1 /* 2 * $Id: ObjectToXml.java 19250 2010-08-30 16:53:14Z dirk.olmes $ 3 * -------------------------------------------------------------------------------------- 4 * Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com 5 * 6 * The software in this package is published under the terms of the CPAL v1.0 7 * license, a copy of which has been included with this distribution in the 8 * LICENSE.txt file. 9 */ 10 11 package org.mule.module.xml.transformer; 12 13 import org.mule.api.MuleMessage; 14 import org.mule.api.transformer.TransformerException; 15 import org.mule.transformer.types.DataTypeFactory; 16 17 /** 18 * <code>ObjectToXml</code> converts any object to XML using Xstream. Xstream uses 19 * some clever tricks so objects that get marshalled to XML do not need to implement 20 * any interfaces including Serializable and you don't even need to specify a default 21 * constructor. If <code>MuleMessage</code> is configured as a source type on this 22 * transformer by calling <code>setAcceptMuleMessage(true)</code> then the MuleMessage 23 * will be serialised. This is useful for transports such as TCP where the message 24 * headers would normally be lost. 25 */ 26 27 public class ObjectToXml extends AbstractXStreamTransformer 28 { 29 30 public ObjectToXml() 31 { 32 this.registerSourceType(DataTypeFactory.OBJECT); 33 this.setReturnDataType(DataTypeFactory.STRING); 34 } 35 36 public boolean isAcceptMuleMessage() 37 { 38 return this.sourceTypes.contains(MULE_MESSAGE_DATA_TYPE); 39 } 40 41 public void setAcceptMuleMessage(boolean value) 42 { 43 if (value) 44 { 45 this.registerSourceType(DataTypeFactory.MULE_MESSAGE); 46 } 47 else 48 { 49 this.unregisterSourceType(DataTypeFactory.MULE_MESSAGE); 50 } 51 } 52 53 @Override 54 public Object transformMessage(MuleMessage message, String outputEncoding) throws TransformerException 55 { 56 Object src = message.getPayload(); 57 /* 58 * If the MuleMessage source type has been registered that we can assume that 59 * the whole message is to be serialised to Xml, not just the payload. This 60 * can be useful for protocols such as tcp where the protocol does not 61 * support headers, thus the whole messgae needs to be serialized 62 */ 63 if (this.isAcceptMuleMessage()) 64 { 65 src = message; 66 } 67 return this.getXStream().toXML(src); 68 } 69 }