List of usage examples for java.util.prefs Preferences getByteArray
public abstract byte[] getByteArray(String key, byte[] def);
From source file:Main.java
public static void main(String[] argv) throws Exception { Preferences prefs = Preferences.userNodeForPackage(Main.class); // Preference key name final String PREF_NAME = "name_of_preference"; // Save/*from w w w . j a v a2 s. c o m*/ prefs.put(PREF_NAME, "a string"); // String prefs.putBoolean(PREF_NAME, true); // boolean prefs.putInt(PREF_NAME, 123); // int prefs.putLong(PREF_NAME, 123L); // long prefs.putFloat(PREF_NAME, 12.3F); // float prefs.putDouble(PREF_NAME, 12.3); // double byte[] bytes = new byte[1024]; prefs.putByteArray(PREF_NAME, bytes); // byte[] // Retrieve String s = prefs.get(PREF_NAME, "a string"); // String boolean b = prefs.getBoolean(PREF_NAME, true); // boolean int i = prefs.getInt(PREF_NAME, 123); // int long l = prefs.getLong(PREF_NAME, 123L); // long float f = prefs.getFloat(PREF_NAME, 12.3F); // float double d = prefs.getDouble(PREF_NAME, 12.3); // double bytes = prefs.getByteArray(PREF_NAME, bytes); // byte[] }
From source file:de.scoopgmbh.copper.monitoring.client.context.ApplicationContext.java
public ApplicationContext() { mainStackPane = new StackPane(); mainPane = new BorderPane(); mainPane.setId("background");//important for css mainStackPane.getChildren().add(mainPane); messageProvider = new MessageProvider(ResourceBundle.getBundle("de.scoopgmbh.copper.gui.message")); final Preferences prefs = Preferences.userRoot().node("de.scoopgmbh.coppermonitor"); SettingsModel defaultSettings = new SettingsModel(); AuditralColorMapping newItem = new AuditralColorMapping(); newItem.color.setValue(Color.rgb(255, 128, 128)); newItem.loglevelRegEx.setValue("1"); defaultSettings.auditralColorMappings.add(newItem); byte[] defaultModelbytes; ByteArrayOutputStream os = null; try {// ww w . j av a 2s . c o m os = new ByteArrayOutputStream(); ObjectOutputStream o = new ObjectOutputStream(os); o.writeObject(defaultSettings); defaultModelbytes = os.toByteArray(); } catch (IOException e) { throw new RuntimeException(e); } finally { if (os != null) { try { os.close(); } catch (IOException e) { throw new RuntimeException(e); } } } settingsModelSingleton = defaultSettings; ByteArrayInputStream is = null; try { is = new ByteArrayInputStream(prefs.getByteArray(SETTINGS_KEY, defaultModelbytes)); ObjectInputStream o = new ObjectInputStream(is); Object object = o.readObject(); if (object instanceof SettingsModel) { settingsModelSingleton = (SettingsModel) object; } } catch (Exception e) { logger.error("", e); getIssueReporterSingleton() .reportWarning("Can't load settings from (Preferences: " + prefs + ") use defaults instead", e); } finally { if (is != null) { try { is.close(); } catch (IOException e) { throw new RuntimeException(e); } } } Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() { @Override public void run() { ByteArrayOutputStream os = null; try { os = new ByteArrayOutputStream(); ObjectOutputStream o = new ObjectOutputStream(os); o.writeObject(settingsModelSingleton); prefs.putByteArray(SETTINGS_KEY, os.toByteArray()); } catch (IOException e) { throw new RuntimeException(e); } finally { if (os != null) { try { os.close(); } catch (IOException e) { throw new RuntimeException(e); } } } } })); }
From source file:edu.umd.cs.findbugs.gui2.GUISaveState.java
public static void loadInstance() { GUISaveState newInstance = new GUISaveState(); newInstance.recentFiles = new ArrayList<File>(); Preferences p = Preferences.userNodeForPackage(GUISaveState.class); newInstance.tabSize = p.getInt(TAB_SIZE, 4); newInstance.fontSize = p.getFloat(FONT_SIZE, 12.0f); newInstance.starterDirectoryForLoadBugs = new File( p.get(GUISaveState.STARTERDIRECTORY, SystemProperties.getProperty("user.dir"))); int prevCommentsSize = p.getInt(GUISaveState.PREVCOMMENTSSIZE, 0); for (int x = 0; x < prevCommentsSize; x++) { String comment = p.get(GUISaveState.COMMENTKEYS[x], ""); newInstance.previousComments.add(comment); }/*from ww w .j av a2s . com*/ int size = Math.min(MAXNUMRECENTPROJECTS, p.getInt(GUISaveState.NUMPROJECTS, 0)); for (int x = 0; x < size; x++) { newInstance.addRecentFile(new File(p.get(GUISaveState.RECENTPROJECTKEYS[x], ""))); } int sorterSize = p.getInt(GUISaveState.SORTERTABLELENGTH, -1); if (sorterSize != -1) { ArrayList<Sortables> sortColumns = new ArrayList<Sortables>(); String[] sortKeys = GUISaveState.generateSorterKeys(sorterSize); for (int x = 0; x < sorterSize; x++) { Sortables s = Sortables.getSortableByPrettyName(p.get(sortKeys[x], "*none*")); if (s == null) { if (MainFrame.GUI2_DEBUG) { System.err.println("Sort order was corrupted, using default sort order"); } newInstance.useDefault = true; break; } sortColumns.add(s); } if (!newInstance.useDefault) { // add in default columns Set<Sortables> missingSortColumns = new HashSet<Sortables>(Arrays.asList(DEFAULT_COLUMN_HEADERS)); missingSortColumns.removeAll(sortColumns); sortColumns.addAll(missingSortColumns); newInstance.sortColumns = sortColumns.toArray(new Sortables[sortColumns.size()]); } } else { newInstance.useDefault = true; } newInstance.dockingLayout = p.getByteArray(DOCKINGLAYOUT, new byte[0]); String boundsString = p.get(FRAME_BOUNDS, null); Rectangle r = new Rectangle(0, 0, 800, 650); if (boundsString != null) { String[] a = boundsString.split(",", 4); if (a.length > 0) { try { r.x = Math.max(0, Integer.parseInt(a[0])); } catch (NumberFormatException nfe) { assert true; } } if (a.length > 1) { try { r.y = Math.max(0, Integer.parseInt(a[1])); } catch (NumberFormatException nfe) { assert true; } } if (a.length > 2) { try { r.width = Math.max(40, Integer.parseInt(a[2])); } catch (NumberFormatException nfe) { assert true; } } if (a.length > 3) { try { r.height = Math.max(40, Integer.parseInt(a[3])); } catch (NumberFormatException nfe) { assert true; } } } newInstance.frameBounds = r; newInstance.extendedWindowState = p.getInt(EXTENDED_WINDOW_STATE, Frame.NORMAL); newInstance.splitMain = p.getInt(SPLIT_MAIN, 400); newInstance.splitSummary = p.getInt(SPLIT_SUMMARY_NEW, 400); newInstance.splitTop = p.getInt(SPLIT_TOP, -1); newInstance.splitTreeComments = p.getInt(SPLIT_TREE_COMMENTS, 250); newInstance.packagePrefixSegments = p.getInt(PACKAGE_PREFIX_SEGEMENTS, 3); String plugins = p.get(CUSTOM_PLUGINS, ""); if (plugins.length() > 0) { for (String s : plugins.split(" ")) { try { URI u = new URI(s); Plugin.addCustomPlugin(u); newInstance.customPlugins.add(u); } catch (PluginException e) { assert true; } catch (URISyntaxException e) { assert true; } } } String enabledPluginsString = p.get(ENABLED_PLUGINS, ""); String disabledPluginsString = p.get(DISABLED_PLUGINS, ""); newInstance.enabledPlugins = new ArrayList<String>(Arrays.asList(enabledPluginsString.split(","))); newInstance.disabledPlugins = new ArrayList<String>(Arrays.asList(disabledPluginsString.split(","))); instance = newInstance; }
From source file:org.apache.pdfbox.pdmodel.font.FileSystemFontProvider.java
private List<FSFontInfo> loadCache(List<File> files) { // Get the preferences database for this package. Preferences prefs = Preferences.userNodeForPackage(FileSystemFontProvider.class); List<FSFontInfo> results = new ArrayList<FSFontInfo>(); for (File file : files) { // The second argument is the default if the key isn't found. byte[] stored = prefs.getByteArray(file.getAbsolutePath(), null); if (stored != null) { try { ByteArrayInputStream byteIn = new ByteArrayInputStream(stored); ObjectInputStream objectIn = new ObjectInputStream(byteIn); Object object = objectIn.readObject(); if (object instanceof FSFontInfo) { FSFontInfo info = (FSFontInfo) object; info.parent = this; results.add(info);//www .j a v a2 s .c om } } catch (ClassNotFoundException e) { LOG.error("Error loading font cache, will be re-built", e); return null; } catch (IOException e) { LOG.error("Error loading font cache, will be re-built", e); return null; } } else { // re-build the entire cache if we encounter un-cached fonts (could be optimised) LOG.warn("New fonts found, font cache will be re-built"); return null; } } return results; }
From source file:org.netbeans.jcode.util.PreferenceUtils.java
public static <T> T get(Preferences pref, Class<T> _class) { T newInstance = null;/*from ww w . jav a2s . c om*/ // ClassLoader ctxLoader = Thread.currentThread().getContextClassLoader(); try { // Thread.currentThread().setContextClassLoader(_class.getClassLoader()); newInstance = _class.newInstance(); return (T) PreferenceUtils.deserialize( pref.getByteArray(_class.getName(), PreferenceUtils.serialize((Serializable) newInstance)), _class.getClassLoader()); } catch (InvalidClassException ex) { return newInstance; } catch (InstantiationException | IllegalAccessException ex) { Exceptions.printStackTrace(ex); } finally { // Thread.currentThread().setContextClassLoader(ctxLoader); } return null; }