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java.lang.Object org.apache.commons.net.SocketClient org.apache.commons.net.chargen.CharGenTCPClient
public final class CharGenTCPClient
The CharGenTCPClient class is a TCP implementation of a client for the character generator protocol described in RFC 864. It can also be used for Systat (RFC 866), Quote of the Day (RFC 865), and netstat (port 15). All of these protocols involve connecting to the appropriate port, and reading data from an input stream. The chargen protocol actually sends data until the receiving end closes the connection. All of the others send only a fixed amount of data and then close the connection.
To use the CharGenTCPClient class, just establish a
connection with
connect
and call getInputStream()
to access
the data. Don't close the input stream when you're done with it. Rather,
call disconnect
to clean up properly.
CharGenUDPClient
Field Summary | |
---|---|
static int |
CHARGEN_PORT
The character generator port value of 19 according to RFC 864. |
static int |
DEFAULT_PORT
The default chargen port. |
static int |
NETSTAT_PORT
The netstat port value of 19. |
static int |
QUOTE_OF_DAY_PORT
The quote of the day port value of 17 according to RFC 865. |
static int |
SYSTAT_PORT
The systat port value of 11 according to RFC 866. |
Fields inherited from class org.apache.commons.net.SocketClient |
---|
_defaultPort_, _input_, _output_, _serverSocketFactory_, _socket_, _socketFactory_, _timeout_, connectTimeout, NETASCII_EOL |
Constructor Summary | |
---|---|
CharGenTCPClient()
The default constructor for CharGenTCPClient. |
Method Summary | |
---|---|
InputStream |
getInputStream()
Returns an InputStream from which the server generated data can be read. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
public static final int SYSTAT_PORT
public static final int NETSTAT_PORT
public static final int QUOTE_OF_DAY_PORT
public static final int CHARGEN_PORT
public static final int DEFAULT_PORT
Constructor Detail |
---|
public CharGenTCPClient()
DEFAULT_PORT
.
Method Detail |
---|
public InputStream getInputStream()
disconnect
to clean up properly.
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