Module org.cryptomator.frontend.fuse

Package org.cryptomator.frontend.fuse

Class ReadOnlyFileHandler

java.lang.Object

org.cryptomator.frontend.fuse.ReadOnlyFileHandler

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

ReadWriteFileHandler

public class ReadOnlyFileHandler
extends Object
implements Closeable

Field Summary

Fields

Modifier and Type	Field	Description
protected final OpenFileFactory	openFiles

Constructor Summary

Constructors

Constructor	Description
ReadOnlyFileHandler(OpenFileFactory openFiles)

Method Summary

Modifier and Type	Method	Description
void	close()
int	getattr(Path node, BasicFileAttributes attrs, org.cryptomator.jfuse.api.Stat stat)
protected long	open(Path path, Set<StandardOpenOption> openOptions)
void	open(Path path, org.cryptomator.jfuse.api.FileInfo fi)
int	read(ByteBuffer buf, long size, long offset, org.cryptomator.jfuse.api.FileInfo fi)	Reads up to num bytes beginning at offset into buf
void	release(org.cryptomator.jfuse.api.FileInfo fi)	Closes the channel identified by the given fileHandle

Methods inherited from class java.lang.Object

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

Field Details

openFiles

protected final OpenFileFactory openFiles

Constructor Details

ReadOnlyFileHandler

public ReadOnlyFileHandler(OpenFileFactory openFiles)

Method Details

open

public void open(Path path,
 org.cryptomator.jfuse.api.FileInfo fi)
          throws IOException

Throws:

IOException

open

protected long open(Path path,
 Set<StandardOpenOption> openOptions)
             throws AccessDeniedException,
IOException

Parameters:

path - path of the file to open

openOptions - file open options

Returns:

file handle used to identify and close open files.

Throws:

AccessDeniedException - Thrown if the requested openOptions are not supported

IOException

read

public int read(ByteBuffer buf,
 long size,
 long offset,
 org.cryptomator.jfuse.api.FileInfo fi)
         throws IOException

Reads up to num bytes beginning at offset into buf

Parameters:

buf - Buffer

size - Number of bytes to read

offset - Position of first byte to read

fi - contains the file handle

Returns:

Actual number of bytes read (can be less than size if reached EOF).

Throws:

ClosedChannelException - If no open file could be found for the given file handle

IOException

release

public void release(org.cryptomator.jfuse.api.FileInfo fi)
             throws IOException

Closes the channel identified by the given fileHandle

Parameters:

fi - contains the file handle

Throws:

ClosedChannelException - If no channel for the given fileHandle has been found.

IOException

getattr

public int getattr(Path node,
 BasicFileAttributes attrs,
 org.cryptomator.jfuse.api.Stat stat)

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException