/*******************************************************************************
$Source: /cvs/repositories/openii3/project/java/source/org/openeai/xml/OpenEaiTransformer.java,v $
$Revision: 1.6 $
*******************************************************************************/
/**********************************************************************
This file is part of the OpenEAI Application Foundation or
OpenEAI Message Object API created by Tod Jackson
(tod@openeai.org) and Steve Wheat (steve@openeai.org) at
the University of Illinois Urbana-Champaign.
Copyright (C) 2002 The OpenEAI Software Foundation
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
For specific licensing details and examples of how this software
can be used to build commercial integration software or to implement
integrations for your enterprise, visit http://www.OpenEai.org/licensing.
*/
package org.openeai.xml;
import org.openeai.OpenEaiObject;
import java.io.File;
import java.io.*;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.stream.StreamSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerConfigurationException;
/**
* This class is used to perform XSLT transformations using Xalan.
* <P>
* @author Tod Jackson (tod@openeai.org)
* @author Steve Wheat (steve@openeai.org)
* @version 3.0 - 28 January 2003
*/
public class OpenEaiTransformer extends OpenEaiObject {
public OpenEaiTransformer() {
}
/*
public static void transform(String xmlDoc, String outputURL)
throws java.io.IOException,
java.net.MalformedURLException,
org.xml.sax.SAXException {
// Use XSLTProcessorFactory to instantiate an XSLTProcessor.
XSLTProcessor processor = XSLTProcessorFactory.getProcessor();
// Create the 3 objects the XSLTProcessor needs to perform the transformation.
XSLTInputSource xmlSource = new XSLTInputSource(xmlDoc);
XSLTInputSource xslSheet = null;
XSLTResultTarget xmlResult = new XSLTResultTarget(outputURL);
// Perform the transformation.
processor.process(xmlSource, xslSheet, xmlResult);
processor.reset();
}
*/
/*
public static void transform(byte[] xmlDoc, String outputURL)
throws java.io.IOException,
java.net.MalformedURLException,
org.xml.sax.SAXException {
// Use XSLTProcessorFactory to instantiate an XSLTProcessor.
XSLTProcessor processor = XSLTProcessorFactory.getProcessor();
// Create the 3 objects the XSLTProcessor needs to perform the transformation.
ByteArrayInputStream iStream = new ByteArrayInputStream(xmlDoc);
XSLTInputSource xmlSource = new XSLTInputSource(iStream);
XSLTInputSource xslSheet = null;
XSLTResultTarget xmlResult = new XSLTResultTarget(outputURL);
// Perform the transformation.
processor.process(xmlSource, xslSheet, xmlResult);
processor.reset();
}
*/
/**
* Transorms the byte array (XML) passed in using the XSL URL passed in and
* sends the result of the transformation to the outputUrl passed in.
*<P>
* @return OutputStream the results of the transformation.
* @throws IOException
* @throws MalformeURLException
* @throws SAXException
*/
public static void transform(byte[] xmlDoc, String outputURL, String xslDocUri)
throws java.io.IOException,
java.net.MalformedURLException,
org.xml.sax.SAXException {
TransformerFactory tFactory = TransformerFactory.newInstance();
Transformer transformer = null;
try {
transformer = tFactory.newTransformer(new StreamSource(xslDocUri));
// transformer = tFactory.newTransformer(new StreamSource(new ByteArrayInputStream(xslDoc.getBytes())));
transformer.transform(
new StreamSource(new ByteArrayInputStream(xmlDoc)),
new StreamResult(outputURL));
}
catch (Exception e) {
throw new IOException(e.getMessage());
}
}
/**
* Transorms the byte array (XML) passed in using the XSL URL passed in and returns the result of the transformation.
*<P>
* @return OutputStream the results of the transformation.
* @throws IOException
* @throws MalformeURLException
* @throws SAXException
*/
public static OutputStream getTransformation(byte[] xmlDoc, String xslDocUri)
throws java.io.IOException,
java.net.MalformedURLException,
org.xml.sax.SAXException {
ByteArrayInputStream iStream = new ByteArrayInputStream(xmlDoc);
ByteArrayOutputStream boutArray = new ByteArrayOutputStream();
TransformerFactory tFactory = TransformerFactory.newInstance();
Transformer transformer = null;
try {
transformer = tFactory.newTransformer(new StreamSource(xslDocUri));
}
catch (Exception e) {
logger.fatal(e.getMessage(), e);
throw new IOException(e.getMessage());
}
try {
transformer.transform(
new StreamSource(iStream),
new StreamResult(boutArray));
return boutArray;
}
catch (Exception e) {
logger.fatal(e.getMessage(), e);
throw new IOException(e.getMessage());
}
}
}