com.microej.kf.util.control.fs

Class SetLengthRandomAccessFile

java.lang.Object

com.microej.kf.util.control.fs.SetLengthRandomAccessFile

public class SetLengthRandomAccessFile
extends Object

Action performed when setting the length of a RandomAccessFile.

Constructor Summary

Constructors

Constructor and Description
SetLengthRandomAccessFile(RandomAccessFile file, long newLength) Creates a write file action.

Method Summary

Modifier and Type	Method and Description
long	getNbBytes() Gets the number of bytes to write.
void	onEnd(boolean endWithSuccess) Called when the execution of the action is finished.
void	onStart() Called when the execution of the action is about to start.

Methods inherited from class java.lang.Object

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

Constructor Detail

SetLengthRandomAccessFile

public SetLengthRandomAccessFile(RandomAccessFile file,
                                 long newLength)
                          throws IOException

Creates a write file action.

Parameters:

file - the file to write.

newLength - the new length to set.

Throws:

IOException - if an error occurs while accessing the file.

Method Detail

getNbBytes

public long getNbBytes()

Gets the number of bytes to write.

Returns:

the number of bytes to write.

onEnd

public void onEnd(boolean endWithSuccess)

Called when the execution of the action is finished. This hook is used to update the current resources state of the module that performs the action.

Parameters:

endWithSuccess - true if the execution of the action was ended with success; false otherwise.

onStart

public void onStart()
             throws SecurityException

Called when the execution of the action is about to start. This hook is used to check if the action is allowed to be performed.

Throws:

SecurityException - if the action is not allowed to be performed.