Examples of java.util.prefs.Preferences

java.util.prefs.Preferences
sun.com/dtd/preferences.dtd"> Note that the system URI (http://java.sun.com/dtd/preferences.dtd) is not accessed when exporting or importing preferences; it merely serves as a string to uniquely identify the DTD, which is:
```
 <?xml version="1.0" encoding="UTF-8"?>   <!ELEMENT preferences (root)>  <!ATTLIST preferences EXTERNAL_XML_VERSION CDATA "0.0" >    <!ELEMENT root (map, node*) >  <!ATTLIST root type (system|user) #REQUIRED >  <!ELEMENT node (map, node*) >  <!ATTLIST node name CDATA #REQUIRED >  <!ELEMENT map (entry*) >  <!ELEMENT entry EMPTY > <!ATTLIST entry key   CDATA #REQUIRED value CDATA #REQUIRED > 
```
Every Preferences implementation must have an associated {@link PreferencesFactory} implementation. Every Java(TM) SE implementation must providesome means of specifying which PreferencesFactory implementation is used to generate the root preferences nodes. This allows the administrator to replace the default preferences implementation with an alternative implementation.
Implementation note: In Sun's JRE, the PreferencesFactory implementation is located as follows:
1. If the system property java.util.prefs.PreferencesFactory is defined, then it is taken to be the fully-qualified name of a class implementing the PreferencesFactory interface. The class is loaded and instantiated; if this process fails then an unspecified error is thrown.
2. If a PreferencesFactory implementation class file has been installed in a jar file that is visible to the {@link java.lang.ClassLoader#getSystemClassLoader system class loader}, and that jar file contains a provider-configuration file named java.util.prefs.PreferencesFactory in the resource directory META-INF/services, then the first class name specified in that file is taken. If more than one such jar file is provided, the first one found will be used. The class is loaded and instantiated; if this process fails then an unspecified error is thrown.
3. Finally, if neither the above-mentioned system property nor an extension jar file is provided, then the system-wide default PreferencesFactory implementation for the underlying platform is loaded and instantiated.
@author Josh Bloch @version 1.30, 06/26/06 @since 1.4


  public static List createDefaults( Preferences mainPrefs, double lastVersion )
  {
    File      f;
    String      value;
    Preferences    childPrefs, childPrefs2;
    final String  fs      = File.separator;
    final boolean  isMacOS    = System.getProperty( "os.name" ).indexOf( "Mac OS" ) >= 0;
        final boolean  isWindows  = System.getProperty( "os.name" ).indexOf( "Windows" ) >= 0;
    final List    warnings  = new ArrayList();
  
    putDontOverwrite( IOUtil.getUserPrefs(), IOUtil.KEY_TEMPDIR, System.getProperty( "java.io.tmpdir" ));


    // general
    putDontOverwrite( mainPrefs, KEY_LOOKANDFEEL, UIManager.getSystemLookAndFeelClassName() );
    putBooleanDontOverwrite( mainPrefs, CoverGrowBox.KEY_INTRUDINGSIZE, isMacOS );
    putBooleanDontOverwrite( mainPrefs, KEY_INSERTIONFOLLOWSPLAY, true );
    putBooleanDontOverwrite( mainPrefs, KEY_VIEWCHANMETERS , true );
    putBooleanDontOverwrite( mainPrefs, KEY_VIEWMARKERS , true );
    putBooleanDontOverwrite( mainPrefs, KEY_VIEWNULLLINIE , true );
    putBooleanDontOverwrite( mainPrefs, KEY_VIEWVERTICALRULERS, true );
    putBooleanDontOverwrite( mainPrefs, KEY_CATCH, true );
    
    putIntDontOverwrite( mainPrefs, KEY_TIMEUNITS, TIME_MINSECS );
    putIntDontOverwrite( mainPrefs, KEY_VERTSCALE, VSCALE_AMP_LIN );


    // audio
    childPrefs  = mainPrefs.node( NODE_AUDIO );
    childPrefs.remove( "boottimeout" );    // not used any more
    childPrefs.remove( "audiodevice" );    // not used any more
    childPrefs.remove( "audioinputs" );    // not used any more
    childPrefs.remove( "audiooutputs" );  // not used any more


        putDontOverwrite( childPrefs, KEY_AUTOPLAYFROMFINDER, AUTOPLAYFROMFINDER_NONE );


    // audioboxes
    value = AudioBoxConfig.ID_DEFAULT;
    putDontOverwrite( childPrefs, KEY_AUDIOBOX, value );
    try {
      if( !childPrefs.nodeExists( NODE_AUDIOBOXES )) {
        childPrefs2  = childPrefs.node( NODE_AUDIOBOXES );
        new AudioBoxConfig( value, "Default", 8, 8, true ).toPrefs( childPrefs2.node( value ));
      }
    }
    catch( BackingStoreException e1 ) {
      warnings.add( e1.toString() );
    }


    putDontOverwrite( childPrefs, KEY_AUDIORATE, new Param( 0, ParamSpace.FREQ | ParamSpace.HERTZ ).toString() );
    putDontOverwrite( childPrefs, KEY_AUDIOBUSSES, new Param( 256, ParamSpace.NONE ).toString() );
    putDontOverwrite( childPrefs, KEY_SCMEMSIZE, new Param( 8, ParamSpace.NONE ).toString() );
    putDontOverwrite( childPrefs, KEY_SCBLOCKSIZE, new Param( 64, ParamSpace.NONE ).toString() );
    putBooleanDontOverwrite( childPrefs, KEY_SCRENDEZVOUS, true );
//    putBooleanDontOverwrite( childPrefs, KEY_AUTOBOOT, false );


    // outputconfigs
    value = "out1to2";
    putDontOverwrite( childPrefs, KEY_OUTPUTCONFIG, value );
    try {
      if( !childPrefs.nodeExists( NODE_OUTPUTCONFIGS )) {
        childPrefs2 = childPrefs.node( NODE_OUTPUTCONFIGS );
        new RoutingConfig( value, "Out 1-2", new int[] { 0, 1 }, -90f ).toPrefs(
          childPrefs2.node( value ));
        value = "out1to8";
        new RoutingConfig( value, "Out 1-8", new int[] { 0, 1, 2, 3, 4, 5, 6, 7 }, -45f ).toPrefs(
          childPrefs2.node( value ));
//        // ok dis wan is rather for demonstration purpose
//        new RoutingConfig( value, 2, new int[] { 1, 0 }, -90f ).toPrefs(
//          childPrefs2.node( "Reversed Stereo" ));
      }
    }
    catch( BackingStoreException e1 ) {
      warnings.add( e1.toString() );
    }


    // inputconfigs
    try {
      if( !childPrefs.nodeExists( NODE_INPUTCONFIGS )) {
        childPrefs2 = childPrefs.node( NODE_INPUTCONFIGS );
        value = "in1";
        new RoutingConfig( value, "In 1", new int[] { 0 }, 0f ).toPrefs(
          childPrefs2.node( value ));
        value = "in1to2";
        new RoutingConfig( value, "In 1-2", new int[] { 0, 1 }, 0f ).toPrefs(
          childPrefs2.node( value ));
        value = "in1to8";
        new RoutingConfig( value, "In 1-8", new int[] { 0, 1, 2, 3, 4, 5, 6, 7 }, 0f ).toPrefs(
          childPrefs2.node( value ));
//        // ok dis wan is rather for demonstration purpose
//        new RoutingConfig( value, 2, new int[] { 1, 0 }, -90f ).toPrefs(
//          childPrefs2.node( "Reversed Stereo" ));
      }
    }
    catch( BackingStoreException e1 ) {
      warnings.add( e1.toString() );
    }


//    try {
//      value   = InetAddress.getLocalHost().getHostName() + ":57110";
//    }
//    catch( IOException e1 ) {
//      System.err.println( e1.toString() );
//      value   = "127.0.0.1:57109";  // not 57110 which may interfere with a running copy of sclang
//    }
//    putDontOverwrite( childPrefs, KEY_SUPERCOLLIDEROSC, value );
    putDontOverwrite( childPrefs, KEY_SCPROTOCOL, OSCChannel.TCP );
    putDontOverwrite( childPrefs, KEY_SCPORT, new Param( 0, ParamSpace.NONE | ParamSpace.ABS ).toString() );
    
    // sc app
    if( childPrefs.get( KEY_SUPERCOLLIDERAPP, null ) == null ) {
      f  = findFile( isWindows ? "scsynth.exe" : "scsynth", new String[] {
        fs + "Applications" + fs + "SuperCollider_f",
        fs + "Applications" + fs + "SuperCollider",
        fs + "usr" + fs + "local" + fs + "bin",
        fs + "usr" + fs + "bin",
        "C:\\Program Files\\SuperCollider_f",
        "C:\\Program Files\\PsyCollider"
      });
      if( f == null ) {
        if( isMacOS ) {
          try {
            f = MRJAdapter.findApplication( "SCjm" );
            if( f != null ) f = new File( f.getParentFile(), "scsynth" );
          }
          catch( IOException e1 ) { /* ignore */ }
        }
        if( f == null ) {
          warnings.add( AbstractApplication.getApplication().getResourceString( "errSCSynthAppNotFound" ));
        }
      }
      if( f != null ) putDontOverwrite( childPrefs, KEY_SUPERCOLLIDERAPP, f.getAbsolutePath() );
    }


    value = childPrefs.get( KEY_SUPERCOLLIDERAPP, null );
    putBooleanDontOverwrite( childPrefs, KEY_AUTOBOOT, (value != null) && new File( value ).isFile() );


    // OSC
    childPrefs  = OSCRoot.getInstance().getPreferences();
    if( childPrefs.get( OSCGUI.KEY_SWINGAPP, null ) == null ) {
      final String[] folders = new String[ value == null ? 2 : 4 ];
      folders[ 0 ] = fs + "Applications" + fs + "SwingOSC";
      folders[ 1 ] = "C:\\Program Files\\SwingOSC";
      if( value != null ) {
        folders[ 2 ] = new File( value ).getParentFile().getAbsolutePath();
        folders[ 3 ] = new File( new File( new File( value ).getParentFile(), "SwingOSC" ), "build" ).getAbsolutePath();
      }
      f  = findFile( "SwingOSC.jar", folders );
//      if( f == null ) {
//        warnings.add( AbstractApplication.getApplication().getResourceString( "errSCSynthAppNotFound" ));
//      }
      if( f != null ) putDontOverwrite( childPrefs, OSCGUI.KEY_SWINGAPP, f.getAbsolutePath() );
    }
    
    // view
    childPrefs  = mainPrefs.node( NODE_VIEW );
    try {
      if( !childPrefs.nodeExists( NODE_SONAGRAM )) {
        childPrefs2 = childPrefs.node( NODE_SONAGRAM );
        new ConstQ().writePrefs( childPrefs2 );
      }
    }
    catch( BackingStoreException e1 ) {
      warnings.add( e1.toString() );

View Full Code Here


    if( instance != null ) throw new IllegalStateException( "Only one instance allowed" );
    instance  = this;
  
    final Application        app      = AbstractApplication.getApplication();
    final Preferences        userPrefs  = app.getUserPrefs();
    final PreferenceChangeListener  oCfgListener;


    audioPrefs        = userPrefs.node( PrefsUtil.NODE_AUDIO );
    so            = new ServerOptions();
    so.setBlockAllocFactory( new ContiguousBlockAllocator.Factory() );  // deals better with fragmentation
    
    oCfgListener = new PreferenceChangeListener() {
      public void preferenceChange( PreferenceChangeEvent e )

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  protected void outputConfigChanged()
  {
    SuperColliderPlayer p;
    
    final String    cfgID    = audioPrefs.get( PrefsUtil.KEY_OUTPUTCONFIG, null );
    final Preferences  childPrefs  = audioPrefs.node( PrefsUtil.NODE_OUTPUTCONFIGS );
    RoutingConfig    newCfg    = null;


//    oCfg = null;
    
    if( oCfgNode != null ) {
      oCfgDynPrefs.stopListening();
      oCfgDynPrefs.setPreferences( null );
      oCfgNode = null;
    }


    try {
      if( (cfgID != null) && childPrefs.nodeExists( cfgID )) {
        oCfgNode  = childPrefs.node( cfgID );
        newCfg    = new RoutingConfig( oCfgNode );
//        oCfgNode.addPreferenceChangeListener( oCfgListener );
        oCfgDynPrefs.setPreferences( oCfgNode );
        oCfgDynPrefs.startListening();
      }

View Full Code Here

  public Main( String[] args )
  {
    super( Main.class, APP_NAME );


    final List          warnings;
    final Preferences      prefs      = getUserPrefs();
    final double        prefsVersion;
//    final ObserverPalette    frameObserver;
//    final ControlRoomFrame    paletteCtrlRoom;
    final MainFrame        mainFrame;
//    final CacheManager      cacheManager;
    final OSCRoot        oscServer;
    final SuperColliderClient  superCollider;
    String            lafName;
    List            openDoc      = null;


    // ---- init prefs ----


    oscServer      = new OSCRoot( prefs.node( OSCRoot.DEFAULT_NODE ), 0x4549 );
    prefsVersion = prefs.getDouble( PrefsUtil.KEY_VERSION, 0.0 );
    if( prefsVersion < APP_VERSION ) {
      warnings = PrefsUtil.createDefaults( prefs, prefsVersion );
    } else {
      warnings = null;
    }
    
    // ---- check commandline options ----


        // WebLookAndFeel.install();
        // System.out.println(UIManager.getLookAndFeel().getName());
        UIManager.installLookAndFeel("WebLookAndFeel", "com.alee.laf.WebLookAndFeel");
        WebCheckBoxStyle   .animated            = false;
        WebProgressBarStyle.progressTopColor    = Color.lightGray;
        WebProgressBarStyle.progressBottomColor = Color.gray;
        // XXX TODO: how to really turn of animation?
        WebProgressBarStyle.highlightWhite      = new Color(255, 255, 255, 0); // 48)
        WebProgressBarStyle.highlightDarkWhite  = new Color(255, 255, 255, 0);


    lafName = prefs.get( PrefsUtil.KEY_LOOKANDFEEL, null );
    for( int i = 0; i < args.length; i++ ) {
      if( args[ i ].startsWith( "-" )) {
        if( args[ i ].equals( "-laf" )) {
          if( (i + 2) < args.length ) {
            UIManager.installLookAndFeel( args[ i + 1 ], args[ i + 2 ]);
            if( lafName == null ) lafName = args[ i + 2 ];
            i += 2;
          } else {
            System.err.println( "Option -laf requires two additional arguments (screen-name and class-name)." );
            System.exit( 1 );
          }
        } else {
          System.err.println( "Unknown option " + args[ i ]);
          System.exit( 1 );
        }
      } else {
        if( openDoc == null ) openDoc = new ArrayList();
        openDoc.add( args[ i ]);
      }
    }
        
    // ---- init look-and-feel ----


    System.setProperty( "swing.aatext", "true" );
    lookAndFeelUpdate( lafName );


//    JFrame.setDefaultLookAndFeelDecorated( true );


    // ---- init infrastructure ----
    // warning : reihenfolge is crucial
//    oscServer      = new OSCRoot( prefs.node( OSCRoot.DEFAULT_NODE ), 0x4549 );
    osc          = new OSCRouterWrapper( oscServer, this );
    final CacheManager cache = new PrefCacheManager( prefs.node( PrefCacheManager.DEFAULT_NODE ));
    superCollider    = new SuperColliderClient();


    init();
    
    // ---- listeners ----


    quitAfterSaveListener = new ProcessingThread.Listener() {
      public void processStarted( ProcessingThread.Event e ) { /* empty */ }


      // if the saving was successfull, we will call closeAll again
      public void processStopped( ProcessingThread.Event e )
      {
        if( e.isDone() ) {
          quit();
        }
      }
    };


    try {
      superCollider.init();
    }
    catch( IOException e1 ) {
      BasicWindowHandler.showErrorDialog( null, e1, "SuperColliderClient Initialization" );
      System.exit( 1 );
      return;
    }


//    scPlugInManager    = new SCPlugInManager( this );


    // ---- component views ----


    mainFrame    = new MainFrame();
    ((BasicWindowHandler) getWindowHandler()).setDefaultBorrower( mainFrame );
    final AppWindow ctrlRoom  = new ControlRoomFrame();
    final AppWindow observer  = new ObserverPalette();


    // means no preferences found, so
    // do some more default initializations
    // and display splash screen
    if( prefsVersion == 0.0 ) {
      ctrlRoom.setVisible( true );
      observer.setVisible( true );
      if( cache.getFolder().isDirectory() ) {
        cache.setActive( true );
      }
        new WelcomeScreen( this );
    }


    if( warnings != null ) {
      for( int i = 0; i < warnings.size(); i++ ) {
        System.err.println( warnings.get( i ));
      }
    }


    oscServer.init();
    
    if( prefs.node( PrefsUtil.NODE_AUDIO ).getBoolean( PrefsUtil.KEY_AUTOBOOT, false )) {
      superCollider.boot();
    }
    
//    de.sciss.gui.MultiStateButton.makeTestFrame( javax.swing.SwingConstants.CENTER, javax.swing.SwingConstants.CENTER );

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    this.fullScale  = fullScale;
    this.model    = model;


    constQ      = new ConstQ();
    
    final Preferences cqPrefs = AbstractApplication.getApplication().getUserPrefs().node( PrefsUtil.NODE_VIEW ).node( PrefsUtil.NODE_SONAGRAM );
    constQ.readPrefs( cqPrefs );
    constQ.setSampleRate( fullScale.getRate() );
    System.out.println( "Creating ConstQ Kernels..." );
    constQ.createKernels();
    numKernels    = constQ.getNumKernels();

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    static String cachedPreferences(String productName) {
        // ~/Library/Preferences/com.apple.java.util.prefs.plist
        // .java/.userPrefs/com/google/gwt/dev/shell/prefs.xml
        // HKEY_CURRENT_USER\SOFTWARE\JavaSoft\Prefs
        Preferences p = Preferences.userNodeForPackage(CvalInfo.class);
        return p.get(productName, null);
    }

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    /*
     * used in tests
     */
    static void cacheLicenseInfo(CvalInfo info) {
        if (info != null) {
            Preferences p = Preferences.userNodeForPackage(CvalInfo.class);
            if (info.toString().length() > Preferences.MAX_VALUE_LENGTH) {
                // This should never happen since MAX_VALUE_LENGTH is big
                // enough.
                // But server could eventually send a very big message, so we
                // discard it in cache and would use hard-coded messages.
                info.setMessage(null);
            }
            p.put(info.getProduct().getName(), info.toString());
        }
    }

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    /*
     * used in tests
     */
    static void deleteCache(String productName) {
        Preferences p = Preferences.userNodeForPackage(CvalInfo.class);
        p.remove(productName);
    }

View Full Code Here

        }
        return info;
    }


    private CvalInfo getCachedLicenseInfo(String productName) {
        Preferences p = Preferences.userNodeForPackage(CvalInfo.class);
        String json = p.get(productName, "");
        if (!json.isEmpty()) {
            CvalInfo info = parseJson(json);
            if (info != null) {
                return info;
            }

View Full Code Here

        }
    }


    private void initFromPrefs() {


        Preferences prefs = Preferences.userNodeForPackage(ConnectDialog.class);


        usernameTextField.setText(prefs.get("username", System.getProperty("user.name")));
        portSpinnerModel.setValue(prefs.getInt("port", 1025));
        hostTextField.setText(prefs.get("host", ""));


        caTopTextField.setText(prefs.get("caTop", System.getProperty("com.sun.grid.jgdi.caTop")));
        keyStoreTextField.setText(prefs.get("keyStore", System.getProperty("com.sun.grid.jgdi.keyStore")));
    }

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