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Helper class for JDOM operations

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/**
 * Common XML manipulations.
 *
 * @author jabba
 */

import java.io.IOException;
import java.io.StringReader;

import org.jdom.Document;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import org.jdom.output.Format;
import org.jdom.output.XMLOutputter;

public class XmlManip 
{
   /**
    * Take a JDOM XML Document and convert it to
    * a pretty-formatted String.
    *
    * @param doc A JDOM XML Document.
    * @return The XML as a nicely formatted String.
    */
   public static String makePrettyXml(Document doc)
   {
      XMLOutputter outp = new XMLOutputter(Format.getPrettyFormat()
                                                 .setOmitDeclaration(true));
      return outp.outputString(doc);
   }

   /**
    * Make an ugly XML pretty.
    *
    * @param xml Ugly XML.
    * @return Pretty XML.
    */
   public static String makePrettyXml(String xml)
   {
      Document doc = parseXmlToJdomDocument(xml);

      return makePrettyXml(doc);
   }

   /**
    * Take an XML as a String and build a JDOM Document
    * from it.
    *
    * @param xml An XML as a string.
    * @return JDOM document of the string.
    */
   public static Document parseXmlToJdomDocument(String xml)
   {
      SAXBuilder parser = new SAXBuilder();
      Document doc = null;

      try {
         doc = parser.build(new StringReader(xml));
      }
      catch (JDOMException e) {
         e.printStackTrace();
      }
      catch (IOException e) {
         e.printStackTrace();
      }

      return doc;
   }

}  // class XmlManip