src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/packaging/mime/util/ASCIIUtility.java

Tue, 06 Mar 2012 16:09:35 -0800

author
ohair
date
Tue, 06 Mar 2012 16:09:35 -0800
changeset 286
f50545b5e2f1
child 368
0989ad8c0860
permissions
-rw-r--r--

7150322: Stop using drop source bundles in jaxws
Reviewed-by: darcy, ohrstrom

ohair@286 1 /*
ohair@286 2 * Copyright (c) 1997, 2010, 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 /*
ohair@286 27 * @(#)ASCIIUtility.java 1.9 02/03/27
ohair@286 28 */
ohair@286 29
ohair@286 30
ohair@286 31 package com.sun.xml.internal.messaging.saaj.packaging.mime.util;
ohair@286 32
ohair@286 33 import com.sun.xml.internal.messaging.saaj.util.ByteOutputStream;
ohair@286 34
ohair@286 35 import java.io.*;
ohair@286 36
ohair@286 37 public class ASCIIUtility {
ohair@286 38
ohair@286 39 // Private constructor so that this class is not instantiated
ohair@286 40 private ASCIIUtility() { }
ohair@286 41
ohair@286 42
ohair@286 43 /**
ohair@286 44 * Convert the bytes within the specified range of the given byte
ohair@286 45 * array into a signed integer in the given radix . The range extends
ohair@286 46 * from <code>start</code> till, but not including <code>end</code>. <p>
ohair@286 47 *
ohair@286 48 * Based on java.lang.Integer.parseInt()
ohair@286 49 */
ohair@286 50 public static int parseInt(byte[] b, int start, int end, int radix)
ohair@286 51 throws NumberFormatException {
ohair@286 52 if (b == null)
ohair@286 53 throw new NumberFormatException("null");
ohair@286 54
ohair@286 55 int result = 0;
ohair@286 56 boolean negative = false;
ohair@286 57 int i = start;
ohair@286 58 int limit;
ohair@286 59 int multmin;
ohair@286 60 int digit;
ohair@286 61
ohair@286 62 if (end > start) {
ohair@286 63 if (b[i] == '-') {
ohair@286 64 negative = true;
ohair@286 65 limit = Integer.MIN_VALUE;
ohair@286 66 i++;
ohair@286 67 } else {
ohair@286 68 limit = -Integer.MAX_VALUE;
ohair@286 69 }
ohair@286 70 multmin = limit / radix;
ohair@286 71 if (i < end) {
ohair@286 72 digit = Character.digit((char)b[i++], radix);
ohair@286 73 if (digit < 0) {
ohair@286 74 throw new NumberFormatException(
ohair@286 75 "illegal number: " + toString(b, start, end)
ohair@286 76 );
ohair@286 77 } else {
ohair@286 78 result = -digit;
ohair@286 79 }
ohair@286 80 }
ohair@286 81 while (i < end) {
ohair@286 82 // Accumulating negatively avoids surprises near MAX_VALUE
ohair@286 83 digit = Character.digit((char)b[i++], radix);
ohair@286 84 if (digit < 0) {
ohair@286 85 throw new NumberFormatException("illegal number");
ohair@286 86 }
ohair@286 87 if (result < multmin) {
ohair@286 88 throw new NumberFormatException("illegal number");
ohair@286 89 }
ohair@286 90 result *= radix;
ohair@286 91 if (result < limit + digit) {
ohair@286 92 throw new NumberFormatException("illegal number");
ohair@286 93 }
ohair@286 94 result -= digit;
ohair@286 95 }
ohair@286 96 } else {
ohair@286 97 throw new NumberFormatException("illegal number");
ohair@286 98 }
ohair@286 99 if (negative) {
ohair@286 100 if (i > start + 1) {
ohair@286 101 return result;
ohair@286 102 } else { /* Only got "-" */
ohair@286 103 throw new NumberFormatException("illegal number");
ohair@286 104 }
ohair@286 105 } else {
ohair@286 106 return -result;
ohair@286 107 }
ohair@286 108 }
ohair@286 109
ohair@286 110 /**
ohair@286 111 * Convert the bytes within the specified range of the given byte
ohair@286 112 * array into a String. The range extends from <code>start</code>
ohair@286 113 * till, but not including <code>end</code>. <p>
ohair@286 114 */
ohair@286 115 public static String toString(byte[] b, int start, int end) {
ohair@286 116 int size = end - start;
ohair@286 117 char[] theChars = new char[size];
ohair@286 118
ohair@286 119 for (int i = 0, j = start; i < size; )
ohair@286 120 theChars[i++] = (char)(b[j++]&0xff);
ohair@286 121
ohair@286 122 return new String(theChars);
ohair@286 123 }
ohair@286 124
ohair@286 125 public static byte[] getBytes(String s) {
ohair@286 126 char [] chars= s.toCharArray();
ohair@286 127 int size = chars.length;
ohair@286 128 byte[] bytes = new byte[size];
ohair@286 129
ohair@286 130 for (int i = 0; i < size;)
ohair@286 131 bytes[i] = (byte) chars[i++];
ohair@286 132 return bytes;
ohair@286 133 }
ohair@286 134
ohair@286 135 /**
ohair@286 136 *
ohair@286 137 * @deprecated
ohair@286 138 * this is an expensive operation that require an additional
ohair@286 139 * buffer reallocation just to get the array of an exact size.
ohair@286 140 * Unless you absolutely need the exact size array, don't use this.
ohair@286 141 * Use {@link ByteOutputStream} and {@link ByteOutputStream#write(InputStream)}.
ohair@286 142 */
ohair@286 143 public static byte[] getBytes(InputStream is) throws IOException {
ohair@286 144 ByteOutputStream bos = new ByteOutputStream();
ohair@286 145 try {
ohair@286 146 bos.write(is);
ohair@286 147 } finally {
ohair@286 148 is.close();
ohair@286 149 }
ohair@286 150 return bos.toByteArray();
ohair@286 151 }
ohair@286 152 }

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