Convert Document to String ? (Java 1.3 compatible)

Hi folks,
hope you can help me out. I'm trying to convert a Document to String and my code must be compatible with Java 1.3.
Using Java 1.5 this code is working:
public static String string_output(Document doc){
          String content = "";
          try{
               //Console output
               TransformerFactory tranFactory = TransformerFactory.newInstance();
               Transformer aTransformer = tranFactory.newTransformer();
               Source src = new DOMSource(doc);
               StringWriter stringWriterOutput=new StringWriter();
               Result dest = new StreamResult(stringWriterOutput);
               aTransformer.transform(src,dest);
               content = stringWriterOutput.toString();
          catch (Exception e){
               System.out.println(e.getMessage());
          return contenat;
     }     But I can't use this code in Java 1.3. What can I do (except using a higher Java version)

I think the default transform is the only standard way of converting a Document to a String.
Xerces has a class that does the job: org.apache.xml.serialize.DOMSerializer

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