--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/io/CharToByteUnicode.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,153 @@
+/*
+ * Copyright 1996-2002 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.io;
+import java.io.*;
+
+
+/**
+ * Convert arrays containing Unicode characters into arrays of bytes, using the
+ * platform-default byte order.
+ *
+ * @author      Mark Reinhold
+ */
+
+public class CharToByteUnicode extends CharToByteConverter {
+
+    static final char BYTE_ORDER_MARK = (char) 0xfeff;
+    protected boolean usesMark = true;      /* A mark should be written */
+    private boolean markWritten = false;  /* A mark has been written */
+
+    static final int UNKNOWN = 0;
+    static final int BIG = 1;
+    static final int LITTLE = 2;
+    protected int byteOrder = UNKNOWN;
+
+    public CharToByteUnicode() {
+        String enc = (String) java.security.AccessController.doPrivileged(
+           new sun.security.action.GetPropertyAction("sun.io.unicode.encoding",
+                                                          "UnicodeBig"));
+        if (enc.equals("UnicodeBig"))
+            byteOrder = BIG;
+        else if (enc.equals("UnicodeLittle"))
+            byteOrder = LITTLE;
+        else
+            byteOrder = BIG;
+    }
+
+    public CharToByteUnicode(int byteOrder, boolean usesMark) {
+        this.byteOrder = byteOrder;
+        this.usesMark = usesMark;
+    }
+
+    public CharToByteUnicode(boolean usesMark) {
+        this();
+        this.usesMark = usesMark;
+    }
+
+    public String getCharacterEncoding() {
+        switch (byteOrder) {
+        case BIG:
+            return usesMark ? "UnicodeBig" : "UnicodeBigUnmarked";
+        case LITTLE:
+            return usesMark ? "UnicodeLittle" : "UnicodeLittleUnmarked";
+        default:
+            return "UnicodeUnknown";
+        }
+    }
+
+    public int convert(char in[], int inOff, int inEnd,
+                       byte out[], int outOff, int outEnd)
+        throws ConversionBufferFullException, MalformedInputException
+    {
+        charOff = inOff;
+        byteOff = outOff;
+
+        if (inOff >= inEnd)
+            return 0;
+
+        int inI = inOff,
+            outI = outOff,
+            outTop = outEnd - 2;
+
+        if (usesMark && !markWritten) {
+            if (outI > outTop)
+                throw new ConversionBufferFullException();
+            if (byteOrder == BIG) {
+                out[outI++] = (byte) (BYTE_ORDER_MARK >> 8);
+                out[outI++] = (byte) (BYTE_ORDER_MARK & 0xff);
+            }
+            else {
+                out[outI++] = (byte) (BYTE_ORDER_MARK & 0xff);
+                out[outI++] = (byte) (BYTE_ORDER_MARK >> 8);
+            }
+            markWritten = true;
+        }
+
+        if (byteOrder == BIG) {
+            while (inI < inEnd) {
+                if (outI > outTop) {
+                    charOff = inI;
+                    byteOff = outI;
+                    throw new ConversionBufferFullException();
+                }
+                char c = in[inI++];
+                out[outI++] = (byte) (c >> 8);
+                out[outI++] = (byte) (c & 0xff);
+            }
+        }
+        else {
+            while (inI < inEnd) {
+                if (outI > outTop) {
+                    charOff = inI;
+                    byteOff = outI;
+                    throw new ConversionBufferFullException();
+                }
+                char c = in[inI++];
+                out[outI++] = (byte) (c & 0xff);
+                out[outI++] = (byte) (c >> 8);
+            }
+        }
+
+        charOff = inI;
+        byteOff = outI;
+        return outI - outOff;
+    }
+
+    public int flush(byte in[], int inOff, int inEnd) {
+        byteOff = charOff = 0;
+        return 0;
+    }
+
+    public void reset () {
+        byteOff = charOff = 0;
+        markWritten = false;
+    }
+
+    public int getMaxBytesPerChar() {
+        return 4;               /* To allow for writing the byte-order mark */
+    }
+
+}