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1   package org.codehaus.plexus.context;
2   
3   
4   /*
5    * Copyright 2001-2006 Codehaus Foundation.
6    *
7    * Licensed under the Apache License, Version 2.0 (the "License");
8    * you may not use this file except in compliance with the License.
9    * You may obtain a copy of the License at
10   *
11   *      http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing, software
14   * distributed under the License is distributed on an "AS IS" BASIS,
15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   * See the License for the specific language governing permissions and
17   * limitations under the License.
18   */
19  
20  import java.util.HashMap;
21  
22  public class ContextMapAdapter
23      extends HashMap
24  {
25      private Context context;
26  
27      public ContextMapAdapter( Context context )
28      {
29          this.context = context;
30      }
31  
32      public Object get( Object key )
33      {
34          try
35          {
36              Object value = context.get( key );
37              
38              if ( value instanceof String )
39              {
40                  return value;
41              }
42              else
43              {
44                  return null;
45              }
46          }
47          catch ( ContextException e )
48          {
49              return null;
50          }
51      }
52  }