org.apache.commons.net
Class DaytimeTCPClient

java.lang.Object
  extended by org.apache.commons.net.SocketClient
      extended by 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.


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