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.Level; 21 import org.apache.log4j.Logger; 22 import org.apache.log4j.helpers.LogLog; 23 24 // Contibutors: Mathias Bogaert 25 26 /** 27 * @deprecated Replaced by {@link RootLogger}. 28 */ 29 final public class RootCategory extends Logger { 30 31 /** 32 The root category names itself as "root". However, the root 33 category cannot be retrieved by name. 34 */ 35 public 36 RootCategory(Level level) { 37 super("root"); 38 setLevel(level); 39 } 40 41 42 /** 43 Return the assigned level value without walking the category 44 hierarchy. 45 */ 46 final 47 public 48 Level getChainedLevel() { 49 return level; 50 } 51 52 /** 53 Setting a null value to the level of the root category may have catastrophic 54 results. We prevent this here. 55 56 @since 0.8.3 */ 57 final 58 public 59 void setLevel(Level level) { 60 if(level == null) { 61 LogLog.error("You have tried to set a null level to root.", 62 new Throwable()); 63 } 64 else { 65 this.level = level; 66 } 67 } 68 69 final 70 public 71 void setPriority(Level level) { 72 setLevel(level); 73 } 74 75 76 }