net.sf.freehost3270.proxy

Class Proxy

java.lang.Object

net.sf.freehost3270.proxy.Proxy

All Implemented Interfaces:

Runnable, ConnectionMonitor

public class Proxy
extends Object
implements ConnectionMonitor, Runnable

This class provides the mechanism by which host and client (applet) are able to communicate.

Since:

0.1

Field Summary

Fields

Modifier and Type	Field and Description
protected Vector	connections The vector of active connections.
protected ServerSocket	mainSocket The socket used for listening for client requests.

Constructor Summary

Constructors

Constructor and Description
Proxy(int portNumber) Instantiates a new FreeHost3270 Proxy with no encrption
Proxy(int portNumber, boolean encryption) Instantiates a new FreeHost3270 Proxy.

Method Summary

Methods

Modifier and Type	Method and Description
void	addConnection(Connection c) Adds a Connection object to the connections Vector.
void	attemptingConnection(Connection c) Empty method.
void	connectionError(Connection c, String errMsg) Reports connection error on the proxy log with SEVERE rating.
static void	main(String[] args)
void	removeConnection(Connection c) Removes a Connection object from the connections Vector.
void	run() Starts the thread.

Methods inherited from class java.lang.Object

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

Field Detail

mainSocket

protected ServerSocket mainSocket

The socket used for listening for client requests.

connections

protected Vector connections

The vector of active connections.

Constructor Detail

Proxy

public Proxy(int portNumber,
     boolean encryption)
      throws IOException

Instantiates a new FreeHost3270 Proxy.

Parameters:

portNumber - integer representing the port on which to listen for clients.

encryption - default encryption on or off(t/f).

Throws:

IOException - if we can't open the port

Proxy

public Proxy(int portNumber)
      throws IOException

Instantiates a new FreeHost3270 Proxy with no encrption

Parameters:

portNumber - integer representing the port on which to listen for clients.

Throws:

IOException - if we can't open the port

Method Detail

addConnection

public void addConnection(Connection c)

Adds a Connection object to the connections Vector.

Specified by:

addConnection in interface ConnectionMonitor

Parameters:

c - The connection object to add.

attemptingConnection

public void attemptingConnection(Connection c)

Empty method. Satisfies implementation of the Connection Monitor interface.

Specified by:

attemptingConnection in interface ConnectionMonitor

Parameters:

c - DOCUMENT ME!

connectionError

public void connectionError(Connection c,
                   String errMsg)

Reports connection error on the proxy log with SEVERE rating.

Specified by:

connectionError in interface ConnectionMonitor

Parameters:

c - DOCUMENT ME!

errMsg - DOCUMENT ME!

removeConnection

public void removeConnection(Connection c)

Removes a Connection object from the connections Vector.

Specified by:

removeConnection in interface ConnectionMonitor

Parameters:

c - The connection object to remove.

run

public void run()

Starts the thread. This is designed to use up as little overhead as possible by spawning the Connection object (and it's corresponding threads) immediately.

Specified by:

run in interface Runnable

main

public static void main(String[] args)
                 throws IOException

Throws:

IOException