ceki 01/09/02 14:48:55
Added: src/java/org/apache/log4j Level.java
Log:
Level replaces Priority.
Revision Changes Path
1.1 jakarta-log4j/src/java/org/apache/log4j/Level.java
Index: Level.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE.txt file.
*/
// Contributors: Kitching Simon <[EMAIL PROTECTED]>
package org.apache.log4j;
/**
Defines the minimum set of priorities recognized by the system,
that is {@link #FATAL}, {@link #ERROR}, {@link #WARN}, {@link
#INFO} and {@link #DEBUG}.
<p>The <code>Level</code> class may be subclassed to define a larger
level set.
@author Ceki Gülcü
*/
public class Level {
int level;
String levelStr;
int syslogEquivalent;
public final static int OFF_INT = Integer.MAX_VALUE;
public final static int FATAL_INT = 50000;
public final static int ERROR_INT = 40000;
public final static int WARN_INT = 30000;
public final static int INFO_INT = 20000;
public final static int DEBUG_INT = 10000;
public final static int ALL_INT = Integer.MIN_VALUE;
/**
The <code>OFF</code> is used to turn off logging.
*/
final static public Level OFF = new Level(OFF_INT, "OFF", 0);
/**
The <code>FATAL</code> Level designates very severe error
events that will presumably lead the application to abort.
*/
final static public Level FATAL = new Level(FATAL_INT, "FATAL", 0);
/**
The <code>ERROR</code> Level designates error events that
might still allow the application to continue running. */
final static public Level ERROR = new Level(ERROR_INT, "ERROR", 3);
/**
The <code>WARN</code> Level designates potentially harmful situations.
*/
final static public Level WARN = new Level(WARN_INT, "WARN", 4);
/**
The <code>INFO</code> Level designates informational messages
that highlight the progress of the application at coarse-grained
level. */
final static public Level INFO = new Level(INFO_INT, "INFO", 6);
/**
The <code>DEBUG</code> Level designates fine-grained
informational events that are most useful to debug an
application. */
final static public Level DEBUG = new Level(DEBUG_INT, "DEBUG", 7);
/**
The <code>ALL</code> is used to turn on all logging.
*/
final static public Level ALL = new Level(ALL_INT, "ALL", 7);
/**
Instantiate a level object.
*/
protected
Level(int level, String levelStr, int syslogEquivalent) {
this.level = level;
this.levelStr = levelStr;
this.syslogEquivalent = syslogEquivalent;
}
/**
Return the syslog equivalent of this level as an integer.
*/
public
final
int getSyslogEquivalent() {
return syslogEquivalent;
}
/**
Returns the string representation of this level.
*/
final
public
String toString() {
return levelStr;
}
/**
Returns the integer representation of this level.
*/
public
final
int toInt() {
return level;
}
/**
Returns <code>true</code> if this level has a higher or equal
level than the level passed as argument, <code>false</code>
otherwise.
<p>You should think twice before overriding the default
implementation of <code>isGreaterOrEqual</code> method.
*/
public
boolean isGreaterOrEqual(Level r) {
return level >= r.level;
}
/**
Return all possible priorities as an array of Level objects in
descending order. */
public
static
Level[] getAllPossiblePriorities() {
return new Level[] {Level.FATAL, Level.ERROR, Level.WARN,
Level.INFO, Level.DEBUG};
}
/**
Convert the string passed as argument to a level. If the
conversion fails, then this method returns {@link #DEBUG}.
*/
public
static
Level toLevel(String sArg) {
return toLevel(sArg, Level.DEBUG);
}
/**
Convert an integer passed as argument to a level. If the
conversion fails, then this method returns {@link #DEBUG}.
*/
public
static
Level toLevel(int val) {
return toLevel(val, Level.DEBUG);
}
/**
Convert an integer passed as argument to a level. If the
conversion fails, then this method returns the specified default.
*/
public
static
Level toLevel(int val, Level defaultLevel) {
switch(val) {
case ALL_INT: return ALL;
case DEBUG_INT: return DEBUG;
case INFO_INT: return INFO;
case WARN_INT: return WARN;
case ERROR_INT: return ERROR;
case FATAL_INT: return FATAL;
case OFF_INT: return OFF;
default: return defaultLevel;
}
}
/**
Convert the string passed as argument to a level. If the
conversion fails, then this method returns the value of
<code>defaultLevel</code>.
*/
public
static
Level toLevel(String sArg, Level defaultLevel) {
if(sArg == null)
return defaultLevel;
String s = sArg.toUpperCase();
if(s.equals("ALL")) return Level.ALL;
if(s.equals("DEBUG")) return Level.DEBUG;
if(s.equals("INFO")) return Level.INFO;
if(s.equals("WARN")) return Level.WARN;
if(s.equals("ERROR")) return Level.ERROR;
if(s.equals("FATAL")) return Level.FATAL;
if(s.equals("OFF")) return Level.OFF;
return defaultLevel;
}
}
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