samples/TransformToDom/TransformToDom.java

/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 1999 The Apache Software Foundation.  All rights
 * reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    distribution.
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 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
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 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 1999, Lotus
 * Development Corporation., http://www.lotus.com.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
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// Imported TraX classes
import org.apache.trax.Processor; 
import org.apache.trax.Templates;
import org.apache.trax.Transformer; 
import org.apache.trax.Result;
import org.apache.trax.ProcessorException; 
import org.apache.trax.ProcessorFactoryException;
import org.apache.trax.TransformException; 

// Imported java.io class
import java.io.IOException;

// Imported SAX classes
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

// Imported DOM classes
import org.w3c.dom.Document;
import org.w3c.dom.Node;

// Imported Serializer classes
import org.apache.serialize.OutputFormat;
import org.apache.serialize.Serializer;
import org.apache.serialize.SerializerFactory;

// Imported JAVA API for XML Parsing 1.0 classes
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException; 

  /**
   * Show how to transform a DOM tree into another DOM tree.  
   * This uses the javax.xml.parsers to parse an XML file into a 
   * DOM, and create an output DOM.
   */
public class TransformToDom
{
	public static void main(String[] args)
		throws SAXException, IOException, ParserConfigurationException
  {  
    Processor processor = Processor.newInstance("xslt");

    if(processor.getFeature("http://xml.org/trax/features/dom/input"))
    {
      Templates templates = processor.process(new InputSource("foo.xsl"));
      Transformer transformer = templates.newTransformer();

	  // Use an implementation of the JAVA API for XML Parsing 1.0 to
	  // create a DOM Document node to contain the result.
	  DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance();
	  dfactory.setNamespaceAware(true);
      DocumentBuilder docBuilder = dfactory.newDocumentBuilder();
      Document outNode = docBuilder.newDocument();
	  
	  // Perform the transformation, placing the output in the DOM
	  // Document Node.
      transformer.transform(new InputSource("foo.xml"), new Result(outNode));
	  
      // If also wanted to process DOM input, replace the preceding statement with
	  // the following:
      // Node doc = docBuilder.parse(new InputSource("foo.xml"));
      // transformer.transformNode(doc, new Result(outNode));
	  
	  //Instantiate an XML serializer and use it to serialize the output DOM to System.out
	  // using a default output format.
      Serializer serializer = SerializerFactory.getSerializer("xml");
      serializer.setOutputStream(System.out);
      serializer.asDOMSerializer().serialize(outNode);
	}
    else
    {
      throw new org.xml.sax.SAXNotSupportedException("DOM node processing not supported!");
    }
  }
}