisitor(extension); - } - - return javaImplementationFactory; - } - - private class OSGiScopeProcessor extends BaseJavaClassVisitor { - - public OSGiScopeProcessor(AssemblyFactory factory) { - super(factory); - } - - @Override - public <T> void visitClass(Class<T> clazz, - JavaImplementation type) - throws IntrospectionException { - org.osoa.sca.annotations.Scope annotation = clazz.getAnnotation(org.osoa.sca.annotations.Scope.class); - if (annotation == null) { - type.setJavaScope(JavaScopeImpl.COMPOSITE); - return; - } - String name = annotation.value(); - JavaScopeImpl scope; - if ("COMPOSITE".equals(name)) { - scope = JavaScopeImpl.COMPOSITE; - } else if ("SESSION".equals(name)) { - scope = JavaScopeImpl.SESSION; - } else if ("CONVERSATION".equals(name)) { - scope = JavaScopeImpl.CONVERSATION; - } else if ("REQUEST".equals(name)) { - scope = JavaScopeImpl.REQUEST; - } else { - scope = new JavaScopeImpl(name); - } - type.setJavaScope(scope); - } - } - - -} |