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.io.InputStream; 020 021 import org.apache.camel.Exchange; 022 import org.apache.camel.Message; 023 import org.apache.camel.Processor; 024 import org.apache.camel.spi.DataFormat; 025 import org.apache.camel.util.ExchangeHelper; 026 027 /** 028 * Unmarshals the body of the incoming message using the given 029 * <a href="http://activemq.apache.org/camel/data-format.html">data format</a> 030 * 031 * @version $Revision: 36321 $ 032 */ 033 public class UnmarshalProcessor implements Processor { 034 private final DataFormat dataFormat; 035 036 public UnmarshalProcessor(DataFormat dataFormat) { 037 this.dataFormat = dataFormat; 038 } 039 040 public void process(Exchange exchange) throws Exception { 041 InputStream stream = ExchangeHelper.getMandatoryInBody(exchange, InputStream.class); 042 try { 043 044 // lets setup the out message before we invoke the dataFormat 045 // so that it can mutate it if necessary 046 Message out = exchange.getOut(true); 047 out.copyFrom(exchange.getIn()); 048 049 Object result = dataFormat.unmarshal(exchange, stream); 050 out.setBody(result); 051 } finally { 052 if (null != stream) { 053 stream.close(); 054 } 055 } 056 } 057 }