at.mug.iqm.core.util

Class DeleteFilesTask

java.lang.Object

javax.swing.SwingWorker<Boolean,Void>

at.mug.iqm.core.util.DeleteFilesTask

All Implemented Interfaces:

Runnable, Future<Boolean>, RunnableFuture<Boolean>

public class DeleteFilesTask
extends SwingWorker<Boolean,Void>

This class is responsible for deleting files in a specified directory. The directory can be either set using the constructor or the setter for the variable.

Author:

Philipp Kainz

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.SwingWorker

SwingWorker.StateValue

Field Summary

Fields

Modifier and Type	Field and Description
private static org.apache.log4j.Logger	logger
private String	userDirName

Constructor Summary

Constructors

Constructor and Description
DeleteFilesTask() This is the empty standard constructor.
DeleteFilesTask(String userDirName) This is the constructor, one can implicitly define the directory to be deleted.

Method Summary

Modifier and Type	Method and Description
boolean	deleteDirectory(File dir) This method deletes a directory all files and sub-directories by recursion.
void	deleteTemporaryUserData(File userTempDir) This method deletes all directories and files a specified directory.
protected Boolean	doInBackground()
String	getUserDirName()
void	setUserDirName(String userDirName)

Methods inherited from class javax.swing.SwingWorker

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

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static final org.apache.log4j.Logger logger

userDirName

private String userDirName

Constructor Detail

DeleteFilesTask

public DeleteFilesTask()

This is the empty standard constructor. The directory to be deleted has to be set either via setter method, or one calls explicitly the deleteTemporaryUserData(File) method.

DeleteFilesTask

public DeleteFilesTask(String userDirName)

This is the constructor, one can implicitly define the directory to be deleted.

Parameters:

userDirName -

Method Detail

doInBackground

protected Boolean doInBackground()
                          throws InterruptedException

Specified by:

doInBackground in class SwingWorker<Boolean,Void>

Throws:

InterruptedException

deleteTemporaryUserData

public void deleteTemporaryUserData(File userTempDir)

This method deletes all directories and files a specified directory. This method is used by ConfigManager.validateAndSetConfiguration() at application startup for cleaning the temporary directory.

Parameters:

userTempDir - - the name of the directory

deleteDirectory

public boolean deleteDirectory(File dir)

This method deletes a directory all files and sub-directories by recursion. Returns true if all deletions are successful. If a deletion fails, the method stops to delete and returns false. This method is used by deleteTemporaryUserData(File).

Parameters:

dir - - the directory to be (recursively) deleted

getUserDirName

public String getUserDirName()

Returns:

the userDirName

setUserDirName

public void setUserDirName(String userDirName)

Parameters:

userDirName - the userDirName to set