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.Exchange; 021 import org.apache.camel.Processor; 022 import org.apache.camel.processor.DelegateProcessor; 023 import org.apache.camel.util.ServiceHelper; 024 025 /** 026 * An interceptor which provides the processing logic as a pluggable processor 027 * which allows the {@link #proceed(Exchange)} method to be called at some point 028 * 029 * @version $Revision: 1.1 $ 030 */ 031 public class Interceptor extends DelegateProcessor { 032 private Processor interceptorLogic; 033 034 public Interceptor() { 035 } 036 037 public Interceptor(Processor interceptorLogic) { 038 this.interceptorLogic = interceptorLogic; 039 } 040 041 public void process(Exchange exchange) throws Exception { 042 interceptorLogic.process(exchange); 043 } 044 045 public Processor getInterceptorLogic() { 046 return interceptorLogic; 047 } 048 049 public void setInterceptorLogic(Processor interceptorLogic) { 050 this.interceptorLogic = interceptorLogic; 051 } 052 053 @Override 054 protected void doStart() throws Exception { 055 ServiceHelper.startService(interceptorLogic); 056 super.doStart(); 057 } 058 059 @Override 060 protected void doStop() throws Exception { 061 ServiceHelper.stopService(interceptorLogic); 062 super.doStop(); 063 } 064 }