CharGenTCPClient (Apache Commons Net 3.5 API)

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java.lang.Object
- org.apache.commons.net.SocketClient
- - org.apache.commons.net.chargen.CharGenTCPClient

```
public final class CharGenTCPClient
extends SocketClient
```
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.

See Also:
CharGenUDPClient

Field Summary

Fields
Modifier and Type	Field and Description
`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_, _hostname_, _input_, _output_, _serverSocketFactory_, _socket_, _socketFactory_, _timeout_, connectTimeout, NETASCII_EOL

Constructor Summary

Constructors
Constructor and Description

CharGenTCPClient()
The default constructor for CharGenTCPClient.

Method Summary

Methods
Modifier and Type Method and Description

InputStream getInputStream()
Returns an InputStream from which the server generated data can be read.
- Methods inherited from class org.apache.commons.net.SocketClient
  _connectAction_, addProtocolCommandListener, connect, connect, connect, connect, connect, connect, createCommandSupport, disconnect, fireCommandSent, fireReplyReceived, getCharset, getCharsetName, getCommandSupport, getConnectTimeout, getDefaultPort, getDefaultTimeout, getKeepAlive, getLocalAddress, getLocalPort, getProxy, getReceiveBufferSize, getRemoteAddress, getRemotePort, getSendBufferSize, getServerSocketFactory, getSoLinger, getSoTimeout, getTcpNoDelay, isAvailable, isConnected, removeProtocolCommandListener, setCharset, setConnectTimeout, setDefaultPort, setDefaultTimeout, setKeepAlive, setProxy, setReceiveBufferSize, setSendBufferSize, setServerSocketFactory, 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
  - SYSTAT_PORT
```
public static final int SYSTAT_PORT
```
    The systat port value of 11 according to RFC 866.
    
    See Also:
    Constant Field Values
  - NETSTAT_PORT
```
public static final int NETSTAT_PORT
```
    The netstat port value of 19.
    
    See Also:
    Constant Field Values
  - QUOTE_OF_DAY_PORT
```
public static final int QUOTE_OF_DAY_PORT
```
    The quote of the day port value of 17 according to RFC 865.
    
    See Also:
    Constant Field Values
  - CHARGEN_PORT
```
public static final int CHARGEN_PORT
```
    The character generator port value of 19 according to RFC 864.
    
    See Also:
    Constant Field Values
  - DEFAULT_PORT
```
public static final int DEFAULT_PORT
```
    The default chargen port. It is set to 19 according to RFC 864.
    
    See Also:
    Constant Field Values
- Constructor Detail
  - CharGenTCPClient
```
public CharGenTCPClient()
```
    The default constructor for CharGenTCPClient. It merely sets the default port to DEFAULT_PORT .
- Method Detail
  - getInputStream
```
public InputStream getInputStream()
```
    Returns an InputStream from which the server generated data can be read. You should NOT close the InputStream when you're finished reading from it. Rather, you should call disconnect to clean up properly.
    
    Returns:
    An InputStream from which the server generated data can be read.

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