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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: ApplyXSLTListener.java 470245 2006-11-02 06:34:33Z minchau $
*/
package servlet;
import java.io.*;
import org.xml.sax.*;
import org.apache.xml.utils.DefaultErrorHandler;
/*****************************************************************************************************
* ApplyXSLTListener provides a buffered listener essential for capturing, and then subsequently
* reporting, XML and XSL processor messages which may be of use in debugging XML+XSL processed at
* the server.
*
* @author Spencer Shepard (sshepard@us.ibm.com)
* @author R. Adam King (rak@us.ibm.com)
* @author Tom Rowe (trowe@us.ibm.com)
*
*****************************************************************************************************/
public class ApplyXSLTListener extends DefaultErrorHandler implements ErrorHandler
{
/**
* Output stream
*/
private ByteArrayOutputStream outStream = new ByteArrayOutputStream();
/**
* Buffered output stream
*/
public PrintWriter out = null;
/**
* Constructor.
*/
public ApplyXSLTListener()
{
out = new PrintWriter(new BufferedOutputStream(outStream), true);
}
/**
* Receive notification of a warning.
*
* @param spe The warning information encapsulated in a SAX parse exception.
*/
public void warning(SAXParseException spe)
{
out.println("Parser Warning: " + spe.getMessage());
}
/**
* Receive notification of a recoverable error.
*
* @param spe The error information encapsulated in a SAX parse exception.
*/
public void error(SAXParseException spe)
{
out.println("Parser Error: " + spe.getMessage());
}
/**
* Receive notification of a non-recoverable error.
*
* @param spe The error information encapsulated in a SAX parse exception.
* @exception SAXException Always thrown
*/
public void fatalError(SAXParseException spe)
throws SAXException
{
out.println("Parser Fatal Error: " + spe.getMessage());
throw spe;
}
/**
* Returns the buffered processing message(s).
* @return Buffered processing message(s)
*/
public String getMessage()
{
return outStream.toString();
}
}
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