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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  package org.apache.log4j.legacy.core;
18  
19  import org.apache.logging.log4j.Level;
20  import org.apache.logging.log4j.Logger;
21  import org.apache.logging.log4j.spi.LoggerContext;
22  
23  /**
24   * Provide access to Log4j Core Logger methods.
25   */
26  public final class CategoryUtil {
27  
28      private CategoryUtil() {
29      }
30  
31      public static boolean isAdditive(Logger logger) {
32          if (logger instanceof org.apache.logging.log4j.core.Logger) {
33              return ((org.apache.logging.log4j.core.Logger) logger).isAdditive();
34          }
35          return false;
36      }
37  
38      public static void setAdditivity(Logger logger, boolean additivity) {
39          if (logger instanceof org.apache.logging.log4j.core.Logger) {
40              ((org.apache.logging.log4j.core.Logger) logger).setAdditive(additivity);
41          }
42      }
43  
44      public static Logger getParent(Logger logger) {
45          if (logger instanceof org.apache.logging.log4j.core.Logger) {
46              return ((org.apache.logging.log4j.core.Logger) logger).getParent();
47  
48          }
49          return null;
50      }
51  
52      public static LoggerContext getLoggerContext(Logger logger) {
53          if (logger instanceof org.apache.logging.log4j.core.Logger) {
54              return ((org.apache.logging.log4j.core.Logger) logger).getContext();
55          }
56          return null;
57      }
58  
59      public static void setLevel(Logger logger, Level level) {
60          if (logger instanceof org.apache.logging.log4j.core.Logger) {
61              ((org.apache.logging.log4j.core.Logger) logger).setLevel(level);
62  
63          }
64      }
65  }