     1: <?php
     2: /**
     3:  * Licensed to the Apache Software Foundation (ASF) under one or more
     4:  * contributor license agreements. See the NOTICE file distributed with
     5:  * this work for additional information regarding copyright ownership.
     6:  * The ASF licenses this file to You under the Apache License, Version 2.0
     7:  * (the "License"); you may not use this file except in compliance with
     8:  * the License. You may obtain a copy of the License at
     9:  *
    10:  *     http://www.apache.org/licenses/LICENSE-2.0
    11:  *
    12:  * Unless required by applicable law or agreed to in writing, software
    13:  * distributed under the License is distributed on an "AS IS" BASIS,
    14:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    15:  * See the License for the specific language governing permissions and
    16:  * limitations under the License.
    17:  *
    18:  * @package log4php
    19:  */
    20:
    21: /**
    22:  * The root logger.
    23:  *
    24:  * @version $Revision: 1343190 $
    25:  * @package log4php
    26:  * @see Logger
    27:  */
    28: class LoggerRoot extends Logger {
    29:     /**
    30:      * Constructor
    31:      *
    32:      * @param integer $level initial log level
    33:      */
    34:     public function __construct(LoggerLevel $level = null) {
    35:         parent::__construct('root');
    36:
    37:         if($level == null) {
    38:             $level = LoggerLevel::getLevelAll();
    39:         }
    40:         $this->setLevel($level);
    41:     }
    42:
    43:     /**
    44:      * @return LoggerLevel the level
    45:      */
    46:     public function getEffectiveLevel() {
    47:         return $this->getLevel();
    48:     }
    49:
    50:     /**
    51:      * Override level setter to prevent setting the root logger's level to
    52:      * null. Root logger must always have a level.
    53:      *
    54:      * @param LoggerLevel $level
    55:      */
    56:     public function setLevel(LoggerLevel $level = null) {
    57:         if (isset($level)) {
    58:             parent::setLevel($level);
    59:         } else {
    60:             trigger_error("log4php: Cannot set LoggerRoot level to null.", E_USER_WARNING);
    61:         }
    62:     }
    63:
    64:     /**
    65:      * Override parent setter. Root logger cannot have a parent.
    66:      * @param Logger $parent
    67:      */
    68:     public function setParent(Logger $parent) {
    69:         trigger_error("log4php: LoggerRoot cannot have a parent.", E_USER_WARNING);
    70:     }
    71: }
    72: