--- a/jdk/src/share/classes/sun/nio/cs/ext/SJIS.java Thu Aug 02 15:37:22 2012 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,164 +0,0 @@
-/*
- * Copyright (c) 2002, 2010, 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.nio.cs.ext;
-
-import java.nio.ByteBuffer;
-import java.nio.CharBuffer;
-import java.nio.charset.Charset;
-import java.nio.charset.CharsetDecoder;
-import java.nio.charset.CharsetEncoder;
-import java.nio.charset.CoderResult;
-import sun.nio.cs.HistoricallyNamedCharset;
-
-public class SJIS
- extends Charset
- implements HistoricallyNamedCharset
-{
-
- public SJIS() {
- super("Shift_JIS", ExtendedCharsets.aliasesFor("Shift_JIS"));
- }
-
- public String historicalName() {
- return "SJIS";
- }
-
- public boolean contains(Charset cs) {
- return ((cs.name().equals("US-ASCII"))
- || (cs instanceof JIS_X_0201)
- || (cs instanceof SJIS)
- || (cs instanceof JIS_X_0208));
- }
-
- public CharsetDecoder newDecoder() {
- return new Decoder(this);
- }
-
- public CharsetEncoder newEncoder() {
-
- // Need to force the replacement byte to 0x3f
- // because JIS_X_0208_Encoder defines its own
- // alternative 2 byte substitution to permit it
- // to exist as a self-standing Encoder
-
- byte[] replacementBytes = { (byte)0x3f };
- return new Encoder(this).replaceWith(replacementBytes);
- }
-
- static class Decoder extends JIS_X_0208_Decoder
- implements DelegatableDecoder {
-
- JIS_X_0201.Decoder jis0201;
-
- protected Decoder(Charset cs) {
- super(cs);
- jis0201 = new JIS_X_0201.Decoder(cs);
- }
-
- protected char decodeSingle(int b) {
- // If the high bits are all off, it's ASCII == Unicode
- if ((b & 0xFF80) == 0) {
- return (char)b;
- }
- return jis0201.decode(b);
- }
-
- protected char decodeDouble(int c1, int c2) {
- int adjust = c2 < 0x9F ? 1 : 0;
- int rowOffset = c1 < 0xA0 ? 0x70 : 0xB0;
- int cellOffset = (adjust == 1) ? (c2 > 0x7F ? 0x20 : 0x1F) : 0x7E;
- int b1 = ((c1 - rowOffset) << 1) - adjust;
- int b2 = c2 - cellOffset;
- return super.decodeDouble(b1, b2);
- }
-
- // Make some protected methods public for use by JISAutoDetect
- public CoderResult decodeLoop(ByteBuffer src, CharBuffer dst) {
- return super.decodeLoop(src, dst);
- }
- public void implReset() {
- super.implReset();
- }
- public CoderResult implFlush(CharBuffer out) {
- return super.implFlush(out);
- }
- }
-
- static class Encoder extends JIS_X_0208_Encoder {
-
- private JIS_X_0201.Encoder jis0201;
-
- private static final short[] j0208Index1 =
- JIS_X_0208_Encoder.getIndex1();
- private static final String[] j0208Index2 =
- JIS_X_0208_Encoder.getIndex2();
-
- protected Encoder(Charset cs) {
- super(cs);
- jis0201 = new JIS_X_0201.Encoder(cs);
- }
-
- protected int encodeSingle(char inputChar) {
- byte b;
-
- // \u0000 - \u007F map straight through
- if ((inputChar & 0xFF80) == 0)
- return (byte)inputChar;
-
- if ((b = jis0201.encode(inputChar)) == 0)
- return -1;
- else
- return b;
- }
-
- protected int encodeDouble(char ch) {
- int offset = j0208Index1[ch >> 8] << 8;
- int pos = j0208Index2[offset >> 12].charAt((offset & 0xfff) + (ch & 0xff));
- if (pos == 0) {
- /* Zero value indicates this Unicode has no mapping to
- * JIS0208.
- * We bail here because the JIS -> SJIS algorithm produces
- * bogus SJIS values for invalid JIS input. Zero should be
- * the only invalid JIS value in our table.
- */
- return 0;
- }
- /*
- * This algorithm for converting from JIS to SJIS comes from
- * Ken Lunde's "Understanding Japanese Information Processing",
- * pg 163.
- */
- int c1 = (pos >> 8) & 0xff;
- int c2 = pos & 0xff;
- int rowOffset = c1 < 0x5F ? 0x70 : 0xB0;
- int cellOffset = (c1 % 2 == 1) ? (c2 > 0x5F ? 0x20 : 0x1F) : 0x7E;
- return ((((c1 + 1 ) >> 1) + rowOffset) << 8) | (c2 + cellOffset);
- }
- }
-}