1   /*
2    * Copyright 1999-2004 The Apache Software Foundation
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.commons.jxpath;
17  
18  /***
19   * A Container is an object implementing an indirection
20   * mechanism transparent to JXPath.  For example, if property
21   * "foo" of the context node has a Container as its value,
22   * the XPath "foo" will produce the contents of that Container,
23   * rather than the container itself.
24   *
25   * @author Dmitri Plotnikov
26   * @version $Revision: 1.6 $ $Date: 2004/02/29 14:17:42 $
27   */
28  public interface Container {
29  
30      /***
31       * Returns the contained value.
32       */
33      Object getValue();
34  
35      /***
36       * Modifies the value contained by this container.  May throw
37       * UnsupportedOperationException.
38       */
39      void setValue(Object value);
40  }