/**
* Copyright 2007-2008 University Of Southern California
*
* Licensed 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.
*/
package edu.isi.pegasus.planner.parser;
import edu.isi.pegasus.common.logging.LogManagerFactory;
import edu.isi.pegasus.common.logging.LogManager;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
/**
* This class handles the errors which occur while enforcing validation against
* the XML Schema. Same as the VDLErrorHandler.
*
* @author Karan Vahi
* @author Gaurang Mehta
*
* $Revision$
*/
public class XMLErrorHandler implements ErrorHandler{
/**
* The handle to the logging object that is used to log the messages.
*/
private LogManager mLogger ;
/**
* The default constructor.
* Initializes the logger object.
*/
public XMLErrorHandler(){
mLogger = LogManagerFactory.loadSingletonInstance();
}
/**
* Logs the warning messages in the SAX parser generates while
* validating the XML file against an XML Schema.
*
* @param e the execption that is being caught.
*/
public void warning (SAXParseException e) throws SAXException{
mLogger.log("**Parsing ** " +
" Line: " +
e.getLineNumber() + "\n" +
"[" + e + "]\n",LogManager.WARNING_MESSAGE_LEVEL);
}
/**
* Logs the error messages which SAX parser generates while
* validating the XML file against an XML Schema
*
* @param e the exception that is being caught.
*/
public void error(SAXParseException e) throws SAXException {
mLogger.log("**Parsing ** " +
" Line: " +
e.getLineNumber() + "\n" +
"[" + e + "]\n",LogManager.ERROR_MESSAGE_LEVEL);
}
/**
* Logs the the fatal messages which SAX parser generates while
* validating the XML file against an XML Schema
*
* @param e the exception that is being caught
*/
public void fatalError(SAXParseException e) throws SAXException{
mLogger.log("\n** Parsing ** " +
" Line: " +
e.getLineNumber() + "\n" +
"[" + e + "]\n",LogManager.FATAL_MESSAGE_LEVEL);
}
}