SAX2SAX.java Source code

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Here is the source code for SAX2SAX.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the  "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * $Id: SAX2SAX.java 470245 2006-11-02 06:34:33Z minchau $
 */

/**
 *  Replicate the SimpleTransform sample, explicitly using the SAX model to handle the
 *  stylesheet, the XML input, and the transformation.
 */

import java.io.FileOutputStream;
import java.io.IOException;

import javax.xml.transform.Result;
import javax.xml.transform.Templates;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.sax.SAXSource;
import javax.xml.transform.sax.SAXTransformerFactory;
import javax.xml.transform.sax.TemplatesHandler;
import javax.xml.transform.sax.TransformerHandler;

import org.apache.xml.serializer.Serializer;
import org.apache.xml.serializer.SerializerFactory;
import org.apache.xml.serializer.OutputPropertiesFactory;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;

public class SAX2SAX {
    public static void main(String[] args)
            throws TransformerException, TransformerConfigurationException, SAXException, IOException {

        // Instantiate a TransformerFactory.
        TransformerFactory tFactory = TransformerFactory.newInstance();
        // Determine whether the TransformerFactory supports The use of SAXSource 
        // and SAXResult
        if (tFactory.getFeature(SAXSource.FEATURE) && tFactory.getFeature(SAXResult.FEATURE)) {
            // Cast the TransformerFactory.
            SAXTransformerFactory saxTFactory = ((SAXTransformerFactory) tFactory);
            // Create a ContentHandler to handle parsing of the stylesheet.
            TemplatesHandler templatesHandler = saxTFactory.newTemplatesHandler();

            // Create an XMLReader and set its ContentHandler.
            XMLReader reader = XMLReaderFactory.createXMLReader();
            reader.setContentHandler(templatesHandler);

            // Parse the stylesheet.                       
            reader.parse("birds.xsl");

            //Get the Templates object from the ContentHandler.
            Templates templates = templatesHandler.getTemplates();
            // Create a ContentHandler to handle parsing of the XML source.  
            TransformerHandler handler = saxTFactory.newTransformerHandler(templates);
            // Reset the XMLReader's ContentHandler.
            reader.setContentHandler(handler);

            // Set the ContentHandler to also function as a LexicalHandler, which
            // includes "lexical" events (e.g., comments and CDATA). 
            reader.setProperty("http://xml.org/sax/properties/lexical-handler", handler);

            FileOutputStream fos = new FileOutputStream("birds.out");

            java.util.Properties xmlProps = OutputPropertiesFactory.getDefaultMethodProperties("xml");
            xmlProps.setProperty("indent", "yes");
            xmlProps.setProperty("standalone", "no");
            Serializer serializer = SerializerFactory.getSerializer(xmlProps);
            serializer.setOutputStream(fos);

            // Set the result handling to be a serialization to the file output stream.
            Result result = new SAXResult(serializer.asContentHandler());
            handler.setResult(result);

            // Parse the XML input document.
            reader.parse("birds.xml");

            System.out.println("************* The result is in birds.out *************");
        } else
            System.out.println("The TransformerFactory does not support SAX input and SAX output");
    }
}