xalan-j_2_4_0-bin

/* * 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 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/>. */ package servlet; import java.io.*; import java.util.*; import javax.servlet.*; import javax.servlet.http.*; import java.net.URL; import java.net.MalformedURLException; import java.net.URLConnection; import javax.xml.transform.OutputKeys; import org.apache.xalan.templates.Constants; import org.apache.xalan.templates.StylesheetRoot; import org.apache.xalan.templates.OutputProperties; // SAX2 Imports import org.xml.sax.ContentHandler; import org.xml.sax.SAXException; import org.xml.sax.XMLReader; import org.xml.sax.Locator; import org.xml.sax.helpers.XMLReaderFactory; import org.xml.sax.ext.DeclHandler; import org.xml.sax.ext.LexicalHandler; import org.xml.sax.SAXNotRecognizedException; import org.xml.sax.SAXNotSupportedException; import org.w3c.dom.*; import javax.xml.transform.*; import javax.xml.transform.stream.*; import javax.xml.transform.sax.SAXTransformerFactory; import org.apache.xalan.transformer.TransformerImpl; import org.apache.xpath.objects.XObject; import org.apache.xpath.objects.XString; import org.apache.xalan.processor.*; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import org.xml.sax.XMLReader; import org.xml.sax.helpers.XMLReaderFactory; import org.xml.sax.helpers.XMLFilterImpl; /***************************************************************************************************** * * ApplyXSLT supplies the basic * functions for transforming XML data using XSL stylesheets. * * @author Spencer Shepard (sshepard@us.ibm.com) * @author R. Adam King (rak@us.ibm.com) * @author Tom Rowe (trowe@us.ibm.com) * @author Don Leslie (donald_leslie@lotus.com) * *****************************************************************************************************/ public class ApplyXSLT extends HttpServlet { /** * Operational parameters for this class. * <p>Request-time values override init-time values which override class defaults.</p> * @see #init * @serial */ protected ApplyXSLTProperties ourDefaultParameters = null; private boolean useDefaultTemplates = false; private Templates defaultTemplates = null; /** * String representing the end of line characters for the System. */ public final static String EOL = System.getProperty("line.separator"); /** * String representing the file separator characters for the System. */ public final static String FS = System.getProperty("file.separator"); /** * String representing the current directory for properties files. See init(). */ public final static String ROOT = System.getProperty("server.root"); public static String CURRENTDIR; /** * Initialize operational parameters from the configuration. * @param config Configuration * @exception ServletException Never thrown */ public void init(ServletConfig config) throws ServletException { super.init(config); // If the server.root property --see above-- is null, use current working directory // as default location for media.properties. if (ROOT != null) CURRENTDIR= ROOT + FS + "servlets" + FS; else CURRENTDIR = System.getProperty("user.dir")+ FS; setDefaultParameters(config); setMediaProps(config.getInitParameter("mediaURL")); String defaultXSL = config.getInitParameter("xslURL"); try { if (defaultXSL !=null && defaultXSL.length() > 0) compileXSL(defaultXSL); } catch (Exception e){} } /** * If a default setting exists for xslURL, create a Templates object * for rapid transformations. */ protected void compileXSL(String defaultXSL) throws TransformerConfigurationException { TransformerFactory tFactory = TransformerFactory.newInstance(); defaultTemplates = tFactory.newTemplates(new StreamSource(defaultXSL)); useDefaultTemplates = true; } /** * Sets the default parameters for the servlet from the configuration. * Also sets required system properties until we figure out why servlet * sometimess fails to read properties from properties files. * @param config Configuration */ protected void setDefaultParameters(ServletConfig config) { ourDefaultParameters = new DefaultApplyXSLTProperties(config); } /** * Loads the media properties file specified by the given string. * @param mediaURLstring Location of the media properties file. Can be either a full URL or a path relative * to the System's server.root /servlets directory. If this parameter is null, * server.root/servlets/media.properties will be used. * @see ApplyXSL#CURRENTDIR */ protected void setMediaProps(String mediaURLstring) { if (mediaURLstring != null) { URL url = null; try { url = new URL(mediaURLstring); } catch (MalformedURLException mue1) { try { url = new URL("file", "", CURRENTDIR + mediaURLstring); } catch (MalformedURLException mue2) { writeLog("Unable to find the media properties file based on parameter 'mediaURL' = " + mediaURL