import java.io.*;
public class MyEclipseCode {
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.";
/**
* MyEclipse Standard Subscription---------YE2MY-
*/
public static String TYPE_STANDARD_SUBSCRIPTION = "YE2MY-";
/**
* MyEclipse Professional Subscription-----YE3MP-
*/
public static String TYPE_PROFESSIONAL_SUBSCRIPTION = "YE3MP-";
/**
* MyEclipse Blue Subscription-------------YE3MB-
*/
public static String TYPE_BLUE_SUBSCRIPTION = "YE3MB-";
/**
* MyEclipse for Spring Subscription-------YE3MS-
*/
public static String TYPE_FOR_SPRING_SUBSCRIPTION = "YE3MS-";
/**
*
* @param userId 注册的用户名
* @param licenseNum 用户数 999为最大
* @param type MyEclipse 类别 MyEclipse Standard Subscription---------YE2MY
* MyEclipse Professional Subscription-----YE3MP
* MyEclipse Blue Subscription-------------YE3MB
* MyEclipse for Spring Subscription-------YE3MS
* @return 注册码
*/
public String getSerial( String userId, String licenseNum, String type ) {
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 StringBuffer( "-" ).append(
new java.text.SimpleDateFormat( "yyMMdd" ).format( cal.getTime() ) ).append( "0" ).toString();
String need = new StringBuffer( userId.substring( 0, 1 ) ).append( type ).append( "300" ).append( licenseNum )
.append( verTime ).toString();
String dx = new StringBuffer( need ).append( LL ).append( userId ).toString();
int suf = this.decode( dx );
String code = new StringBuffer( 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 MyEclipseCode() {
super();
}
public static void main( String[] args ) throws IOException {
System.out.println( "please input register name:" );
BufferedReader reader = new BufferedReader( new InputStreamReader( System.in ) );
String res = new MyEclipseCode().getSerial( reader.readLine(), "999", MyEclipseCode.TYPE_PROFESSIONAL_SUBSCRIPTION );
System.out.println( "Serial:" + res );
}
}
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