| /* |
| * 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 sampleasync.impl; |
| |
| import java.lang.reflect.Method; |
| |
| import org.apache.tuscany.sca.interfacedef.java.JavaOperation; |
| import org.apache.tuscany.sca.invocation.Invoker; |
| import org.apache.tuscany.sca.invocation.InvokerAsyncRequest; |
| import org.apache.tuscany.sca.invocation.InvokerAsyncResponse; |
| import org.apache.tuscany.sca.invocation.Message; |
| |
| /** |
| * Invoker for Sample components that implement a Java interface. |
| * |
| * @version $Rev$ $Date$ |
| */ |
| class SampleJavaInvoker implements Invoker, InvokerAsyncRequest { |
| final Object instance; |
| final Method method; |
| |
| SampleJavaInvoker(final JavaOperation op, final Class<?> clazz, final Object instance) throws SecurityException, NoSuchMethodException { |
| this.instance = instance; |
| this.method = clazz.getMethod(op.getJavaMethod().getName(), op.getJavaMethod().getParameterTypes()); |
| } |
| |
| public Message invoke(final Message msg) { |
| return processRequest(msg); |
| } |
| |
| public void invokeAsyncRequest(Message msg) { |
| processRequest(msg); |
| // TODO - need to do something about exceptions |
| } |
| |
| public Message processRequest(Message msg) { |
| try { |
| // Call the method that implements the operation |
| msg.setBody(method.invoke(instance, (Object[])msg.getBody())); |
| } catch(Exception e) { |
| e.printStackTrace(); |
| msg.setFaultBody(e.getCause()); |
| } |
| return msg; |
| } |
| } |