6660049: Synth Region.uiToRegionMap/lowerCaseNameMap are mutable statics

Reviewed-by: hawtin

src/share/classes/javax/swing/plaf/synth/Region.java

 /*
- * Copyright 2002-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 2002-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,8 +24,13 @@
  */
 package javax.swing.plaf.synth;
 
-import javax.swing.*;
-import java.util.*;
+import sun.awt.AppContext;
+
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+import javax.swing.JComponent;
+import javax.swing.UIDefaults;
 
 /**
  * A distinct rendering area of a Swing component.  A component may
@@ -67,8 +72,8 @@ import java.util.*;
  * @author Scott Violet
  */
 public class Region {
-    private static final Map<String, Region> uiToRegionMap = new HashMap<String, Region>();
-    private static final Map<Region, String> lowerCaseNameMap = new HashMap<Region, String>();
+    private static final Object UI_TO_REGION_MAP_KEY = new Object();
+    private static final Object LOWER_CASE_NAME_MAP_KEY = new Object();
 
     /**
      * ArrowButton's are special types of buttons that also render a
@@ -77,396 +82,433 @@ public class Region {
      * To bind a style to this <code>Region</code> use the name
      * <code>ArrowButton</code>.
      */
-    public static final Region ARROW_BUTTON = new Region("ArrowButton",
-                                                         "ArrowButtonUI");
+    public static final Region ARROW_BUTTON = new Region("ArrowButton", false);
 
     /**
      * Button region. To bind a style to this <code>Region</code> use the name
      * <code>Button</code>.
      */
-    public static final Region BUTTON = new Region("Button",
-                                                   "ButtonUI");
+    public static final Region BUTTON = new Region("Button", false);
 
     /**
      * CheckBox region. To bind a style to this <code>Region</code> use the name
      * <code>CheckBox</code>.
      */
-    public static final Region CHECK_BOX = new Region("CheckBox",
-                                                   "CheckBoxUI");
+    public static final Region CHECK_BOX = new Region("CheckBox", false);
 
     /**
      * CheckBoxMenuItem region. To bind a style to this <code>Region</code> use
      * the name <code>CheckBoxMenuItem</code>.
      */
-    public static final Region CHECK_BOX_MENU_ITEM = new Region(
-                                     "CheckBoxMenuItem", "CheckBoxMenuItemUI");
+    public static final Region CHECK_BOX_MENU_ITEM = new Region("CheckBoxMenuItem", false);
 
     /**
      * ColorChooser region. To bind a style to this <code>Region</code> use
      * the name <code>ColorChooser</code>.
      */
-    public static final Region COLOR_CHOOSER = new Region(
-                                     "ColorChooser", "ColorChooserUI");
+    public static final Region COLOR_CHOOSER = new Region("ColorChooser", false);
 
     /**
      * ComboBox region. To bind a style to this <code>Region</code> use
      * the name <code>ComboBox</code>.
      */
-    public static final Region COMBO_BOX = new Region(
-                                     "ComboBox", "ComboBoxUI");
+    public static final Region COMBO_BOX = new Region("ComboBox", false);
 
     /**
      * DesktopPane region. To bind a style to this <code>Region</code> use
      * the name <code>DesktopPane</code>.
      */
-    public static final Region DESKTOP_PANE = new Region("DesktopPane",
-                                                         "DesktopPaneUI");
+    public static final Region DESKTOP_PANE = new Region("DesktopPane", false);
+
     /**
      * DesktopIcon region. To bind a style to this <code>Region</code> use
      * the name <code>DesktopIcon</code>.
      */
-    public static final Region DESKTOP_ICON = new Region("DesktopIcon",
-                                                         "DesktopIconUI");
+    public static final Region DESKTOP_ICON = new Region("DesktopIcon", false);
 
     /**
      * EditorPane region. To bind a style to this <code>Region</code> use
      * the name <code>EditorPane</code>.
      */
-    public static final Region EDITOR_PANE = new Region("EditorPane",
-                                                        "EditorPaneUI");
+    public static final Region EDITOR_PANE = new Region("EditorPane", false);
 
     /**
      * FileChooser region. To bind a style to this <code>Region</code> use
      * the name <code>FileChooser</code>.
      */
-    public static final Region FILE_CHOOSER = new Region("FileChooser",
-                                                         "FileChooserUI");
+    public static final Region FILE_CHOOSER = new Region("FileChooser", false);
 
     /**
      * FormattedTextField region. To bind a style to this <code>Region</code> use
      * the name <code>FormattedTextField</code>.
      */
-    public static final Region FORMATTED_TEXT_FIELD = new Region(
-                            "FormattedTextField", "FormattedTextFieldUI");
+    public static final Region FORMATTED_TEXT_FIELD = new Region("FormattedTextField", false);
 
     /**
      * InternalFrame region. To bind a style to this <code>Region</code> use
      * the name <code>InternalFrame</code>.
      */
-    public static final Region INTERNAL_FRAME = new Region("InternalFrame",
-                                                           "InternalFrameUI");
+    public static final Region INTERNAL_FRAME = new Region("InternalFrame", false);
+
     /**
      * TitlePane of an InternalFrame. The TitlePane typically
      * shows a menu, title, widgets to manipulate the internal frame.
      * To bind a style to this <code>Region</code> use the name
      * <code>InternalFrameTitlePane</code>.
      */
-    public static final Region INTERNAL_FRAME_TITLE_PANE =
-                         new Region("InternalFrameTitlePane",
-                                    "InternalFrameTitlePaneUI");
+    public static final Region INTERNAL_FRAME_TITLE_PANE = new Region("InternalFrameTitlePane", false);
 
     /**
      * Label region. To bind a style to this <code>Region</code> use the name
      * <code>Label</code>.
      */
-    public static final Region LABEL = new Region("Label", "LabelUI");
+    public static final Region LABEL = new Region("Label", false);
 
     /**
      * List region. To bind a style to this <code>Region</code> use the name
      * <code>List</code>.
      */
-    public static final Region LIST = new Region("List", "ListUI");
+    public static final Region LIST = new Region("List", false);
 
     /**
      * Menu region. To bind a style to this <code>Region</code> use the name
      * <code>Menu</code>.
      */
-    public static final Region MENU = new Region("Menu", "MenuUI");
+    public static final Region MENU = new Region("Menu", false);
 
     /**
      * MenuBar region. To bind a style to this <code>Region</code> use the name
      * <code>MenuBar</code>.
      */
-    public static final Region MENU_BAR = new Region("MenuBar", "MenuBarUI");
+    public static final Region MENU_BAR = new Region("MenuBar", false);
 
     /**
      * MenuItem region. To bind a style to this <code>Region</code> use the name
      * <code>MenuItem</code>.
      */
-    public static final Region MENU_ITEM = new Region("MenuItem","MenuItemUI");
+    public static final Region MENU_ITEM = new Region("MenuItem", false);
 
     /**
      * Accelerator region of a MenuItem. To bind a style to this
      * <code>Region</code> use the name <code>MenuItemAccelerator</code>.
      */
-    public static final Region MENU_ITEM_ACCELERATOR = new Region(
-                                         "MenuItemAccelerator");
+    public static final Region MENU_ITEM_ACCELERATOR = new Region("MenuItemAccelerator", true);
 
     /**
      * OptionPane region. To bind a style to this <code>Region</code> use
      * the name <code>OptionPane</code>.
      */
-    public static final Region OPTION_PANE = new Region("OptionPane",
-                                                        "OptionPaneUI");
+    public static final Region OPTION_PANE = new Region("OptionPane", false);
 
     /**
      * Panel region. To bind a style to this <code>Region</code> use the name
      * <code>Panel</code>.
      */
-    public static final Region PANEL = new Region("Panel", "PanelUI");
+    public static final Region PANEL = new Region("Panel", false);
 
     /**
      * PasswordField region. To bind a style to this <code>Region</code> use
      * the name <code>PasswordField</code>.
      */
-    public static final Region PASSWORD_FIELD = new Region("PasswordField",
-                                                           "PasswordFieldUI");
+    public static final Region PASSWORD_FIELD = new Region("PasswordField", false);
 
     /**
      * PopupMenu region. To bind a style to this <code>Region</code> use
      * the name <code>PopupMenu</code>.
      */
-    public static final Region POPUP_MENU = new Region("PopupMenu",
-                                                       "PopupMenuUI");
+    public static final Region POPUP_MENU = new Region("PopupMenu", false);
 
     /**
      * PopupMenuSeparator region. To bind a style to this <code>Region</code>
      * use the name <code>PopupMenuSeparator</code>.
      */
-    public static final Region POPUP_MENU_SEPARATOR = new Region(
-                           "PopupMenuSeparator", "PopupMenuSeparatorUI");
+    public static final Region POPUP_MENU_SEPARATOR = new Region("PopupMenuSeparator", false);
 
     /**
      * ProgressBar region. To bind a style to this <code>Region</code>
      * use the name <code>ProgressBar</code>.
      */
-    public static final Region PROGRESS_BAR = new Region("ProgressBar",
-                                                         "ProgressBarUI");
+    public static final Region PROGRESS_BAR = new Region("ProgressBar", false);
 
     /**
      * RadioButton region. To bind a style to this <code>Region</code>
      * use the name <code>RadioButton</code>.
      */
-    public static final Region RADIO_BUTTON = new Region(
-                               "RadioButton", "RadioButtonUI");
+    public static final Region RADIO_BUTTON = new Region("RadioButton", false);
 
     /**
      * RegionButtonMenuItem region. To bind a style to this <code>Region</code>
      * use the name <code>RadioButtonMenuItem</code>.
      */
-    public static final Region RADIO_BUTTON_MENU_ITEM = new Region(
-                               "RadioButtonMenuItem", "RadioButtonMenuItemUI");
+    public static final Region RADIO_BUTTON_MENU_ITEM = new Region("RadioButtonMenuItem", false);
 
     /**
      * RootPane region. To bind a style to this <code>Region</code> use
      * the name <code>RootPane</code>.
      */
-    public static final Region ROOT_PANE = new Region("RootPane",
-                                                      "RootPaneUI");
+    public static final Region ROOT_PANE = new Region("RootPane", false);
 
     /**
      * ScrollBar region. To bind a style to this <code>Region</code> use
      * the name <code>ScrollBar</code>.
      */
-    public static final Region SCROLL_BAR = new Region("ScrollBar",
-                                                       "ScrollBarUI");
+    public static final Region SCROLL_BAR = new Region("ScrollBar", false);
+
     /**
      * Track of the ScrollBar. To bind a style to this <code>Region</code> use
      * the name <code>ScrollBarTrack</code>.
      */
-    public static final Region SCROLL_BAR_TRACK = new Region("ScrollBarTrack");
+    public static final Region SCROLL_BAR_TRACK = new Region("ScrollBarTrack", true);
+
     /**
      * Thumb of the ScrollBar. The thumb is the region of the ScrollBar
      * that gives a graphical depiction of what percentage of the View is
      * currently visible. To bind a style to this <code>Region</code> use
      * the name <code>ScrollBarThumb</code>.
      */
-    public static final Region SCROLL_BAR_THUMB = new Region("ScrollBarThumb");
+    public static final Region SCROLL_BAR_THUMB = new Region("ScrollBarThumb", true);
 
     /**
      * ScrollPane region. To bind a style to this <code>Region</code> use
      * the name <code>ScrollPane</code>.
      */
-    public static final Region SCROLL_PANE = new Region("ScrollPane",
-                                                        "ScrollPaneUI");
+    public static final Region SCROLL_PANE = new Region("ScrollPane", false);
 
     /**
      * Separator region. To bind a style to this <code>Region</code> use
      * the name <code>Separator</code>.
      */
-    public static final Region SEPARATOR = new Region("Separator",
-                                                      "SeparatorUI");
+    public static final Region SEPARATOR = new Region("Separator", false);
 
     /**
      * Slider region. To bind a style to this <code>Region</code> use
      * the name <code>Slider</code>.
      */
-    public static final Region SLIDER = new Region("Slider", "SliderUI");
+    public static final Region SLIDER = new Region("Slider", false);
+
     /**
      * Track of the Slider. To bind a style to this <code>Region</code> use
      * the name <code>SliderTrack</code>.
      */
-    public static final Region SLIDER_TRACK = new Region("SliderTrack");
+    public static final Region SLIDER_TRACK = new Region("SliderTrack", true);
+
     /**
      * Thumb of the Slider. The thumb of the Slider identifies the current
      * value. To bind a style to this <code>Region</code> use the name
      * <code>SliderThumb</code>.
      */
-    public static final Region SLIDER_THUMB = new Region("SliderThumb");
+    public static final Region SLIDER_THUMB = new Region("SliderThumb", true);
 
     /**
      * Spinner region. To bind a style to this <code>Region</code> use the name
      * <code>Spinner</code>.
      */
-    public static final Region SPINNER = new Region("Spinner", "SpinnerUI");
+    public static final Region SPINNER = new Region("Spinner", false);
 
     /**
      * SplitPane region. To bind a style to this <code>Region</code> use the name
      * <code>SplitPane</code>.
      */
-    public static final Region SPLIT_PANE = new Region("SplitPane",
-                                                      "SplitPaneUI");
+    public static final Region SPLIT_PANE = new Region("SplitPane", false);
 
     /**
      * Divider of the SplitPane. To bind a style to this <code>Region</code>
      * use the name <code>SplitPaneDivider</code>.
      */
-    public static final Region SPLIT_PANE_DIVIDER = new Region(
-                                        "SplitPaneDivider");
+    public static final Region SPLIT_PANE_DIVIDER = new Region("SplitPaneDivider", true);
 
     /**
      * TabbedPane region. To bind a style to this <code>Region</code> use
      * the name <code>TabbedPane</code>.
      */
-    public static final Region TABBED_PANE = new Region("TabbedPane",
-                                                        "TabbedPaneUI");
+    public static final Region TABBED_PANE = new Region("TabbedPane", false);
+
     /**
      * Region of a TabbedPane for one tab. To bind a style to this
      * <code>Region</code> use the name <code>TabbedPaneTab</code>.
      */
-    public static final Region TABBED_PANE_TAB = new Region("TabbedPaneTab");
+    public static final Region TABBED_PANE_TAB = new Region("TabbedPaneTab", true);
+
     /**
      * Region of a TabbedPane containing the tabs. To bind a style to this
      * <code>Region</code> use the name <code>TabbedPaneTabArea</code>.
      */
-    public static final Region TABBED_PANE_TAB_AREA =
-                                 new Region("TabbedPaneTabArea");
+    public static final Region TABBED_PANE_TAB_AREA = new Region("TabbedPaneTabArea", true);
+
     /**
      * Region of a TabbedPane containing the content. To bind a style to this
      * <code>Region</code> use the name <code>TabbedPaneContent</code>.
      */
-    public static final Region TABBED_PANE_CONTENT =
-                                 new Region("TabbedPaneContent");
+    public static final Region TABBED_PANE_CONTENT = new Region("TabbedPaneContent", true);
 
     /**
      * Table region. To bind a style to this <code>Region</code> use
      * the name <code>Table</code>.
      */
-    public static final Region TABLE = new Region("Table", "TableUI");
+    public static final Region TABLE = new Region("Table", false);
 
     /**
      * TableHeader region. To bind a style to this <code>Region</code> use
      * the name <code>TableHeader</code>.
      */
-    public static final Region TABLE_HEADER = new Region("TableHeader",
-                                                         "TableHeaderUI");
+    public static final Region TABLE_HEADER = new Region("TableHeader", false);
+
     /**
      * TextArea region. To bind a style to this <code>Region</code> use
      * the name <code>TextArea</code>.
      */
-    public static final Region TEXT_AREA = new Region("TextArea",
-                                                      "TextAreaUI");
+    public static final Region TEXT_AREA = new Region("TextArea", false);
 
     /**
      * TextField region. To bind a style to this <code>Region</code> use
      * the name <code>TextField</code>.
      */
-    public static final Region TEXT_FIELD = new Region("TextField",
-                                                       "TextFieldUI");
+    public static final Region TEXT_FIELD = new Region("TextField", false);
 
     /**
      * TextPane region. To bind a style to this <code>Region</code> use
      * the name <code>TextPane</code>.
      */
-    public static final Region TEXT_PANE = new Region("TextPane",
-                                                      "TextPaneUI");
+    public static final Region TEXT_PANE = new Region("TextPane", false);
 
     /**
      * ToggleButton region. To bind a style to this <code>Region</code> use
      * the name <code>ToggleButton</code>.
      */
-    public static final Region TOGGLE_BUTTON = new Region("ToggleButton",
-                                                          "ToggleButtonUI");
+    public static final Region TOGGLE_BUTTON = new Region("ToggleButton", false);
 
     /**
      * ToolBar region. To bind a style to this <code>Region</code> use
      * the name <code>ToolBar</code>.
      */
-    public static final Region TOOL_BAR = new Region("ToolBar", "ToolBarUI");
+    public static final Region TOOL_BAR = new Region("ToolBar", false);
+
     /**
      * Region of the ToolBar containing the content. To bind a style to this
      * <code>Region</code> use the name <code>ToolBarContent</code>.
      */
-    public static final Region TOOL_BAR_CONTENT = new Region("ToolBarContent");
+    public static final Region TOOL_BAR_CONTENT = new Region("ToolBarContent", true);
+
     /**
      * Region for the Window containing the ToolBar. To bind a style to this
      * <code>Region</code> use the name <code>ToolBarDragWindow</code>.
      */
-    public static final Region TOOL_BAR_DRAG_WINDOW = new Region(
-                                        "ToolBarDragWindow", null, false);
+    public static final Region TOOL_BAR_DRAG_WINDOW = new Region("ToolBarDragWindow", false);
 
     /**
      * ToolTip region. To bind a style to this <code>Region</code> use
      * the name <code>ToolTip</code>.
      */
-    public static final Region TOOL_TIP = new Region("ToolTip", "ToolTipUI");
+    public static final Region TOOL_TIP = new Region("ToolTip", false);
 
     /**
      * ToolBar separator region. To bind a style to this <code>Region</code> use
      * the name <code>ToolBarSeparator</code>.
      */
-    public static final Region TOOL_BAR_SEPARATOR = new Region(
-                          "ToolBarSeparator", "ToolBarSeparatorUI");
+    public static final Region TOOL_BAR_SEPARATOR = new Region("ToolBarSeparator", false);
 
     /**
      * Tree region. To bind a style to this <code>Region</code> use the name
      * <code>Tree</code>.
      */
-    public static final Region TREE = new Region("Tree", "TreeUI");
+    public static final Region TREE = new Region("Tree", false);
+
     /**
      * Region of the Tree for one cell. To bind a style to this
      * <code>Region</code> use the name <code>TreeCell</code>.
      */
-    public static final Region TREE_CELL = new Region("TreeCell");
+    public static final Region TREE_CELL = new Region("TreeCell", true);
 
     /**
      * Viewport region. To bind a style to this <code>Region</code> use
      * the name <code>Viewport</code>.
      */
-    public static final Region VIEWPORT = new Region("Viewport", "ViewportUI");
-
-
-    private String name;
-    private boolean subregion;
+    public static final Region VIEWPORT = new Region("Viewport", false);
+
+    private static Map<String, Region> getUItoRegionMap() {
+        AppContext context = AppContext.getAppContext();
+        Map<String, Region> map = (Map<String, Region>) context.get(UI_TO_REGION_MAP_KEY);
+        if (map == null) {
+            map = new HashMap<String, Region>();
+            map.put("ArrowButtonUI", ARROW_BUTTON);
+            map.put("ButtonUI", BUTTON);
+            map.put("CheckBoxUI", CHECK_BOX);
+            map.put("CheckBoxMenuItemUI", CHECK_BOX_MENU_ITEM);
+            map.put("ColorChooserUI", COLOR_CHOOSER);
+            map.put("ComboBoxUI", COMBO_BOX);
+            map.put("DesktopPaneUI", DESKTOP_PANE);
+            map.put("DesktopIconUI", DESKTOP_ICON);
+            map.put("EditorPaneUI", EDITOR_PANE);
+            map.put("FileChooserUI", FILE_CHOOSER);
+            map.put("FormattedTextFieldUI", FORMATTED_TEXT_FIELD);
+            map.put("InternalFrameUI", INTERNAL_FRAME);
+            map.put("InternalFrameTitlePaneUI", INTERNAL_FRAME_TITLE_PANE);
+            map.put("LabelUI", LABEL);
+            map.put("ListUI", LIST);
+            map.put("MenuUI", MENU);
+            map.put("MenuBarUI", MENU_BAR);
+            map.put("MenuItemUI", MENU_ITEM);
+            map.put("OptionPaneUI", OPTION_PANE);
+            map.put("PanelUI", PANEL);
+            map.put("PasswordFieldUI", PASSWORD_FIELD);
+            map.put("PopupMenuUI", POPUP_MENU);
+            map.put("PopupMenuSeparatorUI", POPUP_MENU_SEPARATOR);
+            map.put("ProgressBarUI", PROGRESS_BAR);
+            map.put("RadioButtonUI", RADIO_BUTTON);
+            map.put("RadioButtonMenuItemUI", RADIO_BUTTON_MENU_ITEM);
+            map.put("RootPaneUI", ROOT_PANE);
+            map.put("ScrollBarUI", SCROLL_BAR);
+            map.put("ScrollPaneUI", SCROLL_PANE);
+            map.put("SeparatorUI", SEPARATOR);
+            map.put("SliderUI", SLIDER);
+            map.put("SpinnerUI", SPINNER);
+            map.put("SplitPaneUI", SPLIT_PANE);
+            map.put("TabbedPaneUI", TABBED_PANE);
+            map.put("TableUI", TABLE);
+            map.put("TableHeaderUI", TABLE_HEADER);
+            map.put("TextAreaUI", TEXT_AREA);
+            map.put("TextFieldUI", TEXT_FIELD);
+            map.put("TextPaneUI", TEXT_PANE);
+            map.put("ToggleButtonUI", TOGGLE_BUTTON);
+            map.put("ToolBarUI", TOOL_BAR);
+            map.put("ToolTipUI", TOOL_TIP);
+            map.put("ToolBarSeparatorUI", TOOL_BAR_SEPARATOR);
+            map.put("TreeUI", TREE);
+            map.put("ViewportUI", VIEWPORT);
+            context.put(UI_TO_REGION_MAP_KEY, map);
+        }
+        return map;
+    }
 
+    private static Map<Region, String> getLowerCaseNameMap() {
+        AppContext context = AppContext.getAppContext();
+        Map<Region, String> map = (Map<Region, String>) context.get(LOWER_CASE_NAME_MAP_KEY);
+        if (map == null) {
+            map = new HashMap<Region, String>();
+            context.put(LOWER_CASE_NAME_MAP_KEY, map);
+        }
+        return map;
+    }
 
     static Region getRegion(JComponent c) {
-        return uiToRegionMap.get(c.getUIClassID());
+        return getUItoRegionMap().get(c.getUIClassID());
     }
 
     static void registerUIs(UIDefaults table) {
-        for (String key : uiToRegionMap.keySet()) {
+        for (Object key : getUItoRegionMap().keySet()) {
             table.put(key, "javax.swing.plaf.synth.SynthLookAndFeel");
         }
     }
 
+    private final String name;
+    private final boolean subregion;
 
-    Region(String name) {
-        this(name, null, true);
+    private Region(String name, boolean subregion) {
+        if (name == null) {
+            throw new NullPointerException("You must specify a non-null name");
         }
-
-    Region(String name, String ui) {
-        this(name, ui, false);
+        this.name = name;
+        this.subregion = subregion;
     }
 
     /**
@@ -481,14 +523,10 @@ public class Region {
      * @param subregion Whether or not this is a subregion.
      */
     protected Region(String name, String ui, boolean subregion) {
-        if (name == null) {
-            throw new NullPointerException("You must specify a non-null name");
-        }
-        this.name = name;
+        this(name, subregion);
         if (ui != null) {
-            uiToRegionMap.put(ui, this);
+            getUItoRegionMap().put(ui, this);
         }
-        this.subregion = subregion;
     }
 
     /**
@@ -514,23 +552,25 @@ public class Region {
 
     /**
      * Returns the name, in lowercase.
+     *
+     * @return lower case representation of the name of the Region
      */
     String getLowerCaseName() {
-        synchronized(lowerCaseNameMap) {
+        Map<Region, String> lowerCaseNameMap = getLowerCaseNameMap();
         String lowerCaseName = lowerCaseNameMap.get(this);
         if (lowerCaseName == null) {
-                lowerCaseName = getName().toLowerCase();
+            lowerCaseName = name.toLowerCase(Locale.ENGLISH);
             lowerCaseNameMap.put(this, lowerCaseName);
         }
         return lowerCaseName;
     }
-    }
 
     /**
      * Returns the name of the Region.
      *
      * @return name of the Region.
      */
+    @Override
     public String toString() {
         return name;
     }

test/javax/swing/plaf/synth/Test6660049.java

+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 6660049 6849518
+ * @summary Tests the Region initialization
+ * @author Sergey Malenkov
+ */
+
+import sun.awt.SunToolkit;
+
+import javax.swing.JButton;
+import javax.swing.JComponent;
+import javax.swing.SwingUtilities;
+import javax.swing.plaf.synth.Region;
+import javax.swing.plaf.synth.SynthLookAndFeel;
+
+public class Test6660049 implements Runnable {
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(new Test6660049(
+                javax.swing.JButton.class,
+                javax.swing.JCheckBox.class,
+                javax.swing.JCheckBoxMenuItem.class,
+                javax.swing.JColorChooser.class,
+                javax.swing.JComboBox.class,
+                javax.swing.JDesktopPane.class,
+                javax.swing.JEditorPane.class,
+                javax.swing.JFileChooser.class,
+                javax.swing.JFormattedTextField.class,
+                javax.swing.JInternalFrame.class,
+                javax.swing.JLabel.class,
+                javax.swing.JList.class,
+                javax.swing.JMenu.class,
+                javax.swing.JMenuBar.class,
+                javax.swing.JMenuItem.class,
+                javax.swing.JOptionPane.class,
+                javax.swing.JPanel.class,
+                javax.swing.JPasswordField.class,
+                javax.swing.JPopupMenu.class,
+                javax.swing.JProgressBar.class,
+                javax.swing.JRadioButton.class,
+                javax.swing.JRadioButtonMenuItem.class,
+                javax.swing.JRootPane.class,
+                javax.swing.JScrollBar.class,
+                javax.swing.JScrollPane.class,
+                javax.swing.JSeparator.class,
+                javax.swing.JSlider.class,
+                javax.swing.JSpinner.class,
+                javax.swing.JSplitPane.class,
+                javax.swing.JTabbedPane.class,
+                javax.swing.JTable.class,
+                javax.swing.JTextArea.class,
+                javax.swing.JTextField.class,
+                javax.swing.JTextPane.class,
+                javax.swing.JToggleButton.class,
+                javax.swing.JToolBar.class,
+                javax.swing.JToolTip.class,
+                javax.swing.JTree.class,
+                javax.swing.JViewport.class,
+                javax.swing.table.JTableHeader.class));
+    }
+
+    private final Class<? extends JComponent>[] types;
+    private final Region region;
+
+    private Test6660049(Class<? extends JComponent>... types) {
+        this.types = types;
+        run();
+
+        this.region = new Region("Button", "ButtonUI", true) {
+            @Override
+            public String getName() {
+                throw new Error("6660049: exploit is available");
+            }
+        };
+    }
+
+    public void run() {
+        if (this.region != null) {
+            SunToolkit.createNewAppContext();
+        }
+        for (Class<? extends JComponent> type : this.types) {
+            Region region = getRegion(type);
+            if (region == null) {
+                throw new Error("6849518: region is not initialized");
+            }
+        }
+        getRegion(JButton.class).getName();
+    }
+
+    private static Region getRegion(Class<? extends JComponent> type) {
+        try {
+            return SynthLookAndFeel.getRegion(type.newInstance());
+        }
+        catch (IllegalAccessException exception) {
+            throw new Error("unexpected exception", exception);
+        }
+        catch (InstantiationException exception) {
+            throw new Error("unexpected exception", exception);
+        }
+    }
+}