myeclipse7.5 破解代码

import java.io.BufferedReader;      
import java.io.IOException;      
import java.io.InputStreamReader;      
public class MyEclipseGen {      
private static final String LL = "Decompiling this copyrighted software is a violation of both your license agreement and the Digital Millenium Copyright Act of 1998 (http://www.loc.gov/copyright/legislation/dmca.pdf). Under section 1204 of the DMCA, penalties range up to a $500,000 fine or up to five years imprisonment for a first offense. Think about it; pay for a license, avoid prosecution, and feel better about yourself.";      
public String getSerial(String userId, String licenseNum) {      
   java.util.Calendar cal = java.util.Calendar.getInstance();      
   cal.add(1, 3);      
   cal.add(6, -1);      
   java.text.NumberFormat nf = new java.text.DecimalFormat("000");      
   licenseNum = nf.format(Integer.valueOf(licenseNum));      
   String verTime = new StringBuilder("-").append(      
     new java.text.SimpleDateFormat("yyMMdd").format(cal.getTime()))      
     .append("0").toString();      
   String type = "YE3MP-";      
   String need = new StringBuilder(userId.substring(0, 1)).append(type)      
     .append("300").append(licenseNum).append(verTime).toString();      
   String dx = new StringBuilder(need).append(LL).append(userId)      
     .toString();      
   int suf = this.decode(dx);      
   String code = new StringBuilder(need).append(String.valueOf(suf))      
     .toString();      
   return this.change(code);      
}      
private int decode(String s) {      
   int i;      
   char[] ac;      
   int j;      
   int k;      
   i = 0;      
   ac = s.toCharArray();      
   j = 0;      
   k = ac.length;      
   while (j < k) {      
    i = (31 * i) + ac[j];      
    j++;      
   }      
   return Math.abs(i);      
}      
private String change(String s) {      
   byte[] abyte0;      
   char[] ac;      
   int i;      
   int k;      
   int j;      
   abyte0 = s.getBytes();      
   ac = new char[s.length()];      
   i = 0;      
   k = abyte0.length;      
   while (i < k) {      
    j = abyte0[i];      
    if ((j >= 48) && (j <= 57)) {      
     j = (((j - 48) + 5) % 10) + 48;      
    } else if ((j >= 65) && (j <= 90)) {      
     j = (((j - 65) + 13) % 26) + 65;      
    } else if ((j >= 97) && (j <= 122)) {      
     j = (((j - 97) + 13) % 26) + 97;      
    }      
    ac[i] = (char) j;      
    i++;      
   }      
   return String.valueOf(ac);      
}      
public MyEclipseGen() {      
   super();      
}      
public static void main(String[] args) {      
   try {      
    System.out.println("please input register name:");      
    BufferedReader reader = new BufferedReader(new InputStreamReader(      
      System.in));      
    String userId = null;      
    userId = reader.readLine();      
    MyEclipseGen myeclipsegen = new MyEclipseGen();      
    String res = myeclipsegen.getSerial(userId, "5");      
    System.out.println("Serial:" + res);      
    reader.readLine();      
   } catch (IOException ex) {      
   }      
}      
}