Examples of org.rssowl.core.persist.pref.IPreferenceScope

org.rssowl.core.persist.pref.IPreferenceScope
Instances of IPreferenceScope provide access to Preferences for a certain Scope. In case a Preference is not present in the given Scope, any parent scope is asked for a value if given.
Whenever preferences are updated, make sure to call the flush()-Method, to write the changes to the underlying persistence-layer.
@author bpasero


  void updateSorting(Object input, boolean refreshIfChanged) {
    if (fViewer.getControl().isDisposed())
      return;


    IPreferenceScope preferences;
    if (input instanceof IEntity)
      preferences = Owl.getPreferenceService().getEntityScope((IEntity) input);
    else
      preferences = Owl.getPreferenceService().getGlobalScope();


    NewsColumn sortColumn = NewsColumn.values()[preferences.getInteger(DefaultPreferences.BM_NEWS_SORT_COLUMN)];
    boolean ascending = preferences.getBoolean(DefaultPreferences.BM_NEWS_SORT_ASCENDING);


    NewsColumn oldSortColumn = fNewsSorter.getSortBy();
    boolean oldAscending = fNewsSorter.isAscending();


    fNewsSorter.setSortBy(sortColumn);

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  private void saveColumnModelInBackground() {
    final IPreferenceScope[] scope = new IPreferenceScope[1];
    final boolean[] saveMark = new boolean[] { false };
    final INewsMark mark = fEditorInput.getMark();


    IPreferenceScope entityPrefs = Owl.getPreferenceService().getEntityScope(mark);
    if (entityPrefs.hasKey(DefaultPreferences.BM_NEWS_COLUMNS) || entityPrefs.hasKey(DefaultPreferences.BM_NEWS_SORT_COLUMN) || entityPrefs.hasKey(DefaultPreferences.BM_NEWS_SORT_ASCENDING)) {
      scope[0] = entityPrefs; //Save to Entity
      saveMark[0] = true;
    } else
      scope[0] = fGlobalPreferences; //Save Globally

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    final Set<IBookMark> bookmarksToReloadOnStartup = new HashSet<IBookMark>();
    final List<INewsMark> newsmarksToOpenOnStartup = new ArrayList<INewsMark>();


    /* For each Bookmark */
    for (IBookMark bookMark : bookmarks) {
      IPreferenceScope entityPreferences = Owl.getPreferenceService().getEntityScope(bookMark);


      /* BookMark is to reload in a certain Interval */
      if (entityPreferences.getBoolean(DefaultPreferences.BM_UPDATE_INTERVAL_STATE)) {
        long updateInterval = entityPreferences.getLong(DefaultPreferences.BM_UPDATE_INTERVAL);
        fMapBookMarkToInterval.put(bookMark, updateInterval);


        /* BookMark is to reload on startup */
        if (entityPreferences.getBoolean(DefaultPreferences.BM_RELOAD_ON_STARTUP))
          bookmarksToReloadOnStartup.add(bookMark);
      }


      /* BookMark is to open on startup */
      if (entityPreferences.getBoolean(DefaultPreferences.BM_OPEN_ON_STARTUP))
        newsmarksToOpenOnStartup.add(bookMark);
    }


    /* For each Newsbin */
    for (INewsBin bin : newsbins) {
      IPreferenceScope entityPreferences = Owl.getPreferenceService().getEntityScope(bin);


      /* Newsbin is to open on startup */
      if (entityPreferences.getBoolean(DefaultPreferences.BM_OPEN_ON_STARTUP))
        newsmarksToOpenOnStartup.add(bin);
    }


    /* Reload the ones that reload on startup */
    if (!bookmarksToReloadOnStartup.isEmpty()) {
      JobRunner.runInUIThread(null, new Runnable() {
        public void run() {
          Controller.getDefault().reloadQueued(bookmarksToReloadOnStartup, null);
        }
      });
    }


    /* Initialize the Jobs that manages Updates */
    Set<Entry<IBookMark, Long>> entries = fMapBookMarkToInterval.entrySet();
    for (Entry<IBookMark, Long> entry : entries) {
      IBookMark bookMark = entry.getKey();
      scheduleUpdate(bookMark, entry.getValue());
    }


    /* Open BookMarks which are to open on startup */
    if (!newsmarksToOpenOnStartup.isEmpty()) {
      JobRunner.runInUIThread(null, new Runnable() {
        public void run() {
          IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
          IWorkbenchPage page = (window != null) ? window.getActivePage() : null;
          if (page != null) {
            IPreferenceScope preferences = Owl.getPreferenceService().getGlobalScope();
            boolean reuseFeedView = preferences.getBoolean(DefaultPreferences.ALWAYS_REUSE_FEEDVIEW);
            int maxOpenEditors = EditorUtils.getOpenEditorLimit();
            int openFeedViewCount = OwlUI.getOpenFeedViewCount();


            /* Do not open any Feed if reusing the feedview and already having one open */
            if (reuseFeedView && openFeedViewCount >= 1)

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  }


  private void onBookMarksAdded(Set<BookMarkEvent> events) {
    for (BookMarkEvent event : events) {
      IBookMark addedBookMark = event.getEntity();
      IPreferenceScope entityPreferences = Owl.getPreferenceService().getEntityScope(addedBookMark);


      Long interval = entityPreferences.getLong(DefaultPreferences.BM_UPDATE_INTERVAL);
      boolean autoUpdateState = entityPreferences.getBoolean(DefaultPreferences.BM_UPDATE_INTERVAL_STATE);


      /* BookMark wants to Auto-Update */
      if (autoUpdateState)
        addUpdate(event.getEntity(), interval);
    }

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   * stored one.
   *
   * @param updatedBookmark The Bookmark to synchronize with the reload-service.
   */
  public void sync(IBookMark updatedBookmark) {
    IPreferenceScope entityPreferences = Owl.getPreferenceService().getEntityScope(updatedBookmark);


    Long oldInterval = fMapBookMarkToInterval.get(updatedBookmark);
    Long newInterval = entityPreferences.getLong(DefaultPreferences.BM_UPDATE_INTERVAL);


    boolean autoUpdateState = entityPreferences.getBoolean(DefaultPreferences.BM_UPDATE_INTERVAL_STATE);


    /* BookMark known to the Service */
    if (oldInterval != null) {


      /* BookMark no longer Auto-Updating */

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  /**
   * @throws Exception
   */
  @Test
  public final void testPreferencesInitializer() throws Exception {
    IPreferenceScope defaultScope = Owl.getPreferenceService().getDefaultScope();
    assertEquals(true, defaultScope.getBoolean(TEST_BOOLEAN));
    assertEquals(1, defaultScope.getInteger(TEST_INTEGER));
    assertEquals(true, Arrays.equals(new int[] { 1, 2, 3 }, defaultScope.getIntegers(TEST_INTEGERS)));
    assertEquals("foo", defaultScope.getString(TEST_STRING));
    assertEquals(true, Arrays.equals(new String[] { "foo", "bar" }, defaultScope.getStrings(TEST_STRINGS)));
    assertEquals(1L, defaultScope.getLong(TEST_LONG));
    assertEquals(true, Arrays.equals(new long[] { 1L, 2L, 3L }, defaultScope.getLongs(TEST_LONGS)));
  }

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  /**
   * @throws Exception
   */
  @Test
  public final void testGlobalScope() throws Exception {
    IPreferenceScope globalScope = Owl.getPreferenceService().getGlobalScope();


    /* Test Defaults Taken */
    assertEquals(true, globalScope.getBoolean(TEST_BOOLEAN));
    assertEquals(1, globalScope.getInteger(TEST_INTEGER));
    assertEquals(true, Arrays.equals(new int[] { 1, 2, 3 }, globalScope.getIntegers(TEST_INTEGERS)));
    assertEquals("foo", globalScope.getString(TEST_STRING));
    assertEquals(true, Arrays.equals(new String[] { "foo", "bar" }, globalScope.getStrings(TEST_STRINGS)));
    assertEquals(1L, globalScope.getLong(TEST_LONG));
    assertEquals(true, Arrays.equals(new long[] { 1L, 2L, 3L }, globalScope.getLongs(TEST_LONGS)));


    /* Change Settings and test again */
    globalScope.putBoolean(TEST_BOOLEAN, false);
    globalScope.putInteger(TEST_INTEGER, 2);
    globalScope.putIntegers(TEST_INTEGERS, new int[] { 4, 5, 6, 7, 8 });
    globalScope.putString(TEST_STRING, "hello");
    globalScope.putStrings(TEST_STRINGS, new String[] { "hello", "world", "!" });
    globalScope.putLong(TEST_LONG, 2L);
    globalScope.putLongs(TEST_LONGS, new long[] { 4L, 5L, 6L, 7L, 8L });


    /* Test new Settings */
    assertEquals(false, globalScope.getBoolean(TEST_BOOLEAN));
    assertEquals(2, globalScope.getInteger(TEST_INTEGER));
    assertEquals(true, Arrays.equals(new int[] { 4, 5, 6, 7, 8 }, globalScope.getIntegers(TEST_INTEGERS)));
    assertEquals("hello", globalScope.getString(TEST_STRING));
    assertEquals(true, Arrays.equals(new String[] { "hello", "world", "!" }, globalScope.getStrings(TEST_STRINGS)));
    assertEquals(2L, globalScope.getLong(TEST_LONG));
    assertEquals(true, Arrays.equals(new long[] { 4L, 5L, 6L, 7L, 8L }, globalScope.getLongs(TEST_LONGS)));


    /* Delete Settings */
    globalScope.delete(TEST_BOOLEAN);
    globalScope.delete(TEST_INTEGER);
    globalScope.delete(TEST_INTEGERS);
    globalScope.delete(TEST_STRING);
    globalScope.delete(TEST_STRINGS);
    globalScope.delete(TEST_LONG);
    globalScope.delete(TEST_LONGS);


    /* Test Defaults Again */
    assertEquals(true, globalScope.getBoolean(TEST_BOOLEAN));
    assertEquals(1, globalScope.getInteger(TEST_INTEGER));
    assertEquals(true, Arrays.equals(new int[] { 1, 2, 3 }, globalScope.getIntegers(TEST_INTEGERS)));
    assertEquals("foo", globalScope.getString(TEST_STRING));
    assertEquals(true, Arrays.equals(new String[] { "foo", "bar" }, globalScope.getStrings(TEST_STRINGS)));
    assertEquals(1L, globalScope.getLong(TEST_LONG));
    assertEquals(true, Arrays.equals(new long[] { 1L, 2L, 3L }, globalScope.getLongs(TEST_LONGS)));
  }

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  /**
   * @throws Exception
   */
  @Test
  public final void testEclipseScope() throws Exception {
    IPreferenceScope prefs = Owl.getPreferenceService().getEclipseScope();


    /* Test Defaults Taken */
    assertEquals(true, prefs.getBoolean(TEST_BOOLEAN_ECLIPSE));
    assertEquals(1, prefs.getInteger(TEST_INTEGER_ECLIPSE));
    assertEquals("foo", prefs.getString(TEST_STRING_ECLIPSE));
    assertEquals(1L, prefs.getLong(TEST_LONG_ECLIPSE));


    /* Change Settings and test again */
    prefs.putBoolean(TEST_BOOLEAN_ECLIPSE, false);
    prefs.putInteger(TEST_INTEGER_ECLIPSE, 2);
    prefs.putString(TEST_STRING_ECLIPSE, "hello");
    prefs.putLong(TEST_LONG_ECLIPSE, 2L);


    /* Test new Settings */
    assertEquals(false, prefs.getBoolean(TEST_BOOLEAN_ECLIPSE));
    assertEquals(2, prefs.getInteger(TEST_INTEGER_ECLIPSE));
    assertEquals("hello", prefs.getString(TEST_STRING_ECLIPSE));
    assertEquals(2L, prefs.getLong(TEST_LONG_ECLIPSE));


    prefs.flush();


    /* Test Again */
    assertEquals(false, prefs.getBoolean(TEST_BOOLEAN_ECLIPSE));
    assertEquals(2, prefs.getInteger(TEST_INTEGER_ECLIPSE));
    assertEquals("hello", prefs.getString(TEST_STRING_ECLIPSE));
    assertEquals(2L, prefs.getLong(TEST_LONG_ECLIPSE));
  }

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    IFeed feed = fFactory.createFeed(null, new URI("http://www.link.com"));
    feed = DynamicDAO.save(feed);
    fFactory.createBookMark(null, folder, new FeedLinkReference(feed.getLink()), "BookMark");
    folder = DynamicDAO.save(folder);


    IPreferenceScope entityScope = Owl.getPreferenceService().getEntityScope(folder);


    /* Test Defaults Taken */
    assertEquals(true, entityScope.getBoolean(TEST_BOOLEAN));
    assertEquals(1, entityScope.getInteger(TEST_INTEGER));
    assertEquals(true, Arrays.equals(new int[] { 1, 2, 3 }, entityScope.getIntegers(TEST_INTEGERS)));
    assertEquals("foo", entityScope.getString(TEST_STRING));
    assertEquals(true, Arrays.equals(new String[] { "foo", "bar" }, entityScope.getStrings(TEST_STRINGS)));
    assertEquals(1L, entityScope.getLong(TEST_LONG));
    assertEquals(true, Arrays.equals(new long[] { 1L, 2L, 3L }, entityScope.getLongs(TEST_LONGS)));


    /* Change Settings and test again */
    entityScope.putBoolean(TEST_BOOLEAN, false);
    entityScope.putInteger(TEST_INTEGER, 2);
    entityScope.putIntegers(TEST_INTEGERS, new int[] { 4, 5, 6, 7, 8 });
    entityScope.putString(TEST_STRING, "hello");
    entityScope.putStrings(TEST_STRINGS, new String[] { "hello", "world", "!" });
    entityScope.putLong(TEST_LONG, 2L);
    entityScope.putLongs(TEST_LONGS, new long[] { 4L, 5L, 6L, 7L, 8L });
    entityScope.flush();


    /* Test new Settings */
    assertEquals(false, entityScope.getBoolean(TEST_BOOLEAN));
    assertEquals(2, entityScope.getInteger(TEST_INTEGER));
    assertEquals(true, Arrays.equals(new int[] { 4, 5, 6, 7, 8 }, entityScope.getIntegers(TEST_INTEGERS)));
    assertEquals("hello", entityScope.getString(TEST_STRING));
    assertEquals(true, Arrays.equals(new String[] { "hello", "world", "!" }, entityScope.getStrings(TEST_STRINGS)));
    assertEquals(2L, entityScope.getLong(TEST_LONG));
    assertEquals(true, Arrays.equals(new long[] { 4L, 5L, 6L, 7L, 8L }, entityScope.getLongs(TEST_LONGS)));


    /* Delete Settings */
    entityScope.delete(TEST_BOOLEAN);
    entityScope.delete(TEST_INTEGER);
    entityScope.delete(TEST_INTEGERS);
    entityScope.delete(TEST_STRING);
    entityScope.delete(TEST_STRINGS);
    entityScope.delete(TEST_LONG);
    entityScope.delete(TEST_LONGS);
    entityScope.flush();


    /* Test Defaults Again */
    assertEquals(true, entityScope.getBoolean(TEST_BOOLEAN));
    assertEquals(1, entityScope.getInteger(TEST_INTEGER));
    assertEquals(true, Arrays.equals(new int[] { 1, 2, 3 }, entityScope.getIntegers(TEST_INTEGERS)));
    assertEquals("foo", entityScope.getString(TEST_STRING));
    assertEquals(true, Arrays.equals(new String[] { "foo", "bar" }, entityScope.getStrings(TEST_STRINGS)));
    assertEquals(1L, entityScope.getLong(TEST_LONG));
    assertEquals(true, Arrays.equals(new long[] { 1L, 2L, 3L }, entityScope.getLongs(TEST_LONGS)));


    /* Test Global Settings Taken */
    IPreferenceScope globalScope = Owl.getPreferenceService().getGlobalScope();
    globalScope.putBoolean(TEST_BOOLEAN, false);
    globalScope.putInteger(TEST_INTEGER, 2);
    globalScope.putIntegers(TEST_INTEGERS, new int[] { 4, 5, 6, 7, 8 });
    globalScope.putString(TEST_STRING, "hello");
    globalScope.putStrings(TEST_STRINGS, new String[] { "hello", "world", "!" });
    globalScope.putLong(TEST_LONG, 2L);
    globalScope.putLongs(TEST_LONGS, new long[] { 4L, 5L, 6L, 7L, 8L });


    assertEquals(false, entityScope.getBoolean(TEST_BOOLEAN));
    assertEquals(2, entityScope.getInteger(TEST_INTEGER));
    assertEquals(true, Arrays.equals(new int[] { 4, 5, 6, 7, 8 }, entityScope.getIntegers(TEST_INTEGERS)));
    assertEquals("hello", entityScope.getString(TEST_STRING));

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    IFolder folder = DynamicDAO.save(fFactory.createFolder(null, null, "Root"));
    IFeed feed = fFactory.createFeed(null, new URI("http://www.link.com"));
    feed = DynamicDAO.save(feed);
    folder = DynamicDAO.save(folder);


    IPreferenceScope entityScope = Owl.getPreferenceService().getEntityScope(folder);


    assertEquals(false, entityScope.getBoolean(TEST_BOOLEAN_INITIAL_FALSE));


    entityScope.putBoolean(TEST_BOOLEAN_INITIAL_FALSE, true);
    entityScope.flush();
    assertEquals(true, entityScope.getBoolean(TEST_BOOLEAN_INITIAL_FALSE));


    folder = null;
    feed = null;
    entityScope = null;
    System.gc();


    folder = Owl.getPersistenceService().getDAOService().getFolderDAO().loadRoots().iterator().next();
    entityScope = Owl.getPreferenceService().getEntityScope(folder);


    assertEquals(true, entityScope.getBoolean(TEST_BOOLEAN_INITIAL_FALSE));


    entityScope.putBoolean(TEST_BOOLEAN_INITIAL_FALSE, false);
    entityScope.flush();
    assertEquals(false, entityScope.getBoolean(TEST_BOOLEAN_INITIAL_FALSE));


    folder = null;
    entityScope = null;
    System.gc();


    folder = Owl.getPersistenceService().getDAOService().getFolderDAO().loadRoots().iterator().next();
    entityScope = Owl.getPreferenceService().getEntityScope(folder);


    assertEquals(false, entityScope.getBoolean(TEST_BOOLEAN_INITIAL_FALSE));
  }

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