org.tranche.httpd
Class SocketHandler

java.lang.Object
  java.lang.Thread
      org.tranche.httpd.SocketHandler

All Implemented Interfaces:

java.lang.Runnable, IFileResources

public class SocketHandler
extends java.lang.Thread
implements IFileResources

This class services the next socket from the queue. From the HTTP request it looksup the appropriate AbstractHttpHandler. It then initializes the state of the handler. Currently on HTTP-GET is supported.

Author:

TPapoulias

Nested Class Summary

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

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

Field Summary

static boolean	DEBUG Debug flag reserved for midium level of stdout vebrocity.
static boolean	DEBUG_VERBOSE Debug flag reserver for a higher level of stdout vebrocity.
static boolean	ECHO Flag for debugging an input stream.
static int	READ_AHEAD Size to be used in marking an input stream.

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Fields inherited from interface org.tranche.httpd.IFileResources

HTTP_PAGE_DIRECTORY, HTTP_PROPERTIES_DIRECTORY, HTTP_RESPONSE_MESSAGES_PROP_FILE, LOCALE

Constructor Summary

SocketHandler(Queue queue, int threadNumber)
Constructor

Method Summary

void	dropConnection() Cleans up any streams to the sockets and sets the working state to false.
void	finilize() Drops connections if this object is about to be deleted.
boolean	isWorking() Getter method for isWorking attribute.
void	killThread() Sets the isRunning variable to false.
void	run() The main loop of this thread is acomplished.
protected void	sendError(HttpConstant errorNumber, java.lang.String errorDetails) Helper method for reporting any errors.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, 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, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

public static final boolean DEBUG

Debug flag reserved for midium level of stdout vebrocity.

See Also:

Constant Field Values

DEBUG_VERBOSE

public static final boolean DEBUG_VERBOSE

Debug flag reserver for a higher level of stdout vebrocity.

See Also:

Constant Field Values

ECHO

public static final boolean ECHO

Flag for debugging an input stream. Usually used to activate a block of code that marks an input stream.

See Also:

Constant Field Values

READ_AHEAD

public static final int READ_AHEAD

Size to be used in marking an input stream.

See Also:

Constant Field Values

Constructor Detail

SocketHandler

public SocketHandler(Queue queue,
                     int threadNumber)

Constructor

Parameters:

queue - Reference to the queue to look for sockets to service

threadNumber - The thread number assigned by the calling object to this object

Method Detail

finilize

public void finilize()

Drops connections if this object is about to be deleted.

run

public void run()

The main loop of this thread is acomplished. The next socket from the queue is retrieved and a call to handle() is made to accomplish the request.

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread

isWorking

public boolean isWorking()

Getter method for isWorking attribute. Calling objects can assess if this thread is actively handling a socket request.

Returns:

killThread

public void killThread()

Sets the isRunning variable to false. Used by calling objects to kill this thread.

dropConnection

public void dropConnection()

Cleans up any streams to the sockets and sets the working state to false.

sendError

protected void sendError(HttpConstant errorNumber,
                         java.lang.String errorDetails)
                  throws java.io.IOException

Helper method for reporting any errors. It reports errors to the browser and stderr.

Parameters:

errorNumber - The HTTP error number.

errorDetails - A description of the error

Throws:

java.io.IOException