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


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3  * ("Software"), with or without modification, are permitted provided
4  * that the following conditions are met:
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29  * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
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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 2000,2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42  *
43  * $Id: OfflineConnection.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.sql.Connection ;
54 import java.util.Enumeration ;
55 import java.util.Hashtable ;
56
57 import javax.naming.Context ;
58 import javax.naming.InitialContext ;
59 import javax.swing.JFileChooser ;
60 import javax.swing.JOptionPane ;
61 import javax.transaction.TransactionManager ;
62
63 import org.exolab.jms.authentication.User;
64 import org.exolab.jms.client.JmsDestination;
65 import org.exolab.jms.client.JmsQueue;
66 import org.exolab.jms.client.JmsTopic;
67 import org.exolab.jms.config.Configuration;
68 import org.exolab.jms.config.ConfigurationManager;
69 import org.exolab.jms.config.DatabaseConfiguration;
70 import org.exolab.jms.persistence.DatabaseService;
71 import org.exolab.jms.persistence.PersistenceException;
72
73
74 /**
75  * Connect directly to the Persistent store to retrieve information and perfrom
76  * updates.
77  *
78  * <P> Note: If the OpenJMSServer is active, this connection will fail, since
79  * it requires and exclusive lock on the database to avoid database corruption.
80  * Similarly, if this connection is active the OpenJMSServer cannot be started
81  * for the same reasons.
82  *
83  * @version $Revision: 1.1 $ $Date: 2004/11/26 01:51:15 $
84  * @author <a HREF="mailto:mourikis@exolab.org">Jim Mourikis</a>
85  * @see AbstractAdminConnection
86  * @see AdminMgr
87  */
88 public class OfflineConnection extends AbstractAdminConnection {
89
90     // The parent Gui
91 private Component _parent;
92
93     // The deafult JNDI context.
94 private Context _context = null;
95
96     /**
97      * Connect to the RMIAdmin Server if in online mode, or open
98      * the database and update the data directly in offline mode.
99      *
100      * @param online Indicates if we are connecting in online or offline mode.
101      * @param parent The component parent.
102      * @throws IllegalStateException if {@link ConfigurationManager} has not
103      * been initialised
104      * @throws OfflineConnectionException When the database cannot be opened
105      */
106     public OfflineConnection(Component parent)
107         throws OfflineConnectionException {
108         try {
109             if (_instance == null) {
110                 _parent = parent;
111
112                 Configuration config = ConfigurationManager.getConfig();
113
114                 DatabaseConfiguration dbconfig =
115                     config.getDatabaseConfiguration();
116
117                 // determine the database type and instantiate the appropriate
118 // database adapter
119 if (dbconfig.getRdbmsDatabaseConfiguration() != null) {
120                     DatabaseService.instance().getAdapter();
121                     _instance = this;
122                 } else {
123                     JFileChooser chooser = new JFileChooser (".");
124                     chooser.setDialogTitle
125                         ("Select OpenJMS Database to connect to");
126                     chooser.setFileFilter(new DatabaseFilter());
127                     int returnVal = chooser.showOpenDialog(parent);
128
129                     if (returnVal == JFileChooser.APPROVE_OPTION) {
130                         DatabaseService.instance().getAdapter();
131                         _instance = this;
132                     }
133                 }
134             } else {
135                 throw new org.exolab.jms.tools.admin.OfflineConnectionException("Already connected");
136             }
137         } catch (Exception err) {
138             throw new org.exolab.jms.tools.admin.OfflineConnectionException
139                 ("Database Error: " + err.getMessage());
140         }
141     }
142
143     // implementation of AbstractAdminConnection.close
144 public void close() {
145         DatabaseService.getAdapter().close();
146         _instance = null;
147     }
148
149     // implementation of AbstractAdminConnection.addDurableConsumer
150 public boolean addDurableConsumer(String topic, String name) {
151         boolean result = false;
152         Connection connection = null;
153
154         try {
155             connection = DatabaseService.getConnection();
156             DatabaseService.getAdapter().addDurableConsumer(connection, topic,
157                 name);
158             connection.commit();
159             result = true;
160
161         } catch (PersistenceException exception) {
162             try {
163                 connection.rollback();
164             } catch (Exception nested) {
165                 // ignore
166 }
167         } catch (Exception exception) {
168             // ignore for the moment
169 } finally {
170             if (connection != null) {
171                 try {
172                     connection.close();
173                 } catch (Exception nested) {
174                     // ignore
175 }
176             }
177         }
178
179         return result;
180     }
181
182     // implementation of AbstractAdminConnection.removeDurableConsumer
183 public boolean removeDurableConsumer(String name) {
184         boolean result = false;
185         Connection connection = null;
186
187         try {
188             connection = DatabaseService.getConnection();
189
190             DatabaseService.getAdapter().removeDurableConsumer(connection, name);
191             connection.commit();
192             result = true;
193
194         } catch (PersistenceException exception) {
195             try {
196                 connection.rollback();
197             } catch (Exception nested) {
198                 // ignore
199 }
200         } catch (Exception exception) {
201             // ignore for the moment
202 } finally {
203             if (connection != null) {
204                 try {
205                     connection.close();
206                 } catch (Exception nested) {
207                     // ignore
208 }
209             }
210         }
211
212         return result;
213     }
214
215     // implementation of AbstractAdminConnection.unregisterConsumer
216 public boolean unregisterConsumer(String name) {
217         return false;
218     }
219
220     // implementation of AbstractAdminConnection.isConnected
221 public boolean isConnected(String name) {
222         return false;
223     }
224
225     // implementation of AbstractAdminConnection.getAllDestinations
226 public Enumeration getAllDestinations() {
227         Enumeration result = null;
228         Connection connection = null;
229
230         try {
231             connection = DatabaseService.getConnection();
232
233             result = DatabaseService.getAdapter().getAllDestinations(
234                 connection);
235             connection.commit();
236         } catch (PersistenceException exception) {
237             try {
238                 connection.rollback();
239             } catch (Exception nested) {
240                 // ignore
241 }
242         } catch (Exception exception) {
243             // ignore for the moment
244 } finally {
245             if (connection != null) {
246                 try {
247                     connection.close();
248                 } catch (Exception nested) {
249                     // ignore
250 }
251             }
252         }
253
254         return result;
255     }
256
257     // implementation of AbstractAdminConnection.addDestination
258 public boolean addDestination(String destination, boolean isQueue) {
259         Connection connection = null;
260         boolean success = false;
261
262         try {
263             connection = DatabaseService.getConnection();
264
265             DatabaseService.getAdapter().addDestination(connection,
266                 destination, isQueue);
267             if (_context == null) {
268                 // connect to the JNDI server and get a reference to
269 // root context
270 Hashtable props = new Hashtable ();
271                 props.put(Context.INITIAL_CONTEXT_FACTORY,
272                     "org.exolab.jms.jndi.intravm.IntravmJndiServer");
273                 _context = new InitialContext (props);
274             }
275
276             Object ob = (isQueue ? (Object ) (new JmsQueue(destination)) :
277                 (Object ) (new JmsTopic(destination)));
278
279             if (ob instanceof JmsQueue) {
280                 ((JmsDestination) ob).setPersistent(true);
281             }
282
283             _context.rebind(destination, ob);
284             connection.commit();
285             success = true;
286         } catch (PersistenceException exception) {
287             System.err.println("Failed to add destination " + destination +
288                 " b/c " + exception.toString());
289             try {
290                 connection.rollback();
291             } catch (Exception nested) {
292                 // ignore
293 }
294         } catch (javax.naming.NamingException err) {
295             System.err.println("Failed to add " + destination +
296                 " in JNDI context");
297             try {
298                 connection.rollback();
299             } catch (Exception nested) {
300                 // ignore
301 }
302         } catch (Exception exception) {
303             // ignore for the moment
304 } finally {
305             if (connection != null) {
306                 try {
307                     connection.close();
308                 } catch (Exception nested) {
309                     // ignore
310 }
311             }
312         }
313
314         return success;
315     }
316
317     // implementation of AbstractAdminConnection.getDurableConsumerMessageCount
318 public int getDurableConsumerMessageCount(String topic, String name) {
319         int count = -1;
320         Connection connection = null;
321
322         try {
323             connection = DatabaseService.getConnection();
324
325             count = DatabaseService.getAdapter().getDurableConsumerMessageCount(
326                 connection, topic, name);
327             connection.commit();
328         } catch (PersistenceException exception) {
329             System.err.println("Failed to get message count for " + topic +
330                 " b/c " + exception.toString());
331             try {
332                 connection.rollback();
333             } catch (Exception nested) {
334                 // ignore
335 }
336         } catch (Exception exception) {
337             // ignore for the moment
338 } finally {
339             if (connection != null) {
340                 try {
341                     connection.close();
342                 } catch (Exception nested) {
343                     // ignore
344 }
345             }
346         }
347
348         return count;
349     }
350
351     // implementation of AbstractAdminConnection.getQueueMessageCount
352 public int getQueueMessageCount(String queue) {
353         int count = -1;
354         Connection connection = null;
355
356         try {
357             connection = DatabaseService.getConnection();
358
359             count = DatabaseService.getAdapter().getQueueMessageCount(
360                 connection, queue);
361             connection.commit();
362         } catch (PersistenceException exception) {
363             System.err.println("Failed to get message count for " + queue +
364                 " b/c " + exception.toString());
365             try {
366                 connection.rollback();
367             } catch (Exception nested) {
368                 // ignore
369 }
370         } catch (Exception exception) {
371             // ignore for the moment
372 } finally {
373             if (connection != null) {
374                 try {
375                     connection.close();
376                 } catch (Exception nested) {
377                     // ignore
378 }
379             }
380         }
381
382         return count;
383     }
384
385     // implementation of AbstractAdminConnection.durableConsumerExists
386 public boolean durableConsumerExists(String name) {
387         boolean result = false;
388         Connection connection = null;
389
390         try {
391             connection = DatabaseService.getConnection();
392
393             result = DatabaseService.getAdapter().durableConsumerExists(
394                 connection, name);
395             connection.commit();
396         } catch (PersistenceException exception) {
397             System.err.println("Failed on consumer exists for " + name +
398                 " b/c " + exception.toString());
399             try {
400                 connection.rollback();
401             } catch (Exception nested) {
402                 // ignore
403 }
404         } catch (Exception exception) {
405             // ignore for the moment
406 } finally {
407             if (connection != null) {
408                 try {
409                     connection.close();
410                 } catch (Exception nested) {
411                     // ignore
412 }
413             }
414         }
415
416         return result;
417     }
418
419     // implementation of AbstractAdminConnection.getDurableConsumers
420 public Enumeration getDurableConsumers(String topic) {
421         Enumeration result = null;
422         Connection connection = null;
423
424         try {
425             connection = DatabaseService.getConnection();
426
427             result = DatabaseService.getAdapter().getDurableConsumers(
428                 connection, topic);
429             connection.commit();
430         } catch (PersistenceException exception) {
431             System.err.println("Failed on getDurableConsumers for " + topic +
432                 " b/c " + exception.toString());
433             try {
434                 connection.rollback();
435             } catch (Exception nested) {
436                 // ignore
437 }
438         } catch (Exception exception) {
439             // ignore for the moment
440 } finally {
441             if (connection != null) {
442                 try {
443                     connection.close();
444                 } catch (Exception nested) {
445                     // ignore
446 }
447             }
448         }
449
450         return result;
451     }
452
453     // implementation of AbstractAdminConnection.removeDestination
454 public boolean removeDestination(String destination) {
455         boolean result = false;
456         Connection connection = null;
457
458         try {
459             connection = DatabaseService.getConnection();
460
461             DatabaseService.getAdapter().removeDestination(connection,
462                 destination);
463             if (_context == null) {
464                 // connect to the JNDI server and get a reference to
465 // root context
466 Hashtable props = new Hashtable ();
467                 props.put(Context.INITIAL_CONTEXT_FACTORY,
468                     "org.exolab.jms.jndi.intravm.IntravmJndiServer");
469                 _context = new InitialContext (props);
470             }
471             _context.unbind(destination);
472             connection.commit();
473             result = true;
474         } catch (PersistenceException exception) {
475             System.err.println("Failed on getDurableConsumers for " +
476                 destination + " b/c " + exception.toString());
477             try {
478                 connection.rollback();
479             } catch (Exception nested) {
480                 // ignore
481 }
482         } catch (javax.naming.NamingException err) {
483             System.err.println("Failed to removeDestination " + destination +
484                 " b/c" + err.toString());
485             try {
486                 connection.rollback();
487             } catch (Exception nested) {
488                 // ignore
489 }
490         } catch (Exception exception) {
491             // ignore for the moment
492 } finally {
493             if (connection != null) {
494                 try {
495                     connection.close();
496                 } catch (Exception nested) {
497                     // ignore
498 }
499             }
500         }
501
502         return result;
503     }
504
505     // implementation of AbstractAdminConnection.purgeMessages
506 public int purgeMessages() {
507         return DatabaseService.getAdapter().purgeMessages();
508     }
509
510     // implementation of AbstractAdminConnection.stopServer
511 public void stopServer() {
512         JOptionPane.showMessageDialog
513             (_parent, "Not available in offline mode",
514                 "Shutdown Error", JOptionPane.ERROR_MESSAGE);
515     }
516
517     // implementation of AbstractAdminConnection.addUser
518 public boolean addUser(String username, String password) {
519         Connection connection = null;
520         boolean success = false;
521
522         try {
523             connection = DatabaseService.getConnection();
524
525             DatabaseService.getAdapter().addUser(connection,
526                 new User(username, password));
527             connection.commit();
528             success = true;
529         } catch (PersistenceException exception) {
530             System.err.println("Failed to add user " + username +
531                 exception.toString());
532             try {
533                 connection.rollback();
534             } catch (Exception nested) {
535                 // ignore
536 }
537         } catch (Exception exception) {
538             // ignore for the moment
539 } finally {
540             if (connection != null) {
541                 try {
542                     connection.close();
543                 } catch (Exception nested) {
544                     // ignore
545 }
546             }
547         }
548
549         return success;
550     }
551
552     // implementation of AbstractAdminConnection.changePassord
553 public boolean changePassword(String username, String password) {
554         Connection connection = null;
555         boolean success = false;
556
557         try {
558             connection = DatabaseService.getConnection();
559
560             DatabaseService.getAdapter().updateUser(connection,
561                 new User(username, password));
562             connection.commit();
563             success = true;
564         } catch (PersistenceException exception) {
565             System.err.println("Failed to add user " + username +
566                 exception.toString());
567             try {
568                 connection.rollback();
569             } catch (Exception nested) {
570                 // ignore
571 }
572         } catch (Exception exception) {
573             // ignore for the moment
574 } finally {
575             if (connection != null) {
576                 try {
577                     connection.close();
578                 } catch (Exception nested) {
579                     // ignore
580 }
581             }
582         }
583
584         return success;
585     }
586
587     // implementation of AbstractAdminConnection.removeUser
588 public boolean removeUser(String username) {
589         boolean result = false;
590         Connection connection = null;
591
592         try {
593             connection = DatabaseService.getConnection();
594
595             DatabaseService.getAdapter().removeUser(connection,
596                 new User(username, null));
597             connection.commit();
598             result = true;
599         } catch (PersistenceException exception) {
600             System.err.println("Failed on remove user for " +
601                 username + exception.toString());
602             try {
603                 connection.rollback();
604             } catch (Exception nested) {
605                 // ignore
606 }
607         } catch (Exception exception) {
608             // ignore for the moment
609 } finally {
610             if (connection != null) {
611                 try {
612                     connection.close();
613                 } catch (Exception nested) {
614                     // ignore
615 }
616             }
617         }
618
619         return result;
620     }
621
622     // implementation of AbstractAdminConnection.getAllUsers
623 public Enumeration getAllUsers() {
624         Enumeration result = null;
625         Connection connection = null;
626
627         try {
628             connection = DatabaseService.getConnection();
629
630             result = DatabaseService.getAdapter().getAllUsers(
631                 connection);
632             connection.commit();
633         } catch (PersistenceException exception) {
634             System.err.println("Failed on getAllUsers "
635                 + exception.toString());
636             try {
637                 connection.rollback();
638             } catch (Exception nested) {
639                 // ignore
640 }
641         } catch (Exception exception) {
642             // ignore for the moment
643 } finally {
644             if (connection != null) {
645                 try {
646                     connection.close();
647                 } catch (Exception nested) {
648                     // ignore
649 }
650             }
651         }
652
653         return result;
654     }
655 } //-- OfflineConnection
656

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