Callbacks.java 文件源码

public static String getPlayerHash(UUID uuid)
{
    if (hashCache.containsKey(uuid))
        return hashCache.get(uuid);

    String playerHash;
    try
    {
        MessageDigest digest = MessageDigest.getInstance("SHA-256");
        byte[] hash = digest.digest(uuid.toString().getBytes(Charset.forName("UTF-8")));
        playerHash = (new HexBinaryAdapter()).marshal(hash);
    }
    catch (NoSuchAlgorithmException e)
    {
        e.printStackTrace();
        return null;
    }
    hashCache.put(uuid, playerHash);
    return playerHash;
}