ModifiableConfiguration


1   /* ========================================================================
2    * JCommon : a free general purpose class library for the Java(tm) platform
3    * ========================================================================
4    *
5    * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
6    * 
7    * Project Info:  http://www.jfree.org/jcommon/index.html
8    *
9    * This library is free software; you can redistribute it and/or modify it 
10   * under the terms of the GNU Lesser General Public License as published by 
11   * the Free Software Foundation; either version 2.1 of the License, or 
12   * (at your option) any later version.
13   *
14   * This library is distributed in the hope that it will be useful, but 
15   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
16   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
17   * License for more details.
18   *
19   * You should have received a copy of the GNU Lesser General Public
20   * License along with this library; if not, write to the Free Software
21   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
22   * USA.  
23   *
24   * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
25   * in the United States and other countries.]
26   * 
27   * ----------------------------
28   * ModifiableConfiguration.java
29   * ----------------------------
30   * (C)opyright 2004, by Thomas Morgner and Contributors.
31   *
32   * Original Author:  David Gilbert (for Object Refinery Limited);
33   * Contributor(s):   Thomas Morgner;
34   *
35   * $Id: ModifiableConfiguration.java,v 1.3 2005/10/18 13:14:12 mungady Exp $
36   *
37   * Changes
38   * -------
39   * 07-Jun-2004 : Added JCommon header (DG);
40   *
41   */
42  
43  package org.jfree.base.config;
44  
45  import java.util.Enumeration  ;
46  import java.util.Iterator  ;
47  
48  import org.jfree.util.Configuration;
49  
50  /**
51   * A modifiable configuration.
52   *
53   * @author Thomas Morgner
54   */
55  public interface ModifiableConfiguration extends Configuration {
56   
57      /**
58       * Sets the value of a configuration property.
59       * 
60       * @param key  the property key.
61       * @param value  the property value.
62       */
63      public void setConfigProperty(final String   key, final String   value);
64    
65      /**
66       * Returns the configuration properties.
67       * 
68       * @return The configuration properties.
69       */
70      public Enumeration   getConfigProperties();
71    
72      /**
73       * Returns an iterator for the keys beginning with the specified prefix.
74       * 
75       * @param prefix  the prefix.
76       * 
77       * @return The iterator.
78       */
79      public Iterator   findPropertyKeys(final String   prefix);
80  
81  }
82
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