org.apache.mina.core.file

类 DefaultFileRegion

java.lang.Object

org.apache.mina.core.file.DefaultFileRegion

所有已实现的接口:

FileRegion

直接已知子类:

FilenameFileRegion

public class DefaultFileRegion
extends java.lang.Object
implements FileRegion

TODO Add documentation

作者:

Apache MINA Project

构造器概要

构造器

构造器和说明
DefaultFileRegion(java.nio.channels.FileChannel channel)
DefaultFileRegion(java.nio.channels.FileChannel channel, long position, long remainingBytes)

方法概要

方法

限定符和类型	方法和说明
java.nio.channels.FileChannel	getFileChannel() The open FileChannel from which data will be read to send to remote host.
java.lang.String	getFilename() Provides an absolute filename for the underlying FileChannel.
long	getPosition() The current file position from which data will be read.
long	getRemainingBytes() The number of bytes remaining to be written from the file to the remote host.
long	getWrittenBytes() The total number of bytes already written.
void	update(long value) Updates the current file position based on the specified amount.

从类继承的方法 java.lang.Object

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

构造器详细资料

DefaultFileRegion

public DefaultFileRegion(java.nio.channels.FileChannel channel)
                  throws java.io.IOException

抛出:

java.io.IOException

DefaultFileRegion

public DefaultFileRegion(java.nio.channels.FileChannel channel,
                 long position,
                 long remainingBytes)

方法详细资料

getWrittenBytes

public long getWrittenBytes()

从接口复制的说明: FileRegion

The total number of bytes already written.

指定者:

getWrittenBytes 在接口中 FileRegion

返回:

The total number of bytes already written.

getRemainingBytes

public long getRemainingBytes()

从接口复制的说明: FileRegion

The number of bytes remaining to be written from the file to the remote host.

指定者:

getRemainingBytes 在接口中 FileRegion

返回:

The number of bytes remaining to be written.

getFileChannel

public java.nio.channels.FileChannel getFileChannel()

从接口复制的说明: FileRegion

The open FileChannel from which data will be read to send to remote host.

指定者:

getFileChannel 在接口中 FileRegion

返回:

An open FileChannel.

getPosition

public long getPosition()

从接口复制的说明: FileRegion

The current file position from which data will be read.

指定者:

getPosition 在接口中 FileRegion

返回:

The current file position.

update

public void update(long value)

从接口复制的说明: FileRegion

Updates the current file position based on the specified amount. This increases the value returned by FileRegion.getPosition() and FileRegion.getWrittenBytes() by the given amount and decreases the value returned by FileRegion.getRemainingBytes() by the given amount.

指定者:

update 在接口中 FileRegion

参数:

value - The new value for the file position.

getFilename

public java.lang.String getFilename()

从接口复制的说明: FileRegion

Provides an absolute filename for the underlying FileChannel.

指定者:

getFilename 在接口中 FileRegion

返回:

the absolute filename, or null if the FileRegion does not know the filename