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.impl; 018 019 import org.apache.camel.Endpoint; 020 import org.apache.camel.Exchange; 021 import org.apache.camel.ExchangePattern; 022 import org.apache.camel.Producer; 023 import org.apache.commons.logging.Log; 024 import org.apache.commons.logging.LogFactory; 025 026 /** 027 * A default implementation of @{link Producer} for implementation inheritence 028 * 029 * @version $Revision: 789087 $ 030 */ 031 public abstract class DefaultProducer extends ServiceSupport implements Producer { 032 private final transient Log log = LogFactory.getLog(getClass()); 033 private final Endpoint endpoint; 034 035 public DefaultProducer(Endpoint endpoint) { 036 this.endpoint = endpoint; 037 } 038 039 @Override 040 public String toString() { 041 return "Producer[" + endpoint.getEndpointUri() + "]"; 042 } 043 044 public Endpoint getEndpoint() { 045 return endpoint; 046 } 047 048 public Exchange createExchange() { 049 return endpoint.createExchange(); 050 } 051 052 public Exchange createExchange(ExchangePattern pattern) { 053 return endpoint.createExchange(pattern); 054 } 055 056 public Exchange createExchange(Exchange exchange) { 057 return endpoint.createExchange(exchange); 058 } 059 060 public boolean isSingleton() { 061 return true; 062 } 063 064 protected void doStart() throws Exception { 065 if (log.isDebugEnabled()) { 066 log.debug("Starting producer: " + this); 067 } 068 } 069 070 protected void doStop() throws Exception { 071 if (log.isDebugEnabled()) { 072 log.debug("Stopping producer: " + this); 073 } 074 } 075 }