001 /**
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one or more
004 * contributor license agreements. See the NOTICE file distributed with
005 * this work for additional information regarding copyright ownership.
006 * The ASF licenses this file to You under the Apache License, Version 2.0
007 * (the "License"); you may not use this file except in compliance with
008 * the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018 package org.apache.camel.impl;
019
020 import org.apache.camel.Exchange;
021 import org.apache.camel.Consumer;
022 import org.apache.camel.Endpoint;
023 import org.apache.camel.Processor;
024 import org.apache.camel.spi.ExceptionHandler;
025 import org.apache.camel.util.ServiceHelper;
026
027 /**
028 * @version $Revision: 541323 $
029 */
030 public class DefaultConsumer<E extends Exchange> extends ServiceSupport implements Consumer<E> {
031 private Endpoint<E> endpoint;
032 private Processor processor;
033 private ExceptionHandler exceptionHandler;
034
035 public DefaultConsumer(Endpoint<E> endpoint, Processor processor) {
036 this.endpoint = endpoint;
037 this.processor = processor;
038 }
039
040 @Override
041 public String toString() {
042 return "Consumer on " + endpoint;
043 }
044
045
046 public Endpoint<E> getEndpoint() {
047 return endpoint;
048 }
049
050 public Processor getProcessor() {
051 return processor;
052 }
053
054 public ExceptionHandler getExceptionHandler() {
055 if (exceptionHandler == null) {
056 exceptionHandler = new LoggingExceptionHandler(getClass());
057 }
058 return exceptionHandler;
059 }
060
061 public void setExceptionHandler(ExceptionHandler exceptionHandler) {
062 this.exceptionHandler = exceptionHandler;
063 }
064
065 protected void doStop() throws Exception {
066 ServiceHelper.stopServices(processor);
067 }
068
069 protected void doStart() throws Exception {
070 ServiceHelper.startServices(processor);
071 }
072
073 /**
074 * Handles the given exception using the {@link #getExceptionHandler()}
075 *
076 * @param t the exception to handle
077 */
078 protected void handleException(Throwable t) {
079 getExceptionHandler().handleException(t);
080 }
081 }