jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/util/ASCIIUtility.java@9c07ef4934dd

     1 /*

     2  * Copyright (c) 1997, 2012, 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.OutputStream;

    32 /**

    33  * Copied from mail.jar.

    34  */

    35 public class ASCIIUtility {

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

    37     private ASCIIUtility() { }

    40     /**

    41      * Convert the bytes within the specified range of the given byte

    42      * array into a signed integer in the given radix . The range extends

    43      * from <code>start</code> till, but not including <code>end</code>. <p>

    44      *

    45      * Based on java.lang.Integer.parseInt()

    46      */

    47     public static int parseInt(byte[] b, int start, int end, int radix)

    48         throws NumberFormatException {

    49         if (b == null)

    50             throw new NumberFormatException("null");

    52         int result = 0;

    53         boolean negative = false;

    54         int i = start;

    55         int limit;

    56         int multmin;

    57         int digit;

    59         if (end > start) {

    60             if (b[i] == '-') {

    61                 negative = true;

    62                 limit = Integer.MIN_VALUE;

    63                 i++;

    64             } else {

    65                 limit = -Integer.MAX_VALUE;

    66             }

    67             multmin = limit / radix;

    68             if (i < end) {

    69                 digit = Character.digit((char)b[i++], radix);

    70                 if (digit < 0) {

    71                     throw new NumberFormatException(

    72                     "illegal number: " + toString(b, start, end)

    73                     );

    74                 } else {

    75                     result = -digit;

    76                 }

    77             }

    78             while (i < end) {

    79                 // Accumulating negatively avoids surprises near MAX_VALUE

    80                 digit = Character.digit((char)b[i++], radix);

    81                 if (digit < 0) {

    82                     throw new NumberFormatException("illegal number");

    83                 }

    84                 if (result < multmin) {

    85                     throw new NumberFormatException("illegal number");

    86                 }

    87                 result *= radix;

    88                 if (result < limit + digit) {

    89                     throw new NumberFormatException("illegal number");

    90                 }

    91                 result -= digit;

    92             }

    93         } else {

    94             throw new NumberFormatException("illegal number");

    95         }

    96         if (negative) {

    97             if (i > start + 1) {

    98                 return result;

    99             } else {    /* Only got "-" */

   100                 throw new NumberFormatException("illegal number");

   101             }

   102         } else {

   103             return -result;

   104         }

   105     }

   107     /**

   108      * Convert the bytes within the specified range of the given byte

   109      * array into a String. The range extends from <code>start</code>

   110      * till, but not including <code>end</code>. <p>

   111      */

   112     public static String toString(byte[] b, int start, int end) {

   113         int size = end - start;

   114         char[] theChars = new char[size];

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

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

   119         return new String(theChars);

   120     }

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

   123         int size = 1024;

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

   125         int len;

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

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

   129     }

   130 }

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