cz.vity.freerapid.core.tasks
Class DownloadTask

java.lang.Object
  org.jdesktop.swingworker.SwingWorker<T,V>
      org.jdesktop.application.Task<T,V>
          cz.vity.freerapid.core.tasks.CoreTask<Void,Long>
              cz.vity.freerapid.core.tasks.DownloadTask

All Implemented Interfaces:

HttpFileDownloadTask, Runnable, Future<Void>

Direct Known Subclasses:

DownloadNewPluginsTask, RunCheckTask

public class DownloadTask
extends CoreTask<Void,Long>
implements HttpFileDownloadTask

Author:

Vity

Nested Class Summary

Nested classes/interfaces inherited from class org.jdesktop.application.Task

org.jdesktop.application.Task.BlockingScope, org.jdesktop.application.Task.InputBlocker

Nested classes/interfaces inherited from class org.jdesktop.swingworker.SwingWorker

org.jdesktop.swingworker.SwingWorker.StateValue

Field Summary

protected HttpDownloadClient	client
protected DownloadFile	downloadFile
protected File	outputFile
protected ShareDownloadService	service
protected File	storeFile

Fields inherited from class cz.vity.freerapid.core.tasks.CoreTask

inputBlocker

Constructor Summary

DownloadTask(org.jdesktop.application.Application application)

DownloadTask(org.jdesktop.application.Application application, HttpDownloadClient client, DownloadFile downloadFile, ShareDownloadService service)

Method Summary

protected void	cancelled()
protected Void	doInBackground()
protected void	error(Throwable cause)
protected void	failed(Throwable cause)
HttpDownloadClient	getClient() Client associated with current file - its HTTP connections are used to grab a file
HttpFile	getDownloadFile() Returns file that is given to be downloaded
protected OutputStream	getFileOutputStream(File f, long fileSize)
DownloadTaskError	getServiceError()
int	getYouHaveToSleepSecondsTime()
protected int	checkExists()
protected void	init()
protected void	initBackground()
protected void	initDownloadThread()
protected void	interrupted(InterruptedException e)
boolean	isTerminated() Checks whether current downloading process has been stopped
void	saveToFile(InputStream inputStream) Method that handles direct saving file onto physical disc.
protected void	setAverageSpeed(float avgSpeed)
protected void	setDownloaded(long counter)
protected void	setDownloadFile(DownloadFile downloadFile)
protected void	setFileErrorMessage(Throwable cause)
protected void	setSleep(int sleep)
protected void	setSpeed(long speedInBytes)
void	sleep(int seconds) Sets file download state to WAITING.
protected void	succeeded(Void result)
protected void	updateFileState(Throwable cause, boolean connectError)
protected boolean	useTemporaryFiles()

Methods inherited from class cz.vity.freerapid.core.tasks.CoreTask

getMainFrame, getTaskResourceMap, handleRuntimeException, postMessage, setTaskToForeground

Methods inherited from class org.jdesktop.application.Task

addTaskListener, done, finished, getApplication, getContext, getDescription, getExecutionDuration, getInputBlocker, getMessage, getMessageDuration, getResourceMap, getTaskListeners, getTaskService, getTitle, getUserCanCancel, isPending, isProgressPropertyValid, isStarted, message, process, removeTaskListener, resourceName, setDescription, setInputBlocker, setMessage, setProgress, setProgress, setProgress, setTitle, setUserCanCancel

Methods inherited from class org.jdesktop.swingworker.SwingWorker

addPropertyChangeListener, cancel, execute, firePropertyChange, get, get, getProgress, getPropertyChangeSupport, getState, isCancelled, isDone, publish, removePropertyChangeListener, run, setProgress

Methods inherited from class java.lang.Object

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

Field Detail

client

protected HttpDownloadClient client

downloadFile

protected DownloadFile downloadFile

service

protected ShareDownloadService service

outputFile

protected File outputFile

storeFile

protected File storeFile

Constructor Detail

DownloadTask

public DownloadTask(org.jdesktop.application.Application application)

DownloadTask

public DownloadTask(org.jdesktop.application.Application application,
                    HttpDownloadClient client,
                    DownloadFile downloadFile,
                    ShareDownloadService service)

Method Detail

init

protected void init()

doInBackground

protected Void doInBackground()
                       throws Exception

Specified by:

doInBackground in class org.jdesktop.swingworker.SwingWorker<Void,Long>

Throws:

Exception

initDownloadThread

protected void initDownloadThread()

getFileOutputStream

protected OutputStream getFileOutputStream(File f,
                                           long fileSize)
                                    throws NotEnoughSpaceException,
                                           IOException

Throws:

NotEnoughSpaceException

IOException

initBackground

protected void initBackground()

isTerminated

public boolean isTerminated()

Description copied from interface: HttpFileDownloadTask

Checks whether current downloading process has been stopped

Specified by:

isTerminated in interface HttpFileDownloadTask

Returns:

true if downloading of the file was interrupted

saveToFile

public void saveToFile(InputStream inputStream)
                throws Exception

Description copied from interface: HttpFileDownloadTask

Method that handles direct saving file onto physical disc. file download state is set to COMPLETED automatically

Specified by:

saveToFile in interface HttpFileDownloadTask

Parameters:

inputStream - - Http response stream, which contains data to be saved on the disk - should not be null

Throws:

Exception - Error during writing or if inputStream is null

useTemporaryFiles

protected boolean useTemporaryFiles()

cancelled

protected void cancelled()

Overrides:

cancelled in class org.jdesktop.application.Task<Void,Long>

setSpeed

protected void setSpeed(long speedInBytes)

setSleep

protected void setSleep(int sleep)

setDownloaded

protected void setDownloaded(long counter)

setAverageSpeed

protected void setAverageSpeed(float avgSpeed)

failed

protected void failed(Throwable cause)

Overrides:

failed in class CoreTask<Void,Long>

updateFileState

protected void updateFileState(Throwable cause,
                               boolean connectError)

error

protected void error(Throwable cause)

setFileErrorMessage

protected void setFileErrorMessage(Throwable cause)

interrupted

protected void interrupted(InterruptedException e)

Overrides:

interrupted in class org.jdesktop.application.Task<Void,Long>

succeeded

protected void succeeded(Void result)

Overrides:

succeeded in class org.jdesktop.application.Task<Void,Long>

checkExists

protected int checkExists()
                   throws InvocationTargetException,
                          InterruptedException

Throws:

InvocationTargetException

InterruptedException

sleep

public void sleep(int seconds)
           throws InterruptedException

Description copied from interface: HttpFileDownloadTask

Sets file download state to WAITING. Stops download thread for given time.

Specified by:

sleep in interface HttpFileDownloadTask

Parameters:

seconds - time to sleep

Throws:

InterruptedException - if the thread was interrupted during sleeping

getDownloadFile

public HttpFile getDownloadFile()

Description copied from interface: HttpFileDownloadTask

Returns file that is given to be downloaded

Specified by:

getDownloadFile in interface HttpFileDownloadTask

Returns:

file for downloading

getClient

public HttpDownloadClient getClient()

Description copied from interface: HttpFileDownloadTask

Client associated with current file - its HTTP connections are used to grab a file

Specified by:

getClient in interface HttpFileDownloadTask

Returns:

actual instance of HttpDownloadClient

getServiceError

public DownloadTaskError getServiceError()

getYouHaveToSleepSecondsTime

public int getYouHaveToSleepSecondsTime()

setDownloadFile

protected void setDownloadFile(DownloadFile downloadFile)