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svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.framework / org.gvsig.andami / src / main / java / org / gvsig / andami / PluginServices.java @ 42102

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/**
2
 * gvSIG. Desktop Geographic Information System.
3
 *
4
 * Copyright (C) 2007-2013 gvSIG Association.
5
 *
6
 * This program is free software; you can redistribute it and/or
7
 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 3
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 * of the License, or (at your option) any later version.
10
 *
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 * This program is distributed in the hope that it will be useful,
12
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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 * MA  02110-1301, USA.
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 *
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 * For any additional information, do not hesitate to contact us
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 * at info AT gvsig.com, or visit our website www.gvsig.com.
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 */
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package org.gvsig.andami;
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26
import java.awt.Component;
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import java.awt.Frame;
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import java.awt.KeyEventDispatcher;
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import java.awt.Toolkit;
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import java.awt.datatransfer.DataFlavor;
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import java.awt.datatransfer.StringSelection;
32
import java.awt.datatransfer.UnsupportedFlavorException;
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import java.awt.event.ActionListener;
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import java.io.File;
35
import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
38
import java.io.IOException;
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import java.lang.reflect.InvocationTargetException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Properties;
45

    
46
import javax.swing.JOptionPane;
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import javax.swing.KeyStroke;
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import javax.swing.SwingUtilities;
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import javax.swing.Timer;
50

    
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import org.gvsig.andami.messages.NotificationManager;
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import org.gvsig.andami.plugins.ExclusiveUIExtension;
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import org.gvsig.andami.plugins.ExtensionDecorator;
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import org.gvsig.andami.plugins.IExtension;
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import org.gvsig.andami.plugins.PluginClassLoader;
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import org.gvsig.andami.preferences.DlgPreferences;
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import org.gvsig.andami.ui.mdiFrame.MDIFrame;
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import org.gvsig.andami.ui.mdiFrame.MainFrame;
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import org.gvsig.andami.ui.mdiManager.MDIManager;
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import org.gvsig.i18n.Messages;
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import org.gvsig.tools.ToolsLocator;
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import org.gvsig.tools.dynobject.DynObject;
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import org.gvsig.tools.dynobject.DynStruct;
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import org.gvsig.tools.exception.BaseRuntimeException;
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import org.gvsig.tools.persistence.PersistenceManager;
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import org.gvsig.tools.persistence.PersistentState;
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import org.gvsig.tools.persistence.exception.AddDefinitionException;
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import org.gvsig.tools.swing.api.ToolsSwingLocator;
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import org.gvsig.tools.swing.icontheme.IconTheme;
70
import org.gvsig.tools.swing.icontheme.IconThemeManager;
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import org.gvsig.utils.XMLEntity;
72
import org.gvsig.utils.swing.threads.IMonitorableTask;
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import org.gvsig.utils.swing.threads.IProgressMonitorIF;
74
import org.gvsig.utils.swing.threads.TaskMonitorTimerListener;
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import org.gvsig.utils.swing.threads.UndefinedProgressMonitor;
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import org.slf4j.Logger;
77
import org.slf4j.LoggerFactory;
78

    
79
/**
80
 * Provides services to Plugins. Each plugin has an associated PluginServices
81
 * object, which provides specific services. Main of them: translations,
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 * logging, access to plugin's resources, background tasks, clipboard access
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 * and data persistence.
84
 * 
85
 * @author Fernando Gonz�lez Cort�s
86
 */
87
public class PluginServices {
88

    
89
    private static Logger logger =
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        LoggerFactory.getLogger(PluginServices.class);
91

    
92
    private static String[] arguments;
93

    
94
    private static ExclusiveUIExtension exclusiveUIExtension = null;
95

    
96
    private PluginClassLoader loader;
97

    
98
    private XMLEntity persistentXML;
99

    
100
    private DynObject pluginPersistence = null;
101

    
102
    private String[] alternativeNames = null;
103
    /**
104
     * Creates a new PluginServices objetct.
105
     * 
106
     * @param loader
107
     *            The Plugin's ClassLoader.
108
     */
109
    public PluginServices(PluginClassLoader loader) {
110
        this.loader = loader;
111
    }
112

    
113
    public PluginServices(PluginClassLoader loader, String[] alternativeNames) {
114
            this(loader);
115
        this.alternativeNames = alternativeNames;
116
    }
117

    
118
    public String[] getAlternativeNames() {
119
            return this.alternativeNames;
120
    }
121
    
122
    /**
123
     * Returns the message in the current's locale language
124
     * corresponding to the provided translation key.
125
     * The key-message pairs are obtained from the plugin's
126
     * translation files (text_xx.properties files).
127
     * 
128
     * @param key
129
     *            Translation key whose associated message is to be obtained
130
     * 
131
     * @return The message associated with the provided key, in one of the
132
     *         current locale languages, or the key if the translation is not
133
     *         found.
134
     */
135
    public String getText(String key) {
136
        if (key == null)
137
            return null;
138
        String translation = org.gvsig.i18n.Messages.getText(key, false);
139
        if (translation != null)
140
            return translation;
141
        else {
142
            logger.debug("Can't find translation for ''{}'' in plugin ''{}''.",
143
                key,
144
                getPluginName());
145
            return key;
146
        }
147
    }
148

    
149
    /**
150
     * Gets the plugin's classloader.
151
     * 
152
     * @return Returns the loader.
153
     */
154
    public PluginClassLoader getClassLoader() {
155
        return loader;
156
    }
157

    
158
    /**
159
     * Gets the plugin's name
160
     * 
161
     * @return The plugin's name
162
     */
163
    public String getPluginName() {
164
        return loader.getPluginName();
165
    }
166

    
167
    /**
168
     * Gets a reference to the PluginServices object associated with the
169
     * plugin containing the provided class.
170
     * 
171
     * Obtienen una referencia al PluginServices del plugin cuyo nombre se pasa
172
     * como par�metro
173
     * 
174
     * @param pluginClassInstance
175
     *            An instance of a class. This class is contained in a plugin,
176
     *            whose
177
     *            services are to be obtained
178
     * 
179
     * @return The PluginServices object associated to the containing plugin
180
     * 
181
     * @throws RuntimeException
182
     *             If the parameter was not loaded from a plugin
183
     */
184
    public static PluginServices getPluginServices(Object pluginClassInstance) {
185
        try {
186
                PluginClassLoader loader;
187
                    if( pluginClassInstance instanceof Class ) {
188
                            loader = (PluginClassLoader) ((Class) pluginClassInstance).getClassLoader();
189
                    } else {
190
                            loader = (PluginClassLoader) pluginClassInstance.getClass().getClassLoader();
191
                    }
192
            return Launcher.getPluginServices(loader.getPluginName());
193
        } catch (ClassCastException e) {
194
            /*
195
             * throw new RuntimeException( "Parameter is not a plugin class
196
             * instance");
197
             */
198
            return null;
199
        }
200
    }
201

    
202
    /**
203
     * Gets a reference to the PluginServices object associated with the
204
     * provided plugin.
205
     * 
206
     * @param pluginName
207
     *            Plugin's name whose services are going to be used
208
     * 
209
     * @return The PluginServices object associated with the provided plugin.
210
     */
211
    public static PluginServices getPluginServices(String pluginName) {
212
        return Launcher.getPluginServices(pluginName);
213
    }
214

    
215
    /**
216
     * Gets the window manager (MDIManager).
217
     * 
218
     * @return A reference to the window manager (MDIManager).
219
     */
220
    public static MDIManager getMDIManager() {
221
        return Launcher.getFrame().getMDIManager();
222
    }
223

    
224
    /**
225
     * Gets the application's main frame.
226
     * 
227
     * @return A reference to the application's main window
228
     */
229
    public static MainFrame getMainFrame() {
230
        return Launcher.getFrame();
231
    }
232

    
233
    public static void registerKeyStroke(KeyStroke key, KeyEventDispatcher a) {
234
        GlobalKeyEventDispatcher.getInstance().registerKeyStroke(key, a);
235
    }
236

    
237
    public static void unRegisterKeyStroke(KeyStroke key) {
238
        GlobalKeyEventDispatcher.getInstance().removeKeyStrokeBinding(key);
239
    }
240

    
241
    /**
242
     * Gets the instance of the extension whose class is provided.
243
     * 
244
     * @param extensionClass
245
     *            Class of the extension whose instance is to be returned
246
     * 
247
     * @return The instance of the extension, or null if the instance does
248
     *         not exist.Instancia de la extensi�n o null en caso de que no haya
249
     *         una
250
     */
251
    public static IExtension getExtension(Class extensionClass) {
252
        ExtensionDecorator extAux =
253
            (ExtensionDecorator) Launcher.getClassesExtensions()
254
            .get(extensionClass);
255
        try {
256
            return extAux.getExtension();
257
        } catch (NullPointerException ex) {
258
            return null;
259
        }
260
    }
261

    
262
    /**
263
     * Gets a reference to the Extension Decorator which adds some extra options
264
     * to the basic extension interface.
265
     * 
266
     * @param extensionClass
267
     *            The class of the extension whose decorator is to be returned
268
     * @return The ExtensionDecorator associated with the provided extension,
269
     *         or null if the extension does not exist.
270
     */
271
    public static ExtensionDecorator getDecoratedExtension(Class extensionClass) {
272
        return (ExtensionDecorator) Launcher.getClassesExtensions()
273
        .get(extensionClass);
274
    }
275

    
276
    /**
277
     * Returns an array containing references to all the loaded extensions.
278
     * 
279
     * @return ExtensionDecorator[] An array of ExtensionDecorators (each
280
     *         Decorator contains one extension).
281
     */
282
    public static ExtensionDecorator[] getDecoratedExtensions() {
283
        HashMap map = Launcher.getClassesExtensions();
284
        ExtensionDecorator[] extensions =
285
            (ExtensionDecorator[]) map.values()
286
            .toArray(new ExtensionDecorator[0]);
287
        return extensions;
288
    }
289

    
290
    /**
291
     * Gets an iterator with all the loaded Extensions.
292
     * 
293
     * @return Iterator over the decorated extensions (each member of
294
     *         the iterator is an ExtensionDecorator, which in turn contains
295
     *         one IExtension object).
296
     */
297
    public static Iterator getExtensions() {
298
        return Launcher.getClassesExtensions().values().iterator();
299
    }
300

    
301
    /**
302
     * Returns the message in the current's locale language
303
     * corresponding to the provided translation key.
304
     * The key-message pairs are obtained from the plugin's
305
     * translation files (text_xx.properties files).
306
     * 
307
     * @param pluginObject
308
     *            Any object which was loaded from a plugin
309
     * 
310
     * @param key
311
     *            Translation key whose associated message is to be obtained
312
     * 
313
     * @return The message associated with the provided key, in one of the
314
     *         current locale languages, or the key if the translation is not
315
     *         found.
316
     */
317
    public static String getText(Object pluginObject, String key) {
318
        if (key == null)
319
            return null;
320
        String translation = org.gvsig.i18n.Messages.getText(key, false);
321
        if (translation != null)
322
            return translation;
323
        else {
324
            logger.debug("Can't find translation for ''{}''.", key);
325
            return key;
326
        }
327
    }
328

    
329
    /**
330
     * Sets the XML data which should be saved on disk for this plugin. This
331
     * data can be retrieved on following sessions.
332
     * 
333
     * @param The
334
     *            XMLEntity object containing the data to be persisted.
335
     * 
336
     * @see PluginServices.getPersistentXML()
337
     * @see XMLEntity
338
     */
339
    public void setPersistentXML(XMLEntity entity) {
340
        persistentXML = entity;
341
    }
342

    
343
    /**
344
     * Gets the XML data which was saved on previous sessions for this
345
     * plugins.
346
     * 
347
     * @return An XMLEntity object containing the persisted data
348
     */
349
    public XMLEntity getPersistentXML() {
350
        if (persistentXML == null) {
351
            persistentXML = new XMLEntity();
352
        }
353
        return persistentXML;
354
    }
355

    
356
    /**
357
     * A�ade un listener a un popup menu registrado en el config.xml de alg�n
358
     * plugin
359
     * 
360
     * @param name
361
     *            Nombre del men� contextual
362
     * @param c
363
     *            Componente que desplegar� el men� cuando se haga click con el
364
     *            bot�n derecho
365
     * @param listener
366
     *            Listener que se ejecutar� cuando se seleccione cualquier
367
     *            entrada del men�
368
     * 
369
     * @throws RuntimeException
370
     *             Si la interfaz no est� preparada todav�a. S�lo puede darse
371
     *             durante el arranque
372
     */
373
    public void addPopupMenuListener(String name,
374
        Component c,
375
        ActionListener listener) {
376
        MDIFrame frame = Launcher.getFrame();
377

    
378
        if (frame == null) {
379
            throw new RuntimeException("MDIFrame not loaded yet");
380
        }
381

    
382
        frame.addPopupMenuListener(name, c, listener, loader);
383
    }
384

    
385
    /**
386
     * Gets the plugin's root directory.
387
     * 
388
     * @return A File pointing to the plugin's root directory.
389
     */
390
    public File getPluginDirectory() {
391
        return Launcher.getPluginFolder(this.getPluginName());
392
    }
393

    
394
    /**
395
     * Runs a background task. The events produced on the main frame will
396
     * be inhibited.
397
     * 
398
     * @param r
399
     *            The task to run.
400
     * 
401
     * @return The Thread on which the task is executed.
402
     */
403
    public static Thread backgroundExecution(Runnable r) {
404
        Thread t = new Thread(new RunnableDecorator(r));
405
        t.start();
406

    
407
        return t;
408
    }
409

    
410
    /**
411
     * Runs a backbround task. This task may be monitored and canceled, and
412
     * does not inhibit any event.
413
     * 
414
     * @param task
415
     *            The task to run.
416
     */
417
    public static void cancelableBackgroundExecution(final IMonitorableTask task) {
418
        final org.gvsig.utils.swing.threads.SwingWorker worker =
419
            new org.gvsig.utils.swing.threads.SwingWorker() {
420

    
421
            public Object construct() {
422
                try {
423
                    task.run();
424
                    return task;
425
                } catch (Exception e) {
426
                    NotificationManager.addError(null, e);
427
                }
428
                return null;
429
            }
430

    
431
            /**
432
             * Called on the event dispatching thread (not on the worker
433
             * thread)
434
             * after the <code>construct</code> method has returned.
435
             */
436
            public void finished() {
437
                task.finished();
438
            }
439
        };
440

    
441
        Component mainFrame = (Component) PluginServices.getMainFrame();
442

    
443
        IProgressMonitorIF progressMonitor = null;
444
        String title = getText(null, "PluginServices.Procesando");
445
        progressMonitor =
446
            new UndefinedProgressMonitor((Frame) mainFrame, title);
447
        progressMonitor.setIndeterminated(!task.isDefined());
448
        progressMonitor.setInitialStep(task.getInitialStep());
449
        progressMonitor.setLastStep(task.getFinishStep());
450
        progressMonitor.setCurrentStep(task.getCurrentStep());
451
        progressMonitor.setMainTitleLabel(task.getStatusMessage());
452
        progressMonitor.setNote(task.getNote());
453
        progressMonitor.open();
454
        int delay = 500;
455
        TaskMonitorTimerListener timerListener =
456
            new TaskMonitorTimerListener(progressMonitor, task);
457
        Timer timer = new Timer(delay, timerListener);
458
        timerListener.setTimer(timer);
459
        timer.start();
460

    
461
        worker.start();
462

    
463
    }
464

    
465
    /**
466
     * Closes the application. Cleanly exits from the application:
467
     * terminates all the extensions, then exits.
468
     * 
469
     */
470
    public static void closeApplication() {
471
        Launcher.closeApplication();
472
    }
473

    
474
    /**
475
     * DOCUMENT ME!
476
     * 
477
     * @author Fernando Gonz�lez Cort�s
478
     */
479
    private static class RunnableDecorator implements Runnable {
480

    
481
        private Runnable r;
482

    
483
        /**
484
         * Crea un nuevo RunnableDecorator.
485
         * 
486
         * @param r
487
         *            DOCUMENT ME!
488
         */
489
        public RunnableDecorator(Runnable r) {
490
            this.r = r;
491
        }
492

    
493
        /**
494
         * @see java.lang.Runnable#run()
495
         */
496
        public void run() {
497
            try {
498
                SwingUtilities.invokeAndWait(new Runnable() {
499

    
500
                    public void run() {
501
                        try {
502
                            r.run();
503
                        } catch (RuntimeException e) {
504
                            NotificationManager.addError(Messages.getText("PluginServices.Bug_en_el_codigo"),
505
                                e);
506
                        } catch (Error e) {
507
                            NotificationManager.addError(Messages.getText("PluginServices.Error_grave_de_la_aplicaci�n"),
508
                                e);
509
                        }
510
                    }
511
                });
512
            } catch (InterruptedException e) {
513
                NotificationManager.addWarning(Messages.getText("PluginServices.No_se_pudo_poner_el_reloj_de_arena"),
514
                    e);
515
            } catch (InvocationTargetException e) {
516
                NotificationManager.addWarning(Messages.getText("PluginServices.No_se_pudo_poner_el_reloj_de_arena"),
517
                    e);
518
            }
519
        }
520
    }
521

    
522
    /**
523
     * Gets an array containing the application's startup arguments. <br>
524
     * <br>
525
     * Usually: <code>appName plugins-directory [locale] [other args]</code>
526
     * 
527
     * @return the original arguments that Andami received. (app-name
528
     *         plugins-directory, locale, etc)
529
     */
530
    public static String[] getArguments() {
531
        return arguments;
532
    }
533

    
534
    /**
535
     * Replaces the original Andami arguments with the provided arguments.
536
     * 
537
     * @param arguments
538
     *            An array of String, each element of the array
539
     *            represents one
540
     *            argument.
541
     */
542
    public static void setArguments(String[] arguments) {
543
        PluginServices.arguments = arguments;
544
    }
545

    
546
    /**
547
     * Returns the value of a command line named argument. <br>
548
     * <br>
549
     * The argument format is: <br>
550
     * -{argumentName}={argumentValue} <br>
551
     * <br>
552
     * example: <br>
553
     * ' -language=en '
554
     * 
555
     * @return String The value of the argument
556
     */
557
    public static String getArgumentByName(String name) {
558
        for (int i = 2; i < PluginServices.arguments.length; i++) {
559
                String arg = PluginServices.arguments[i];
560
                if( arg != null ) {
561
                    int index = arg.indexOf(name + "=");
562
                    if (index != -1)
563
                        return arg.substring(index
564
                            + name.length() + 1);
565
                }
566
        }
567
        return null;
568
    }
569

    
570
    /**
571
     * Gets the logger. The logger is used to register important
572
     * events (errors, etc), which are stored on a file which
573
     * can be checked later.
574
     * 
575
     * @return A Logger object.
576
     * @see Logger object from the Log4j library.
577
     * 
578
     */
579
    public static Logger getLogger() {
580
        return logger;
581
    }
582

    
583
    public static DlgPreferences getDlgPreferences() {
584
        return DlgPreferences.getInstance();
585
    }
586

    
587
    /**
588
     * Stores the provided text data on the clipboard.
589
     * 
590
     * @param data
591
     *            An String containing the data to be stored
592
     *            on the clipboard.
593
     */
594
    public static void putInClipboard(String data) {
595
        StringSelection ss = new StringSelection(data);
596

    
597
        Toolkit.getDefaultToolkit().getSystemClipboard().setContents(ss, ss);
598
    }
599

    
600
    /**
601
     * Gets text data from the Clipboard, if available.
602
     * 
603
     * @return An String containing the clipboard's data, or <code>null</code>
604
     *         if the data was not available.
605
     */
606
    public static String getFromClipboard() {
607

    
608
        try {
609
            return (String) Toolkit.getDefaultToolkit()
610
            .getSystemClipboard()
611
            .getContents(null)
612
            .getTransferData(DataFlavor.stringFlavor);
613
        } catch (UnsupportedFlavorException e) {
614
            return null;
615
        } catch (IOException e) {
616
            // TODO Auto-generated catch block
617
            return null;
618
        }
619
    }
620

    
621
    /**
622
     * Gets the ExclusiveUIExtension, an special extension which
623
     * will take
624
     * control over the UI and will decide which extensions may be
625
     * enable/disabled or visible/hidden.
626
     * 
627
     * @return If an ExclusiveUIExtension was set, return this extension.
628
     *         Otherwise, return <code>null</code>.
629
     * 
630
     * @see org.gvsig.andami.Launcher#initializeExclusiveUIExtension()
631
     * @see org.gvsig.andami.plugins.IExtension#isEnabled(IExtension extension)
632
     * @see org.gvsig.andami.plugins.IExtension#isVisible(IExtension extension)
633
     */
634
    public static ExclusiveUIExtension getExclusiveUIExtension() {
635
        return PluginServices.exclusiveUIExtension;
636
    }
637

    
638
    /**
639
     * Sets the ExclusiveUIExtension, an special extension which
640
     * will take
641
     * control over the UI and will decide which extensions may be
642
     * enable/disabled or visible/hidden. <br>
643
     * <br>
644
     * The ExclusiveUIExtension is normally set by the following
645
     * Andami startup argument: <br>
646
     * <br>
647
     * <code>ExclusiveUIExtension=ExtensionName</code>
648
     * 
649
     * @see org.gvsig.andami.Launcher#initializeExclusiveUIExtension()
650
     * @see org.gvsig.andami.plugins.IExtension#isEnabled(IExtension extension)
651
     * @see org.gvsig.andami.plugins.IExtension#isVisible(IExtension extension)
652
     */
653
    public static void setExclusiveUIExtension(ExclusiveUIExtension extension) {
654
        PluginServices.exclusiveUIExtension = extension;
655
    }
656

    
657
    public static void addLoaders(ArrayList classLoaders) {
658
        PluginClassLoader.addLoaders(classLoaders);
659
    }
660

    
661
    /**
662
     * @deprecated use ToolsSwingLocator.getIconThemeManager()
663
     */
664
    public static IconThemeManager getIconThemeManager() {
665
            return ToolsSwingLocator.getIconThemeManager();
666
    }
667

    
668
    /**
669
     * @deprecated use  ToolsSwingLocator.getIconThemeManager().getCurrent()
670
     */
671
    public static IconTheme getIconTheme() {
672
            return getIconThemeManager().getCurrent(); 
673
    }
674

    
675
    /**
676
     * Try to detect if the application is running in a development
677
     * environment. <br>
678
     * This look for <b>.project</b> and <b>.classpath</b> files in the starts
679
     * path of the application.
680
     * 
681
     * @return true if <b>.project</b> and <b>.classpath</b> are in the
682
     *         development path
683
     */
684
    public static boolean runningInDevelopment() {
685
        String andamiPath;
686
        Properties props = System.getProperties();
687

    
688
        try {
689
            try {
690
                andamiPath =
691
                    (new File(Launcher.class.getResource(".").getFile()
692
                        + File.separator + ".." + File.separator + ".."
693
                        + File.separator + ".." + File.separator + "..")).getCanonicalPath();
694
            } catch (IOException e) {
695
                andamiPath =
696
                    (new File(Launcher.class.getResource(".").getFile()
697
                        + File.separator + ".." + File.separator + ".."
698
                        + File.separator + ".." + File.separator + "..")).getAbsolutePath();
699
            }
700
        } catch (Exception e1) {
701
            andamiPath = (String) props.get("user.dir");
702
        }
703

    
704
        File andamiJar = new File(andamiPath + File.separator + "andami.jar");
705
        if (!andamiJar.exists())
706
            return false;
707
        File projectFile = new File(andamiPath + File.separator + ".project");
708
        File classpathFile =
709
            new File(andamiPath + File.separator + ".classpath");
710
        return projectFile.exists() && classpathFile.exists();
711

    
712
    }
713

    
714
    public PluginsManager getManager() {
715
        return PluginsLocator.getManager();
716
    }
717

    
718
    private String[] getAllPluginNames() {
719
            String[] names = new String[this.alternativeNames.length+1];
720
            names[0] = this.getPluginName();
721
            for( int n=0; n<this.alternativeNames.length; n++ ) {
722
                names[n+1] = this.alternativeNames[n];
723
            }
724
            return names;
725
    }
726
    
727
    public DynObject getPluginProperties() {
728
        if (this.pluginPersistence == null) {
729
            PersistenceManager manager = ToolsLocator.getPersistenceManager();
730
            DynStruct dynStruct = manager.getDynObjectDefinition(getPluginName());
731
            if ( dynStruct == null) {
732
                File persistenceDefinitionFile =
733
                    new File(this.getPluginDirectory(), "plugin-persistence.def");
734
                String[] names = getAllPluginNames(); 
735
                for( int i=0; i<names.length ; i++ ) {
736
                        try {
737
                            dynStruct = manager.addDefinition(DynObject.class,
738
                                names[i],
739
                                new FileInputStream(persistenceDefinitionFile),
740
                                this.getClassLoader(),
741
                                null,
742
                                null);
743
                            break;
744
                        } catch (FileNotFoundException e) {
745
                            throw new PluginPersistenceNeedDefinitionException(this.getPluginName(), e);
746
                        } catch (AddDefinitionException e) {
747
                                if( i+1 >= names.length ) { // Si ya no hay mas nombres peta
748
                                        throw new PluginPersistenceAddDefinitionException(this.getPluginName(), e);
749
                                }
750
                        }
751
                }
752
            }
753

    
754
            File persistenceFile = getPluginPersistenceFile();
755
            if (persistenceFile.exists()) {
756
                PersistentState state;
757

    
758
                try {
759
                    state = manager.loadState(new FileInputStream(persistenceFile));
760
                    pluginPersistence = (DynObject) manager.create(state);
761
                } catch (Exception e) {
762
                        
763
                    logger.info("Can't retrieve persistent values from plugin "+
764
                    getPluginName(), e);
765
                    showMessageDialogDelayed(Messages.getText("_Unable_to_read_persistence_for_plugin")
766
                                    + ": " + getPluginName() + "\n" +
767
                                    Messages.getText("_Perhaps_saved_data_refers_to_missing_plugin"),
768
                                    Messages.getText("_Persistence"),
769
                                    JOptionPane.WARNING_MESSAGE);
770
                }
771
            }
772
            if (this.pluginPersistence == null) {
773
                logger.info("Creating default values for plugin persistence ("+this.getPluginName()+").");
774
                this.pluginPersistence =
775
                    ToolsLocator.getDynObjectManager()
776
                    .createDynObject(dynStruct); 
777
            }
778
        }
779
        return pluginPersistence;
780
    }
781

    
782
    private void showMessageDialogDelayed(final String msg, final String title, final int type) {
783
        PluginsManager pluginManger = PluginsLocator.getManager();
784
        pluginManger.addStartupTask("Persistence_"+getPluginName(), new Runnable() {
785
           public void run() {
786
                JOptionPane.showMessageDialog(
787
                                (Component) PluginServices.getMainFrame(),
788
                                msg,
789
                                title,
790
                                type);
791
                    }
792
        }, true, 100);
793
    }
794
    
795
    public void savePluginProperties() {
796
        if (this.pluginPersistence == null) {
797
            return;
798
        }
799
        PersistenceManager manager = ToolsLocator.getPersistenceManager();
800
                File persistenceFile = getPluginPersistenceFile();
801
        PersistentState state;
802
        FileOutputStream fos;
803
        try {
804
            state = manager.getState(pluginPersistence);
805
            manager.saveState(state, new FileOutputStream(persistenceFile));
806
        } catch (Exception e) {
807
            throw new PluginSaveDataException(this.getPluginName(), e);
808
        }
809

    
810

    
811
    }
812

    
813
        /**
814
         * Returns the plugin persistence file.
815
         * 
816
         * @return the plugin persistence file
817
         */
818
        private File getPluginPersistenceFile() {
819
                return new File(getPluginHomeFolder(), "plugin-persistence.dat");
820
        }
821

    
822
        /**
823
         * Returns the folder where the plugin stores its resources. That folder
824
         * will be usually a subfolder into the application folder in the user home
825
         * folder.
826
         * 
827
         * @return the folder where the plugin stores its resources
828
         */
829
        public File getPluginHomeFolder() {
830
                File persistenceFolder = new File(Launcher.getAppHomeDir()
831
                                + File.separator + "plugins" + File.separator
832
                                + this.getPluginName());
833

    
834
                if (!persistenceFolder.exists()) {
835
                        persistenceFolder.mkdirs();
836
                }
837

    
838
                return persistenceFolder;
839
        }
840

    
841
    public class PluginPersistenceNeedDefinitionException extends
842
    BaseRuntimeException {
843

    
844
        /**
845
         * 
846
         */
847
        private static final long serialVersionUID = -2036279527440882712L;
848

    
849
        PluginPersistenceNeedDefinitionException(String name, Throwable cause) {
850
            super("Can't load persistence definition of plugin %(name).",
851
                "_cant_load_persistence_definition_of_plugin_XnameX",
852
                serialVersionUID);
853
            initCause(cause);
854
            setValue("name", name);
855
        }
856
    }
857

    
858
    public class PluginPersistenceAddDefinitionException extends
859
    BaseRuntimeException {
860

    
861
        /**
862
         * 
863
         */
864
        private static final long serialVersionUID = 2227722796640780361L;
865

    
866
        PluginPersistenceAddDefinitionException(String name, Throwable cause) {
867
            super("Can't add persistence definition of plugin %(name).",
868
                "_cant_add_persistence_definition_of_plugin_XnameX",
869
                serialVersionUID);
870
            this.initCause(cause);
871
            setValue("name", name);
872
        }
873
    }
874

    
875
    public class PluginLoadDataException extends
876
    BaseRuntimeException {
877

    
878
        /**
879
         * 
880
         */
881
        private static final long serialVersionUID = 1168749231143949111L;
882

    
883
        PluginLoadDataException(String name) {
884
            super("Can't load data of plugin %(name).",
885
                "_cant_load_data_of_plugin_XnameX",
886
                serialVersionUID);
887
            setValue("name", name);
888
        }
889
    }
890

    
891
    public class PluginSaveDataException extends
892
    BaseRuntimeException {
893

    
894
        /**
895
         * 
896
         */
897
        private static final long serialVersionUID = 4893241183911774542L;
898
        private final static String MESSAGE_FORMAT = "Can't save data of plugin %(name).";
899
        private final static String MESSAGE_KEY = "_cant_save_data_of_plugin_XnameX";
900

    
901
        PluginSaveDataException(String name) {
902
            super(MESSAGE_FORMAT,
903
                MESSAGE_KEY,
904
                serialVersionUID);
905
            setValue("name", name);
906
        }
907

    
908
        public PluginSaveDataException(String name, Throwable cause) {
909
            super(MESSAGE_FORMAT, cause, MESSAGE_KEY, serialVersionUID);
910
            setValue("name", name);
911

    
912
        }
913
    }
914
    
915
    @Override
916
    public String toString() {
917
        return super.toString()+" "+this.getPluginName();
918
    }
919
    
920
    public void addDependencyWithPlugin(PluginServices otherPlugin) {
921
        this.getClassLoader().addPluginClassLoader(otherPlugin.getClassLoader());
922
    }
923
}