org.danilopianini.io

Class AbstractFileScanner

java.lang.Object

org.danilopianini.io.AbstractFileScanner

All Implemented Interfaces:

Runnable

public abstract class AbstractFileScanner
extends Object
implements Runnable

This abstract class represents a Runnable able to recursively scan the filesystem. For each File and Directory found, an abstract method is called. Implement it to give the FileScanner the behavior you want.

Field Summary

Fields

Modifier and Type	Field and Description
private File	file
private boolean	followH

Constructor Summary

Constructors

Constructor and Description
AbstractFileScanner(File f)
AbstractFileScanner(File f, boolean followHidden)

Method Summary

Modifier and Type	Method and Description
protected abstract void	exitDirectory(File directory) Called every time the scanner exits a directory.
protected abstract void	finish() This method is called as soon as the scanning ends.
protected abstract void	foundDirectory(File directory) This method is called each time a directory is found.
protected abstract void	foundFile(File f) This method is called each time a new file is found.
void	run()
protected void	scan(File f) This recursive method scans the filesystem.
protected abstract void	setup() This method is called before starting the scanning.

Methods inherited from class java.lang.Object

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

Field Detail

file

private final File file

followH

private final boolean followH

Constructor Detail

AbstractFileScanner

public AbstractFileScanner(File f)

Parameters:

f - the file or directory to start with

AbstractFileScanner

public AbstractFileScanner(File f,
                           boolean followHidden)

Parameters:

f - the file or directory to start with

followHidden - true if the scanner should walk through hidden folders

Method Detail

finish

protected abstract void finish()

This method is called as soon as the scanning ends.

foundDirectory

protected abstract void foundDirectory(File directory)

This method is called each time a directory is found.

Parameters:

directory - the directory which has been found

foundFile

protected abstract void foundFile(File f)

This method is called each time a new file is found.

Parameters:

f - the file which has been found

run

public void run()

Specified by:

run in interface Runnable

scan

protected void scan(File f)

This recursive method scans the filesystem.

Parameters:

f - The directory or file to start with

exitDirectory

protected abstract void exitDirectory(File directory)

Called every time the scanner exits a directory.

Parameters:

directory - the directory which has been scanned

setup

protected abstract void setup()

This method is called before starting the scanning.