trunk/validator/src/main/java/org/odftoolkit/odfvalidator/SchemaErrorHandler.java

/************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * Copyright 2008, 2010 Oracle and/or its affiliates. All rights reserved.
 * 
 * Use is subject to license terms.
 * 
 * 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. You can also
 * obtain a copy of the License at http://odftoolkit.org/docs/license.txt
 * 
 * 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.odftoolkit.odfvalidator;


import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

class SchemaErrorHandler implements org.xml.sax.ErrorHandler {
    
    private Logger m_aLogger;
    private SAXParseExceptionFilter m_aFilter;

    /** Creates a new instance of SchemaErrorHandler */
    SchemaErrorHandler(Logger aLogger, SAXParseExceptionFilter aFilter ) {
        m_aLogger = aLogger;
        m_aFilter = aFilter;
    }
    
    public void warning(SAXParseException e) throws SAXException {
        if( !filter(e) )
            m_aLogger.logWarning(  e );
    }

    public void fatalError(SAXParseException e) throws SAXException {
        fatalErrorNoException( e );
    }

    public void error(SAXParseException e) throws SAXException {
        if( !filter(e) )
            m_aLogger.logError( e );
    }

    public void fatalErrorNoException(SAXParseException e) {
        if( !filter(e) )
            m_aLogger.logFatalError(  e );
    }
    
    private boolean filter( SAXParseException e )
    {
        boolean bFiltered = false;
        if( m_aFilter != null )
        {
            SAXParseException aNewExc = m_aFilter.filterException( e );
            if( aNewExc == null  )
            {
                bFiltered = true;
            }
            else if( aNewExc != e )
            {
                m_aLogger.logWarning( aNewExc );
                bFiltered = true;
            }
        }
        
        return bFiltered;
    }
}