| /* |
| * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.ws.util; |
| |
| import java.io.InputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| /** |
| * Copied from mail.jar. |
| */ |
| public class ASCIIUtility { |
| // Private constructor so that this class is not instantiated |
| private ASCIIUtility() { } |
| |
| |
| /** |
| * Convert the bytes within the specified range of the given byte |
| * array into a signed integer in the given radix . The range extends |
| * from <code>start</code> till, but not including <code>end</code>. <p> |
| * |
| * Based on java.lang.Integer.parseInt() |
| */ |
| public static int parseInt(byte[] b, int start, int end, int radix) |
| throws NumberFormatException { |
| if (b == null) |
| throw new NumberFormatException("null"); |
| |
| int result = 0; |
| boolean negative = false; |
| int i = start; |
| int limit; |
| int multmin; |
| int digit; |
| |
| if (end > start) { |
| if (b[i] == '-') { |
| negative = true; |
| limit = Integer.MIN_VALUE; |
| i++; |
| } else { |
| limit = -Integer.MAX_VALUE; |
| } |
| multmin = limit / radix; |
| if (i < end) { |
| digit = Character.digit((char)b[i++], radix); |
| if (digit < 0) { |
| throw new NumberFormatException( |
| "illegal number: " + toString(b, start, end) |
| ); |
| } else { |
| result = -digit; |
| } |
| } |
| while (i < end) { |
| // Accumulating negatively avoids surprises near MAX_VALUE |
| digit = Character.digit((char)b[i++], radix); |
| if (digit < 0) { |
| throw new NumberFormatException("illegal number"); |
| } |
| if (result < multmin) { |
| throw new NumberFormatException("illegal number"); |
| } |
| result *= radix; |
| if (result < limit + digit) { |
| throw new NumberFormatException("illegal number"); |
| } |
| result -= digit; |
| } |
| } else { |
| throw new NumberFormatException("illegal number"); |
| } |
| if (negative) { |
| if (i > start + 1) { |
| return result; |
| } else { /* Only got "-" */ |
| throw new NumberFormatException("illegal number"); |
| } |
| } else { |
| return -result; |
| } |
| } |
| |
| /** |
| * Convert the bytes within the specified range of the given byte |
| * array into a String. The range extends from <code>start</code> |
| * till, but not including <code>end</code>. <p> |
| */ |
| public static String toString(byte[] b, int start, int end) { |
| int size = end - start; |
| char[] theChars = new char[size]; |
| |
| for (int i = 0, j = start; i < size; ) |
| theChars[i++] = (char)(b[j++]&0xff); |
| |
| return new String(theChars); |
| } |
| |
| public static void copyStream(InputStream is, OutputStream out) throws IOException { |
| int size = 1024; |
| byte[] buf = new byte[size]; |
| int len; |
| |
| while ((len = is.read(buf, 0, size)) != -1) |
| out.write(buf, 0, len); |
| } |
| } |