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 java.util.List;
020    
021    import org.apache.camel.Processor;
022    import org.apache.camel.util.ServiceHelper;
023    
024    /**
025     * A processor which ensures wrapping processors is having lifecycle handled.
026     *
027     * @version 
028     */
029    public class WrapProcessor extends DelegateAsyncProcessor {
030        private final Processor wrapped;
031    
032        public WrapProcessor(Processor processor, Processor wrapped) {
033            super(processor);
034            this.wrapped = wrapped;
035        }
036    
037        @Override
038        public String toString() {
039            return "Wrap[" + wrapped + "] -> " + processor;
040        }
041    
042        @Override
043        public List<Processor> next() {
044            // must include wrapped in navigate
045            List<Processor> list = super.next();
046            list.add(wrapped);
047            return list;
048        }
049    
050        @Override
051        protected void doStart() throws Exception {
052            ServiceHelper.startService(wrapped);
053            super.doStart();
054        }
055    
056        @Override
057        protected void doStop() throws Exception {
058            super.doStop();
059            ServiceHelper.stopService(wrapped);
060        }
061    
062    }