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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.logging.log4j.jul;
18  
19  import java.util.logging.Logger;
20  
21  import org.apache.logging.log4j.LogManager;
22  import org.apache.logging.log4j.spi.LoggerContext;
23  import org.apache.logging.log4j.util.StackLocatorUtil;
24  
25  /**
26   * Abstract Logger registry. Due to the optionality of using log4j-core, there are two registries available at runtime
27   * to create: {@link ApiLoggerAdapter} and {@link CoreLoggerAdapter}.
28   *
29   * @since 2.1
30   */
31  public abstract class AbstractLoggerAdapter extends org.apache.logging.log4j.spi.AbstractLoggerAdapter<Logger> {
32  
33      @Override
34      protected LoggerContext getContext() {
35          return getContext(LogManager.getFactory().isClassLoaderDependent()
36                  ? StackLocatorUtil.getCallerClass(java.util.logging.LogManager.class)
37                  : null);
38      }
39  
40  }