生成MyEclipse Serial的Java代码

importjava.io.*;

publicclassMyEclipseGen{

privatestaticfinalStringLL="DecompilingthiscopyrightedsoftwareisaviolationofbothyourlicenseagreementandtheDigitalMilleniumCopyrightActof1998(http://www.loc.gov/copyright/legislation/dmca.pdf).Undersection1204oftheDMCA,penaltiesrangeuptoa$500,000fineoruptofiveyearsimprisonmentforafirstoffense.Thinkaboutit;payforalicense,avoidprosecution,andfeelbetteraboutyourself.";

publicStringgetSerial(StringuserId,StringlicenseNum){

java.util.Calendarcal=java.util.Calendar.getInstance();

cal.add(1,3);

cal.add(6,-1);

java.text.NumberFormatnf=newjava.text.DecimalFormat("000");

licenseNum=nf.format(Integer.valueOf(licenseNum));

StringverTime=newStringBuilder("-").append(newjava.text.

SimpleDateFormat("yyMMdd").format(cal.getTime())).append("0").

toString();

Stringtype="YE3MP-";

Stringneed=newStringBuilder(userId.substring(0,1)).append(type).

append("300").append(licenseNum).append(verTime).toString();

Stringdx=newStringBuilder(need).append(LL).append(userId).toString();

intsuf=this.decode(dx);

Stringcode=newStringBuilder(need).append(String.valueOf(suf)).

toString();

returnthis.change(code);

}

privateintdecode(Strings){

inti;

char[]ac;

intj;

intk;

i=0;

ac=s.toCharArray();

j=0;

k=ac.length;

while(j<k){

i=(31*i)+ac[j];

j++;

}

returnMath.abs(i);

}

privateStringchange(Strings){

byte[]abyte0;

char[]ac;

inti;

intk;

intj;

abyte0=s.getBytes();

ac=newchar[s.length()];

i=0;

k=abyte0.length;

while(i<k){

j=abyte0[i];

if((j>=48)&&(j<=57)){

j=(((j-48)+5)%10)+48;

}elseif((j>=65)&&(j<=90)){

j=(((j-65)+13)%26)+65;

}elseif((j>=97)&&(j<=122)){

j=(((j-97)+13)%26)+97;

}

ac[i]=(char)j;

i++;

}

returnString.valueOf(ac);

}

publicMyEclipseGen(){

super();

}

publicstaticvoidmain(String[]args){

try{

System.out.println("pleaseinputregistername:");

BufferedReaderreader=newBufferedReader(newInputStreamReader(

System.in));

StringuserId=null;

userId=reader.readLine();

MyEclipseGenmyeclipsegen=newMyEclipseGen();

Stringres=myeclipsegen.getSerial(userId,"20");

System.out.println("Serial:"+res);

reader.readLine();

}catch(IOExceptionex){

}

}

}