00001 /* 00002 * Copyright (C) 2011 Google Inc. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 00005 * use this file except in compliance with the License. You may obtain a copy of 00006 * the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 00012 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 00013 * License for the specific language governing permissions and limitations under 00014 * the License. 00015 */ 00016 00017 package org.ros.internal.message.service; 00018 00019 import org.ros.internal.message.DefaultMessageFactory; 00020 import org.ros.internal.message.DefaultMessageInterfaceClassProvider; 00021 import org.ros.internal.message.MessageProxyFactory; 00022 import org.ros.message.MessageDeclaration; 00023 import org.ros.message.MessageDefinitionProvider; 00024 import org.ros.message.MessageFactory; 00025 00029 public class ServiceResponseMessageFactory implements MessageFactory { 00030 00031 private final ServiceDescriptionFactory serviceDescriptionFactory; 00032 private final MessageFactory messageFactory; 00033 private final MessageProxyFactory messageProxyFactory; 00034 00035 public ServiceResponseMessageFactory(MessageDefinitionProvider messageDefinitionProvider) { 00036 serviceDescriptionFactory = new ServiceDescriptionFactory(messageDefinitionProvider); 00037 messageFactory = new DefaultMessageFactory(messageDefinitionProvider); 00038 messageProxyFactory = 00039 new MessageProxyFactory(new DefaultMessageInterfaceClassProvider(), messageFactory); 00040 } 00041 00042 @Override 00043 public <T> T newFromType(String serviceType) { 00044 ServiceDescription serviceDescription = serviceDescriptionFactory.newFromType(serviceType); 00045 MessageDeclaration messageDeclaration = 00046 MessageDeclaration.of(serviceDescription.getResponseType(), 00047 serviceDescription.getResponseDefinition()); 00048 return messageProxyFactory.newMessageProxy(messageDeclaration); 00049 } 00050 }