JAXPTransletMultipleTransformations.java Source code

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Here is the source code for JAXPTransletMultipleTransformations.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: JAXPTransletMultipleTransformations.java 470245 2006-11-02 06:34:33Z minchau $
 */
import java.io.FileNotFoundException;
import java.io.FileOutputStream;

import java.util.Properties;

import javax.xml.transform.Templates;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

/**
 * Using the TrAX/JAXP 1.1 interface to compile a translet and use it 
 * to perform multiple transformations. The translet implements 
 * the Templates interface. If you want to use the translet to perform a 
 * single transformation, see JAXPTransletOneTransformation.java.
 * 
 * 
 * @author Donald Leslie
 */
public class JAXPTransletMultipleTransformations {
    static void doTransform(Templates translet, String xmlInURI, String htmlOutURI)
            throws TransformerException, FileNotFoundException {
        // For each transformation, instantiate a new Transformer, and perform
        // the transformation from a StreamSource to a StreamResult;
        Transformer transformer = translet.newTransformer();
        transformer.transform(new StreamSource(xmlInURI), new StreamResult(new FileOutputStream(htmlOutURI)));
    }

    public static void main(String argv[]) {
        // Set the TransformerFactory system property to generate and use translets.
        // Note: To make this sample more flexible, load properties from a properties file.
        // The setting for the Xalan Transformer is "org.apache.xalan.processor.TransformerFactoryImpl"
        String key = "javax.xml.transform.TransformerFactory";
        String value = "org.apache.xalan.xsltc.trax.TransformerFactoryImpl";
        Properties props = System.getProperties();
        props.put(key, value);

        System.setProperties(props);

        String xslInURI = "todo.xsl";

        try {
            // Instantiate the TransformerFactory, and use it along with a SteamSource
            // XSL stylesheet to create a translet as a Templates object.
            TransformerFactory tFactory = TransformerFactory.newInstance();
            Templates translet = tFactory.newTemplates(new StreamSource(xslInURI));

            // Perform each transformation
            doTransform(translet, "todo.xml", "todo.html");
            System.out.println("Produced todo.html");

            doTransform(translet, "todotoo.xml", "todotoo.html");
            System.out.println("Produced todotoo.html");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}