--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/text/ComposedCharIter.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2001-2005 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 sun.text;
+
+import sun.text.normalizer.NormalizerBase;
+import sun.text.normalizer.NormalizerImpl;
+
+public final class ComposedCharIter {
+    /**
+     * Constant that indicates the iteration has completed.
+     * {@link #next} returns this value when there are no more composed characters
+     * over which to iterate.
+     */
+    public static final int DONE = NormalizerBase.DONE;
+
+    //cache the decomps mapping, so the seconde composedcharIter does
+    //not need to get the data again.
+    private static int chars[];
+    private static String decomps[];
+    private static int decompNum;
+
+    static {
+        int maxNum = 2000;     //TBD: Unicode 4.0 only has 1926 canoDecomp...
+        chars = new int[maxNum];
+        decomps = new String[maxNum];
+        decompNum = NormalizerImpl.getDecompose(chars, decomps);
+    }
+
+    /**
+     * Construct a new <tt>ComposedCharIter</tt>.  The iterator will return
+     * all Unicode characters with canonical decompositions, excluding Korean
+     * Hangul characters.
+     */
+    public ComposedCharIter() { }
+
+    /**
+     * Returns the next precomposed Unicode character.
+     * Repeated calls to <tt>next</tt> return all of the precomposed characters defined
+     * by Unicode, in ascending order.  After all precomposed characters have
+     * been returned, {@link #hasNext} will return <tt>false</tt> and further calls
+     * to <tt>next</tt> will return {@link #DONE}.
+     */
+    public int next() {
+        if (curChar == decompNum - 1) {
+            return DONE;
+        }
+        return chars[++curChar];
+    }
+
+    /**
+     * Returns the Unicode decomposition of the current character.
+     * This method returns the decomposition of the precomposed character most
+     * recently returned by {@link #next}.  The resulting decomposition is
+     * affected by the settings of the options passed to the constructor.
+     */
+    public String decomposition() {
+        return decomps[curChar];
+    }
+    private int curChar = -1;
+}