MyEclipse-6.5注冊码生成器源代码

打开MyEclipse新建一个Javaproject，然后新建类，粘贴例如以下代码，就可以生成MyEclipse的注冊码

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)
{

}

}

}