1 /* 2 * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package $PACKAGE$; 27 28 import java.nio.ByteBuffer; 29 import java.nio.CharBuffer; 30 import java.nio.charset.Charset; 31 import java.nio.charset.CharsetDecoder; 32 import java.nio.charset.CharsetEncoder; 33 import java.nio.charset.CoderResult; 34 import sun.nio.cs.DoubleByte; 35 import sun.nio.cs.HistoricallyNamedCharset; 36 import sun.nio.cs.*; 37 import static sun.nio.cs.CharsetMapping.*; 38 39 public class EUC_JP_Open 40 extends Charset 41 implements HistoricallyNamedCharset 42 { 43 public EUC_JP_Open() { 44 super("x-eucJP-Open", $ALIASES$); 45 } 46 47 public String historicalName() { 48 return "EUC_JP_Solaris"; 49 } 50 51 public boolean contains(Charset cs) { 52 return ((cs.name().equals("US-ASCII")) 53 || (cs instanceof JIS_X_0201) 54 || (cs instanceof EUC_JP)); 55 } 56 57 public CharsetDecoder newDecoder() { 58 return new Decoder(this); 59 } 60 61 public CharsetEncoder newEncoder() { 62 return new Encoder(this); 63 } 64 65 private static class Decoder extends EUC_JP.Decoder { 66 private static DoubleByte.Decoder DEC0208_Solaris = 67 (DoubleByte.Decoder)new JIS_X_0208_Solaris().newDecoder(); 68 private static DoubleByte.Decoder DEC0212_Solaris = 69 (DoubleByte.Decoder)new JIS_X_0212_Solaris().newDecoder(); 70 71 private Decoder(Charset cs) { 72 // JIS_X_0208_Solaris only has the "extra" mappings, it 73 // does not have the JIS_X_0208 entries 74 super(cs, 0.5f, 1.0f, DEC0201, DEC0208, DEC0212_Solaris); 75 } 76 77 protected char decodeDouble(int byte1, int byte2) { 78 char c = super.decodeDouble(byte1, byte2); 79 if (c == UNMAPPABLE_DECODING) 80 return DEC0208_Solaris.decodeDouble(byte1 - 0x80, byte2 - 0x80); 81 return c; 82 } 83 } 84 85 private static class Encoder extends EUC_JP.Encoder { 86 private static DoubleByte.Encoder ENC0208_Solaris = 87 (DoubleByte.Encoder)new JIS_X_0208_Solaris().newEncoder(); 88 89 private static DoubleByte.Encoder ENC0212_Solaris = 90 (DoubleByte.Encoder)new JIS_X_0212_Solaris().newEncoder(); 91 92 private Encoder(Charset cs) { 93 // The EUC_JP_Open has some interesting tweak for the 94 // encoding, so can't just pass the euc0208_solaris to 95 // the euc_jp. Have to override the encodeDouble() as 96 // showed below (mapping testing catches this). 97 // super(cs, 3.0f, 3.0f, ENC0201, ENC0208_Solaris, ENC0212_Solaris); 98 super(cs); 99 } 100 101 protected int encodeDouble(char ch) { 102 int b = super.encodeDouble(ch); 103 if (b != UNMAPPABLE_ENCODING) 104 return b; 105 b = ENC0208_Solaris.encodeChar(ch); 106 if (b != UNMAPPABLE_ENCODING && b > 0x7500) { 107 return 0x8F8080 + ENC0212_Solaris.encodeChar(ch); 108 } 109 return b == UNMAPPABLE_ENCODING ? b : b + 0x8080; 110 111 } 112 } 113 }