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1   package org.apache.velocity.context;
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  /**
23   *  interface for internal context wrapping functionality
24   *
25   *  @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a>
26   *  @version $Id: InternalWrapperContext.java 471908 2006-11-06 22:39:28Z henning $
27   */
28  public interface InternalWrapperContext
29  {
30      /**
31       * Returns the wrapped user context.
32       * @return The wrapped user context.
33       */
34      Context getInternalUserContext();
35  
36      /**
37       * Returns the base full context impl.
38       * @return The base full context impl.
39       *
40       */
41      InternalContextAdapter getBaseContext();
42  
43      /**
44       * Allows callers to explicitly put objects in the local context.
45       * Objects added to the context through this method always end up
46       * in the top-level context of possible wrapped contexts.
47       *
48       *  @param key name of item to set.
49       *  @param value object to set to key.
50       *  @return old stored object
51       */
52      Object localPut(final String key, final Object value);
53  }