Package com.mku.fs.drive.utils

Class FileExporter

java.lang.Object

com.mku.fs.drive.utils.FileExporter

Direct Known Subclasses:

AesFileExporter

public abstract class FileExporter
extends java.lang.Object

Exports IVirtualFile(s) from a VirtualDrive.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	FileExporter.FileExportOptions	File importer options

Constructor Summary

Constructors

Constructor	Description
FileExporter()

Method Summary

Modifier and Type	Method	Description
void	close()	Close exporter and release resources.
IFile	exportFile(IVirtualFile fileToExport, IFile exportDir)	Export a file from the drive to the external directory path
IFile	exportFile(IVirtualFile fileToExport, IFile exportDir, FileExporter.FileExportOptions options)	Export a file from the drive to the external directory path
protected abstract long	getMinimumPartSize(IVirtualFile file)	Get the minimum part of file that can be exported in parallel.
void	initialize(int bufferSize, int threads)	Initialize the exporter.
boolean	isRunning()	Check if export is running
protected abstract void	onPrepare(IVirtualFile sourceFile, boolean integrity)	Runs before export
void	stop()	Stop current export

Methods inherited from class java.lang.Object

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

Constructor Detail

FileExporter

public FileExporter()

Method Detail

onPrepare

protected abstract void onPrepare(IVirtualFile sourceFile,
                                  boolean integrity)
                           throws java.io.IOException

Runs before export

Parameters:

sourceFile - The file that will be imported

integrity - If integrity verification is enabled

Throws:

java.io.IOException - If there is a problem with the file preparation.

getMinimumPartSize

protected abstract long getMinimumPartSize(IVirtualFile file)
                                    throws java.io.IOException

Get the minimum part of file that can be exported in parallel.

Parameters:

file - The file

Returns:

The number of bytes

Throws:

java.io.IOException - If there was a problem calculating the size.

initialize

public void initialize(int bufferSize,
                       int threads)

Initialize the exporter.

Parameters:

bufferSize - The buffer size to use while exporting

threads - The number of parallel threads to run

isRunning

public boolean isRunning()

Check if export is running

Returns:

True if running

stop

public void stop()

Stop current export

exportFile

public IFile exportFile(IVirtualFile fileToExport,
                        IFile exportDir)
                 throws java.lang.Exception

Export a file from the drive to the external directory path

Parameters:

fileToExport - The file that will be exported

exportDir - The external directory the file will be exported to

Returns:

The exported file

Throws:

java.lang.Exception - Thrown if error occurs during export

exportFile

public IFile exportFile(IVirtualFile fileToExport,
                        IFile exportDir,
                        FileExporter.FileExportOptions options)
                 throws java.lang.Exception

Export a file from the drive to the external directory path

Parameters:

fileToExport - The file that will be exported

exportDir - The external directory the file will be exported to

options - The options

Returns:

The exported file

Throws:

java.lang.Exception - Thrown if error occurs during export

close

public void close()

Close exporter and release resources.