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+++ b/library/log4php/LoggerLevel.php
@@ -0,0 +1,274 @@
+<?php
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @package log4php
+ */
+
+/**
+ * Defines the minimum set of levels recognized by the system, that is
+ * <i>OFF</i>, <i>FATAL</i>, <i>ERROR</i>,
+ * <i>WARN</i>, <i>INFO</i>, <i>DEBUG</i> and
+ * <i>ALL</i>.
+ *
+ * <p>The <i>LoggerLevel</i> class may be subclassed to define a larger
+ * level set.</p>
+ *
+ * @version $Revision: 1379729 $
+ * @package log4php
+ * @since 0.5
+ */
+class LoggerLevel {
+
+ const OFF = 2147483647;
+ const FATAL = 50000;
+ const ERROR = 40000;
+ const WARN = 30000;
+ const INFO = 20000;
+ const DEBUG = 10000;
+ const TRACE = 5000;
+ const ALL = -2147483647;
+
+ /** Integer level value. */
+ private $level;
+
+ /** Contains a list of instantiated levels. */
+ private static $levelMap;
+
+ /** String representation of the level. */
+ private $levelStr;
+
+ /**
+ * Equivalent syslog level.
+ * @var integer
+ */
+ private $syslogEquivalent;
+
+ /**
+ * Constructor
+ *
+ * @param integer $level
+ * @param string $levelStr
+ * @param integer $syslogEquivalent
+ */
+ private function __construct($level, $levelStr, $syslogEquivalent) {
+ $this->level = $level;
+ $this->levelStr = $levelStr;
+ $this->syslogEquivalent = $syslogEquivalent;
+ }
+
+ /**
+ * Compares two logger levels.
+ *
+ * @param LoggerLevels $other
+ * @return boolean
+ */
+ public function equals($other) {
+ if ($other instanceof LoggerLevel) {
+ if ($this->level == $other->level) {
+ return true;
+ }
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * Returns an Off Level
+ * @return LoggerLevel
+ */
+ public static function getLevelOff() {
+ if (!isset(self::$levelMap[LoggerLevel::OFF])) {
+ self::$levelMap[LoggerLevel::OFF] = new LoggerLevel(LoggerLevel::OFF, 'OFF', LOG_ALERT);
+ }
+ return self::$levelMap[LoggerLevel::OFF];
+ }
+
+ /**
+ * Returns a Fatal Level
+ * @return LoggerLevel
+ */
+ public static function getLevelFatal() {
+ if (!isset(self::$levelMap[LoggerLevel::FATAL])) {
+ self::$levelMap[LoggerLevel::FATAL] = new LoggerLevel(LoggerLevel::FATAL, 'FATAL', LOG_ALERT);
+ }
+ return self::$levelMap[LoggerLevel::FATAL];
+ }
+
+ /**
+ * Returns an Error Level
+ * @return LoggerLevel
+ */
+ public static function getLevelError() {
+ if (!isset(self::$levelMap[LoggerLevel::ERROR])) {
+ self::$levelMap[LoggerLevel::ERROR] = new LoggerLevel(LoggerLevel::ERROR, 'ERROR', LOG_ERR);
+ }
+ return self::$levelMap[LoggerLevel::ERROR];
+ }
+
+ /**
+ * Returns a Warn Level
+ * @return LoggerLevel
+ */
+ public static function getLevelWarn() {
+ if (!isset(self::$levelMap[LoggerLevel::WARN])) {
+ self::$levelMap[LoggerLevel::WARN] = new LoggerLevel(LoggerLevel::WARN, 'WARN', LOG_WARNING);
+ }
+ return self::$levelMap[LoggerLevel::WARN];
+ }
+
+ /**
+ * Returns an Info Level
+ * @return LoggerLevel
+ */
+ public static function getLevelInfo() {
+ if (!isset(self::$levelMap[LoggerLevel::INFO])) {
+ self::$levelMap[LoggerLevel::INFO] = new LoggerLevel(LoggerLevel::INFO, 'INFO', LOG_INFO);
+ }
+ return self::$levelMap[LoggerLevel::INFO];
+ }
+
+ /**
+ * Returns a Debug Level
+ * @return LoggerLevel
+ */
+ public static function getLevelDebug() {
+ if (!isset(self::$levelMap[LoggerLevel::DEBUG])) {
+ self::$levelMap[LoggerLevel::DEBUG] = new LoggerLevel(LoggerLevel::DEBUG, 'DEBUG', LOG_DEBUG);
+ }
+ return self::$levelMap[LoggerLevel::DEBUG];
+ }
+
+ /**
+ * Returns a Trace Level
+ * @return LoggerLevel
+ */
+ public static function getLevelTrace() {
+ if (!isset(self::$levelMap[LoggerLevel::TRACE])) {
+ self::$levelMap[LoggerLevel::TRACE] = new LoggerLevel(LoggerLevel::TRACE, 'TRACE', LOG_DEBUG);
+ }
+ return self::$levelMap[LoggerLevel::TRACE];
+ }
+
+ /**
+ * Returns an All Level
+ * @return LoggerLevel
+ */
+ public static function getLevelAll() {
+ if (!isset(self::$levelMap[LoggerLevel::ALL])) {
+ self::$levelMap[LoggerLevel::ALL] = new LoggerLevel(LoggerLevel::ALL, 'ALL', LOG_DEBUG);
+ }
+ return self::$levelMap[LoggerLevel::ALL];
+ }
+
+ /**
+ * Return the syslog equivalent of this level as an integer.
+ * @return integer
+ */
+ public function getSyslogEquivalent() {
+ return $this->syslogEquivalent;
+ }
+
+ /**
+ * Returns <i>true</i> if this level has a higher or equal
+ * level than the level passed as argument, <i>false</i>
+ * otherwise.
+ *
+ * @param LoggerLevel $other
+ * @return boolean
+ */
+ public function isGreaterOrEqual($other) {
+ return $this->level >= $other->level;
+ }
+
+ /**
+ * Returns the string representation of this level.
+ * @return string
+ */
+ public function toString() {
+ return $this->levelStr;
+ }
+
+ /**
+ * Returns the string representation of this level.
+ * @return string
+ */
+ public function __toString() {
+ return $this->toString();
+ }
+
+ /**
+ * Returns the integer representation of this level.
+ * @return integer
+ */
+ public function toInt() {
+ return $this->level;
+ }
+
+ /**
+ * Convert the input argument to a level. If the conversion fails, then
+ * this method returns the provided default level.
+ *
+ * @param mixed $arg The value to convert to level.
+ * @param LoggerLevel $default Value to return if conversion is not possible.
+ * @return LoggerLevel
+ */
+ public static function toLevel($arg, $defaultLevel = null) {
+ if (is_int($arg)) {
+ switch ($arg) {
+ case self::ALL:
+ return self::getLevelAll();
+ case self::TRACE:
+ return self::getLevelTrace();
+ case self::DEBUG:
+ return self::getLevelDebug();
+ case self::INFO:
+ return self::getLevelInfo();
+ case self::WARN:
+ return self::getLevelWarn();
+ case self::ERROR:
+ return self::getLevelError();
+ case self::FATAL:
+ return self::getLevelFatal();
+ case self::OFF:
+ return self::getLevelOff();
+ default:
+ return $defaultLevel;
+ }
+ } else {
+ switch (strtoupper($arg)) {
+ case 'ALL':
+ return self::getLevelAll();
+ case 'TRACE':
+ return self::getLevelTrace();
+ case 'DEBUG':
+ return self::getLevelDebug();
+ case 'INFO':
+ return self::getLevelInfo();
+ case 'WARN':
+ return self::getLevelWarn();
+ case 'ERROR':
+ return self::getLevelError();
+ case 'FATAL':
+ return self::getLevelFatal();
+ case 'OFF':
+ return self::getLevelOff();
+ default:
+ return $defaultLevel;
+ }
+ }
+ }
+}