package org.litesoft.sandbox.multimodule.client.foundation.support;

public class LuckyIdCodec {
    public static String encode( Long luckyId ) {
        return (luckyId == null) ? null : Long.toOctalString( luckyId + Integer.MAX_VALUE );
    }

    public static Long decode( String luckyId ) {
        if ( luckyId != null ) {
            if ( (luckyId = luckyId.trim()).length() != 0 ) {
                try {
                    return Long.parseLong( luckyId, 8 ) - Integer.MAX_VALUE;
                }
                catch ( NumberFormatException e ) {
                    // Ignore...
                }
            }
        }
        return null;
    }
}