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/*
 * This file is part of Log4Jdbc.
 *
 * Log4Jdbc is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Log4Jdbc 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Log4Jdbc.  If not, see .
 *
 */
package fr.ms.log4jdbc.writer;

import fr.ms.log4jdbc.SqlOperation;
import fr.ms.log4jdbc.utils.Log4JdbcProperties;
import fr.ms.log4jdbc.utils.Log4JdbcStackTrace;

/**
 *
 * @see Marco4J
 *
 *
 * @author Marco Semiao
 *
 */
public class MessageWriterStackTraceImpl extends MessageWriterImpl {

    private final static String nl = System.getProperty("line.separator");

    private final static Log4JdbcProperties props = Log4JdbcProperties.getInstance();

    private StackTraceElement[] stackTrace;

    public MessageWriterStackTraceImpl(final SqlOperation message) {
	super(message);
	if (props.logStackTrace()) {
	    stackTrace = Log4JdbcStackTrace.getStackTrace();
	}
    }

    @Override
    public String traceFooter() {
	if (stackTrace != null) {
	    final String stackTraceFilter = Log4JdbcStackTrace.getStackTraceFilter(stackTrace);
	    if (stackTraceFilter != null) {
		return stackTraceFilter + nl + super.traceFooter();
	    }
	}
	return super.traceFooter();
    }
}