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.processor;
019
020 import org.apache.camel.Processor;
021 import org.apache.camel.impl.ServiceSupport;
022 import org.apache.camel.util.ServiceHelper;
023
024 /**
025 * @version $Revision: 519941 $
026 */
027 public class InterceptorProcessor<E> extends ServiceSupport implements Processor<E> {
028 protected Processor<E> next;
029
030 public InterceptorProcessor() {
031 }
032
033 public void process(E exchange) {
034 if (next != null) {
035 next.process(exchange);
036 }
037 }
038
039 @Override
040 public String toString() {
041 return "intercept(" + next + ")";
042 }
043
044 public Processor<E> getNext() {
045 return next;
046 }
047
048 public void setNext(Processor<E> next) {
049 this.next = next;
050 }
051
052 protected void doStart() throws Exception {
053 ServiceHelper.startServices(next);
054 }
055
056 protected void doStop() throws Exception {
057 ServiceHelper.stopServices(next);
058 }
059 }