com.jscape.inet.ipclient

Class IpClient

java.lang.Object

com.jscape.inet.ipclient.IpClient

All Implemented Interfaces:

java.lang.AutoCloseable

Direct Known Subclasses:

IpClientSsh

public class IpClient
extends java.lang.Object
implements java.lang.AutoCloseable

Implements basic functionality of a TCP/IP client connection.

Example usage:

 try {
   // create new IpClient instance with hostname, port and timeout arguments
   IpClient client = new IpClient("10.0.0.1",53,5000);

   // establish connection with server
   client.connect();

   // obtain OutputStream for sending data to server
   OutputStream out = client.getOutputStream();

   // obtain InputStream for reading data from server
   InputStream in = client.getInputStream();

   // disconnect from server
   client.disconnect();

 } catch(IpClientException ipe) {
   ipe.printStackTrace();
 }

 

Constructor Summary

Constructors

Constructor and Description
IpClient(java.lang.String hostname, int port) Creates a new IpClient instance.
IpClient(java.lang.String hostname, int port, int timeout) Creates a new IpClient instance.

Method Summary

Modifier and Type	Method and Description
void	addIpClientListener(IpClientListener listener) Adds IpClient event listener.
void	clearProxySettings() Clears proxy server values.
void	close()
IpClient	connect() Establishes connection with server.
void	disconnect() Closes connection with server.
int	getConnectTimeout() Gets the timeout used when opening a server connection.
java.io.InputStream	getInputStream() Gets InputStream from socket connection established with server.
java.io.OutputStream	getOutputStream() Gets OutputStream from socket connection established with server.
int	getReadTimeout() Gets the timeout used when reading responses from server.
java.net.Socket	getSocket() Gets Socket established after invoking the IpClient#connect method.
void	removeIpClientListener(IpClientListener listener) Removes an IpClient event listener.
void	setConnectTimeout(int timeout) Sets the timeout for opening a server connection.
void	setInputStream(java.io.InputStream input) Replaces InputStream from socket connection established with server.
void	setOutputStream(java.io.OutputStream output) Sets OutputStream from socket connection established with server.
void	setProxyAuthentication(java.lang.String proxyUsername, java.lang.String proxyPassword) Sets the username and password to use when for authentication with proxy server.
void	setProxyHost(java.lang.String proxyHostname, int proxyPort) Sets the proxy hostname and port for this connection.
void	setProxyType(java.lang.String proxyType) Sets the proxy type will be used for this connection.
void	setReadTimeout(int timeout) Sets the timeout for reading responses from server.
void	setSocket(java.net.Socket socket) Sets socket replacing current socket with new socket.

Methods inherited from class java.lang.Object

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

Constructor Detail

IpClient

public IpClient(java.lang.String hostname,
                int port)

Creates a new IpClient instance.

Parameters:

hostname - the server hostname or IP address

port - the server port

IpClient

public IpClient(java.lang.String hostname,
                int port,
                int timeout)

Creates a new IpClient instance.

Parameters:

hostname - the server hostname or IP address

port - the server port

timeout - the timeout for establishing a connection specified in ms (milliseconds)

Method Detail

setConnectTimeout

public void setConnectTimeout(int timeout)

Sets the timeout for opening a server connection.

Default is 30 seconds.

Parameters:

timeout - the timeout in milliseconds

getConnectTimeout

public int getConnectTimeout()

Gets the timeout used when opening a server connection.

Default is 30 seconds.

Returns:

timeout server connection.

setInputStream

public void setInputStream(java.io.InputStream input)

Replaces InputStream from socket connection established with server. IpClient#connect method must be invoked prior to invoking this method.

Parameters:

input - The input stream instance

getInputStream

public java.io.InputStream getInputStream()

Gets InputStream from socket connection established with server. IpClient#connect method must be invoked prior to invoking this method.

Returns:

an InputStream or null if connection has been closed or not yet established

setOutputStream

public void setOutputStream(java.io.OutputStream output)

Sets OutputStream from socket connection established with server.

Parameters:

output - The output stream instance

getOutputStream

public java.io.OutputStream getOutputStream()

Gets OutputStream from socket connection established with server. IpClient#connect method must be invoked prior to invoking this method.

Returns:

an OutputStream or null if connection has been closed or not yet established

setReadTimeout

public void setReadTimeout(int timeout)

Sets the timeout for reading responses from server. Default is 30 seconds.

Parameters:

timeout - the timeout in milliseconds

getReadTimeout

public int getReadTimeout()

Gets the timeout used when reading responses from server. Default is 30 seconds.

Returns:

reading from server timeout.

setSocket

public void setSocket(java.net.Socket socket)
               throws IpClientException

Sets socket replacing current socket with new socket.

Parameters:

socket - the new socket

Throws:

IpClientException - if a I/O error occurs.

getSocket

public java.net.Socket getSocket()

Gets Socket established after invoking the IpClient#connect method.

Returns:

a Socket

See Also:

connect()

setProxyAuthentication

public void setProxyAuthentication(java.lang.String proxyUsername,
                                   java.lang.String proxyPassword)

Sets the username and password to use when for authentication with proxy server. To clear these settings invoke the #clearProxySettings method.

Parameters:

proxyUsername - the proxy username

proxyPassword - the proxy password

See Also:

clearProxySettings()

setProxyHost

public void setProxyHost(java.lang.String proxyHostname,
                         int proxyPort)

Sets the proxy hostname and port for this connection. To clear these settings invoke the #clearProxySettings method.

Parameters:

proxyHostname - the hostname or ip address of the proxy server

proxyPort - the port of the proxy server

See Also:

clearProxySettings()

setProxyType

public void setProxyType(java.lang.String proxyType)

Sets the proxy type will be used for this connection.

Parameters:

proxyType - The proxy type. Valid values: HTTP, SOCKS5

clearProxySettings

public void clearProxySettings()

Clears proxy server values.

addIpClientListener

public void addIpClientListener(IpClientListener listener)

Adds IpClient event listener.

Parameters:

listener - an IpClientListener

connect

public IpClient connect()
                 throws IpClientException

Establishes connection with server.

Throws:

IpClientException - if an I/O or network related error occurs

disconnect

public void disconnect()
                throws IpClientException

Closes connection with server.

Throws:

IpClientException - if an I/O or network related error occurs

close

public void close()
           throws java.lang.Exception

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.lang.Exception

removeIpClientListener

public void removeIpClientListener(IpClientListener listener)

Removes an IpClient event listener.

Parameters:

listener - an IpClientListener