How to marshal data directly to java.lang.String ?(JAXB, Marshaller)

Question

The "Marshaller" interface provide some basic methods. It can marshals to a File, or a SAX ContentHandler, or a DOM Node, or a OutputStream etc...
But I just only want to marshals to a String, and then sent the String as TextMessage via JMS.
So, Is it exists a DIRECT way to do this? If NOT, I think I must marshal to a File first, then read the File into a String...
Congratulations for China-Spaceflight !
"ShenZhou NO.5" space shuttle.
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Answer 1

Here is my code
String theXMLData = null;
// Output
Marshaller thePackager = jc.createMarshaller();
thePackager.setProperty (Marshaller.JAXB_ENCODING, "GB2312");
thePackager.setProperty( Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE );
thePackager.marshal( theRootElement, System.out );          // to Console
// to String
StringWriter theStringWriter = new StringWriter (1024);     // Initial size = 1K bytes
thePackager.marshal( theRootElement, theStringWriter );     // to String
theXMLData = theStringWriter.toString();
System.out.println (theXMLData);--------------------
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