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    }