Saturday, December 1, 2007

XML to String Object

How to convert a XML file to string ?
How to conver the XML Node to String format ?.

Oh, my XML parser implementation does not have directly to convert as a String. toString() method just returns object information what to do?.

Yes, in this moment, we have to write a our own logic to convert the Node as a String object. Sun Microsystems javax.xml package serves transforming the XML document to String irrespective of the XML parser Implementation(refer JSR 5 and JSR 173 and etc.,)

Even upto individual Node level transformation is possible.

  • XML Document to String
  • XML element to String
  • XML Node to String

Import following package classses apart from your application class import and org.w3c.* package.

import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;

Write following method and conver simply your Node as String

public static String xmlToString(Node node) {
try {
Source source = new DOMSource(node);
StringWriter stringWriter = new StringWriter();
Result result = new StreamResult(stringWriter);
TransformerFactory factory = TransformerFactory.newInstance();
Transformer transformer = factory.newTransformer();
transformer.transform(source, result);
return stringWriter.getBuffer().toString();
} catch (TransformerConfigurationException e) {
} catch (TransformerException e) {
return null;

Using Oracle implementation, we can do this XMLDocument to String by giving single command.

//any of the output stream , enjoy :)


Anonymous said...

Nice one - that little sniplet was exactly what I was looking for!

Anonymous said...

Thanks, this accomplished what I've been looking into for hours!

Anonymous said...

Thank you! I just wanted to pass a string instead of nodes. Well done.

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