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1
26
27
28 package org.objectweb.mobilitools.smi.goodies;
29
30
31 import java.awt.*;
32 import org.omg.CORBA.*;
33 import java.awt.event.*;
34 import java.util.Observer  ;
35 import java.util.Observable ;
36 import java.util.Properties ;
37 import java.util.StringTokenizer ;
38 import java.io.*;
39 import org.objectweb.mobilitools.smi.*;
40 import org.objectweb.mobilitools.smi.api.*;
41 import org.objectweb.mobilitools.util.gui.*;
42 import org.omg.CfMAF.*;
43
44
45
51 public class AgencyGUI
52 extends Frame
53 implements FormListener, Observer , ActionListener, ItemListener
54 {
55 Button updateBtn, createBtn, terminateBtn, viewBtn, moveBtn, shutdownBtn, resumeBtn, suspendBtn;
56 Panel bottomPnl;
57 List namesLst;
58 Checkbox manualChk;
59 Agency agency;
60 org.omg.CfMAF.Name[] names;
61 static boolean standalone = false;
62
63
64
68 static public void main(String [] args)
69 {
70 ORB orb = ORB.init(args, null);
71 AgencyGUI.standalone = true;
72 try
73 {
74 new AgencyGUI(new Agency(args[0], args[1], orb));
75 orb.run();
76 }
77 catch (BadOperation e)
78 {
79 e.printStackTrace();
80 System.exit(-1);
81 }
82 }
83
84
85
89 public AgencyGUI(Agency the_agency)
90 {
91 agency = the_agency;
92 agency.exitOnTerminate(true, -1);
93 setLayout(new BorderLayout());
94 Panel topPnl = new Panel();
95 topPnl.setLayout(new FlowLayout());
96 topPnl.add(manualChk = new Checkbox("manual update", false));
97 manualChk.addItemListener(this);
98 topPnl.add(updateBtn = new Button("update"));
99 updateBtn.setEnabled(false);
100 updateBtn.addActionListener(this);
101 topPnl.add(createBtn = new Button("create"));
102 createBtn.addActionListener(this);
103 topPnl.add(shutdownBtn = new Button("shutdown"));
104 shutdownBtn.addActionListener(this);
105 add("North", topPnl);
106 add("Center", namesLst = new List());
107 namesLst.addActionListener(this);
108 namesLst.addItemListener(this);
109 bottomPnl = new Panel();
110 bottomPnl.add(viewBtn = new Button("view"));
111 viewBtn.addActionListener(this);
112 bottomPnl.add(suspendBtn = new Button("suspend"));
113 suspendBtn.addActionListener(this);
114 bottomPnl.add(resumeBtn = new Button("resume"));
115 resumeBtn.addActionListener(this);
116 bottomPnl.add(moveBtn = new Button("move"));
117 moveBtn.addActionListener(this);
118 bottomPnl.add(terminateBtn = new Button("terminate"));
119 terminateBtn.addActionListener(this);
120 add("South", bottomPnl);
121 setTitle(
122 "SMI agency " + agency.getName() +
123 ", region " + agency.getRegion());
124 updateNames();
125 the_agency.addObserver(this);
126 addWindowListener(new OnWindowClosing());
127 pack();
128 show();
129 }
130
131
132
135 synchronized void updateNames()
136 {
137 names = agency.listAgents((AgentProfile)null);
138 if (namesLst.getItemCount() > 0)
139 {
140 namesLst.removeAll();
141 }
142 for (int i=0 ; i<names.length ; ++i)
143 {
144 namesLst.add(
145 new String (names[i].identity) +
146 " (" +
147 new String (names[i].authority) +
148 ")");
149 }
150 bottomPnl.setEnabled(false);
151 }
152
153
154
160 public void shutdown(int exitCode)
161 {
162 try
163 {
164 agency.terminate();
165 }
166 catch (Exception e)
167 {
168 e.printStackTrace();
169 }
170 dispose();
171 if (standalone)
172 {
173 System.exit(exitCode);
174 }
175 }
176
177
178
182 public void formResult(String [] result)
183 {
184 if (result != null)
185 {
186 if (result[result.length-1].equals("create"))
188 {
189 StringTokenizer parser = new StringTokenizer (result[4], " ");
190 String [] args = new String [parser.countTokens()];
191 for (int i=0 ; i<args.length ; ++i)
192 {
193 args[i] = parser.nextToken();
194 }
195 try
196 {
197 agency.createLocalAgent(
198 result[0],
199 new org.objectweb.mobilitools.smi.api.Name(
200 System.getProperty("user.name"),
201 result[1],
202 agency.getAgentSystemInfo().agent_system_type),
203 result[2],
204 result[3],
205 new Properties (),
206 args);
207 }
208 catch (BadOperation e)
209 {
210 new AlertWindow(
211 this,
212 "Can't create agent",
213 e.getMessage(),
214 "OK");
215 }
216 }
217 else if (result[result.length-1].equals("move"))
219 {
220 try
221 {
222 agency.moveLocalAgent(
223 new org.objectweb.mobilitools.smi.api.Name(names[namesLst.getSelectedIndex()]),
224 new Location(result[0], result[1]),
225 result[2]);
226 }
227 catch (BadOperation e)
228 {
229 new AlertWindow(
230 this,
231 "Can't move agent " + namesLst.getSelectedItem(),
232 e.getMessage() + "\n(error code " + String.valueOf(e.getReason()) + ")",
233 "OK");
234 }
235 }
236 else if (result[result.length-1].equals("shutdown"))
238 {
239 shutdown(0);
240 }
241 }
242 }
243
244
245
249
250 public void update(Observable o, java.lang.Object arg)
251 {
252 if (arg == Agency.NOTIFY_TERMINATE)
253 {
254 dispose();
255 }
256 else
257 {
258 updateNames();
259 }
260 }
261
262
263
267
268 public void actionPerformed(ActionEvent e)
269 {
270 if (e.getSource() == updateBtn)
271 {
272 updateNames();
273 }
274 else if (e.getSource() == createBtn)
275 {
276 String [] fields = {
277 "class name",
278 "agent name",
279 "place name",
280 "code base",
281 "arguments" };
282 String [] buttons = {
283 "create",
284 "cancel" };
285 FormFrame form = new FormFrame(
286 "Create an agent",
287 "Enter the following parameters:",
288 fields,
289 buttons);
290 form.run(this);
291 }
292 else if (e.getSource() == terminateBtn)
293 {
294 try
295 {
296 agency.terminateLocalAgent(new org.objectweb.mobilitools.smi.api.Name(names[namesLst.getSelectedIndex()]));
297 }
298 catch (BadOperation ex)
299 {
300 new AlertWindow(
301 this,
302 "Warning",
303 ex.getMessage(),
304 "OK");
305 }
306 }
307 else if (e.getSource() == viewBtn || e.getSource() == namesLst)
308 {
309 AgentInfo info = agency.getAgentInfo(
310 new org.objectweb.mobilitools.smi.api.Name(names[namesLst.getSelectedIndex()]));
311 StringWriter strWriter = new StringWriter();
312 info.getProperties().list(new PrintWriter(strWriter));
313 String message =
314 "Name: " + info.getName().identity() + "\n" +
315 "Authority: " + info.getName().authority() + "\n" +
316 "Codebase: " + info.getCodebase() + "\n" +
317 "Place: " + info.getPlace() + "\n" +
318 "Activity: " + (info.isRunning() ? " running\n" : " suspended\n") +
319 strWriter.toString();
320 AlertWindow window = new AlertWindow(
321 this,
322 "Information on agent " + namesLst.getSelectedItem(),
323 message,
324 "OK");
325 }
326 else if (e.getSource() == moveBtn)
327 {
328 String [] fields = { "region", "agency", "place" };
329 String [] buttons = { "move", "stay" };
330 FormFrame moveFrame = new FormFrame(
331 "Move agent " + namesLst.getSelectedItem(),
332 "destination for agent " + namesLst.getSelectedItem(),
333 fields,
334 buttons);
335 moveFrame.run(this);
336 }
337 else if (e.getSource() == shutdownBtn)
338 {
339 String [] buttons = {
340 "shutdown",
341 "cancel" };
342 FormFrame form = new FormFrame(
343 "Shutdown agency " + agency.getName() + "?",
344 "Please confirm killing the agency and hosted agents.",
345 new String [0],
346 buttons);
347 form.run(this);
348 }
349 else if (e.getSource() == suspendBtn)
350 {
351 try
352 {
353 agency.suspendLocalAgent(new org.objectweb.mobilitools.smi.api.Name(names[namesLst.getSelectedIndex()]));
354 }
355 catch (BadOperation ex)
356 {
357 if (ex.getReason() == BadOperation.UNKNOWNAGENT)
358 {
359 updateNames();
360 }
361 else
362 {
363 new AlertWindow(
364 this,
365 "Warning",
366 ex.getMessage(),
367 "OK");
368 }
369 }
370 }
371 else if (e.getSource() == resumeBtn)
372 {
373 try
374 {
375 agency.resumeLocalAgent(new org.objectweb.mobilitools.smi.api.Name(names[namesLst.getSelectedIndex()]));
376 }
377 catch (BadOperation ex)
378 {
379 if (ex.getReason() == BadOperation.UNKNOWNAGENT)
380 {
381 updateNames();
382 }
383 else
384 {
385 new AlertWindow(
386 this,
387 "Warning",
388 ex.getMessage(),
389 "OK");
390 }
391 }
392 }
393 }
394
395
396
400
401 public void itemStateChanged(ItemEvent e)
402 {
403 switch (e.getStateChange())
404 {
405 case ItemEvent.SELECTED:
406 if (e.getSource() == manualChk)
407 {
408 updateBtn.setEnabled(true);
409 agency.deleteObserver(this);
410 }
411 else if (e.getSource() == namesLst)
412 {
413 bottomPnl.setEnabled(true);
414 }
415 break;
416 case ItemEvent.DESELECTED:
417 if (e.getSource() == manualChk)
418 {
419 updateBtn.setEnabled(false);
420 updateNames();
421 agency.addObserver(this);
422 }
423 else if (e.getSource() == namesLst)
424 {
425 bottomPnl.setEnabled(false);
426 }
427 break;
428 }
429 }
430
431
432
436
437 class OnWindowClosing extends WindowAdapter
438 {
439 public void windowClosing(WindowEvent e)
440 {
441 AgencyGUI.this.shutdown(0);
442 }
443 }
444 }
445 |
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