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 */ 017 package org.apache.camel.component.restlet; 018 019 import org.apache.camel.Exchange; 020 import org.apache.camel.impl.DefaultProducer; 021 import org.apache.commons.logging.Log; 022 import org.apache.commons.logging.LogFactory; 023 import org.restlet.Client; 024 import org.restlet.Context; 025 import org.restlet.data.Request; 026 import org.restlet.data.Response; 027 028 /** 029 * A Camel producer that acts as a client to Restlet server. 030 * 031 * @version $Revision: 778399 $ 032 */ 033 public class RestletProducer extends DefaultProducer { 034 private static final Log LOG = LogFactory.getLog(RestletProducer.class); 035 private Client client; 036 037 public RestletProducer(RestletEndpoint endpoint) throws Exception { 038 super(endpoint); 039 client = new Client(endpoint.getProtocol()); 040 client.setContext(new Context()); 041 } 042 043 @Override 044 public void doStart() throws Exception { 045 super.doStart(); 046 client.start(); 047 } 048 049 @Override 050 public void doStop() throws Exception { 051 client.stop(); 052 super.doStop(); 053 } 054 055 public void process(Exchange exchange) throws Exception { 056 RestletEndpoint endpoint = (RestletEndpoint)getEndpoint(); 057 058 String resourceUri = buildUri(endpoint); 059 Request request = new Request(endpoint.getRestletMethod(), resourceUri); 060 061 RestletBinding binding = endpoint.getRestletBinding(); 062 binding.populateRestletRequestFromExchange(request, exchange); 063 064 if (LOG.isDebugEnabled()) { 065 LOG.debug("Client sends a request (method: " + request.getMethod() 066 + ", uri: " + resourceUri + ")"); 067 } 068 069 Response response = client.handle(request); 070 binding.populateExchangeFromRestletResponse(exchange, response); 071 } 072 073 private static String buildUri(RestletEndpoint endpoint) { 074 return endpoint.getProtocol() + "://" + endpoint.getHost() + ":" 075 + endpoint.getPort() + endpoint.getUriPattern(); 076 } 077 078 }