Mercurial > jdk8-mips64-public > jaxws / file comparison

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

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

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1 /*
2 * Copyright (c) 1997, 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 com.sun.xml.internal.ws.util;
27
28 import java.io.InputStream;
29 import java.io.IOException;
30 import java.io.ByteArrayInputStream;
31 import java.io.ByteArrayOutputStream;
32 import java.io.OutputStream;
33
34 /**
35 * Copied from mail.jar.
36 */
37 public class ASCIIUtility {
38 // Private constructor so that this class is not instantiated
39 private ASCIIUtility() { }
40
41
42 /**
43 * Convert the bytes within the specified range of the given byte
44 * array into a signed integer in the given radix . The range extends
45 * from <code>start</code> till, but not including <code>end</code>. <p>
46 *
47 * Based on java.lang.Integer.parseInt()
48 */
49 public static int parseInt(byte[] b, int start, int end, int radix)
50 throws NumberFormatException {
51 if (b == null)
52 throw new NumberFormatException("null");
53
54 int result = 0;
55 boolean negative = false;
56 int i = start;
57 int limit;
58 int multmin;
59 int digit;
60
61 if (end > start) {
62 if (b[i] == '-') {
63 negative = true;
64 limit = Integer.MIN_VALUE;
65 i++;
66 } else {
67 limit = -Integer.MAX_VALUE;
68 }
69 multmin = limit / radix;
70 if (i < end) {
71 digit = Character.digit((char)b[i++], radix);
72 if (digit < 0) {
73 throw new NumberFormatException(
74 "illegal number: " + toString(b, start, end)
75 );
76 } else {
77 result = -digit;
78 }
79 }
80 while (i < end) {
81 // Accumulating negatively avoids surprises near MAX_VALUE
82 digit = Character.digit((char)b[i++], radix);
83 if (digit < 0) {
84 throw new NumberFormatException("illegal number");
85 }
86 if (result < multmin) {
87 throw new NumberFormatException("illegal number");
88 }
89 result *= radix;
90 if (result < limit + digit) {
91 throw new NumberFormatException("illegal number");
92 }
93 result -= digit;
94 }
95 } else {
96 throw new NumberFormatException("illegal number");
97 }
98 if (negative) {
99 if (i > start + 1) {
100 return result;
101 } else { /* Only got "-" */
102 throw new NumberFormatException("illegal number");
103 }
104 } else {
105 return -result;
106 }
107 }
108
109 /**
110 * Convert the bytes within the specified range of the given byte
111 * array into a String. The range extends from <code>start</code>
112 * till, but not including <code>end</code>. <p>
113 */
114 public static String toString(byte[] b, int start, int end) {
115 int size = end - start;
116 char[] theChars = new char[size];
117
118 for (int i = 0, j = start; i < size; )
119 theChars[i++] = (char)(b[j++]&0xff);
120
121 return new String(theChars);
122 }
123
124 public static byte[] getBytes(String s) {
125 char [] chars= s.toCharArray();
126 int size = chars.length;
127 byte[] bytes = new byte[size];
128
129 for (int i = 0; i < size;)
130 bytes[i] = (byte) chars[i++];
131 return bytes;
132 }
133
134 public static byte[] getBytes(InputStream is) throws IOException {
135 ByteArrayBuffer bab = new ByteArrayBuffer();
136 bab.write(is);
137 return bab.toByteArray();
138 }
139
140 public static void copyStream(InputStream is, OutputStream out) throws IOException {
141 int size = 1024;
142 byte[] buf = new byte[size];
143 int len;
144
145 while ((len = is.read(buf, 0, size)) != -1)
146 out.write(buf, 0, len);
147 }
148 }

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