package me.desht.chesscraft; import me.desht.chesscraft.exceptions.ChessException; public class ChessValidate { public static void isTrue(boolean cond, String err) { if (!cond) throw new ChessException(err); } public static void isFalse(boolean cond, String err) { if (cond) throw new ChessException(err); } public static void notNull(Object o, String err) { if (o == null) throw new ChessException(err); } }