net.metanotion.io
Interface FileSystem

All Known Subinterfaces:

JFileSystem

All Known Implementing Classes:

ChRootFileSystem, JavaFileSystem, JFileSystemAdapter, MountingFileSystem, RAMDiskFileSystem, S3FileSystem

public interface FileSystem

Abstract definition of a File System Object.

Method Summary

void	addListener(FileSystemListener fsl) Add a listener to this file system.
void	addListener(FileSystemListener fsl, File root) Add a listener to this file system.
void	addListener(FileSystemListener fsl, File root, boolean recursive) Add a listener to this file system.
File	getFile(String url) Get the file corresponding to a url.
File	getRoot() Get the root File object of this file system.
InputStream	openInput(File f) Get an input stream to read a file.
OutputStream	openOutput(File f) Get an output stream to write a file.
RandomAccess	openRandomAccess(File f) Open a file for reading and writing.
void	removeListener(FileSystemListener fsl) Remove a listener to this file system.

Method Detail

getRoot

File getRoot()

Get the root File object of this file system.

Returns:

Root file.

getFile

File getFile(String url)

Get the file corresponding to a url.

Parameters:

url - filename of the file or directory.

Returns:

File object corresponding to a url.

openInput

InputStream openInput(File f)

Get an input stream to read a file.

Parameters:

f - File to open for reading.

Returns:

InputStream to read the file.

openOutput

OutputStream openOutput(File f)

Get an output stream to write a file.

Parameters:

f - File to open for writing.

Returns:

OutputStream to write the file.

openRandomAccess

RandomAccess openRandomAccess(File f)

Open a file for reading and writing.

Parameters:

f - File to open.

Returns:

RandomAccess object to read and write the file.

addListener

void addListener(FileSystemListener fsl)

Add a listener to this file system.

Parameters:

fsl - FileSystemListner to call back.

addListener

void addListener(FileSystemListener fsl,
                 File root)

Add a listener to this file system.

Parameters:

fsl - FileSystemListner to call back

root - File or directory to specifically watch.

addListener

void addListener(FileSystemListener fsl,
                 File root,
                 boolean recursive)

Add a listener to this file system.

Parameters:

fsl - FileSystemListner to call back

root - File or directory to specifically watch.

recursive - If true, send events for all children of this file, if false, only events on this file.

removeListener

void removeListener(FileSystemListener fsl)

Remove a listener to this file system.

Parameters:

fsl - FileSystemListner to remove.