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Java > Open Source Codes > org > exolab > jms > tools > admin > OpenJMSQueue


1 /**
2  * Redistribution and use of this software and associated documentation
3  * ("Software"), with or without modification, are permitted provided
4  * that the following conditions are met:
5  *
6  * 1. Redistributions of source code must retain copyright
7  * statements and notices. Redistributions must also contain a
8  * copy of this document.
9  *
10  * 2. Redistributions in binary form must reproduce the
11  * above copyright notice, this list of conditions and the
12  * following disclaimer in the documentation and/or other
13  * materials provided with the distribution.
14  *
15  * 3. The name "Exolab" must not be used to endorse or promote
16  * products derived from this Software without prior written
17  * permission of Exoffice Technologies. For written permission,
18  * please contact info@exolab.org.
19  *
20  * 4. Products derived from this Software may not be called "Exolab"
21  * nor may "Exolab" appear in their names without prior written
22  * permission of Exoffice Technologies. Exolab is a registered
23  * trademark of Exoffice Technologies.
24  *
25  * 5. Due credit should be given to the Exolab Project
26  * (http://www.exolab.org/).
27  *
28  * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29  * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32  * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39  * OF THE POSSIBILITY OF SUCH DAMAGE.
40  *
41  * Copyright 2001,2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42  *
43  * $Id: OpenJMSQueue.java,v 1.1 2004/11/26 01:51:15 tanderson Exp $
44  *
45  * Date Author Changes
46  * $Date jimm Created
47  */
48
49
50 package org.exolab.jms.tools.admin;
51
52 import java.awt.event.ActionEvent JavaDoc;
53 import java.awt.event.ActionListener JavaDoc;
54
55 import javax.swing.JMenuItem JavaDoc;
56 import javax.swing.JOptionPane JavaDoc;
57 import javax.swing.JPopupMenu JavaDoc;
58 import javax.swing.JTree JavaDoc;
59
60
61 /**
62  * Extends the OpenJMSDestination node and defines a queue specific node
63  *
64  * @version $Revision: 1.1 $ $Date: 2004/11/26 01:51:15 $
65  * @author <a HREF="mailto:mourikis@exolab.org">Jim Mourikis</a>
66  * @see OpenJMSObject
67  * @see AdminMgr
68  */
69 public class OpenJMSQueue
70     extends OpenJMSObject {
71
72     /**
73      * Construct a node with the specified queue name and the a reference
74      * to the parent node in the tree.
75      *
76      * @param name This queue name
77      * @param tree The parent tree that this node will belong too
78      *
79      */
80     public OpenJMSQueue(String JavaDoc name, JTree JavaDoc tree) {
81         super(name, tree);
82     }
83
84     /**
85      * Create the menu for all queue and set up the Action events for
86      * each menu item. Since menus are shared, the callbacks called are
87      * static. Once a menu is slected, the slected node can be determined
88      * from the parent object.
89      *
90      */
91     protected void createCommands() {
92         _commands = new JPopupMenu JavaDoc();
93         JMenuItem JavaDoc m = new JMenuItem JavaDoc("Delete Queue");
94         m.addActionListener(new ActionListener JavaDoc() {
95
96             public void actionPerformed(ActionEvent JavaDoc evt) {
97                 deleteQueue();
98             }
99         }
100         );
101         _commands.add(m);
102     }
103
104     /**
105      * No operation
106      */
107     public void update() {
108     }
109
110     /**
111      * Delete the selected queue object. Display a confirmation dialog
112      * and wait for its return. If the user has confirmed the action, first
113      * delete it from the database and if that is successful remove the node
114      * from the tree.
115      *
116      * <P>Note: deleting a queue/topic also deletes all consumers of this
117      * queue/topic.
118      *
119      */
120     static private void deleteQueue() {
121         OpenJMSQueue This = (OpenJMSQueue) getInstanceSelected();
122         QueryDialog.instance().display
123             ("Are you sure you want to delete \nselected Queue: "
124             + This._name);
125         if (org.exolab.jms.tools.admin.QueryDialog.instance().isConfirmed()) {
126             if (AbstractAdminConnection.instance().removeDestination(
127                 This._name)) {
128                 This.removeFromParent();
129                 This.refresh();
130             } else {
131                 JOptionPane.showMessageDialog
132                     (_tree, "Failed to destroy Queue",
133                         "Destroy Queue Error", JOptionPane.ERROR_MESSAGE);
134             }
135         }
136     }
137
138 } //-- OpenJMSQueue
139
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