us.fihgu.toolbox.http

Class FileContext

java.lang.Object

us.fihgu.toolbox.http.HTTPContext

us.fihgu.toolbox.http.FileContext

All Implemented Interfaces:

IReleasable

public class FileContext
extends HTTPContext
implements IReleasable

Constructor Summary

Constructors

Constructor and Description
FileContext(java.nio.file.Path path)

Method Summary

Modifier and Type	Method and Description
AccessPoint	aquireAccess() Open an new access point, register and return it.
long	getSize()
long	read(java.nio.channels.SocketChannel channel, long position) read as much bytes as possible, from the resource to the given channel.
void	removeAccessPoint(AccessPoint accessPoint) release a registered accessPoint.

Methods inherited from class us.fihgu.toolbox.http.HTTPContext

getPath

Methods inherited from class java.lang.Object

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

Constructor Detail

FileContext

public FileContext(java.nio.file.Path path)

Method Detail

getSize

public long getSize()

Specified by:

getSize in class HTTPContext

read

public long read(java.nio.channels.SocketChannel channel,
                 long position)
          throws java.io.IOException

Description copied from class: HTTPContext

read as much bytes as possible, from the resource to the given channel.

Specified by:

read in class HTTPContext

Parameters:

channel - the channel to write to

position - the beginning position to read, inclusive.

Returns:

the number of bytes actually read

Throws:

java.io.IOException

aquireAccess

public AccessPoint aquireAccess()

Description copied from interface: IReleasable

Open an new access point, register and return it.
implementation should check and reconstruct the resource if needed.

Specified by:

aquireAccess in interface IReleasable

removeAccessPoint

public void removeAccessPoint(AccessPoint accessPoint)

Description copied from interface: IReleasable

release a registered accessPoint.
implementation should check if there is any accessPoint left, and release the resource accordingly.

Specified by:

removeAccessPoint in interface IReleasable