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2909
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harris
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/**
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* '$RCSfile$'
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* Copyright: 2003 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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*
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* Author: John Harris
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* '$Date$'
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* '$Revision$'
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacat.spatial;
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import java.io.*;
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import java.net.URL;
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import java.net.MalformedURLException;
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import java.sql.*;
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import java.util.Enumeration;
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import java.util.Hashtable;
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import java.util.Stack;
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import javax.xml.transform.TransformerFactory;
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import javax.xml.transform.Transformer;
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import javax.xml.transform.stream.StreamSource;
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import javax.xml.transform.stream.StreamResult;
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import javax.xml.transform.TransformerException;
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import javax.xml.transform.TransformerConfigurationException;
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import javax.xml.transform.URIResolver;
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import org.apache.xerces.parsers.DOMParser;
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import org.w3c.dom.Attr;
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import org.w3c.dom.NamedNodeMap;
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import org.w3c.dom.NodeList;
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import org.w3c.dom.Document;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import org.w3c.dom.DocumentType;
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import org.xml.sax.SAXException;
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import org.xml.sax.InputSource;
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import org.apache.xerces.dom.DocumentTypeImpl;
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import org.apache.xpath.XPathAPI;
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import org.w3c.dom.NamedNodeMap;
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import org.w3c.dom.Document;
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import org.w3c.dom.Node;
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import org.w3c.dom.Element;
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import org.xml.sax.SAXException;
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//import edu.ucsb.nceas.utilities.IOUtil;
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/**
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* A Class that transforms XML documents utitlizing XSL style sheets. This is
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* a convenience class that makes it easier to handle the location of
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* stylesheets and the mapping between a request and a particular stylesheet.
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*/
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public class XSLTransform {
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/**
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* Private constructor because all methids are static and do not need
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* an instance.
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*/
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public XSLTransform()
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{
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}
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/**
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* Transform an XML document using an XSLT stylesheet to another format,
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* probably HTML or another XML document format.
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*
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* @param docString the document to be transformed
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* @param xslSystemId the system location of the stylesheet
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* @param pw the PrintWriter to which output is printed
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* @param params some parameters for inclusion to the transformation
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*/
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public static void transform(String docString, String xslSystemId,
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PrintWriter pw, Hashtable param)
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{
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transform(new StringReader(docString), xslSystemId, pw, param);
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}
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/**
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* Transform an XML document using an XSLT stylesheet to another format,
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* probably HTML or another XML document format.
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*
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* @param doc the document to be transformed
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* @param xslSystemId the system location of the stylesheet
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* @param pw the PrintWriter to which output is printed
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* @param params some parameters for inclusion to the transformation
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*/
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public static void transform(Reader doc, String xslSystemId,
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PrintWriter pw, Hashtable param)
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{
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try {
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StreamSource xslSource =
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new StreamSource(xslSystemId);
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xslSource.setSystemId(xslSystemId);
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// Create a stylesheet from the system id that was found
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TransformerFactory tFactory = TransformerFactory.newInstance();
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Transformer transformer = tFactory.newTransformer(xslSource);
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// Set up parameters for transformation
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if ( param != null) {
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Enumeration en = param.keys();
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while (en.hasMoreElements()) {
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String key =(String)en.nextElement();
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String value = ((String)(param.get(key)));
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transformer.setParameter(key, value);
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}
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}
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// Run the transform engine
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StreamSource ss = new StreamSource(doc);
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StreamResult sr = new StreamResult(pw);
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transformer.transform(ss, sr);
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} catch (Exception e) {
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pw.println("Error transforming document in " +
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"XSLTransform.transform:\n" + e.getMessage());
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e.printStackTrace(pw);
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}
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}
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/**
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* the main routine used to test the transform utility.
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*
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* Usage: java DBTransform
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*/
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static public void main(String[] args) {
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if (args.length != 2)
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{
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System.err.println("Wrong number of arguments!!!");
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System.err.println("USAGE: java XSLTransform xml style");
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return;
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} else {
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String xmlfile = args[0];
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String xslfile = args[1];
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try {
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Reader r = new FileReader(xmlfile);
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XSLTransform.transform( r, xslfile,
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new PrintWriter(System.out), null);
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} catch (Exception e) {
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System.err.println("EXCEPTION HANDLING REQUIRED");
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System.err.println(e.getMessage());
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e.printStackTrace(System.err);
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}
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}
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}
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}
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