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<h2>The problem</h2> <p>The default <strong>Object to XML</strong> transformer only supports the <strong>alias</strong> annotation for classes:</p> <pre><code><mulexml:object-to-xml-transformer doc:name="Object to XML"> <mulexml:alias name="myAlias" class="com.my.package.MyClass"/> </mulexml:object-to-xml-transformer> </code></pre> <p>and ignores every other annotation. There is a already an <a href="http://www.mulesoft.org/jira/browse/MULE-6364" rel="nofollow">issue</a> since July 2012 on the official bug tracker, but it's unresolved until now.</p> <h2>Solution: Custom XML to Object transformer</h2> <h3>1. Create the transformer</h3> <p>Create a custom transformer in Java which extends <code>AbstractMessageTransformer</code>:</p> <pre><code>public class ObjectToXml extends AbstractMessageTransformer { public Object transformMessage(MuleMessage message, String outputEncoding) throws TransformerException { XStream xstream = new XStream(); // The payload should be the object to transform into XML Object object = message.getPayload(); // Register all annotations in the XStream instance xstream.processAnnotations(object.getClass()); // Convert the object to XML and set it as payload message.setPayload(xstream.toXML(object)); return message; } } </code></pre> <h3>2. Use the custom transformer in your Mule flow</h3> <p>Add a <strong>Java Transfromer</strong> (not Java Component) to your flow:</p> <pre><code><custom-transformer class="com.my.package.ObjectToXml" doc:name="Object to XML"/> </code></pre> <p>That's it! </p>
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1. POHow to use XStream in Mule?
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1. USTimPietrusky
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1. COThank you. I don't have the code to try it out since I have moved on to other projects. But seems reasonably. /Ziggy
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2. CO@ZiggyStardust maybe someone else will find this useful!
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