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.PollingConsumer; 021 import org.apache.camel.spi.ExceptionHandler; 022 023 /** 024 * A useful base class for implementations of {@link PollingConsumer} 025 * 026 * @version $Revision: 749201 $ 027 */ 028 public abstract class PollingConsumerSupport extends ServiceSupport implements PollingConsumer { 029 private final Endpoint endpoint; 030 private ExceptionHandler exceptionHandler; 031 032 public PollingConsumerSupport(Endpoint endpoint) { 033 this.endpoint = endpoint; 034 } 035 036 @Override 037 public String toString() { 038 return "PullConsumer on " + endpoint; 039 } 040 041 public Endpoint getEndpoint() { 042 return endpoint; 043 } 044 045 public ExceptionHandler getExceptionHandler() { 046 if (exceptionHandler == null) { 047 exceptionHandler = new LoggingExceptionHandler(getClass()); 048 } 049 return exceptionHandler; 050 } 051 052 public void setExceptionHandler(ExceptionHandler exceptionHandler) { 053 this.exceptionHandler = exceptionHandler; 054 } 055 056 /** 057 * Handles the given exception using the {@link #getExceptionHandler()} 058 * 059 * @param t the exception to handle 060 */ 061 protected void handleException(Throwable t) { 062 getExceptionHandler().handleException(t); 063 } 064 }