package org.codehaus.plexus.context;
   
   /*
    * Copyright 2001-2006 Codehaus Foundation.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  import java.util.HashMap;
  
  public class ContextMapAdapter extends HashMap {
      private Context context;
  
      public ContextMapAdapter(Context context) {
          this.context = context;
      }
  
      public Object get(Object key) {
          try {
              Object value = context.get(key);
  
              if (value instanceof String) {
                  return value;
              } else {
                  return null;
              }
          } catch (ContextException e) {
              return null;
          }
      }
  }