MyEclipse注册码 / 憋错料

package com.annotion.demo;

import java.io.*;

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, "20");
           System.out.println("Serial:" + res);
           reader.readLine();
       } catch (IOException ex) {
       }
   }
}

时间： 2024-07-30 20:28:58

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