Thu, 31 Aug 2017 15:18:52 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package com.sun.xml.internal.ws.util; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import java.io.InputStream; |
aoqi@0 | 29 | import java.io.IOException; |
aoqi@0 | 30 | import java.io.OutputStream; |
aoqi@0 | 31 | |
aoqi@0 | 32 | /** |
aoqi@0 | 33 | * Copied from mail.jar. |
aoqi@0 | 34 | */ |
aoqi@0 | 35 | public class ASCIIUtility { |
aoqi@0 | 36 | // Private constructor so that this class is not instantiated |
aoqi@0 | 37 | private ASCIIUtility() { } |
aoqi@0 | 38 | |
aoqi@0 | 39 | |
aoqi@0 | 40 | /** |
aoqi@0 | 41 | * Convert the bytes within the specified range of the given byte |
aoqi@0 | 42 | * array into a signed integer in the given radix . The range extends |
aoqi@0 | 43 | * from <code>start</code> till, but not including <code>end</code>. <p> |
aoqi@0 | 44 | * |
aoqi@0 | 45 | * Based on java.lang.Integer.parseInt() |
aoqi@0 | 46 | */ |
aoqi@0 | 47 | public static int parseInt(byte[] b, int start, int end, int radix) |
aoqi@0 | 48 | throws NumberFormatException { |
aoqi@0 | 49 | if (b == null) |
aoqi@0 | 50 | throw new NumberFormatException("null"); |
aoqi@0 | 51 | |
aoqi@0 | 52 | int result = 0; |
aoqi@0 | 53 | boolean negative = false; |
aoqi@0 | 54 | int i = start; |
aoqi@0 | 55 | int limit; |
aoqi@0 | 56 | int multmin; |
aoqi@0 | 57 | int digit; |
aoqi@0 | 58 | |
aoqi@0 | 59 | if (end > start) { |
aoqi@0 | 60 | if (b[i] == '-') { |
aoqi@0 | 61 | negative = true; |
aoqi@0 | 62 | limit = Integer.MIN_VALUE; |
aoqi@0 | 63 | i++; |
aoqi@0 | 64 | } else { |
aoqi@0 | 65 | limit = -Integer.MAX_VALUE; |
aoqi@0 | 66 | } |
aoqi@0 | 67 | multmin = limit / radix; |
aoqi@0 | 68 | if (i < end) { |
aoqi@0 | 69 | digit = Character.digit((char)b[i++], radix); |
aoqi@0 | 70 | if (digit < 0) { |
aoqi@0 | 71 | throw new NumberFormatException( |
aoqi@0 | 72 | "illegal number: " + toString(b, start, end) |
aoqi@0 | 73 | ); |
aoqi@0 | 74 | } else { |
aoqi@0 | 75 | result = -digit; |
aoqi@0 | 76 | } |
aoqi@0 | 77 | } |
aoqi@0 | 78 | while (i < end) { |
aoqi@0 | 79 | // Accumulating negatively avoids surprises near MAX_VALUE |
aoqi@0 | 80 | digit = Character.digit((char)b[i++], radix); |
aoqi@0 | 81 | if (digit < 0) { |
aoqi@0 | 82 | throw new NumberFormatException("illegal number"); |
aoqi@0 | 83 | } |
aoqi@0 | 84 | if (result < multmin) { |
aoqi@0 | 85 | throw new NumberFormatException("illegal number"); |
aoqi@0 | 86 | } |
aoqi@0 | 87 | result *= radix; |
aoqi@0 | 88 | if (result < limit + digit) { |
aoqi@0 | 89 | throw new NumberFormatException("illegal number"); |
aoqi@0 | 90 | } |
aoqi@0 | 91 | result -= digit; |
aoqi@0 | 92 | } |
aoqi@0 | 93 | } else { |
aoqi@0 | 94 | throw new NumberFormatException("illegal number"); |
aoqi@0 | 95 | } |
aoqi@0 | 96 | if (negative) { |
aoqi@0 | 97 | if (i > start + 1) { |
aoqi@0 | 98 | return result; |
aoqi@0 | 99 | } else { /* Only got "-" */ |
aoqi@0 | 100 | throw new NumberFormatException("illegal number"); |
aoqi@0 | 101 | } |
aoqi@0 | 102 | } else { |
aoqi@0 | 103 | return -result; |
aoqi@0 | 104 | } |
aoqi@0 | 105 | } |
aoqi@0 | 106 | |
aoqi@0 | 107 | /** |
aoqi@0 | 108 | * Convert the bytes within the specified range of the given byte |
aoqi@0 | 109 | * array into a String. The range extends from <code>start</code> |
aoqi@0 | 110 | * till, but not including <code>end</code>. <p> |
aoqi@0 | 111 | */ |
aoqi@0 | 112 | public static String toString(byte[] b, int start, int end) { |
aoqi@0 | 113 | int size = end - start; |
aoqi@0 | 114 | char[] theChars = new char[size]; |
aoqi@0 | 115 | |
aoqi@0 | 116 | for (int i = 0, j = start; i < size; ) |
aoqi@0 | 117 | theChars[i++] = (char)(b[j++]&0xff); |
aoqi@0 | 118 | |
aoqi@0 | 119 | return new String(theChars); |
aoqi@0 | 120 | } |
aoqi@0 | 121 | |
aoqi@0 | 122 | public static void copyStream(InputStream is, OutputStream out) throws IOException { |
aoqi@0 | 123 | int size = 1024; |
aoqi@0 | 124 | byte[] buf = new byte[size]; |
aoqi@0 | 125 | int len; |
aoqi@0 | 126 | |
aoqi@0 | 127 | while ((len = is.read(buf, 0, size)) != -1) |
aoqi@0 | 128 | out.write(buf, 0, len); |
aoqi@0 | 129 | } |
aoqi@0 | 130 | } |