001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.camel.component.bean; 018 019import java.lang.reflect.Proxy; 020 021import org.apache.camel.Endpoint; 022import org.apache.camel.Producer; 023import org.apache.camel.util.ServiceHelper; 024 025/** 026 * Create a dynamic proxy for a given interface and endpoint that sends the parameter object to the endpoint and optionally 027 * receives a reply. Unlike the ProxyHelper this works only with methods that have only one parameter. 028 */ 029public final class PojoProxyHelper { 030 031 private PojoProxyHelper() { 032 } 033 034 @SuppressWarnings("unchecked") 035 public static <T> T createProxy(Endpoint endpoint, Class<?>... interfaceClasses) throws Exception { 036 Producer producer = endpoint.createProducer(); 037 // ensure the producer is started 038 ServiceHelper.startService(producer); 039 return (T)Proxy.newProxyInstance(ProxyHelper.getClassLoader(interfaceClasses), interfaceClasses.clone(), new PojoMessageInvocationHandler(endpoint, producer)); 040 } 041}