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: 674383 $
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 }