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.processor; 018 019 import org.apache.camel.Exchange; 020 import org.apache.camel.Processor; 021 import org.apache.camel.util.ServiceHelper; 022 023 /** 024 * An interceptor which provides the processing logic as a pluggable processor 025 * which allows the {@link #proceed(Exchange)} method to be called at some point 026 * 027 * @version $Revision: 36321 $ 028 */ 029 public class Interceptor extends DelegateProcessor { 030 private Processor interceptorLogic; 031 032 public Interceptor() { 033 } 034 035 public Interceptor(Processor interceptorLogic) { 036 this.interceptorLogic = interceptorLogic; 037 } 038 039 public void process(Exchange exchange) throws Exception { 040 interceptorLogic.process(exchange); 041 } 042 043 public Processor getInterceptorLogic() { 044 return interceptorLogic; 045 } 046 047 public void setInterceptorLogic(Processor interceptorLogic) { 048 this.interceptorLogic = interceptorLogic; 049 } 050 051 @Override 052 protected void doStart() throws Exception { 053 ServiceHelper.startService(interceptorLogic); 054 super.doStart(); 055 } 056 057 @Override 058 protected void doStop() throws Exception { 059 ServiceHelper.stopService(interceptorLogic); 060 super.doStop(); 061 } 062 }