/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xalan" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* 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/>.
*/
import java.io.IOException;
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.TransformerHandler;
import javax.xml.transform.stream.StreamSource;
import org.apache.xalan.serialize.Serializer;
import org.apache.xalan.serialize.SerializerFactory;
import org.apache.xalan.templates.OutputProperties;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;
/**
* This example shows how to chain a series of transformations by
* piping SAX events from one Transformer to another. Each Transformer
* operates as a SAX2 XMLFilter/XMLReader.
*/
public class Pipe
{
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 uf SAXSource
// and SAXResult
if (tFactory.getFeature(SAXSource.FEATURE) && tFactory.getFeature(SAXResult.FEATURE))
{
// Cast the TransformerFactory to SAXTransformerFactory.
SAXTransformerFactory saxTFactory = ((SAXTransformerFactory) tFactory);
// Create a TransformerHandler for each stylesheet.
TransformerHandler tHandler1 = saxTFactory.newTransformerHandler(new StreamSource("foo1.xsl"));
TransformerHandler tHandler2 = saxTFactory.newTransformerHandler(new StreamSource("foo2.xsl"));
TransformerHandler tHandler3 = saxTFactory.newTransformerHandler(new StreamSource("foo3.xsl"));
// Create an XMLReader.
XMLReader reader = XMLReaderFactory.createXMLReader();
reader.setContentHandler(tHandler1);
reader.setProperty("http://xml.org/sax/properties/lexical-handler", tHandler1);
tHandler1.setResult(new SAXResult(tHandler2));
tHandler2.setResult(new SAXResult(tHandler3));
// transformer3 outputs SAX events to the serializer.
Serializer serializer = SerializerFactory.getSerializer
(OutputProperties.getDefaultMethodProperties("xml"));
serializer.setOutputStream(System.out);
tHandler3.setResult(new SAXResult(serializer.asContentHandler()));
// Parse the XML input document. The input ContentHandler and output ContentHandler
// work in separate threads to optimize performance.
reader.parse("foo.xml");
}
}
}