--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/lang/CharacterData.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2006 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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+package java.lang;
+
+abstract class CharacterData {
+    abstract int getProperties(int ch);
+    abstract int getType(int ch);
+    abstract boolean isWhitespace(int ch);
+    abstract boolean isMirrored(int ch);
+    abstract boolean isJavaIdentifierStart(int ch);
+    abstract boolean isJavaIdentifierPart(int ch);
+    abstract boolean isUnicodeIdentifierStart(int ch);
+    abstract boolean isUnicodeIdentifierPart(int ch);
+    abstract boolean isIdentifierIgnorable(int ch);
+    abstract int toLowerCase(int ch);
+    abstract int toUpperCase(int ch);
+    abstract int toTitleCase(int ch);
+    abstract int digit(int ch, int radix);
+    abstract int getNumericValue(int ch);
+    abstract byte getDirectionality(int ch);
+
+    //need to implement for JSR204
+    int toUpperCaseEx(int ch) {
+        return toUpperCase(ch);
+    }
+    char[] toUpperCaseCharArray(int ch) {
+        return null;
+    }
+
+    // Character <= 0xff (basic latin) is handled by internal fast-path
+    // to avoid initializing large tables.
+    // Note: performance of this "fast-path" code may be sub-optimal
+    // in negative cases for some accessors due to complicated ranges.
+    // Should revisit after optimization of table initialization.
+
+    static final CharacterData of(int ch) {
+        if (ch >>> 8 == 0) {     // fast-path
+            return CharacterDataLatin1.instance;
+        } else {
+            switch(ch >>> 16) {  //plane 00-16
+            case(0):
+                return CharacterData00.instance;
+            case(1):
+                return CharacterData01.instance;
+            case(2):
+                return CharacterData02.instance;
+            case(14):
+                return CharacterData0E.instance;
+            case(15):   // Private Use
+            case(16):   // Private Use
+                return CharacterDataPrivateUse.instance;
+            default:
+                return CharacterDataUndefined.instance;
+            }
+        }
+    }
+}