/*

  *  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.

  */

 package org.apache.myfaces.shared_impl.util.xml;

 import org.apache.commons.logging.Log;

 import org.xml.sax.ErrorHandler;

 import org.xml.sax.SAXParseException;

 /**

  * Convenient error handler for xml sax parsing.

  * @author Manfred Geiler (latest modification by $Author: matzew $)

  * @version $Revision: 557350 $ $Date: 2007-07-18 13:19:50 -0500 (Wed, 18 Jul 2007) $

  */

 public class MyFacesErrorHandler

         implements ErrorHandler

 {

     private Log _log;

     public MyFacesErrorHandler(Log log)

     {

         _log = log;

     }

     public void warning(SAXParseException exception)

     {

         if (_log.isWarnEnabled()) _log.warn(getMessage(exception), exception);

     }

     public void error(SAXParseException exception)

     {

         _log.error(getMessage(exception), exception);

     }

     public void fatalError(SAXParseException exception)

     {

         _log.fatal(getMessage(exception), exception);

     }

     private String getMessage(SAXParseException exception)

     {

         StringBuffer buf = new StringBuffer();

         buf.append("SAXParseException at");

         buf.append(" URI=");

         buf.append(exception.getSystemId());

         buf.append(" Line=");

         buf.append(exception.getLineNumber());

         buf.append(" Column=");

         buf.append(exception.getColumnNumber());

         return buf.toString();

     }

 }