AdminInfo


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 2000 (C) Exoffice Technologies Inc. All Rights Reserved.
42   *
43   * $Id: AdminInfo.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.Component  ;
53  import java.awt.FlowLayout  ;
54  
55  import javax.swing.Box  ;
56  import javax.swing.JPanel  ;
57  import javax.swing.JTextField  ;
58  import javax.swing.JTree  ;
59  import javax.swing.UIManager  ;
60  import javax.swing.tree.DefaultTreeCellRenderer  ;
61  
62  
63  /**
64   * Extracts information about a queue/topic and consumer from the OpenJMSServer
65   * and displays it next to the appropriate cell, in a JTextField.
66   *
67   * The class inherits from DefaultTreeCellrenderer, and is called each time
68   * the tree object needs to redraw itself.
69   *
70   * @version     $Revision: 1.1 $ $Date: 2004/11/26 01:51:15 $
71   * @author      <a HREF="mailto:mourikis@exolab.org">Jim Mourikis</a>
72   */
73  public class AdminInfo extends DefaultTreeCellRenderer   {
74  
75      // The text field used to display the info for the cell.
76      protected JTextField   field_ = new JTextField  ("No Messages");
77  
78      // The Horizontal box structure the JTextField is inserted into,
79      // to make the cell and text field appear next to each other.
80      private Component   strut_ = Box.createHorizontalStrut(5);
81  
82      // The panel use to contain the above two swing objects.
83      private JPanel   panel_ = new JPanel  ();
84  
85      /**
86       * Construct the panel, and set the background to be that of the tree.
87       * Add the cell, display text field and the horizontal layout to the panel.
88       *
89       */
90      public AdminInfo() {
91          panel_.setBackground(UIManager.getColor("Tree.textBackground"));
92          setOpaque(false);
93          field_.setOpaque(false);
94          panel_.setOpaque(false);
95  
96          panel_.setLayout(new FlowLayout  (FlowLayout.CENTER, 0, 0));
97          panel_.add(this);
98          panel_.add(strut_);
99          panel_.add(field_);
100     }
101 
102 
103     /**
104      * A draw request for the cell has been made. If the cell is a queue/topic
105      * fetch all the relevant details, and write the string to the textfield.
106      * If the cell is a consumer, fetch all the consumer details, and write
107      * them into the text field.
108      * For all other cell types do not display the textfield.
109      *
110      * @param tree  The JTree this cell belongs to.
111      * @param value The cell being rendered.
112      * @param selected True if this cell has been selected.
113      * @param expanded True if this cell has been opened up.
114      * @param leaf True if this is a leaf node.
115      * @param row The row this node is in.
116      * @param hasFocus True is this node currently has the focus.
117      * @return Component The panel all the object belong to.
118      *
119      */
120     public Component   getTreeCellRendererComponent
121         (JTree   tree, Object   value, boolean selected, boolean expanded,
122          boolean leaf, int row, boolean hasFocus) {
123         super.getTreeCellRendererComponent(tree, value, selected, expanded,
124             leaf, row, hasFocus);
125         if (value instanceof OpenJMSNode) {
126             field_.setForeground(java.awt.Color.black);
127             if (value instanceof OpenJMSQueue) {
128                 if (AbstractAdminConnection.instance() != null) {
129                     OpenJMSQueue queue = (OpenJMSQueue) value;
130 
131                     int num = AbstractAdminConnection.instance().getQueueMessageCount(
132                         queue.toString());
133                     String   st = Integer.toString(num);
134                     field_.setText(st);
135                     field_.setVisible(true);
136                 }
137             } else if (value instanceof OpenJMSTopic) {
138                 // do nothing
139                 field_.setVisible(false);
140             } else if (value instanceof OpenJMSUser) {
141                 // do nothing
142                 field_.setVisible(false);
143             } else if (value instanceof OpenJMSConsumer) {
144                 if (AbstractAdminConnection.instance() != null) {
145                     OpenJMSConsumer consumer = (OpenJMSConsumer) value;
146                     OpenJMSTopic topic = (OpenJMSTopic) consumer.getParent();
147 
148                     int num = AbstractAdminConnection.instance().getDurableConsumerMessageCount(
149                         topic.toString(), consumer.toString());
150                     String   st = Integer.toString(num);
151 
152                     if (AbstractAdminConnection.instance().isConnected(
153                         consumer.toString())) {
154                         field_.setForeground(java.awt.Color.red);
155                     }
156                     field_.setText(st);
157                     field_.setVisible(true);
158                 }
159             }
160         } else {
161             field_.setVisible(false);
162         }
163 
164         return panel_;
165     }
166 
167 } // End AdminInfo
168
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags