org.apache.commons.net
Class DaytimeTCPClient

java.lang.Object
  org.apache.commons.net.SocketClient
      org.apache.commons.net.DaytimeTCPClient

public final class DaytimeTCPClient
extends SocketClient

The DaytimeTCPClient class is a TCP implementation of a client for the Daytime protocol described in RFC 867. To use the class, merely establish a connection with connect and call getTime() to retrieve the daytime string, then call disconnect to close the connection properly.

Author:

Daniel F. Savarese

See Also:

DaytimeUDPClient

Field Summary

static int

DEFAULT_PORT The default daytime port.

Fields inherited from class org.apache.commons.net.SocketClient

_defaultPort_, _input_, _isConnected_, _output_, _socket_, _socketFactory_, _timeout_, NETASCII_EOL

Constructor Summary

DaytimeTCPClient()
The default DaytimeTCPClient constructor.

Method Summary

String

getTime() Retrieves the time string from the server and returns it.

Methods inherited from class org.apache.commons.net.SocketClient

_connectAction_, connect, connect, connect, connect, connect, connect, disconnect, getDefaultPort, getDefaultTimeout, getLocalAddress, getLocalPort, getRemoteAddress, getRemotePort, getSoLinger, getSoTimeout, getTcpNoDelay, isConnected, setDefaultPort, setDefaultTimeout, setSocketFactory, setSoLinger, setSoTimeout, setTcpNoDelay, verifyRemote

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_PORT

public static final int DEFAULT_PORT

The default daytime port. It is set to 13 according to RFC 867.

See Also:

Constant Field Values

Constructor Detail

DaytimeTCPClient

public DaytimeTCPClient()

The default DaytimeTCPClient constructor. It merely sets the default port to DEFAULT_PORT .

Method Detail

getTime

public String getTime()
               throws IOException

Retrieves the time string from the server and returns it. The server will have closed the connection at this point, so you should call disconnect after calling this method. To retrieve another time, you must initiate another connection with connect before calling getTime() again.

Returns:

The time string retrieved from the server.

Throws:

IOException - If an error occurs while fetching the time string.