| /* |
| * 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.openejb.core.interceptor; |
| |
| import org.apache.openejb.core.Operation; |
| import org.apache.openejb.core.ThreadContext; |
| import org.apache.openejb.util.proxy.DynamicProxyImplFactory; |
| |
| import javax.interceptor.InvocationContext; |
| import java.lang.reflect.Method; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * @version $Rev$ $Date$ |
| */ |
| public class InterceptorStack { |
| private final Object beanInstance; |
| private final List<Interceptor> interceptors; |
| private final Method targetMethod; |
| private final Operation operation; |
| |
| public InterceptorStack(final Object beanInstance, final Method targetMethod, final Operation operation, final List<InterceptorData> interceptorDatas, final Map<String, Object> interceptorInstances) { |
| if (interceptorDatas == null) { |
| throw new NullPointerException("interceptorDatas is null"); |
| } |
| if (interceptorInstances == null) { |
| throw new NullPointerException("interceptorInstances is null"); |
| } |
| this.beanInstance = beanInstance; |
| this.targetMethod = targetMethod; |
| this.operation = operation; |
| |
| interceptors = new ArrayList<>(interceptorDatas.size()); |
| |
| for (final InterceptorData interceptorData : interceptorDatas) { |
| final Class interceptorClass = interceptorData.getInterceptorClass(); |
| final Object interceptorInstance = interceptorInstances.get(interceptorClass.getName()); |
| if (interceptorInstance == null) { |
| throw new IllegalArgumentException("No interceptor of type " + interceptorClass.getName()); |
| } |
| |
| final Set<Method> methods = interceptorData.getMethods(operation); |
| for (final Method method : methods) { |
| final Interceptor interceptor; |
| final Object handler = DynamicProxyImplFactory.realHandler(interceptorInstance); |
| if (handler != null && method.getDeclaringClass().equals(handler.getClass())) { // dynamic impl |
| interceptor = new Interceptor(handler, method); |
| } else { |
| interceptor = new Interceptor(interceptorInstance, method); |
| } |
| interceptors.add(interceptor); |
| } |
| } |
| |
| } |
| |
| public InvocationContext createInvocationContext(final Object... parameters) { |
| return new ReflectionInvocationContext(operation, interceptors, beanInstance, targetMethod, parameters); |
| } |
| |
| public Object invoke(final Object... parameters) throws Exception { |
| try { |
| final InvocationContext invocationContext = createInvocationContext(parameters); |
| if (ThreadContext.getThreadContext() != null) { |
| ThreadContext.getThreadContext().set(InvocationContext.class, invocationContext); |
| } |
| return invocationContext.proceed(); |
| } finally { |
| if (ThreadContext.getThreadContext() != null) { |
| ThreadContext.getThreadContext().remove(InvocationContext.class); |
| } |
| } |
| } |
| |
| public Object invoke(final javax.xml.ws.handler.MessageContext messageContext, final Object... parameters) throws Exception { |
| try { |
| final InvocationContext invocationContext = new JaxWsInvocationContext(operation, interceptors, beanInstance, targetMethod, messageContext, parameters); |
| ThreadContext.getThreadContext().set(InvocationContext.class, invocationContext); |
| return invocationContext.proceed(); |
| } finally { |
| ThreadContext.getThreadContext().remove(InvocationContext.class); |
| } |
| } |
| |
| public Object invoke(final javax.xml.rpc.handler.MessageContext messageContext, final Object... parameters) throws Exception { |
| try { |
| final InvocationContext invocationContext = new JaxRpcInvocationContext(operation, interceptors, beanInstance, targetMethod, messageContext, parameters); |
| ThreadContext.getThreadContext().set(InvocationContext.class, invocationContext); |
| return invocationContext.proceed(); |
| } finally { |
| ThreadContext.getThreadContext().remove(InvocationContext.class); |
| } |
| } |
| } |