package fr.pandacube.lib.util; import java.nio.charset.StandardCharsets; import java.util.Objects; import java.util.Scanner; import java.util.UUID; public class OfflineUUID { public static UUID getFromNickName(String nickname) { byte[] from_str = ("OfflinePlayer:" + nickname).getBytes(StandardCharsets.UTF_8); return UUID.nameUUIDFromBytes(from_str); } public static UUID[] getFromNickNames(String[] nicknames) { Objects.requireNonNull(nicknames); UUID[] uuids = new UUID[nicknames.length]; for (int i = 0; i < nicknames.length; i++) uuids[i] = getFromNickName(nicknames[i]); return uuids; } public static void main(String[] args) { if (args.length == 0) { try (Scanner s = new Scanner(System.in)) { for(;;) { System.out.print("Please input a player name: "); if (!s.hasNext()) break; String line = s.nextLine(); System.out.println(getFromNickName(line)); } } } else { for (String arg : args) System.out.println("" + arg + ":" + getFromNickName(arg)); } } }