decode.java

WAP PUSH后台源码,WAP PUSH后台源码

package com.sxit.wap.common;

/*************ASCII, UNICODE 解码过程**************/
// writed by zhouzhiming
// 2003.04.15

public class Decode {

  private int CharToInt(char c) {
    int re;
    re = (int)c;
    if ( (re <= 57) && (re >= 48) )
      re = re - 48;
    else if ( (re >= 65) && (re <= 70) )
      re = re - 55;
    else
      re = 0;
    return re;
  }

  private char HexStrToChar2(String HexStr) {
    if (HexStr.length() != 2)
      return (char)0;
    int ii;
    ii = CharToInt(HexStr.charAt(0))*16 + CharToInt(HexStr.charAt(1));
    return (char)ii;
  }

  private char HexStrToChar4(String HexStr) {
    if (HexStr.length() != 4)
      return (char)0;
    int ii;
    ii = CharToInt(HexStr.charAt(0))*256*16 + CharToInt(HexStr.charAt(1))*256
          + CharToInt(HexStr.charAt(2))*16 + CharToInt(HexStr.charAt(3));
    return (char)ii;
  }
  public String AsciiToStr(String AsciiStr) throws Exception {
    int ii = 0;
    String str = "";
    String sx = "";
    while (ii + 2 <= AsciiStr.length()) {
      sx = AsciiStr.substring(ii, ii + 2);
      str = str + HexStrToChar2(sx);
      ii = ii + 2;
    }
    str = new String(str.getBytes("ISO-8859-1"),"gb2312");
    return str;
  }

  public String UnicodeToStr(String UnicodeStr) throws Exception {
    UnicodeStr = UnicodeStr.toUpperCase();
    int ii = 0;
    String str = "";
    String sx = "";
    while (ii + 4 <= UnicodeStr.length()) {
      sx = UnicodeStr.substring(ii, ii + 4);
      str = str + HexStrToChar4(sx);
      ii = ii + 4;
    }
//    str = new String(str.getBytes("ISO-8859-1"),"gb2312");
    return str;
  }
  public static String strToUnicode(String str) throws Exception {
    String unicode = "";
    for (int i=0; i<str.length(); i++) {
      unicode += Integer.toHexString((int)str.charAt(i));
    }
	return unicode;
  }
  public String strToUtf8(String s) {
    String s1 = "";
    if(s != null && !s.equals(""))
    {
        int i = s.length();
        for(int j = 0; j < i; j++)
        {
            char c = s.charAt(j);
            s1 = s1 + "&#x" + toHexString(c) + ";";
        }

    }
    return s1;
  }
  public String toHexString(char c) {
    int i = (int)c;
    int i1= i%16;
    int i2 = (i%256)/16;
    int i3 = (i%4096)/256;
    int i4 = i/4096;
    char c1 = hex(i1);
    char c2 = hex(i2);
    char c3 = hex(i3);
    char c4 = hex(i4);
    String str = "" + c4 + c3 + c2 + c1;
    return str;
  }
  public String toHexString(int i) {
      return toUnsignedString(i, 4);
  }
  final static char[] digits = {
      '0' , '1' , '2' , '3' , '4' , '5' ,
      '6' , '7' , '8' , '9' , 'a' , 'b' ,
      'c' , 'd' , 'e' , 'f' , 'g' , 'h' ,
      'i' , 'j' , 'k' , 'l' , 'm' , 'n' ,
      'o' , 'p' , 'q' , 'r' , 's' , 't' ,
      'u' , 'v' , 'w' , 'x' , 'y' , 'z'
  };
  private String toUnsignedString(int i, int shift) {
      char[] buf = new char[32];
      int charPos = 32;
      int radix = 1 << shift;
      int mask = radix - 1;
      do {
          buf[--charPos] = digits[i & mask];
          i >>>= shift;
      } while (i != 0);

      return new String(buf, charPos, (32 - charPos));
  }
  public String utf8ToStr(String utf8) {
    utf8 = utf8.toUpperCase();
    int ii = 0;
    String str = "";
    String sx = "";
    while (ii + 8 <= utf8.length()) {
      sx = utf8.substring(ii, ii + 8);
      sx = sx.substring(3, 7);
      str = str + HexStrToChar4(sx);
      ii = ii + 8;
    }
    return str;
  }
  private static char hex(int i) {
    char c = ' ';
    switch(i) {
      case 10:
        c = 'a';break;
      case 11:
        c = 'b';break;
      case 12:
        c = 'c';break;
      case 13:
        c = 'd';break;
      case 14:
        c = 'e';break;
      case 15:
        c = 'f';break;
      default:
        c = (""+i).charAt(0);break;
    }
    return c;
  }

  public static void main(String[] args) throws Exception {
    String str = "杨国长";
    String unicode = "";
 //   for (int i=0; i<str.length(); i++) {
 //     unicode += Integer.toHexString((int)str.charAt(i));
 //   }
  //  System.out.println(unicode);

    Decode dc = new Decode();
  //  String str1 = dc.UnicodeToStr(unicode);
    System.out.println(dc.strToUtf8(str));
  //  System.out.println(str1);
  //  String ddd;
 //   ddd = "970760ca516874034e50575b7f8e5c1159734e8c4eba7ec40074002e0041002e0054002e007598a089866027723189c25ff5ff0c540c60276fc060c597f34e5069825ff5ff01629762d2201c975e5178201dff0c660e661f53e37f69603b52a8545872067b114e0a7ebfff01";
    //970760CA516874034E50575B7F8E5C1159734E8C4EBA7EC40074002E0041002E0054002E007598A089866027723189C25FF5FF0C540C60276FC060C597F34E5069825FF5FF01629762D2201C975E5178201DFF0C660E661F53E37F69603B52A8545872067B114E0A7EBFFF01
    // String str = sortBean1.AsciiToStr(ddd);
 //   Decode dc1 = new Decode();
 //   String str2 = dc1.UnicodeToStr(ddd);
 //   System.out.println(str2);
  }

}