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Java Source Code / Java Documentation » Net » Apache commons net 1.4.1 » org.apache.commons.net 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.apache.commons.net.DatagramSocketClient
      org.apache.commons.net.DaytimeUDPClient

DaytimeUDPClient
final public class DaytimeUDPClient extends DatagramSocketClient (Code)
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 org.apache.commons.net.DatagramSocketClient.open open and call DaytimeUDPClient.getTime getTime to retrieve the daytime string, then call org.apache.commons.net.DatagramSocketClient.close close to close the connection properly. Unlike org.apache.commons.net.DaytimeTCPClient , successive calls to DaytimeUDPClient.getTime getTime are permitted without re-establishing a connection. That is because UDP is a connectionless protocol and the Daytime protocol is stateless.


author:
   Daniel F. Savarese
See Also:   DaytimeTCPClient



Field Summary
final public static  intDEFAULT_PORT
     The default daytime port.


Method Summary
public  StringgetTime(InetAddress host, int port)
     Retrieves the time string from the specified server and port and returns it.


Parameters:
  host - The address of the server.
Parameters:
  port - The port of the service.

public  StringgetTime(InetAddress host)
    

Field Detail
DEFAULT_PORT
final public static int DEFAULT_PORT(Code)
The default daytime port. It is set to 13 according to RFC 867. **





Method Detail
getTime
public String getTime(InetAddress host, int port) throws IOException(Code)
Retrieves the time string from the specified server and port and returns it.


Parameters:
  host - The address of the server.
Parameters:
  port - The port of the service. The time string.
exception:
  IOException - If an error occurs while retrieving the time.




getTime
public String getTime(InetAddress host) throws IOException(Code)
Same as getTime(host, DaytimeUDPClient.DEFAULT_PORT); **



Fields inherited from org.apache.commons.net.DatagramSocketClient
protected boolean _isOpen_(Code)(Java Doc)
protected DatagramSocketFactory _socketFactory_(Code)(Java Doc)
protected DatagramSocket _socket_(Code)(Java Doc)
protected int _timeout_(Code)(Java Doc)

Methods inherited from org.apache.commons.net.DatagramSocketClient
public void close()(Code)(Java Doc)
public int getDefaultTimeout()(Code)(Java Doc)
public InetAddress getLocalAddress()(Code)(Java Doc)
public int getLocalPort()(Code)(Java Doc)
public int getSoTimeout() throws SocketException(Code)(Java Doc)
public boolean isOpen()(Code)(Java Doc)
public void open() throws SocketException(Code)(Java Doc)
public void open(int port) throws SocketException(Code)(Java Doc)
public void open(int port, InetAddress laddr) throws SocketException(Code)(Java Doc)
public void setDatagramSocketFactory(DatagramSocketFactory factory)(Code)(Java Doc)
public void setDefaultTimeout(int timeout)(Code)(Java Doc)
public void setSoTimeout(int timeout) throws SocketException(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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