org.productivity.java.syslog4j.impl.backlog.AbstractSyslogBackLogHandler Maven / Gradle / Ivy

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Syslog4j provides client and server implementations of the BSD Syslog protocol (RFC 3164) and the draft "structured syslog" protocol (RFC Draft).

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package org.productivity.java.syslog4j.impl.backlog;

import org.productivity.java.syslog4j.SyslogBackLogHandlerIF;
import org.productivity.java.syslog4j.SyslogIF;
import org.productivity.java.syslog4j.util.SyslogUtility;

/**
* 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, int 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 combinedMessage = SyslogUtility.getLevelString(level) + " " + _message;
		
		if (this.appendReason) {
			combinedMessage += " [" + _reason + "]";
		}
		
		return combinedMessage;
	}
}