Mercurial > jdk8-mips64-public > jaxws / annotate
src/share/classes/com/sun/codemodel/internal/util/SingleByteEncoder.java@42dfec6871f6 (annotated)
src/share/classes/com/sun/codemodel/internal/util/SingleByteEncoder.java
Mon, 04 May 2009 21:10:41 -0700
- author
- tbell
- date
- Mon, 04 May 2009 21:10:41 -0700
- changeset 50
- 42dfec6871f6
- parent 45
- 31822b475baa
- permissions
- -rw-r--r--
6658158: Mutable statics in SAAJ (findbugs)
6658163: txw2.DatatypeWriter.BUILDIN is a mutable static (findbugs)
Reviewed-by: darcy
| duke@1 | 1 | /* |
| tbell@45 | 2 | * Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved. |
| duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@1 | 4 | * |
| duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@1 | 7 | * published by the Free Software Foundation. Sun designates this |
| duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
| duke@1 | 9 | * by Sun in the LICENSE file that accompanied this code. |
| duke@1 | 10 | * |
| duke@1 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@1 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@1 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@1 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@1 | 15 | * accompanied this code). |
| duke@1 | 16 | * |
| duke@1 | 17 | * You should have received a copy of the GNU General Public License version |
| duke@1 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@1 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@1 | 20 | * |
| duke@1 | 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| duke@1 | 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| duke@1 | 23 | * have any questions. |
| duke@1 | 24 | */ |
| duke@1 | 25 | |
| tbell@45 | 26 | /* |
| tbell@50 | 27 | * @(#)SingleByteEncoder.java 1.14 03/01/23 |
| tbell@45 | 28 | */ |
| tbell@45 | 29 | |
| duke@1 | 30 | package com.sun.codemodel.internal.util; |
| duke@1 | 31 | |
| duke@1 | 32 | import java.nio.ByteBuffer; |
| duke@1 | 33 | import java.nio.CharBuffer; |
| duke@1 | 34 | import java.nio.charset.Charset; |
| duke@1 | 35 | import java.nio.charset.CharsetEncoder; |
| duke@1 | 36 | import java.nio.charset.CoderResult; |
| duke@1 | 37 | |
| duke@1 | 38 | import sun.nio.cs.Surrogate; |
| duke@1 | 39 | |
| duke@1 | 40 | |
| duke@1 | 41 | abstract class SingleByteEncoder |
| duke@1 | 42 | extends CharsetEncoder |
| duke@1 | 43 | { |
| duke@1 | 44 | |
| duke@1 | 45 | private final short index1[]; |
| duke@1 | 46 | private final String index2; |
| duke@1 | 47 | private final int mask1; |
| duke@1 | 48 | private final int mask2; |
| duke@1 | 49 | private final int shift; |
| duke@1 | 50 | |
| duke@1 | 51 | private final Surrogate.Parser sgp = new Surrogate.Parser(); |
| duke@1 | 52 | |
| duke@1 | 53 | protected SingleByteEncoder(Charset cs, |
| tbell@50 | 54 | short[] index1, String index2, |
| tbell@50 | 55 | int mask1, int mask2, int shift) |
| duke@1 | 56 | { |
| tbell@50 | 57 | super(cs, 1.0f, 1.0f); |
| tbell@50 | 58 | this.index1 = index1; |
| tbell@50 | 59 | this.index2 = index2; |
| tbell@50 | 60 | this.mask1 = mask1; |
| tbell@50 | 61 | this.mask2 = mask2; |
| tbell@50 | 62 | this.shift = shift; |
| duke@1 | 63 | } |
| duke@1 | 64 | |
| duke@1 | 65 | public boolean canEncode(char c) { |
| tbell@50 | 66 | char testEncode; |
| tbell@50 | 67 | testEncode = index2.charAt(index1[(c & mask1) >> shift] |
| tbell@50 | 68 | + (c & mask2)); |
| tbell@50 | 69 | if (testEncode == '\u0000') |
| tbell@50 | 70 | return false; |
| tbell@50 | 71 | else |
| tbell@50 | 72 | return true; |
| duke@1 | 73 | } |
| duke@1 | 74 | |
| duke@1 | 75 | private CoderResult encodeArrayLoop(CharBuffer src, ByteBuffer dst) { |
| tbell@50 | 76 | char[] sa = src.array(); |
| tbell@50 | 77 | int sp = src.arrayOffset() + src.position(); |
| tbell@50 | 78 | int sl = src.arrayOffset() + src.limit(); |
| tbell@50 | 79 | sp = (sp <= sl ? sp : sl); |
| tbell@50 | 80 | byte[] da = dst.array(); |
| tbell@50 | 81 | int dp = dst.arrayOffset() + dst.position(); |
| tbell@50 | 82 | int dl = dst.arrayOffset() + dst.limit(); |
| tbell@50 | 83 | dp = (dp <= dl ? dp : dl); |
| duke@1 | 84 | |
| tbell@50 | 85 | try { |
| tbell@50 | 86 | while (sp < sl) { |
| tbell@50 | 87 | char c = sa[sp]; |
| tbell@50 | 88 | if (Surrogate.is(c)) { |
| tbell@50 | 89 | if (sgp.parse(c, sa, sp, sl) < 0) |
| tbell@50 | 90 | return sgp.error(); |
| tbell@50 | 91 | return sgp.unmappableResult(); |
| tbell@50 | 92 | } |
| tbell@50 | 93 | if (c >= '\uFFFE') |
| tbell@50 | 94 | return CoderResult.unmappableForLength(1); |
| tbell@50 | 95 | if (dl - dp < 1) |
| tbell@50 | 96 | return CoderResult.OVERFLOW; |
| duke@1 | 97 | |
| tbell@50 | 98 | char e = index2.charAt(index1[(c & mask1) >> shift] |
| tbell@50 | 99 | + (c & mask2)); |
| duke@1 | 100 | |
| tbell@50 | 101 | // If output byte is zero because input char is zero |
| tbell@50 | 102 | // then character is mappable, o.w. fail |
| tbell@50 | 103 | if (e == '\u0000' && c != '\u0000') |
| tbell@50 | 104 | return CoderResult.unmappableForLength(1); |
| duke@1 | 105 | |
| tbell@50 | 106 | sp++; |
| tbell@50 | 107 | da[dp++] = (byte)e; |
| tbell@50 | 108 | } |
| tbell@50 | 109 | return CoderResult.UNDERFLOW; |
| tbell@50 | 110 | } finally { |
| tbell@50 | 111 | src.position(sp - src.arrayOffset()); |
| tbell@50 | 112 | dst.position(dp - dst.arrayOffset()); |
| tbell@50 | 113 | } |
| duke@1 | 114 | } |
| duke@1 | 115 | |
| duke@1 | 116 | private CoderResult encodeBufferLoop(CharBuffer src, ByteBuffer dst) { |
| tbell@50 | 117 | int mark = src.position(); |
| tbell@50 | 118 | try { |
| tbell@50 | 119 | while (src.hasRemaining()) { |
| tbell@50 | 120 | char c = src.get(); |
| tbell@50 | 121 | if (Surrogate.is(c)) { |
| tbell@50 | 122 | if (sgp.parse(c, src) < 0) |
| tbell@50 | 123 | return sgp.error(); |
| tbell@50 | 124 | return sgp.unmappableResult(); |
| tbell@50 | 125 | } |
| tbell@50 | 126 | if (c >= '\uFFFE') |
| tbell@50 | 127 | return CoderResult.unmappableForLength(1); |
| tbell@50 | 128 | if (!dst.hasRemaining()) |
| tbell@50 | 129 | return CoderResult.OVERFLOW; |
| duke@1 | 130 | |
| tbell@50 | 131 | char e = index2.charAt(index1[(c & mask1) >> shift] |
| tbell@50 | 132 | + (c & mask2)); |
| duke@1 | 133 | |
| tbell@50 | 134 | // If output byte is zero because input char is zero |
| tbell@50 | 135 | // then character is mappable, o.w. fail |
| tbell@50 | 136 | if (e == '\u0000' && c != '\u0000') |
| tbell@50 | 137 | return CoderResult.unmappableForLength(1); |
| duke@1 | 138 | |
| tbell@50 | 139 | mark++; |
| tbell@50 | 140 | dst.put((byte)e); |
| tbell@50 | 141 | } |
| tbell@50 | 142 | return CoderResult.UNDERFLOW; |
| tbell@50 | 143 | } finally { |
| tbell@50 | 144 | src.position(mark); |
| tbell@50 | 145 | } |
| duke@1 | 146 | } |
| duke@1 | 147 | |
| duke@1 | 148 | protected CoderResult encodeLoop(CharBuffer src, ByteBuffer dst) { |
| tbell@50 | 149 | if (true && src.hasArray() && dst.hasArray()) |
| tbell@50 | 150 | return encodeArrayLoop(src, dst); |
| tbell@50 | 151 | else |
| tbell@50 | 152 | return encodeBufferLoop(src, dst); |
| duke@1 | 153 | } |
| duke@1 | 154 | |
| duke@1 | 155 | public byte encode(char inputChar) { |
| tbell@50 | 156 | return (byte)index2.charAt(index1[(inputChar & mask1) >> shift] + |
| tbell@50 | 157 | (inputChar & mask2)); |
| duke@1 | 158 | } |
| duke@1 | 159 | } |
