/*

  * 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.util.xml;

 import java.util.logging.Level;

 import java.util.logging.Logger;

 import org.xml.sax.ErrorHandler;

 import org.xml.sax.SAXParseException;

 /**

  * Convenient error handler for xml sax parsing.

  */

 public class MyFacesErrorHandler

         implements ErrorHandler

 {

     private Logger _log;

     public MyFacesErrorHandler(Logger log)

     {

         _log = log;

     }

     public void warning(SAXParseException exception)

     {

         if (_log.isLoggable(Level.WARNING))

         {

             _log.log(Level.WARNING, getMessage(exception), exception);

         }

     }

     public void error(SAXParseException exception)

     {

         _log.log(Level.SEVERE, getMessage(exception), exception);

     }

     public void fatalError(SAXParseException exception)

     {

         _log.log(Level.SEVERE, getMessage(exception), exception);

     }

     private String getMessage(SAXParseException exception)

     {

         StringBuilder buf = new StringBuilder();

         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();

     }

 }