net.metanotion.io
Class MountingFileSystem

java.lang.Object
  net.metanotion.io.MountingFileSystem

All Implemented Interfaces:

FileSystem, JFileSystem

public final class MountingFileSystem
extends Object
implements JFileSystem

FileSystem to attach other filesystems to mount points. Special considerations renaming files copying files mkdir mkdirs Also delete and createNewFile should not work in the "undelegated" section of the tree.

Constructor Summary

MountingFileSystem()

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.
void	mount(String path, JFileSystem fs)
InputStream	openInput(File f) Get an input stream to read a file.
InputStream	openJInput(File f) Get a Java intput stream to write a file.
OutputStream	openJOutput(File f) Get a Java output stream to write a file.
RandomAccessFile	openJRandomAccess(File f) Get a random access to read and write 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.
JFileSystem	unmount(String path)

Methods inherited from class java.lang.Object

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

Constructor Detail

MountingFileSystem

public MountingFileSystem()

Method Detail

addListener

public void addListener(FileSystemListener fsl)

Description copied from interface: FileSystem

Add a listener to this file system.

Specified by:

addListener in interface FileSystem

Parameters:

fsl - FileSystemListner to call back.

addListener

public void addListener(FileSystemListener fsl,
                        File root)

Description copied from interface: FileSystem

Add a listener to this file system.

Specified by:

addListener in interface FileSystem

Parameters:

fsl - FileSystemListner to call back

root - File or directory to specifically watch.

addListener

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

Description copied from interface: FileSystem

Add a listener to this file system.

Specified by:

addListener in interface FileSystem

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

public void removeListener(FileSystemListener fsl)

Description copied from interface: FileSystem

Remove a listener to this file system.

Specified by:

removeListener in interface FileSystem

Parameters:

fsl - FileSystemListner to remove.

mount

public void mount(String path,
                  JFileSystem fs)

unmount

public JFileSystem unmount(String path)

getRoot

public File getRoot()

Description copied from interface: FileSystem

Get the root File object of this file system.

Specified by:

getRoot in interface FileSystem

Returns:

Root file.

getFile

public File getFile(String url)

Description copied from interface: FileSystem

Get the file corresponding to a url.

Specified by:

getFile in interface FileSystem

Parameters:

url - filename of the file or directory.

Returns:

File object corresponding to a url.

openInput

public InputStream openInput(File f)

Description copied from interface: FileSystem

Get an input stream to read a file.

Specified by:

openInput in interface FileSystem

Parameters:

f - File to open for reading.

Returns:

InputStream to read the file.

openOutput

public OutputStream openOutput(File f)

Description copied from interface: FileSystem

Get an output stream to write a file.

Specified by:

openOutput in interface FileSystem

Parameters:

f - File to open for writing.

Returns:

OutputStream to write the file.

openRandomAccess

public RandomAccess openRandomAccess(File f)

Description copied from interface: FileSystem

Open a file for reading and writing.

Specified by:

openRandomAccess in interface FileSystem

Parameters:

f - File to open.

Returns:

RandomAccess object to read and write the file.

openJInput

public InputStream openJInput(File f)

Description copied from interface: JFileSystem

Get a Java intput stream to write a file.

Specified by:

openJInput in interface JFileSystem

Parameters:

f - File to open for reading.

Returns:

InputStream to read the file.

openJOutput

public OutputStream openJOutput(File f)

Description copied from interface: JFileSystem

Get a Java output stream to write a file.

Specified by:

openJOutput in interface JFileSystem

Parameters:

f - File to open for writing.

Returns:

OutputStream to write the file.

openJRandomAccess

public RandomAccessFile openJRandomAccess(File f)

Description copied from interface: JFileSystem

Get a random access to read and write a file.

Specified by:

openJRandomAccess in interface JFileSystem

Parameters:

f - File to open.

Returns:

RandomAccessFile to read and write the file.