--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.desktop/unix/classes/sun/font/X11KSC5601.java	Mon Apr 13 17:06:04 2015 -0700
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 1996, 2005, Oracle and/or its affiliates. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.font;
+
+import java.nio.CharBuffer;
+import java.nio.ByteBuffer;
+import java.nio.charset.*;
+import sun.nio.cs.*;
+import static sun.nio.cs.CharsetMapping.*;
+
+public class X11KSC5601 extends Charset {
+    public X11KSC5601 () {
+        super("X11KSC5601", null);
+    }
+    public CharsetEncoder newEncoder() {
+        return new Encoder(this);
+    }
+    public CharsetDecoder newDecoder() {
+        return new Decoder(this);
+    }
+
+    public boolean contains(Charset cs) {
+        return cs instanceof X11KSC5601;
+    }
+
+    private class Encoder extends CharsetEncoder {
+        private DoubleByte.Encoder enc = (DoubleByte.Encoder)new EUC_KR().newEncoder();
+
+        public Encoder(Charset cs) {
+            super(cs, 2.0f, 2.0f);
+        }
+
+        public boolean canEncode(char c) {
+            if (c <= 0x7F) {
+                return false;
+            }
+            return enc.canEncode(c);
+        }
+
+        protected int encodeDouble(char c) {
+            return enc.encodeChar(c);
+        }
+
+        protected CoderResult encodeLoop(CharBuffer src, ByteBuffer dst) {
+            char[] sa = src.array();
+            int sp = src.arrayOffset() + src.position();
+            int sl = src.arrayOffset() + src.limit();
+            byte[] da = dst.array();
+            int dp = dst.arrayOffset() + dst.position();
+            int dl = dst.arrayOffset() + dst.limit();
+
+            try {
+                while (sp < sl) {
+                    char c = sa[sp];
+                    if (c <= '\u007f')
+                        return CoderResult.unmappableForLength(1);
+                    int ncode = encodeDouble(c);
+                    if (ncode != 0 && c != '\u0000' ) {
+                        da[dp++] = (byte) ((ncode  >> 8) & 0x7f);
+                        da[dp++] = (byte) (ncode & 0x7f);
+                        sp++;
+                        continue;
+                    }
+                    return CoderResult.unmappableForLength(1);
+                }
+                return CoderResult.UNDERFLOW;
+            } finally {
+                src.position(sp - src.arrayOffset());
+                dst.position(dp - dst.arrayOffset());
+            }
+        }
+        public boolean isLegalReplacement(byte[] repl) {
+            return true;
+        }
+    }
+
+    private class Decoder extends  CharsetDecoder {
+        private DoubleByte.Decoder dec = (DoubleByte.Decoder)new EUC_KR().newDecoder();
+
+        public Decoder(Charset cs) {
+            super(cs, 0.5f, 1.0f);
+        }
+
+        protected char decodeDouble(int b1, int b2) {
+            return dec.decodeDouble(b1, b2);
+        }
+
+        protected CoderResult decodeLoop(ByteBuffer src, CharBuffer dst) {
+            byte[] sa = src.array();
+            int sp = src.arrayOffset() + src.position();
+            int sl = src.arrayOffset() + src.limit();
+            assert (sp <= sl);
+            sp = (sp <= sl ? sp : sl);
+            char[] da = dst.array();
+            int dp = dst.arrayOffset() + dst.position();
+            int dl = dst.arrayOffset() + dst.limit();
+            assert (dp <= dl);
+            dp = (dp <= dl ? dp : dl);
+
+
+            try {
+                while (sp < sl) {
+                    if ( sl - sp < 2) {
+                        return CoderResult.UNDERFLOW;
+                    }
+                    int b1 = sa[sp] & 0xFF | 0x80;
+                    int b2 = sa[sp + 1] & 0xFF | 0x80;
+                    char c = decodeDouble(b1, b2);
+                    if (c == UNMAPPABLE_DECODING) {
+                        return CoderResult.unmappableForLength(2);
+                    }
+                    if (dl - dp < 1)
+                        return CoderResult.OVERFLOW;
+                    da[dp++] = c;
+                    sp +=2;
+                }
+                return CoderResult.UNDERFLOW;
+            } finally {
+                src.position(sp - src.arrayOffset());
+                dst.position(dp - dst.arrayOffset());
+            }
+
+        }
+    }
+}