View Javadoc

1   /***
2    *  The contents of this file are subject to the Mozilla Public
3    *  License Version 1.1 (the "License"); you may not use this file
4    *  except in compliance with the License. You may obtain a copy of
5    *  the License at http://www.mozilla.org/MPL/
6    *
7    *  Software distributed under the License is distributed on an "AS
8    *  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
9    *  implied. See the License for the specific language governing
10   *  rights and limitations under the License.
11   *
12   *  The Original Code is pow2toolkit library.
13   *
14   *  The Initial Owner of the Original Code is
15   *  Paul Monday
16   *
17   *  Portions created by Power Of Two S.R.L. are
18   *  Copyright (C) Power Of Two S.R.L.
19   *  All Rights Reserved.
20   *
21   * Contributor(s):
22   */
23  
24  
25  package com.pow2.resources;
26  
27  
28  /***
29   *  PropertyContainer Interface
30   *
31   * @author     Paul Monday
32   * @created    23 aprile 2002
33   */
34  public interface PropertyContainer
35  {
36    /***
37     *  Add a property associated with a token name.
38     *  <br>
39     *  If the token already exists, the value will be replaced.
40     *  If the token does not exist, it will be added with the value.
41     *
42     * @param  value  is an object that cannot be null
43     * @param  token  is a key that can be used to retrieve the value
44     */
45    public void addProperty(Object value, String token);
46  
47  
48    /***
49     *  Retrieve a value by a particular token.
50     *
51     * @param  token  is a key that can be used to retrieve the value
52     * @return        String is the value associated with the token.  It
53     *                will not be null
54     */
55    public String getProperty(String token);
56  
57  
58    /***
59     *  Retrieve a value by a particular token.
60     *
61     * @param  token  is a key that can be used to retrieve the value
62     * @return        Object is the value associated with the token.  It
63     *                will not be null
64     */
65    public Object getObject(String token);
66  
67  
68    /***
69     *  Retrieve all property keys currently in use.
70     *
71     * @return    String[] is an array of all valid token names
72     */
73    public String[] getPropertyKeys();
74  
75  
76    /***
77     *  Remove a value associated with a particular token.
78     *
79     * @param  token  is a key associated with a value that was added
80     */
81    public void removeProperty(String token);
82  }