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 }