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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17
    18  package org.apache.log4j.spi;
    19
    20  import  org.apache.log4j.*;
    21  import  org.apache.log4j.helpers.LogLog;
    22
    23  // Contibutors: Mathias Bogaert
    24
    25  /***
    26   * @deprecated Replaced by {@link RootLogger}.
    27   */
    28  final public class RootCategory extends Logger {
    29
    30    /***
    31       The root category names itself as "root". However, the root
    32       category cannot be retrieved by name.
    33    */
    34    public
    35    RootCategory(Level level) {
    36      super("root");
    37      setLevel(level);
    38    }
    39
    40
    41    /***
    42       Return the assigned level value without walking the category
    43       hierarchy.
    44    */
    45    final
    46    public
    47    Level getChainedLevel() {
    48      return level;
    49    }
    50
    51    /***
    52       Setting a null value to the level of the root category may have catastrophic
    53       results. We prevent this here.
    54
    55       @since 0.8.3 */
    56    final
    57    public
    58    void setLevel(Level level) {
    59      if(level == null) {
    60        LogLog.error("You have tried to set a null level to root.",
    61  		   new Throwable());
    62      }
    63      else {
    64        this.level = level;
    65      }
    66    }
    67
    68    final
    69    public
    70    void setPriority(Level level) {
    71      setLevel(level);
    72    }
    73
    74
    75  }