myeclipse6.5 blue 注册码 生成 代码

import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;

public class K {

public static final void main( String[] args ) {
String id = "wmhx";
String num = "999";
System.out.println( getSerial( id , "100" , num , true ) );
}

public static String getSerial( String userId , String version , String licenseNum , boolean selected ) {
Calendar cal = Calendar.getInstance();
cal.add( 1 , 3 );
cal.add( 6 , -1 );
NumberFormat nf = new DecimalFormat( "000" );
licenseNum = nf.format( Integer.valueOf( licenseNum ) );
String verTime = selected ? ( new StringBuffer( "-" ) ).append( ( new SimpleDateFormat( "yyMMdd" ) ).format( cal.getTime() ) ).append( "0" ).toString() : "-0912310";
String type = "YE3MB-";
String need = ( new StringBuffer( String.valueOf( userId.substring( 0 , 1 ) ) ) ).append( type ).append( version ).append( licenseNum ).append( verTime ).toString();
String dx = ( new StringBuffer( String.valueOf( need ) ) )
.append(
"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." )
.append( userId ).toString();
int suf = decode( dx );
String code = ( new StringBuffer( String.valueOf( need ) ) ).append( String.valueOf( suf ) ).toString();
return change( code );
}

private static int decode( String s ) {
int i = 0;
char ac[] = s.toCharArray();
int j = 0;
for ( int k = ac.length ; j < k ; j++ )
i = 31 * i + ac[j];

return Math.abs( i );
}

private static String change( String s ) {
byte abyte0[] = s.getBytes();
char ac[] = new char[s.length()];
int i = 0;
for ( int k = abyte0.length ; i < k ; i++ ) {
int 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;
}

return String.valueOf( ac );
}

}