MyEclipse注册码生成类代码

执行下面代码需注意：1. 注册Myeclipse的时候要先断开网络，否则可能注册不成功！

                              2. 注册方法：window -> preferences -> myeclipse -> subscription

 

 

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)
        {}
    }
}

评论

1 楼 cn-done 2011-07-18  

请问LZ是怎么搞到这段代码的