org.apache.aries.util.filesystem.impl
Class FileImpl

java.lang.Object
  org.apache.aries.util.filesystem.impl.FileImpl

All Implemented Interfaces:

IFile

Direct Known Subclasses:

DirectoryImpl

public class FileImpl
extends Object
implements IFile

An implementation of IFile that represents a java.io.File.

Field Summary

protected File	file This file in the file system
protected String	rootDir The name of the root directory of the file system
protected File	rootDirFile The root File in the file system

Constructor Summary

FileImpl(File f, File rootFile)

Method Summary

IDirectory	convert()
IDirectory	convertNested()
boolean	equals(Object obj)
long	getLastModified()
String	getName()
IDirectory	getParent()
IDirectory	getRoot()
long	getSize()
int	hashCode()
boolean	isDirectory()
boolean	isFile()
InputStream	open() The input stream returned by this method should always be closed after use.
String	toString()
URL	toURL()

Methods inherited from class java.lang.Object

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

Field Detail

rootDir

protected String rootDir

The name of the root directory of the file system

file

protected File file

This file in the file system

rootDirFile

protected File rootDirFile

The root File in the file system

Constructor Detail

FileImpl

public FileImpl(File f,
                File rootFile)

Parameters:

f - this file.

rootFile - the root of the vFS.

Method Detail

convert

public IDirectory convert()

Specified by:

convert in interface IFile

Returns:

if this is a directory return this as an IDirectory, otherwise return null.

getLastModified

public long getLastModified()

Specified by:

getLastModified in interface IFile

Returns:

the last modified date of the file.

getName

public String getName()

Specified by:

getName in interface IFile

Returns:

the name of the file relative to the root of the virtual FS. This will return a '/' separated path indepedent of underlying filesystem

getParent

public IDirectory getParent()

Specified by:

getParent in interface IFile

Returns:

returns the parent directory of this IFile, or null if this is the root.

getSize

public long getSize()

Specified by:

getSize in interface IFile

Returns:

the size of the file.

isDirectory

public boolean isDirectory()

Specified by:

isDirectory in interface IFile

Returns:

true iff this IFile is also an IDirectory

isFile

public boolean isFile()

Specified by:

isFile in interface IFile

Returns:

true iff this IFile is not an IDirectory

open

public InputStream open()
                 throws IOException

Description copied from interface: IFile

The input stream returned by this method should always be closed after use.

Specified by:

open in interface IFile

Returns:

An InputStream to read the file from.

Throws:

IOException

getRoot

public IDirectory getRoot()

Specified by:

getRoot in interface IFile

Returns:

the root of this file system.

toURL

public URL toURL()
          throws MalformedURLException

Specified by:

toURL in interface IFile

Returns:

a URL that can be used to get at this file at a later date.

Throws:

MalformedURLException

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

convertNested

public IDirectory convertNested()

Specified by:

convertNested in interface IFile

Returns:

if this is a directory or an archive, returns the opened IDirectory