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1 package com.ubermq.jms.ui.admin;
2
3 import com.ubermq.jms.server.admin.*;
4 import java.awt.*;
5 import java.awt.event.*;
6 import java.rmi.*;
7 import java.text.*;
8 import javax.swing.*;
9 import javax.swing.event.*;
10 import javax.swing.table.*;
11 import javax.swing.tree.*;
12
13 public class AdminViewer
14 extends JFrame
15 {
16 private final AdminController c;
17
18 private final JTree serverTree;
19 private final JEditorPane messagePane;
20 private final JSplitPane splitter;
21
22 private final Action connectAction,
24 disconnectAction,
25 refreshAction,
26 exitAction,
27 viewRefreshAction;
28
29 static final ImageIcon serverIcon =
31 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/network.png")));
32 static final ImageIcon scriptIcon =
33 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/history.png")));
34 static final ImageIcon scriptDeletedIcon =
35 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/history_clear.png")));
36 static final ImageIcon queueIcon =
37 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/queue.png")));
38 static final ImageIcon deleteIcon =
39 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/fileclose.png")));
40 static final ImageIcon refreshIcon =
41 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/refresh.png")));
42 static final ImageIcon socketIcon =
43 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/socket.png")));
44 static final ImageIcon envelopeIcon =
45 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/mail_generic.png")));
46 static final ImageIcon homeIcon =
47 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/gohome.png")));
48 static final ImageIcon okIcon =
49 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/ok.png")));
50 static final ImageIcon stopIcon =
51 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/stop.png")));
52 static final ImageIcon trashIcon =
53 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/trashcan_empty.png")));
54 static final ImageIcon rightArrowIcon =
55 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/1rightarrow.png")));
56 static final ImageIcon downArrowIcon =
57 new ImageIcon(Toolkit.getDefaultToolkit().getImage(AdminViewer.class.getResource("/images/1downarrow.png")));
58
59 public AdminViewer(final AdminController c)
60 {
61 super("UberMQ Administration");
62 this.c = c;
63
64 serverTree = new JTree(c.getTreeModel());
66 serverTree.expandRow(0);
67 serverTree.setScrollsOnExpand(true);
68 serverTree.setCellRenderer(new MyTreeCellRenderer());
69
70 final TreeSelectionModel tsm = new DefaultTreeSelectionModel();
71 tsm.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
72 serverTree.setSelectionModel(tsm);
73
74 messagePane = new JEditorPane("text/html", "");
76 messagePane.setEditable(false);
77
78 Component right = new JScrollPane(messagePane);
80
81 splitter = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,
83 new JScrollPane(serverTree),
84 right);
85
86 getContentPane().add(splitter, BorderLayout.CENTER);
88
89 connectAction = new ConnectAction();
91 disconnectAction = new DisconnectAction();
92 disconnectAction.setEnabled(false);
93 exitAction = new ExitAction();
94 refreshAction = new ServerRefreshAction();
95 refreshAction.setEnabled(false);
96 viewRefreshAction = new ViewRefreshAction();
97 viewRefreshAction.setEnabled(false);
98
99 setJMenuBar(setupMenuBar());
101
102 c.getTreeModel().addTreeModelListener(new TreeModelListener() {
105 public void treeNodesRemoved(TreeModelEvent e)
106 {
107 }
108 public void treeNodesChanged(TreeModelEvent e)
109 {
110 }
111 public void treeStructureChanged(final TreeModelEvent e)
112 {
113 }
114 public void treeNodesInserted(final TreeModelEvent e)
115 {
116 SwingUtilities.invokeLater(new Runnable  () {
118 public void run()
119 {
120 serverTree.expandPath(e.getTreePath());
121 }
122 });
123 }
124 });
125
126 serverTree.addTreeSelectionListener(new TreeSelectionListener() {
130
131
135 public void valueChanged(javax.swing.event.TreeSelectionEvent e)
136 {
137 TreeNode selection = null;
138 if (!tsm.isSelectionEmpty()) {
139 selection = (TreeNode)tsm.getSelectionPath().getLastPathComponent();
140 setMessageFromNode(selection);
141 }
142
143 viewRefreshAction.setEnabled(!tsm.isSelectionEmpty());
145 disconnectAction.setEnabled(selection instanceof ServerTreeNode);
146 refreshAction.setEnabled(selection instanceof ServerTreeNode);
147 }
148
149 });
150
151 MouseListener popupListener = new PopupListener();
153 serverTree.addMouseListener(popupListener);
154 }
155
156 private void setMessageFromNode(TreeNode selection)
157 {
158 String text = "";
160 if (selection instanceof AdminTreeNode)
161 text = ((AdminTreeNode)selection).getDescription();
162 messagePane.setText(text);
163 }
164
165 private class ViewRefreshAction extends AbstractAction
166 {
167 public ViewRefreshAction()
168 {
169 super("Refresh", refreshIcon);
170 putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_F5, 0));
171 }
172
173 public void actionPerformed(ActionEvent e)
174 {
175 setMessageFromNode((TreeNode)serverTree.getSelectionPath().getLastPathComponent());
176 }
177 }
178
179 private class ConnectAction extends AbstractAction
180 {
181 public ConnectAction()
182 {
183 super("Connect...", serverIcon);
184 putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_C, KeyEvent.ALT_DOWN_MASK));
185 }
186
187 public void actionPerformed(ActionEvent e)
188 {
189 String uri =
190 JOptionPane.showInputDialog(AdminViewer.this,
191 "Please enter the URI of the server to connect to.",
192 "//localhost:3998/UberMQAdmin");
193 if (uri == null ||
194 uri.length() == 0)
195 return;
196
197 try
198 {
199 c.connect((MessageServerAdmin)Naming.lookup(uri));
200 }
201 catch (Exception x) {
202 JOptionPane.showMessageDialog(AdminViewer.this, x.getMessage());
203 }
204 }
205 }
206
207 private class DisconnectAction extends AbstractAction
208 {
209 public DisconnectAction() {super("Disconnect", stopIcon);}
210 public void actionPerformed(ActionEvent e)
211 {
212 if (!serverTree.isSelectionEmpty())
213 {
214 try
215 {
216 ServerTreeNode stn = (ServerTreeNode)serverTree.getSelectionPath().getLastPathComponent();
217 c.disconnect(stn);
218 }
219 catch (java.rmi.RemoteException x) {
220 JOptionPane.showMessageDialog(null, x.getMessage());
221 }
222 }
223 }
224 }
225
226 private class ServerRefreshAction extends AbstractAction
227 {
228 public ServerRefreshAction() {super("Refresh", refreshIcon);}
229 public void actionPerformed(ActionEvent e)
230 {
231 try
232 {
233 ServerTreeNode stn = (ServerTreeNode)serverTree.getSelectionPath().getLastPathComponent();
234 stn.refresh(c.getTreeModel());
235 }
236 catch (java.rmi.RemoteException x) {
237 JOptionPane.showMessageDialog(null, x.getMessage());
238 }
239 }
240 }
241
242 private class ExitAction extends AbstractAction
243 {
244 public ExitAction() {super("Exit");}
245 public void actionPerformed(ActionEvent e)
246 {
247 System.exit(0);
248 }
249 }
250
251 JMenuBar setupMenuBar()
252 {
253 JMenuBar menuBar = new JMenuBar();
254
255 JMenu serverMenu = new JMenu("Server");
257 serverMenu.add(connectAction);
258 serverMenu.add(disconnectAction);
259 serverMenu.addSeparator();
260 serverMenu.add(refreshAction);
261 serverMenu.addSeparator();
262 serverMenu.add(exitAction);
263
264 JMenu viewMenu = new JMenu("View");
266 viewMenu.add(viewRefreshAction);
267
268 menuBar.add(serverMenu);
270 menuBar.add(viewMenu);
271 return menuBar;
272 }
273
274 private class PopupListener extends MouseAdapter {
275 public void mousePressed(MouseEvent e) {
276 maybeShowPopup(e);
277 }
278
279 public void mouseReleased(MouseEvent e) {
280 maybeShowPopup(e);
281 }
282
283 private void maybeShowPopup(MouseEvent e) {
284 if (e.isPopupTrigger()) {
285 TreePath tp = serverTree.getPathForLocation(e.getPoint().x, e.getPoint().y);
286 Object o = tp.getLastPathComponent();
287 if (o instanceof AdminTreeNode)
288 {
289 JPopupMenu popup = ((AdminTreeNode)o).getContextMenu();
290 if (popup != null)
291 popup.show(e.getComponent(),
292 e.getX(), e.getY());
293 }
294 }
295 }
296 }
297
298 private class MyTreeCellRenderer
299 extends DefaultTreeCellRenderer
300 {
301 public Component getTreeCellRendererComponent(
302 JTree tree,
303 Object value,
304 boolean sel,
305 boolean expanded,
306 boolean leaf,
307 int row,
308 boolean hasFocus)
309 {
310 super.getTreeCellRendererComponent(
311 tree, value, sel,
312 expanded, leaf, row,
313 hasFocus);
314
315 ImageIcon icon = null;
316 if (value instanceof AdminTreeNode)
317 icon = ((AdminTreeNode)value).getImageIcon();
318 else if (value == c.getTreeModel().getRoot())
319 icon = AdminViewer.homeIcon;
320 if (icon != null)
321 setIcon(icon);
322
323 return this;
324 }
325 }
326
327 private static class MyDateRenderer
328 extends DefaultTableCellRenderer
329 implements TableCellRenderer
330 {
331 private static final DateFormat df =
332 new SimpleDateFormat("dd MMM yyyy HH:mm:ss.SSS");
333
334 public java.awt.Component getTableCellRendererComponent(JTable table,
335 Object value,
336 boolean isSelected,
337 boolean hasFocus,
338 int row,
339 int column)
340 {
341 return super.getTableCellRendererComponent(table,
342 df.format((java.util.Date )value),
343 isSelected,
344 hasFocus,
345 row,
346 column);
347 }
348 }
349
350 private static final Dimension INITIAL_SIZE = new Dimension(600, 400);
351 private static final double DIVIDER_PROPORTION = 0.4;
352
353
356 public static void main(String [] args)
357 {
358 AdminController c = new AdminController();
359
360 AdminViewer frame = new AdminViewer(c);
362
363 frame.addWindowListener(new WindowAdapter() {
364 public void windowClosing(WindowEvent e) {System.exit(0);}
365 });
366
367
368 frame.pack();
369 frame.setSize(INITIAL_SIZE);
370 frame.setVisible(true);
371 frame.splitter.setDividerLocation(DIVIDER_PROPORTION);
372 }
373
374 }
375
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