src/share/jaxws_classes/com/sun/xml/internal/ws/util/ASCIIUtility.java

Fri, 14 Feb 2014 11:13:45 +0100

author
mkos
date
Fri, 14 Feb 2014 11:13:45 +0100
changeset 515
6cd506508147
parent 368
0989ad8c0860
child 637
9c07ef4934dd
permissions
-rw-r--r--

8026188: Enhance envelope factory
Summary: Avoiding caching data initialized via TCCL in static context; fix also reviewed by Alexander Fomin
Reviewed-by: ahgross, mgrebac, skoivu

ohair@286 1 /*
alanb@368 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
ohair@286 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286 4 *
ohair@286 5 * This code is free software; you can redistribute it and/or modify it
ohair@286 6 * under the terms of the GNU General Public License version 2 only, as
ohair@286 7 * published by the Free Software Foundation. Oracle designates this
ohair@286 8 * particular file as subject to the "Classpath" exception as provided
ohair@286 9 * by Oracle in the LICENSE file that accompanied this code.
ohair@286 10 *
ohair@286 11 * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ohair@286 14 * version 2 for more details (a copy is included in the LICENSE file that
ohair@286 15 * accompanied this code).
ohair@286 16 *
ohair@286 17 * You should have received a copy of the GNU General Public License version
ohair@286 18 * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286 20 *
ohair@286 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286 22 * or visit www.oracle.com if you need additional information or have any
ohair@286 23 * questions.
ohair@286 24 */
ohair@286 25
ohair@286 26 package com.sun.xml.internal.ws.util;
ohair@286 27
ohair@286 28 import java.io.InputStream;
ohair@286 29 import java.io.IOException;
ohair@286 30 import java.io.OutputStream;
ohair@286 31
ohair@286 32 /**
ohair@286 33 * Copied from mail.jar.
ohair@286 34 */
ohair@286 35 public class ASCIIUtility {
ohair@286 36 // Private constructor so that this class is not instantiated
ohair@286 37 private ASCIIUtility() { }
ohair@286 38
ohair@286 39
ohair@286 40 /**
ohair@286 41 * Convert the bytes within the specified range of the given byte
ohair@286 42 * array into a signed integer in the given radix . The range extends
ohair@286 43 * from <code>start</code> till, but not including <code>end</code>. <p>
ohair@286 44 *
ohair@286 45 * Based on java.lang.Integer.parseInt()
ohair@286 46 */
ohair@286 47 public static int parseInt(byte[] b, int start, int end, int radix)
ohair@286 48 throws NumberFormatException {
ohair@286 49 if (b == null)
ohair@286 50 throw new NumberFormatException("null");
ohair@286 51
ohair@286 52 int result = 0;
ohair@286 53 boolean negative = false;
ohair@286 54 int i = start;
ohair@286 55 int limit;
ohair@286 56 int multmin;
ohair@286 57 int digit;
ohair@286 58
ohair@286 59 if (end > start) {
ohair@286 60 if (b[i] == '-') {
ohair@286 61 negative = true;
ohair@286 62 limit = Integer.MIN_VALUE;
ohair@286 63 i++;
ohair@286 64 } else {
ohair@286 65 limit = -Integer.MAX_VALUE;
ohair@286 66 }
ohair@286 67 multmin = limit / radix;
ohair@286 68 if (i < end) {
ohair@286 69 digit = Character.digit((char)b[i++], radix);
ohair@286 70 if (digit < 0) {
ohair@286 71 throw new NumberFormatException(
ohair@286 72 "illegal number: " + toString(b, start, end)
ohair@286 73 );
ohair@286 74 } else {
ohair@286 75 result = -digit;
ohair@286 76 }
ohair@286 77 }
ohair@286 78 while (i < end) {
ohair@286 79 // Accumulating negatively avoids surprises near MAX_VALUE
ohair@286 80 digit = Character.digit((char)b[i++], radix);
ohair@286 81 if (digit < 0) {
ohair@286 82 throw new NumberFormatException("illegal number");
ohair@286 83 }
ohair@286 84 if (result < multmin) {
ohair@286 85 throw new NumberFormatException("illegal number");
ohair@286 86 }
ohair@286 87 result *= radix;
ohair@286 88 if (result < limit + digit) {
ohair@286 89 throw new NumberFormatException("illegal number");
ohair@286 90 }
ohair@286 91 result -= digit;
ohair@286 92 }
ohair@286 93 } else {
ohair@286 94 throw new NumberFormatException("illegal number");
ohair@286 95 }
ohair@286 96 if (negative) {
ohair@286 97 if (i > start + 1) {
ohair@286 98 return result;
ohair@286 99 } else { /* Only got "-" */
ohair@286 100 throw new NumberFormatException("illegal number");
ohair@286 101 }
ohair@286 102 } else {
ohair@286 103 return -result;
ohair@286 104 }
ohair@286 105 }
ohair@286 106
ohair@286 107 /**
ohair@286 108 * Convert the bytes within the specified range of the given byte
ohair@286 109 * array into a String. The range extends from <code>start</code>
ohair@286 110 * till, but not including <code>end</code>. <p>
ohair@286 111 */
ohair@286 112 public static String toString(byte[] b, int start, int end) {
ohair@286 113 int size = end - start;
ohair@286 114 char[] theChars = new char[size];
ohair@286 115
ohair@286 116 for (int i = 0, j = start; i < size; )
ohair@286 117 theChars[i++] = (char)(b[j++]&0xff);
ohair@286 118
ohair@286 119 return new String(theChars);
ohair@286 120 }
ohair@286 121
ohair@286 122 public static void copyStream(InputStream is, OutputStream out) throws IOException {
ohair@286 123 int size = 1024;
ohair@286 124 byte[] buf = new byte[size];
ohair@286 125 int len;
ohair@286 126
ohair@286 127 while ((len = is.read(buf, 0, size)) != -1)
ohair@286 128 out.write(buf, 0, len);
ohair@286 129 }
ohair@286 130 }

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