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Syslog4j provides client and server implementations of the BSD Syslog protocol (RFC 3164) and the structured syslog" protocol (RFC5424).
/**
*
* (C) Copyright 2008-2011 syslog4j.org
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public License
* (LGPL) version 2.1 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl-2.1.html
*
* 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.
*/
package com.nesscomputing.syslog4j.impl.backlog;
import com.nesscomputing.syslog4j.SyslogBackLogHandlerIF;
import com.nesscomputing.syslog4j.SyslogIF;
import com.nesscomputing.syslog4j.SyslogLevel;
/**
* AbstractSyslogBackLogHandler is an implementation of SyslogBackLogHandlerIF
* that mainly provides the helpful "combine" method for handling the "reason"
* why a BackLog has occurred.
*
* Syslog4j is licensed under the Lesser GNU Public License v2.1. A copy
* of the LGPL license is available in the META-INF folder in all
* distributions of Syslog4j and in the base directory of the "doc" ZIP.
*
* @author <[email protected]>
* @version $Id: AbstractSyslogBackLogHandler.java,v 1.1 2009/01/24 22:00:18 cvs Exp $
*/
public abstract class AbstractSyslogBackLogHandler implements SyslogBackLogHandlerIF {
protected boolean appendReason = true;
protected String combine(SyslogIF syslog, SyslogLevel level, String message, String reason) {
// Note: syslog is explicitly ignored by default
String _message = message != null ? message : "UNKNOWN";
String _reason = reason != null ? reason : "UNKNOWN";
String _level = level != null ? level.name() : "";
String combinedMessage = _level + " " + _message;
if (this.appendReason) {
combinedMessage += " [" + _reason + "]";
}
return combinedMessage;
}
}