util.java

MilyQQ是一个使用控制台的QQ客户端,基于LumaQQ的核心JQL包开发,只有一个可执行的jar包(MilyQQ.jar),携带方便,由于是Java程序,因此理论上应该可以运行于所有平台,不过基于

/*
* LumaQQ - Java QQ Client
*
* Copyright (C) 2004 luma <[e-mail]>
*                    notXX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.Random;
import java.util.StringTokenizer;
import java.security.MessageDigest;



/**
 * 工具类，提供一些方便的方法，有些主要是用于调试用途，有些不是
 *
 * @author luma
 * @author notXX
 */
public class Util {
    // Log
    //private static Log log = LogFactory.getLog(Util.class);
    // 随机类
    private static Random random;
    // byte buffer
    private static ByteArrayOutputStream baos = new ByteArrayOutputStream();
    // string buffer
    private static StringBuilder sb = new StringBuilder();
	
	// 16进制字符数组
    private static char[] hex = new char[] {
            '0', '1', '2', '3', '4', '5', '6', '7',
            '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
    };
    /** Character flags. */
    private static final byte[] CHARS = new byte[1 << 16];

    /** Valid character mask. */
    public static final int MASK_VALID = 0x01;

    static {
        // Initializing the Character Flag Array
        CHARS[9] = 35;
        CHARS[10] = 19;
        CHARS[13] = 19;
        CHARS[32] = 51;
        CHARS[33] = 49;
        CHARS[34] = 33;
        Arrays.fill(CHARS, 35, 38, (byte) 49 ); // Fill 3 of value (byte) 49
        CHARS[38] = 1;
        Arrays.fill(CHARS, 39, 45, (byte) 49 ); // Fill 6 of value (byte) 49
        Arrays.fill(CHARS, 45, 47, (byte) -71 ); // Fill 2 of value (byte) -71
        CHARS[47] = 49;
        Arrays.fill(CHARS, 48, 58, (byte) -71 ); // Fill 10 of value (byte) -71
        CHARS[58] = 61;
        CHARS[59] = 49;
        CHARS[60] = 1;
        CHARS[61] = 49;
        CHARS[62] = 33;
        Arrays.fill(CHARS, 63, 65, (byte) 49 ); // Fill 2 of value (byte) 49
        Arrays.fill(CHARS, 65, 91, (byte) -3 ); // Fill 26 of value (byte) -3
        Arrays.fill(CHARS, 91, 93, (byte) 33 ); // Fill 2 of value (byte) 33
        CHARS[93] = 1;
        CHARS[94] = 33;
        CHARS[95] = -3;
        CHARS[96] = 33;
        Arrays.fill(CHARS, 97, 123, (byte) -3 ); // Fill 26 of value (byte) -3
        Arrays.fill(CHARS, 123, 183, (byte) 33 ); // Fill 60 of value (byte) 33
        CHARS[183] = -87;
        Arrays.fill(CHARS, 184, 192, (byte) 33 ); // Fill 8 of value (byte) 33
        Arrays.fill(CHARS, 192, 215, (byte) -19 ); // Fill 23 of value (byte) -19
        CHARS[215] = 33;
        Arrays.fill(CHARS, 216, 247, (byte) -19 ); // Fill 31 of value (byte) -19
        CHARS[247] = 33;
        Arrays.fill(CHARS, 248, 306, (byte) -19 ); // Fill 58 of value (byte) -19
        Arrays.fill(CHARS, 306, 308, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 308, 319, (byte) -19 ); // Fill 11 of value (byte) -19
        Arrays.fill(CHARS, 319, 321, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 321, 329, (byte) -19 ); // Fill 8 of value (byte) -19
        CHARS[329] = 33;
        Arrays.fill(CHARS, 330, 383, (byte) -19 ); // Fill 53 of value (byte) -19
        CHARS[383] = 33;
        Arrays.fill(CHARS, 384, 452, (byte) -19 ); // Fill 68 of value (byte) -19
        Arrays.fill(CHARS, 452, 461, (byte) 33 ); // Fill 9 of value (byte) 33
        Arrays.fill(CHARS, 461, 497, (byte) -19 ); // Fill 36 of value (byte) -19
        Arrays.fill(CHARS, 497, 500, (byte) 33 ); // Fill 3 of value (byte) 33
        Arrays.fill(CHARS, 500, 502, (byte) -19 ); // Fill 2 of value (byte) -19
        Arrays.fill(CHARS, 502, 506, (byte) 33 ); // Fill 4 of value (byte) 33
        Arrays.fill(CHARS, 506, 536, (byte) -19 ); // Fill 30 of value (byte) -19
        Arrays.fill(CHARS, 536, 592, (byte) 33 ); // Fill 56 of value (byte) 33
        Arrays.fill(CHARS, 592, 681, (byte) -19 ); // Fill 89 of value (byte) -19
        Arrays.fill(CHARS, 681, 699, (byte) 33 ); // Fill 18 of value (byte) 33
        Arrays.fill(CHARS, 699, 706, (byte) -19 ); // Fill 7 of value (byte) -19
        Arrays.fill(CHARS, 706, 720, (byte) 33 ); // Fill 14 of value (byte) 33
        Arrays.fill(CHARS, 720, 722, (byte) -87 ); // Fill 2 of value (byte) -87
        Arrays.fill(CHARS, 722, 768, (byte) 33 ); // Fill 46 of value (byte) 33
        Arrays.fill(CHARS, 768, 838, (byte) -87 ); // Fill 70 of value (byte) -87
        Arrays.fill(CHARS, 838, 864, (byte) 33 ); // Fill 26 of value (byte) 33
        Arrays.fill(CHARS, 864, 866, (byte) -87 ); // Fill 2 of value (byte) -87
        Arrays.fill(CHARS, 866, 902, (byte) 33 ); // Fill 36 of value (byte) 33
        CHARS[902] = -19;
        CHARS[903] = -87;
        Arrays.fill(CHARS, 904, 907, (byte) -19 ); // Fill 3 of value (byte) -19
        CHARS[907] = 33;
        CHARS[908] = -19;
        CHARS[909] = 33;
        Arrays.fill(CHARS, 910, 930, (byte) -19 ); // Fill 20 of value (byte) -19
        CHARS[930] = 33;
        Arrays.fill(CHARS, 931, 975, (byte) -19 ); // Fill 44 of value (byte) -19
        CHARS[975] = 33;
        Arrays.fill(CHARS, 976, 983, (byte) -19 ); // Fill 7 of value (byte) -19
        Arrays.fill(CHARS, 983, 986, (byte) 33 ); // Fill 3 of value (byte) 33
        CHARS[986] = -19;
        CHARS[987] = 33;
        CHARS[988] = -19;
        CHARS[989] = 33;
        CHARS[990] = -19;
        CHARS[991] = 33;
        CHARS[992] = -19;
        CHARS[993] = 33;
        Arrays.fill(CHARS, 994, 1012, (byte) -19 ); // Fill 18 of value (byte) -19
        Arrays.fill(CHARS, 1012, 1025, (byte) 33 ); // Fill 13 of value (byte) 33
        Arrays.fill(CHARS, 1025, 1037, (byte) -19 ); // Fill 12 of value (byte) -19
        CHARS[1037] = 33;
        Arrays.fill(CHARS, 1038, 1104, (byte) -19 ); // Fill 66 of value (byte) -19
        CHARS[1104] = 33;
        Arrays.fill(CHARS, 1105, 1117, (byte) -19 ); // Fill 12 of value (byte) -19
        CHARS[1117] = 33;
        Arrays.fill(CHARS, 1118, 1154, (byte) -19 ); // Fill 36 of value (byte) -19
        CHARS[1154] = 33;
        Arrays.fill(CHARS, 1155, 1159, (byte) -87 ); // Fill 4 of value (byte) -87
        Arrays.fill(CHARS, 1159, 1168, (byte) 33 ); // Fill 9 of value (byte) 33
        Arrays.fill(CHARS, 1168, 1221, (byte) -19 ); // Fill 53 of value (byte) -19
        Arrays.fill(CHARS, 1221, 1223, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 1223, 1225, (byte) -19 ); // Fill 2 of value (byte) -19
        Arrays.fill(CHARS, 1225, 1227, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 1227, 1229, (byte) -19 ); // Fill 2 of value (byte) -19
        Arrays.fill(CHARS, 1229, 1232, (byte) 33 ); // Fill 3 of value (byte) 33
        Arrays.fill(CHARS, 1232, 1260, (byte) -19 ); // Fill 28 of value (byte) -19
        Arrays.fill(CHARS, 1260, 1262, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 1262, 1270, (byte) -19 ); // Fill 8 of value (byte) -19
        Arrays.fill(CHARS, 1270, 1272, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 1272, 1274, (byte) -19 ); // Fill 2 of value (byte) -19
        Arrays.fill(CHARS, 1274, 1329, (byte) 33 ); // Fill 55 of value (byte) 33
        Arrays.fill(CHARS, 1329, 1367, (byte) -19 ); // Fill 38 of value (byte) -19
        Arrays.fill(CHARS, 1367, 1369, (byte) 33 ); // Fill 2 of value (byte) 33
        CHARS[1369] = -19;
        Arrays.fill(CHARS, 1370, 1377, (byte) 33 ); // Fill 7 of value (byte) 33
        Arrays.fill(CHARS, 1377, 1415, (byte) -19 ); // Fill 38 of value (byte) -19
        Arrays.fill(CHARS, 1415, 1425, (byte) 33 ); // Fill 10 of value (byte) 33
        Arrays.fill(CHARS, 1425, 1442, (byte) -87 ); // Fill 17 of value (byte) -87
        CHARS[1442] = 33;
        Arrays.fill(CHARS, 1443, 1466, (byte) -87 ); // Fill 23 of value (byte) -87
        CHARS[1466] = 33;
        Arrays.fill(CHARS, 1467, 1470, (byte) -87 ); // Fill 3 of value (byte) -87
        CHARS[1470] = 33;
        CHARS[1471] = -87;
        CHARS[1472] = 33;
        Arrays.fill(CHARS, 1473, 1475, (byte) -87 ); // Fill 2 of value (byte) -87
        CHARS[1475] = 33;
        CHARS[1476] = -87;
        Arrays.fill(CHARS, 1477, 1488, (byte) 33 ); // Fill 11 of value (byte) 33
        Arrays.fill(CHARS, 1488, 1515, (byte) -19 ); // Fill 27 of value (byte) -19
        Arrays.fill(CHARS, 1515, 1520, (byte) 33 ); // Fill 5 of value (byte) 33
        Arrays.fill(CHARS, 1520, 1523, (byte) -19 ); // Fill 3 of value (byte) -19
        Arrays.fill(CHARS, 1523, 1569, (byte) 33 ); // Fill 46 of value (byte) 33
        Arrays.fill(CHARS, 1569, 1595, (byte) -19 ); // Fill 26 of value (byte) -19
        Arrays.fill(CHARS, 1595, 1600, (byte) 33 ); // Fill 5 of value (byte) 33
        CHARS[1600] = -87;
        Arrays.fill(CHARS, 1601, 1611, (byte) -19 ); // Fill 10 of value (byte) -19
        Arrays.fill(CHARS, 1611, 1619, (byte) -87 ); // Fill 8 of value (byte) -87
        Arrays.fill(CHARS, 1619, 1632, (byte) 33 ); // Fill 13 of value (byte) 33
        Arrays.fill(CHARS, 1632, 1642, (byte) -87 ); // Fill 10 of value (byte) -87
        Arrays.fill(CHARS, 1642, 1648, (byte) 33 ); // Fill 6 of value (byte) 33
        CHARS[1648] = -87;
        Arrays.fill(CHARS, 1649, 1720, (byte) -19 ); // Fill 71 of value (byte) -19
        Arrays.fill(CHARS, 1720, 1722, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 1722, 1727, (byte) -19 ); // Fill 5 of value (byte) -19
        CHARS[1727] = 33;
        Arrays.fill(CHARS, 1728, 1743, (byte) -19 ); // Fill 15 of value (byte) -19
        CHARS[1743] = 33;
        Arrays.fill(CHARS, 1744, 1748, (byte) -19 ); // Fill 4 of value (byte) -19
        CHARS[1748] = 33;
        CHARS[1749] = -19;
        Arrays.fill(CHARS, 1750, 1765, (byte) -87 ); // Fill 15 of value (byte) -87
        Arrays.fill(CHARS, 1765, 1767, (byte) -19 ); // Fill 2 of value (byte) -19
        Arrays.fill(CHARS, 1767, 1769, (byte) -87 ); // Fill 2 of value (byte) -87
        CHARS[1769] = 33;
        Arrays.fill(CHARS, 1770, 1774, (byte) -87 ); // Fill 4 of value (byte) -87
        Arrays.fill(CHARS, 1774, 1776, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 1776, 1786, (byte) -87 ); // Fill 10 of value (byte) -87
        Arrays.fill(CHARS, 1786, 2305, (byte) 33 ); // Fill 519 of value (byte) 33
        Arrays.fill(CHARS, 2305, 2308, (byte) -87 ); // Fill 3 of value (byte) -87
        CHARS[2308] = 33;
        Arrays.fill(CHARS, 2309, 2362, (byte) -19 ); // Fill 53 of value (byte) -19
        Arrays.fill(CHARS, 2362, 2364, (byte) 33 ); // Fill 2 of value (byte) 33
        CHARS[2364] = -87;
        CHARS[2365] = -19;
        Arrays.fill(CHARS, 2366, 2382, (byte) -87 ); // Fill 16 of value (byte) -87
        Arrays.fill(CHARS, 2382, 2385, (byte) 33 ); // Fill 3 of value (byte) 33
        Arrays.fill(CHARS, 2385, 2389, (byte) -87 ); // Fill 4 of value (byte) -87
        Arrays.fill(CHARS, 2389, 2392, (byte) 33 ); // Fill 3 of value (byte) 33
        Arrays.fill(CHARS, 2392, 2402, (byte) -19 ); // Fill 10 of value (byte) -19
        Arrays.fill(CHARS, 2402, 2404, (byte) -87 ); // Fill 2 of value (byte) -87
        Arrays.fill(CHARS, 2404, 2406, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 2406, 2416, (byte) -87 ); // Fill 10 of value (byte) -87
        Arrays.fill(CHARS, 2416, 2433, (byte) 33 ); // Fill 17 of value (byte) 33
        Arrays.fill(CHARS, 2433, 2436, (byte) -87 ); // Fill 3 of value (byte) -87
        CHARS[2436] = 33;
        Arrays.fill(CHARS, 2437, 2445, (byte) -19 ); // Fill 8 of value (byte) -19
        Arrays.fill(CHARS, 2445, 2447, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 2447, 2449, (byte) -19 ); // Fill 2 of value (byte) -19
        Arrays.fill(CHARS, 2449, 2451, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 2451, 2473, (byte) -19 ); // Fill 22 of value (byte) -19
        CHARS[2473] = 33;
        Arrays.fill(CHARS, 2474, 2481, (byte) -19 ); // Fill 7 of value (byte) -19
        CHARS[2481] = 33;
        CHARS[2482] = -19;
        Arrays.fill(CHARS, 2483, 2486, (byte) 33 ); // Fill 3 of value (byte) 33
        Arrays.fill(CHARS, 2486, 2490, (byte) -19 ); // Fill 4 of value (byte) -19
        Arrays.fill(CHARS, 2490, 2492, (byte) 33 ); // Fill 2 of value (byte) 33
        CHARS[2492] = -87;
        CHARS[2493] = 33;
        Arrays.fill(CHARS, 2494, 2501, (byte) -87 ); // Fill 7 of value (byte) -87
        Arrays.fill(CHARS, 2501, 2503, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 2503, 2505, (byte) -87 ); // Fill 2 of value (byte) -87
        Arrays.fill(CHARS, 2505, 2507, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 2507, 2510, (byte) -87 ); // Fill 3 of value (byte) -87
        Arrays.fill(CHARS, 2510, 2519, (byte) 33 ); // Fill 9 of value (byte) 33
        CHARS[2519] = -87;
        Arrays.fill(CHARS, 2520, 2524, (byte) 33 ); // Fill 4 of value (byte) 33
        Arrays.fill(CHARS, 2524, 2526, (byte) -19 ); // Fill 2 of value (byte) -19
        CHARS[2526] = 33;
        Arrays.fill(CHARS, 2527, 2530, (byte) -19 ); // Fill 3 of value (byte) -19
        Arrays.fill(CHARS, 2530, 2532, (byte) -87 ); // Fill 2 of value (byte) -87
        Arrays.fill(CHARS, 2532, 2534, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 2534, 2544, (byte) -87 ); // Fill 10 of value (byte) -87
        Arrays.fill(CHARS, 2544, 2546, (byte) -19 ); // Fill 2 of value (byte) -19
        Arrays.fill(CHARS, 2546, 2562, (byte) 33 ); // Fill 16 of value (byte) 33
        CHARS[2562] = -87;
        Arrays.fill(CHARS, 2563, 2565, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 2565, 2571, (byte) -19 ); // Fill 6 of value (byte) -19
        Arrays.fill(CHARS, 2571, 2575, (byte) 33 ); // Fill 4 of value (byte) 33
        Arrays.fill(CHARS, 2575, 2577, (byte) -19 ); // Fill 2 of value (byte) -19
        Arrays.fill(CHARS, 2577, 2579, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 2579, 2601, (byte) -19 ); // Fill 22 of value (byte) -19
        CHARS[2601] = 33;
        Arrays.fill(CHARS, 2602, 2609, (byte) -19 ); // Fill 7 of value (byte) -19
        CHARS[2609] = 33;
        Arrays.fill(CHARS, 2610, 2612, (byte) -19 ); // Fill 2 of value (byte) -19
        CHARS[2612] = 33;
        Arrays.fill(CHARS, 2613, 2615, (byte) -19 ); // Fill 2 of value (byte) -19
        CHARS[2615] = 33;
        Arrays.fill(CHARS, 2616, 2618, (byte) -19 ); // Fill 2 of value (byte) -19
        Arrays.fill(CHARS, 2618, 2620, (byte) 33 ); // Fill 2 of value (byte) 33
        CHARS[2620] = -87;
        CHARS[2621] = 33;
        Arrays.fill(CHARS, 2622, 2627, (byte) -87 ); // Fill 5 of value (byte) -87
        Arrays.fill(CHARS, 2627, 2631, (byte) 33 ); // Fill 4 of value (byte) 33
        Arrays.fill(CHARS, 2631, 2633, (byte) -87 ); // Fill 2 of value (byte) -87
        Arrays.fill(CHARS, 2633, 2635, (byte) 33 ); // Fill 2 of value (byte) 33
        Arrays.fill(CHARS, 2635, 2638, (byte) -87 ); // Fill 3 of value (byte) -87
        Arrays.fill(CHARS, 2638, 2649, (byte) 33 ); // Fill 11 of value (byte) 33
        Arrays.fill(CHARS, 2649, 2653, (byte) -19 ); // Fill 4 of value (byte) -19
        CHARS[2653] = 33;
        CHARS[2654] = -19;
        Arrays.fill(CHARS, 2655, 2662, (byte) 33 ); // Fill 7 of value (byte) 33
        Arrays.fill(CHARS, 2662, 2674, (byte) -87 ); // Fill 12 of value (byte) -87
        Arrays.fill(CHARS, 2674, 2677, (byte) -19 ); // Fill 3 of value (byte) -19
        Arrays.fill(CHARS, 2677, 2689, (byte) 33 ); // Fill 12 of value (byte) 33
        Arrays.fill(CHARS, 2689, 2692, (byte) -87 ); // Fill 3 of value (byte) -87
        CHARS[2692] = 33;
        Arrays.fill(CHARS, 2693, 2700, (byte) -19 ); // Fill 7 of value (byte) -19
        CHARS[2700] = 33;
        CHARS[2701] = -19;
        CHARS[2702] = 33;
        Arrays.fill(CHARS, 2703, 2706, (byte) -19 ); // Fill 3 of value (byte) -19