| /* |
| * 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.binding.ejb.provider; |
| |
| import org.apache.tuscany.sca.binding.ejb.EJBBinding; |
| import org.apache.tuscany.sca.binding.ejb.util.EJBHandler; |
| import org.apache.tuscany.sca.binding.ejb.util.NamingEndpoint; |
| import org.apache.tuscany.sca.interfacedef.Operation; |
| import org.apache.tuscany.sca.invocation.Invoker; |
| import org.apache.tuscany.sca.invocation.Message; |
| |
| /** |
| * EJBTargetInvoker |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class EJBBindingInvoker implements Invoker { |
| |
| private Operation operation; |
| private String location; |
| private Class serviceInterface; |
| |
| public EJBBindingInvoker(EJBBinding ejbBinding, Class serviceInterface, Operation operation) { |
| this.serviceInterface = serviceInterface; |
| this.location = ejbBinding.getURI(); |
| this.operation = operation; |
| } |
| |
| public Message invoke(Message msg) { |
| ClassLoader tccl = Thread.currentThread().getContextClassLoader(); |
| try { |
| Thread.currentThread().setContextClassLoader(serviceInterface.getClassLoader()); |
| Object resp = doInvoke(msg.getBody()); |
| msg.setBody(resp); |
| } catch (Throwable e) { |
| e.printStackTrace(); |
| msg.setFaultBody(e); |
| } finally { |
| Thread.currentThread().setContextClassLoader(tccl); |
| } |
| return msg; |
| } |
| |
| /** |
| * Invoke a EJB operation |
| * |
| * @param payload |
| * @return |
| */ |
| public Object doInvoke(final Object payload) { |
| |
| // construct NamingendPoint |
| NamingEndpoint endpoint = getNamingEndpoint(); |
| |
| // lookup home and ejb stub |
| EJBHandler ejbHandler = new EJBHandler(endpoint, serviceInterface); |
| |
| String methodName = operation.getName(); |
| |
| // invoke business method on ejb |
| Object response = ejbHandler.invoke(methodName, (Object[])payload); |
| |
| return response; |
| } |
| |
| protected NamingEndpoint getNamingEndpoint() { |
| return new NamingEndpoint(location); |
| } |
| |
| } |