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.Message;
021    import org.apache.camel.Processor;
022    import org.apache.camel.util.ExchangeHelper;
023    import org.apache.commons.logging.Log;
024    import org.apache.commons.logging.LogFactory;
025    
026    /**
027     * A processor which converts the payload of the input message to be of the given type
028     *
029     * @version $Revision: 43862 $
030     */
031    public class ConvertBodyProcessor implements Processor {
032        private static final transient Log LOG = LogFactory.getLog(ConvertBodyProcessor.class);
033        private final Class type;
034    
035        public ConvertBodyProcessor(Class type) {
036            this.type = type;
037        }
038    
039        public void process(Exchange exchange) throws Exception {
040            Message in = exchange.getIn();
041            Object value = in.getBody(type);
042            if (value == null) {
043                LOG.warn("Could not convert body of IN message: " + in + " to type: " + type.getName());
044            }
045            if (exchange.getPattern().isOutCapable()) {
046                Message out = exchange.getOut();
047                out.copyFrom(in);
048                out.setBody(value);
049            } else {
050                in.setBody(value);
051            }
052        }
053    }