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 }