1 /* 2 * Copyright (c) 2004, 2010, 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.charset.Charset; 29 import java.nio.charset.CharsetDecoder; 30 import java.nio.charset.CharsetEncoder; 31 import sun.nio.cs.DoubleByte; 32 import sun.nio.cs.HistoricallyNamedCharset; 33 import java.util.Arrays; 34 import static sun.nio.cs.CharsetMapping.*; 35 36 public class Big5_Solaris extends Charset implements HistoricallyNamedCharset 37 { 38 public Big5_Solaris() { 39 super("x-Big5-Solaris", $ALIASES$); 40 } 41 42 public String historicalName() { 43 return "Big5_Solaris"; 44 } 45 46 public boolean contains(Charset cs) { 47 return ((cs.name().equals("US-ASCII")) 48 || (cs instanceof Big5) 49 || (cs instanceof Big5_Solaris)); 50 } 51 52 public CharsetDecoder newDecoder() { 53 initb2c(); 54 return new DoubleByte.Decoder(this, b2c, b2cSB, 0x40, 0xfe, true); 55 } 56 57 public CharsetEncoder newEncoder() { 58 initc2b(); 59 return new DoubleByte.Encoder(this, c2b, c2bIndex, true); 60 } 61 62 static char[][] b2c; 63 static char[] b2cSB; 64 private static volatile boolean b2cInitialized = false; 65 66 static void initb2c() { 67 if (b2cInitialized) 68 return; 69 synchronized (Big5_Solaris.class) { 70 if (b2cInitialized) 71 return; 72 Big5.initb2c(); 73 b2c = Big5.b2c.clone(); 74 // Big5 Solaris implementation has 7 additional mappings 75 int[] sol = new int[] { 76 0xF9D6, 0x7881, 77 0xF9D7, 0x92B9, 78 0xF9D8, 0x88CF, 79 0xF9D9, 0x58BB, 80 0xF9DA, 0x6052, 81 0xF9DB, 0x7CA7, 82 0xF9DC, 0x5AFA }; 83 if (b2c[0xf9] == DoubleByte.B2C_UNMAPPABLE) { 84 b2c[0xf9] = new char[0xfe - 0x40 + 1]; 85 Arrays.fill(b2c[0xf9], UNMAPPABLE_DECODING); 86 } 87 88 for (int i = 0; i < sol.length;) { 89 b2c[0xf9][sol[i++] & 0xff - 0x40] = (char)sol[i++]; 90 } 91 b2cSB = Big5.b2cSB; 92 b2cInitialized = true; 93 } 94 } 95 96 static char[] c2b; 97 static char[] c2bIndex; 98 private static volatile boolean c2bInitialized = false; 99 100 static void initc2b() { 101 if (c2bInitialized) 102 return; 103 synchronized (Big5_Solaris.class) { 104 if (c2bInitialized) 105 return; 106 Big5.initc2b(); 107 c2b = Big5.c2b.clone(); 108 c2bIndex = Big5.c2bIndex.clone(); 109 int[] sol = new int[] { 110 0x7881, 0xF9D6, 111 0x92B9, 0xF9D7, 112 0x88CF, 0xF9D8, 113 0x58BB, 0xF9D9, 114 0x6052, 0xF9DA, 115 0x7CA7, 0xF9DB, 116 0x5AFA, 0xF9DC }; 117 118 for (int i = 0; i < sol.length;) { 119 int c = sol[i++]; 120 // no need to check c2bIndex[c >>8], we know it points 121 // to the appropriate place. 122 c2b[c2bIndex[c >> 8] + (c & 0xff)] = (char)sol[i++]; 123 } 124 c2bInitialized = true; 125 } 126 } 127 }