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The DaytimeUDPClient class is a UDP implementation of a client for the Daytime protocol described in RFC 867. To use the class, merely open a local datagram socket with open and call getTime to retrieve the daytime string, then call close to close the connection properly. Unlike DaytimeTCPClient, successive calls to getTime are permitted without re-establishing a connection. That is because UDP is a connectionless protocol and the Daytime protocol is stateless.

public final class DaytimeUDPClient extends DatagramSocketClient
The default daytime port. It is set to 13 according to RFC 867.
    public static final int DEFAULT_PORT = 13;
    private final byte[] __dummyData = new byte[1];
    // Received dates should be less than 256 bytes
    private final byte[] __timeData = new byte[256];

Retrieves the time string from the specified server and port and returns it.

host The address of the server.
port The port of the service.
The time string.
Throws: If an error occurs while retrieving the time.
    public String getTime(InetAddress hostint portthrows IOException
        DatagramPacket sendPacketreceivePacket;
        sendPacket =
            new DatagramPacket(.hostport);
        receivePacket = new DatagramPacket(.);
        return new String(receivePacket.getData(), 0, receivePacket.getLength(), getCharsetName()); // Java 1.6 can use getCharset()

Same as getTime(host, DaytimeUDPClient.DEFAULT_PORT);
    public String getTime(InetAddress hostthrows IOException
        return getTime(host);
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