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; 022 023 /** 024 * A processor which converts the payload of the input message to be of the given type 025 * <p/> 026 * If the convertions fails an {@link org.apache.camel.InvalidPayloadException} is thrown. 027 * 028 * @version $Revision: 771351 $ 029 */ 030 public class ConvertBodyProcessor implements Processor { 031 private final Class type; 032 private final String charset; 033 034 public ConvertBodyProcessor(Class type) { 035 this.type = type; 036 this.charset = null; 037 } 038 039 public ConvertBodyProcessor(Class type, String charset) { 040 this.type = type; 041 this.charset = charset; 042 } 043 044 @Override 045 public String toString() { 046 return "convertBodyTo[" + type.getCanonicalName() + "]"; 047 } 048 049 @SuppressWarnings("unchecked") 050 public void process(Exchange exchange) throws Exception { 051 Message in = exchange.getIn(); 052 if (charset != null) { 053 exchange.setProperty(Exchange.CHARSET_NAME, charset); 054 } 055 Object value = in.getMandatoryBody(type); 056 057 if (exchange.getPattern().isOutCapable()) { 058 Message out = exchange.getOut(); 059 out.copyFrom(in); 060 out.setBody(value); 061 } else { 062 in.setBody(value); 063 } 064 } 065 066 public Class getType() { 067 return type; 068 } 069 }