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/**
 * OW2 Util
 * Copyright (C) 2008 SERLI
 * Contact: [email protected]
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
* USA
*
* --------------------------------------------------------------------------
* $Id: ReaderValidationEventHandler.java 4389 2008-12-15 13:48:57Z alitokmen $ 
* --------------------------------------------------------------------------
*/


package org.ow2.util.plan.reader;

import javax.xml.bind.ValidationEvent;
import javax.xml.bind.ValidationEventHandler;

import org.ow2.util.log.Log;
import org.ow2.util.log.LogFactory;

/**
 * ValidationEventHandler used by Reader classes.
 * @author mleduque
 */
public class ReaderValidationEventHandler implements ValidationEventHandler {

    /**
     * The logger.
     */
    private static Log logger = LogFactory.getLog(ReaderValidationEventHandler.class);

    /**
     * Tolerance level for parsing errors.
     */
    private int laxLevel;

    /**
     * Constructs a ReaderValidationEventHandler object.
     * @param laxLevel Tolerance level for parsing errors.
     */
    public ReaderValidationEventHandler(int laxLevel) {
        if (laxLevel < 0 || laxLevel > 3) {
            throw new IllegalArgumentException("bad value for laxlevel");
        }
        this.laxLevel = laxLevel;
    }

    /**
     * {@inheritDoc}
     * @param event
     * @return
     */
    public boolean handleEvent(ValidationEvent event) {
        if (this.laxLevel < event.getSeverity()) {
            logger.error(
                            "xml file could not be read, message: {0}",
                            event.getMessage());
            return false;
        } else {
            logger.debug(
                            "read error, attempting to continue; message: {0}",
                            event.getMessage());
            return true;
        }
    }
}