jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/util/ASCIIUtility.java@f50545b5e2f1

     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  */

    26 package com.sun.xml.internal.ws.util;

    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;

    34 /**

    35  * Copied from mail.jar.

    36  */

    37 public class ASCIIUtility {

    38     // Private constructor so that this class is not instantiated

    39     private ASCIIUtility() { }

    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");

    54         int result = 0;

    55         boolean negative = false;

    56         int i = start;

    57         int limit;

    58         int multmin;

    59         int digit;

    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     }

   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];

   118         for (int i = 0, j = start; i < size; )

   119             theChars[i++] = (char)(b[j++]&0xff);

   121         return new String(theChars);

   122     }

   124     public static byte[] getBytes(String s) {

   125         char [] chars= s.toCharArray();

   126         int size = chars.length;

   127         byte[] bytes = new byte[size];

   129         for (int i = 0; i < size;)

   130             bytes[i] = (byte) chars[i++];

   131         return bytes;

   132     }

   134     public static byte[] getBytes(InputStream is) throws IOException {

   135         ByteArrayBuffer bab = new ByteArrayBuffer();

   136         bab.write(is);

   137         return bab.toByteArray();

   138     }

   140     public static void copyStream(InputStream is, OutputStream out) throws IOException {

   141         int size = 1024;

   142         byte[] buf = new byte[size];

   143         int len;

   145         while ((len = is.read(buf, 0, size)) != -1)

   146             out.write(buf, 0, len);

   147     }

   148 }

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