org.apache.ftpserver.filesystem.nativefs.impl

Class NativeFtpFile

java.lang.Object

org.apache.ftpserver.filesystem.nativefs.impl.NativeFtpFile

All Implemented Interfaces:

FtpFile

public class NativeFtpFile
extends Object
implements FtpFile

Internal class, do not use directly. This class wraps native file object.

Author:

Apache MINA Project

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	NativeFtpFile(String fileName, File file, User user) Constructor, internal do not use directly.

Method Summary

Modifier and Type	Method and Description
InputStream	createInputStream(long offset) Create input stream for reading.
OutputStream	createOutputStream(long offset) Create output stream for writing.
boolean	delete() Delete file.
boolean	doesExist() Does this file exists?
boolean	equals(Object obj) Implements equals by comparing getCanonicalPath() for the underlying file instabnce.
String	getAbsolutePath() Get full name.
String	getGroupName() Get group name
long	getLastModified() Get last modified time.
int	getLinkCount() Get link count
String	getName() Get short name.
String	getOwnerName() Get file owner.
File	getPhysicalFile() Get the physical file object.
long	getSize() Get file size.
int	hashCode()
boolean	isDirectory() Is it a directory?
boolean	isFile() Is it a file?
boolean	isHidden() Is a hidden file?
boolean	isReadable() Check read permission.
boolean	isRemovable() Has delete permission.
boolean	isWritable() Check file write permission.
List<FtpFile>	listFiles() List files.
boolean	mkdir() Create directory.
boolean	move(FtpFile dest) Move file object.
boolean	setLastModified(long time) Set the last modified time stamp of a file.

Methods inherited from class java.lang.Object

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

Constructor Detail

NativeFtpFile

protected NativeFtpFile(String fileName,
                        File file,
                        User user)

Constructor, internal do not use directly.

Method Detail

getAbsolutePath

public String getAbsolutePath()

Get full name.

Specified by:

getAbsolutePath in interface FtpFile

Returns:

a path where the path separator is '/' (even if the operating system uses another character as path separator).

getName

public String getName()

Get short name.

Specified by:

getName in interface FtpFile

Returns:

the last part of the file path (the part after the last '/').

isHidden

public boolean isHidden()

Is a hidden file?

Specified by:

isHidden in interface FtpFile

Returns:

true if the FtpFile is hidden

isDirectory

public boolean isDirectory()

Is it a directory?

Specified by:

isDirectory in interface FtpFile

Returns:

true if the FtpFile is a directory

isFile

public boolean isFile()

Is it a file?

Specified by:

isFile in interface FtpFile

Returns:

true if the FtpFile is a file, false if it is a directory

doesExist

public boolean doesExist()

Does this file exists?

Specified by:

doesExist in interface FtpFile

Returns:

true if the FtpFile exists

getSize

public long getSize()

Get file size.

Specified by:

getSize in interface FtpFile

Returns:

The size of the FtpFile in bytes

getOwnerName

public String getOwnerName()

Get file owner.

Specified by:

getOwnerName in interface FtpFile

Returns:

The name of the owner of the FtpFile

getGroupName

public String getGroupName()

Get group name

Specified by:

getGroupName in interface FtpFile

Returns:

The name of the group that owns the FtpFile

getLinkCount

public int getLinkCount()

Get link count

Specified by:

getLinkCount in interface FtpFile

Returns:

The number of links for the FtpFile

getLastModified

public long getLastModified()

Get last modified time.

Specified by:

getLastModified in interface FtpFile

Returns:

The timestamp of the last modified time for the FtpFile

setLastModified

public boolean setLastModified(long time)

Set the last modified time stamp of a file.

Specified by:

setLastModified in interface FtpFile

Parameters:

time - The last modified time, in milliseconds since the epoch. See File#setLastModified(long).

Returns:

true if and only if the operation succeeded; false otherwise

isReadable

public boolean isReadable()

Check read permission.

Specified by:

isReadable in interface FtpFile

Returns:

true if the FtpFile is readable by the user

isWritable

public boolean isWritable()

Check file write permission.

Specified by:

isWritable in interface FtpFile

Returns:

true if the FtpFile is writable by the user

isRemovable

public boolean isRemovable()

Has delete permission.

Specified by:

isRemovable in interface FtpFile

Returns:

true if the FtpFile is removable by the user

delete

public boolean delete()

Delete file.

Specified by:

delete in interface FtpFile

Returns:

true if the operation was successful

move

public boolean move(FtpFile dest)

Move file object.

Specified by:

move in interface FtpFile

Parameters:

dest - The target FtpFile to move the current FtpFile to

Returns:

true if the operation was successful

mkdir

public boolean mkdir()

Create directory.

Specified by:

mkdir in interface FtpFile

Returns:

true if the operation was successful

getPhysicalFile

public File getPhysicalFile()

Get the physical file object.

Specified by:

getPhysicalFile in interface FtpFile

Returns:

the physical location or path of the file.

listFiles

public List<FtpFile> listFiles()

List files. If not a directory or does not exist, null will be returned.

Specified by:

listFiles in interface FtpFile

Returns:

The List of FtpFiles

createOutputStream

public OutputStream createOutputStream(long offset)
                                throws IOException

Create output stream for writing.

Specified by:

createOutputStream in interface FtpFile

Parameters:

offset - The number of bytes at where to start writing. If the file is not random accessible, any offset other than zero will throw an exception.

Returns:

An OutputStream used to write to the FtpFile

Throws:

IOException

createInputStream

public InputStream createInputStream(long offset)
                              throws IOException

Create input stream for reading.

Specified by:

createInputStream in interface FtpFile

Parameters:

offset - The number of bytes of where to start reading. If the file is not random accessible, any offset other than zero will throw an exception.

Returns:

An InputStream used to read the FtpFile

Throws:

IOException

equals

public boolean equals(Object obj)

Implements equals by comparing getCanonicalPath() for the underlying file instabnce. Ignores the fileName and User fields

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object