Class NetworkHandler

java.lang.Object
  |
  +--NetworkHandler

All Implemented Interfaces:

java.util.EventListener, java.beans.PropertyChangeListener

public class NetworkHandler

extends java.lang.Object

implements java.beans.PropertyChangeListener

NetworkHandler handles the XMLSocket and executes network actions The NetworkHandler handles both the network messages as well as message construction and message parsing. It will send events to the GUI to draw as well as accepts commands from the GUI layer.

Field Summary

static java.net.InetAddress	currentHost the host to connect to
static int	currentPort the port to connect to

Method Summary

void	disconnect(Connection conn) disconnect from the Connection conn Fully Disconnect a Connection.
static java.net.InetAddress	getCurrentHost() Get's the current Host
static int	getCurrentPort() gets the current port
void	getLastUpdateTime() sends the get last update time message and returns value in a callback.
void	getLastUpdateTime(int lastTime) sends the get last update time message and returns value in a callback.
void	getView() sends the get last update time message and returns value in a callback.
void	messageHandle(XMLString value) MessagesHandler, handles XML messages.
static NetworkHandler	networkHandler(ViewWindow view) Singleton, returns a network handler handling view.
void	patch(Connection connIn, Connection connOut) Sends Connector a message to patch the connection represented by "connect1" to the connection represented by "connect2".
void	propertyChange(java.beans.PropertyChangeEvent evt) propertyChange listener accepts messages from XMLSocket
static void	setCurrentHost(java.net.InetAddress i) set the current host with address i
static void	setCurrentPort(int i) set the current port with i
void	shutDown() sends the shutdown message to the server
void	unPatch(Connection connIn, Connection connOut) Unpatches and patch between connections "connect1" and "connect2"

Methods inherited from class java.lang.Object

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

Field Detail

currentHost

public static java.net.InetAddress currentHost

the host to connect to

currentPort

public static int currentPort

the port to connect to

Method Detail

setCurrentHost

public static void setCurrentHost(java.net.InetAddress i)

set the current host with address i

Parameters:

i - the address of the host to connect to

setCurrentPort

public static void setCurrentPort(int i)

set the current port with i

Parameters:

i - the port of the host to connect to

getCurrentHost

public static java.net.InetAddress getCurrentHost()

Get's the current Host

getCurrentPort

public static int getCurrentPort()

gets the current port

networkHandler

public static NetworkHandler networkHandler(ViewWindow view)

Singleton, returns a network handler handling view.

Parameters:

view - the ViewWindow which recieves events from the NetworkHandler

disconnect

public void disconnect(Connection conn)
                throws java.io.IOException

disconnect from the Connection conn Fully Disconnect a Connection.

Parameters:

conn - the connection to disconnect

Throws:

java.io.IOException - if there is an IOException (e.g. can't send a message)

unPatch

public void unPatch(Connection connIn,
                    Connection connOut)
             throws java.io.IOException

Unpatches and patch between connections "connect1" and "connect2"

Parameters:

connIn - the connection to unpatch From

connOut - the connection to unpatch To

Throws:

java.io.IOException - if there is an IOException (e.g. can't send a message)

patch

public void patch(Connection connIn,
                  Connection connOut)
           throws java.io.IOException

Sends Connector a message to patch the connection represented by "connect1" to the connection represented by "connect2". "connect1" serves as an Input Connection while connect2 serves as an Output Connection.

Parameters:

connIn - the connection to patch From

connOut - the connection to patch To

Throws:

java.io.IOException - if there is an IOException (e.g. can't send a message)

getLastUpdateTime

public void getLastUpdateTime()
                       throws java.io.IOException

sends the get last update time message and returns value in a callback.

Throws:

java.io.IOException - if there is an IOException (e.g. can't send a message)

getLastUpdateTime

public void getLastUpdateTime(int lastTime)
                       throws java.io.IOException

sends the get last update time message and returns value in a callback.

Parameters:

lastTime - the lastTime we asked.

Throws:

java.io.IOException - if there is an IOException (e.g. can't send a message)

getView

public void getView()
             throws java.io.IOException

sends the get last update time message and returns value in a callback.

Throws:

java.io.IOException - if there is an IOException (e.g. can't send a message)

propertyChange

public void propertyChange(java.beans.PropertyChangeEvent evt)

propertyChange listener accepts messages from XMLSocket

Specified by:

propertyChange in interface java.beans.PropertyChangeListener

Parameters:

evt - the event

shutDown

public void shutDown()
              throws java.io.IOException

sends the shutdown message to the server

Throws:

java.io.IOException - if there is an IOException (e.g. can't send a message)

messageHandle

public void messageHandle(XMLString value)

MessagesHandler, handles XML messages.