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Java > Open Source Codes > org > objectweb > fractal > explorer > menu > StopComponentAction


1 /*====================================================================
2  
3  Objectweb Browser 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.
23  Contributor(s): ______________________________________.
24  
25  ---------------------------------------------------------------------
26  $Id: StopComponentAction.java,v 1.3 2004/11/15 16:44:24 moroy Exp $
27  ====================================================================*/
28
29 package org.objectweb.fractal.explorer.menu;
30
31 import org.objectweb.fractal.api.Component;
32 import org.objectweb.fractal.api.NoSuchInterfaceException;
33 import org.objectweb.fractal.api.control.IllegalLifeCycleException;
34 import org.objectweb.fractal.api.control.LifeCycleController;
35 import org.objectweb.fractal.explorer.FcExplorer;
36 import org.objectweb.util.explorer.api.MenuItem;
37 import org.objectweb.util.explorer.api.MenuItemTreeView;
38 import org.objectweb.util.explorer.api.TreeView;
39
40 /**
41  * This action allows to start/stop the component.
42  * @author <a HREF="mailto:Jerome.Moroy@lifl.fr">Jerome Moroy</a>
43  * @version 0.1
44  */
45 public class StopComponentAction
46   implements MenuItem
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 methods for MenuItem interface.
69 //
70 //==================================================================
71
72     /* (non-Javadoc)
73      * @see org.objectweb.util.explorer.api.MenuItem#actionPerformed(org.objectweb.util.explorer.api.MenuItemTreeView)
74      */
75     public void actionPerformed(MenuItemTreeView e) {
76         Component ci = (Component)e.getSelectedObject();
77         try {
78             LifeCycleController lcc = FcExplorer.getLifeCycleController(ci);
79             lcc.stopFc();
80         } catch (NoSuchInterfaceException e1) {
81             e1.printStackTrace();
82         } catch (IllegalLifeCycleException e1) {
83             e1.printStackTrace();
84         }
85     }
86     
87     /* (non-Javadoc)
88      * @see org.objectweb.util.explorer.api.MenuItem#getStatus(org.objectweb.util.explorer.api.TreeView)
89      */
90     public int getStatus(TreeView treeView) {
91         Component ci = (Component)treeView.getSelectedObject();
92         try {
93             LifeCycleController lcc = FcExplorer.getLifeCycleController(ci);
94             String JavaDoc status = lcc.getFcState();
95             if (status.equals(LifeCycleController.STOPPED))
96                 return MenuItem.NOT_VISIBLE_STATUS;
97         } catch (NoSuchInterfaceException e) {
98             return MenuItem.NOT_VISIBLE_STATUS;
99         }
100         return MenuItem.ENABLED_STATUS;
101     }
102 }
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