RemovePropertyAction


1   /*====================================================================
2   
3   Objectweb Explorer Framework
4   Copyright (C) 2000-2004 INRIA - USTL - LIFL - GOAL
5   Contact: openccm@objectweb.org
6   
7   This library is free software; you can redistribute it and/or
8   modify it under the terms of the GNU Lesser General Public
9   License as published by the Free Software Foundation; either
10  version 2.1 of the License, or any later version.
11  
12  This library is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  Lesser General Public License for more details.
16  
17  You should have received a copy of the GNU Lesser General Public
18  License along with this library; if not, write to the Free Software
19  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
20  USA
21  
22  Initial developer(s): Jerome Moroy, Philippe Merle.
23  Contributor(s): ______________________________________.
24  
25  ====================================================================*/
26  
27  package org.objectweb.util.explorer.plugin.java;
28  
29  import java.util.Properties  ;
30  
31  import org.objectweb.util.explorer.api.Entry;
32  import org.objectweb.util.explorer.api.MenuItem;
33  import org.objectweb.util.explorer.api.MenuItemTreeView;
34  import org.objectweb.util.explorer.api.TreeView;
35  
36  
37  /**
38   * This class allows to remove a property from a <code>java.util.Properties<code> object.
39   *
40   * @author <a HREF="mailto:Jerome.Moroy@lifl.fr">Jerome Moroy</a>
41   * 
42   * @version 0.1
43   */
44  public class RemovePropertyAction 
45      implements MenuItem 
46  {
47  
48      //==================================================================
49      //
50      // No internal state.
51      //
52      //==================================================================
53  
54      //==================================================================
55      //
56      // No constructor.
57      // 
58      //==================================================================
59  
60      //==================================================================
61      //
62      // No internal method.
63      //
64      //==================================================================
65  
66      //==================================================================
67      //
68      // Public method for MenuItem interface.
69      //
70      //==================================================================
71  
72      /* (non-Javadoc)
73       * @see org.objectweb.util.explorer.api.MenuItem#getStatus(org.objectweb.util.explorer.api.TreeView)
74       */
75      public int getStatus(TreeView treeView) {
76          // Enabled item
77          return MenuItem.ENABLED_STATUS; 
78      }
79  
80      /* (non-Javadoc)
81       * @see org.objectweb.util.explorer.api.MenuItem#actionPerformed(org.objectweb.util.explorer.api.MenuItemTreeView)
82       */
83      public void actionPerformed(MenuItemTreeView treeView) throws Exception   {
84          // Obtaining the name of the entry
85          Entry entry = treeView.getSelectedEntry();
86          String   value = (String  )entry.getName();
87          // Obtaining the Java Properties
88          Properties   properties = (Properties  )treeView.getParentObject();
89          // Removing the property
90          properties.remove(value);
91      }
92  
93  }
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