edu.jas.util

Class ChannelFactory

java.lang.Object

java.lang.Thread

edu.jas.util.ChannelFactory

All Implemented Interfaces:

java.lang.Runnable

public class ChannelFactory
extends java.lang.Thread

ChannelFactory implements a symmetric and non blocking way of setting up sockets on the client and server side. The constructor sets up a ServerSocket and accepts and stores any Socket creation requests from clients. The created Sockets can the be retrieved from the store without blocking. Refactored for java.util.concurrent.

Author:

Akitoshi Yoshida, Heinz Kredel.

See Also:

SocketChannel

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_PORT default port of socket.

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
ChannelFactory() Constructs a ChannelFactory on the DEFAULT_PORT.
ChannelFactory(int p) Constructs a ChannelFactory.

Method Summary

Modifier and Type	Method and Description
SocketChannel	getChannel() Get a new socket channel from a server socket.
SocketChannel	getChannel(java.lang.String h) Get a new socket channel to a given host.
SocketChannel	getChannel(java.lang.String h, int p) Get a new socket channel to a given host.
void	init() thread initialization and start.
void	run() Run the servers accept() in an infinite loop.
void	terminate() Terminate the Channel Factory
java.lang.String	toString() toString.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, yield

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_PORT

public static final int DEFAULT_PORT

default port of socket.

See Also:

Constant Field Values

Constructor Detail

ChannelFactory

public ChannelFactory()

Constructs a ChannelFactory on the DEFAULT_PORT.

ChannelFactory

public ChannelFactory(int p)

Constructs a ChannelFactory.

Parameters:

p - port.

Method Detail

toString

public java.lang.String toString()

toString.

Overrides:

toString in class java.lang.Thread

init

public void init()

thread initialization and start.

getChannel

public SocketChannel getChannel()
                         throws java.lang.InterruptedException

Get a new socket channel from a server socket.

Throws:

java.lang.InterruptedException

getChannel

public SocketChannel getChannel(java.lang.String h)
                         throws java.io.IOException

Get a new socket channel to a given host.

Parameters:

h - hostname

Throws:

java.io.IOException

getChannel

public SocketChannel getChannel(java.lang.String h,
                                int p)
                         throws java.io.IOException

Get a new socket channel to a given host.

Parameters:

h - hostname

p - port

Throws:

java.io.IOException

run

public void run()

Run the servers accept() in an infinite loop.

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread

terminate

public void terminate()

Terminate the Channel Factory