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1   package org.slf4j.impl;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.slf4j.Logger;
23  
24  /**
25   * MavenSimpleLoggerFactory
26   */
27  public class MavenSimpleLoggerFactory
28      extends SimpleLoggerFactory
29  {
30      /**
31       * Return an appropriate {@link MavenSimpleLogger} instance by name.
32       */
33      public Logger getLogger( String name )
34      {
35          Logger simpleLogger = loggerMap.get( name );
36          if ( simpleLogger != null )
37          {
38              return simpleLogger;
39          }
40          else
41          {
42              Logger newInstance = new MavenSimpleLogger( name );
43              Logger oldInstance = loggerMap.putIfAbsent( name, newInstance );
44              return oldInstance == null ? newInstance : oldInstance;
45          }
46      }
47  }