ChatServer Class Reference

Inheritance diagram for ChatServer:

Collaboration diagram for ChatServer:

Public Member Functions
	ChatServer (int port) throws IOException
SocketAddress	getSocketAddress () throws IOException
void	removeClient (Client client)
void	run ()
void	shutdown () throws InterruptedException, IOException
void	writeMessageToClients (Client client, String message)

Static Public Member Functions
static void	main (String[] args) throws IOException

Private Member Functions
AsynchronousServerSocketChannel	createListener (AsynchronousChannelGroup channelGroup) throws IOException
void	handleNewConnection (AsynchronousSocketChannel channel)
AsynchronousServerSocketChannel	openChannel (AsynchronousChannelGroup channelGroup) throws IOException

Static Private Member Functions
static void	usage ()

Private Attributes
final AsynchronousChannelGroup	channelGroup
final List< Client >	connections = Collections.synchronizedList(new ArrayList<Client>())
final AsynchronousServerSocketChannel	listener
int	port

Detailed Description

Implements a chat server, this class holds the list of

clients 

connected to the server. It sets up a server socket using AsynchronousServerSocketChannel listening to a specified port.

Definition at line 54 of file ChatServer.java.

Constructor & Destructor Documentation

ChatServer()

ChatServer.ChatServer

(

int

port

)

throws IOException

Parameters

port	to listen to

Exceptions

java.io.IOException

when failing to start the server

Definition at line 65 of file ChatServer.java.

References channelGroup, createListener(), listener, and port.

Referenced by main().

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Member Function Documentation

createListener()

AsynchronousServerSocketChannel ChatServer.createListener ( AsynchronousChannelGroup  channelGroup ) throws IOException

private

Definition at line 115 of file ChatServer.java.

References channelGroup, listener, openChannel(), and port.

Referenced by ChatServer().

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getSocketAddress()

SocketAddress ChatServer.getSocketAddress

(

)

throws IOException

Returns

The socket address that the server is bound to

Exceptions

java.io.IOException

if an I/O error occurs

Definition at line 77 of file ChatServer.java.

References listener.

handleNewConnection()

void ChatServer.handleNewConnection ( AsynchronousSocketChannel  channel )

private

Creates a new client and adds it to the list of connections. Sets the clients handler to the initial state of NameReader

Parameters

channel

the newly accepted channel

Definition at line 132 of file ChatServer.java.

References client, and connections.

Referenced by run().

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main()

static void ChatServer.main ( String[]  args ) throws IOException

static

Definition at line 170 of file ChatServer.java.

References ChatServer(), port, and usage().

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openChannel()

AsynchronousServerSocketChannel ChatServer.openChannel ( AsynchronousChannelGroup  channelGroup ) throws IOException

private

Definition at line 122 of file ChatServer.java.

References channelGroup.

Referenced by createListener().

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removeClient()

void ChatServer.removeClient

(

Client

client

)

Definition at line 161 of file ChatServer.java.

References client, and connections.

Referenced by ClientReader.run().

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run()

void ChatServer.run

(

)

Start accepting connections

Definition at line 84 of file ChatServer.java.

References handleNewConnection(), listener, and result.

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shutdown()

void ChatServer.shutdown

(

)

throws InterruptedException, IOException

Shuts down the server

Exceptions

InterruptedException	if terminated while waiting for shutdown
IOException	if failing to shutdown the channel group

Definition at line 107 of file ChatServer.java.

References channelGroup.

usage()

static void ChatServer.usage ( )

staticprivate

Definition at line 165 of file ChatServer.java.

Referenced by main().

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writeMessageToClients()

void ChatServer.writeMessageToClients	(	Client	client,
		String	message
	)

Sends a message to all clients except the source. The method is synchronized as it is desired that messages are sent to all clients in the same order as received.

Parameters

client	the message source
message	the message to be sent

Definition at line 151 of file ChatServer.java.

References client, and connections.

Referenced by MessageReader.beforeRead().

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Member Data Documentation

channelGroup

final AsynchronousChannelGroup ChatServer.channelGroup

private

Definition at line 58 of file ChatServer.java.

Referenced by ChatServer(), createListener(), openChannel(), and shutdown().

connections

final List<Client> ChatServer.connections = Collections.synchronizedList(new ArrayList<Client>())

private

Definition at line 55 of file ChatServer.java.

Referenced by handleNewConnection(), removeClient(), and writeMessageToClients().

listener

final AsynchronousServerSocketChannel ChatServer.listener

private

Definition at line 57 of file ChatServer.java.

Referenced by ChatServer(), createListener(), getSocketAddress(), and run().

port

int ChatServer.port

private

Definition at line 56 of file ChatServer.java.

Referenced by ChatServer(), createListener(), and main().

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The documentation for this class was generated from the following file:

• build/windows-installer/unpacked/java-se-8u41-ri/sample/nio/chatserver/ChatServer.java