/*
* regain - A file search engine providing plenty of formats
* Copyright (C) 2004 Til Schneider
*
* 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 (at your option) 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
*
* Contact: Til Schneider, info@murfman.de
*
* CVS information:
* $RCSfile$
* $Source$
* $Date: 2006-01-22 13:08:20 +0100 (So, 22 Jan 2006) $
* $Author: til132 $
* $Revision: 199 $
*/
package net.sf.regain.ui.desktop.status.sharedlib;
import net.sf.regain.RegainException;
import net.sf.regain.util.io.MemoryAppender;
import net.sf.regain.util.sharedtag.PageRequest;
import net.sf.regain.util.sharedtag.PageResponse;
import net.sf.regain.util.sharedtag.SharedTag;
import org.apache.log4j.Appender;
import org.apache.log4j.Logger;
/**
* Writes the last log messages.
*
* @author Til Schneider, www.murfman.de
*/
public class LogTag extends SharedTag {
/** The memory appender that holds the last log messages. */
private static MemoryAppender mMemoryAppender;
/**
* Called when the parser reaches the end tag.
*
* @param request The page request.
* @param response The page response.
* @throws RegainException If there was an exception.
*/
public void printEndTag(PageRequest request, PageResponse response)
throws RegainException
{
if (mMemoryAppender == null) {
Appender app = (MemoryAppender) Logger.getRootLogger().getAppender("memory");
if (app instanceof MemoryAppender) {
mMemoryAppender = (MemoryAppender) app;
} else {
response.print("No MemoryAppender with the name 'memory' configured!");
return;
}
}
mMemoryAppender.printLog(response);
}
}