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- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999 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 acknowlegement:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowlegement may appear in the software itself,
- * if and wherever such third-party acknowlegements normally appear.
- *
- * 4. The names "The Jakarta Project", "Tomcat", 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 names without prior written
- * permission of the Apache Group.
- *
- * 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. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-
- //package org.apache.tools.ant.taskdefs;
-
- import org.apache.tools.ant.Task;
- import java.net.*;
- import java.io.*;
- import org.apache.xalan.xslt.*;
-
- /**
- * Task to call the XSLT processor Xalan (part of xml.apache.org), which converts xml files
- * from a source to an output using a stylesheet file
- *
- * <p>
- * This task can take the following arguments:
- * <ul>
- * <li>infile
- * <li>xsltfile
- * <li>outfile
- * <li>smart
- * </ul>
- * <p>
- * Of these arguments, <b>infile, outfile</b> and <b>xsltfile</b> are required.
- * smart defaults to 'no'. The other allowed value is 'yes'. If smart is set to 'yes'
- * xalan is only called if either the outfile is older than the infile or the stylesheet
- * or the outfile doesn't exist.
- * <p>
- * @author Fotis Jannidis <a href="mailto:fotis@jannidis.de">fotis@jannidis.de</a>
- */
-
-
- public class Xslt extends Task {
- private String infile, outfile, xsltfile;
- private String smart = "no"; //defaults to do conversion everytime task is called
-
-
- /**
- * Calls Xalan and does the transformation
- *
- */
-
- private void transform(String xmlSourceURL, String xslURL, String outputURL)
- throws java.io.IOException,
- java.net.MalformedURLException,
- org.xml.sax.SAXException {
-
- // Use XSLTProcessor to instantiate an XSLTProcessor.
- org.apache.xalan.xslt.XSLTProcessor processor =
- org.apache.xalan.xslt.XSLTProcessorFactory.getProcessor();
-
- // Create the 3 objects the XSLTProcessor needs to perform the transformation.
- org.apache.xalan.xslt.XSLTInputSource xmlSource =
- new org.apache.xalan.xslt.XSLTInputSource (infile);
- org.apache.xalan.xslt.XSLTInputSource xslSheet =
- new org.apache.xalan.xslt.XSLTInputSource (xsltfile);
- org.apache.xalan.xslt.XSLTResultTarget xmlResult =
- new org.apache.xalan.xslt.XSLTResultTarget (outfile);
-
- // Perform the transformation.
- System.out.println("============================");
- System.out.println("xslt \nin: " + infile + "\nstyle: " + xsltfile + "\nout: " + outfile);
- System.out.println("============================");
- processor.process(xmlSource, xslSheet, xmlResult);
-
- }
-
- /**
- * Sets the input file
- *
- */
- public void setInfile (String infile) {
- this.infile = infile;
- }
-
- /**
- * Sets the stylesheet file
- *
- */
- public void setXsltfile (String xsltfile) {
- this.xsltfile = xsltfile;
- }
-
- /**
- * Sets the output file
- *
- */
- public void setOutfile (String outfile) {
- this.outfile = outfile;
- }
-
- /**
- * Sets the value for smart
- *
- * @param option valid values:
- * <ul>
- * <li>yes: check whether output file is older than input or stylesheet
- * <li>no: (default) do conversion everytime task is called
- * </ul>
- */
- public void setSmart (String smart) {
- this.smart = smart;
- }
-
-
- /**
- * Catches the errors transform() can throw and
- * returns meaningfull error messages
- */
- private void startTransform () {
- try {
- transform (infile,xsltfile,outfile);
- } catch (org.xml.sax.SAXException saxerror) {
- System.out.println("SAX Error: " + saxerror);
- } catch (MalformedURLException urlerror) {
- System.out.println("URL Error: " + urlerror);
- } catch (IOException ioerror) {
- System.out.println("IO Error: " + ioerror);
- }
- }
-
- /**
- * Main method, which is called by ant.
- * Checks for the value of smart and calls startTransform accordingly
- */
- public void execute () throws org.apache.tools.ant.BuildException {
- if (smart.equals("no")) {
- startTransform();
- } else if (smart.equals("yes")) {
- File outfileF = new File (outfile);
- //checks for existence of output file
- if (outfileF.exists()) {
- //checks whether output file is older than input file or xslt stylesheet file
- if ((outfileF.lastModified() < new File(infile).lastModified()) | (outfileF.lastModified() < new
- File(xsltfile).lastModified())) {
- startTransform();
- }
- } else {
- startTransform();
- }
- //returns error message, if smart has another value as 'yes' or 'no'
- } else {
- System.err.println("Error: Allowed values for the attribute smart are 'yes' or 'no'");
- }
-
- }
- //quick access for debugging
- //usage XSLT infile xsltfile outfile (smart is 'yes')
- /*
- public static void main (String args[]) {
- Xslt xslt = new Xslt();
- xslt.setInfile(args[0]);
- xslt.setXsltfile(args[1]);
- xslt.setOutfile(args[2]);
- xslt.setSmart("yes");
- xslt.execute();
- }
- */
-
- }
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