org.apache.avalon.excalibur.vfs
Class VFile

java.lang.Object
  |
  +--org.apache.avalon.excalibur.vfs.VFile

public final class VFile

extends java.lang.Object

File on virtual file system.

Author:

Peter Donald

Constructor Summary

protected	VFile(java.lang.String path, VFileSystem filesystem) Constructor for creating a directory entry.
protected	VFile(java.lang.String path, VFileSystem filesystem, java.lang.Object resource, VFileAccessor accessor) Constructor for creating a vfile.

Method Summary

java.io.InputStream	getInputStream()
java.lang.String	getName() Get name of file.
VFile	getParent()
java.lang.String	getPath() Get path to file.
long	getSize()
protected void	invalidate() Invalidate VFile and free all resources.
boolean	isDirectory()
boolean	isFile()
boolean	isValid()
VFile[]	list()
VFile[]	list(VFileFilter filter)

Methods inherited from class java.lang.Object

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

Constructor Detail

VFile

protected VFile(java.lang.String path,
                VFileSystem filesystem)

Constructor for creating a directory entry.

Parameters:

path - the path to directory

filesystem - the filesystem VFile belongs to

VFile

protected VFile(java.lang.String path,
                VFileSystem filesystem,
                java.lang.Object resource,
                VFileAccessor accessor)
         throws java.lang.IllegalArgumentException

Constructor for creating a vfile.

Parameters:

path - the path to directory

filesystem - the filesystem VFile belongs to

resource - resource represented by vfile. Must be non-null if accessor non-null.

accessor - accessor to access vfile. Must be non-null if resource non-null.

Throws:

java.lang.IllegalArgumentException - if an error occurs

Method Detail

getPath

public java.lang.String getPath()

Get path to file.

Returns:

the path to file

getName

public java.lang.String getName()

Get name of file.

Returns:

the name of file

getParent

public VFile getParent()
                throws java.io.IOException

list

public VFile[] list()
             throws java.io.IOException

list

public VFile[] list(VFileFilter filter)
             throws java.io.IOException

isDirectory

public boolean isDirectory()

isFile

public boolean isFile()

getSize

public long getSize()
             throws java.io.IOException

getInputStream

public java.io.InputStream getInputStream()
                                   throws java.io.IOException

isValid

public boolean isValid()

invalidate

protected void invalidate()

Invalidate VFile and free all resources.