Class CompressedFileFileSystem

java.lang.Object

org.apache.commons.vfs.provider.AbstractVfsComponent

org.apache.commons.vfs.provider.AbstractFileSystem

org.apache.commons.vfs.provider.compressed.CompressedFileFileSystem

All Implemented Interfaces:

FileSystem, VfsComponent

Direct Known Subclasses:

Bzip2FileSystem, GzipFileSystem

public abstract class CompressedFileFileSystem
extends AbstractFileSystem
implements FileSystem

A read-only file system for compressed files.

Version:

$Revision: 480428 $ $Date: 2006-11-29 07:15:24 +0100 (Wed, 29 Nov 2006) $

Author:

Mario Ivankovits

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	CompressedFileFileSystem(FileName rootName, FileObject parentLayer, FileSystemOptions fileSystemOptions)

Method Summary

Modifier and Type	Method	Description
protected abstract void	addCapabilities(Collection caps)	Returns the capabilities of this file system.
protected abstract FileObject	createFile(FileName name)	Creates a file object.
void	init()	Initialises this component.

Methods inherited from class AbstractFileSystem

addJunction, addListener, close, closeCommunicationLink, decorateFileObject, doCloseCommunicationLink, doReplicateFile, fireFileChanged, fireFileCreated, fireFileDeleted, getAttribute, getFileFromCache, getFileSystemManager, getFileSystemOptions, getLastModTimeAccuracy, getParentLayer, getRoot, getRootName, hasCapability, isOpen, isReleaseable, notifyAllStreamsClosed, putFileToCache, removeFileFromCache, removeJunction, removeListener, replicateFile, resolveFile, resolveFile, setAttribute

Methods inherited from class AbstractVfsComponent

getContext, getLogger, setContext, setLogger

Methods inherited from class Object

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

Methods inherited from interface FileSystem

addJunction, addListener, getAttribute, getFileSystemManager, getFileSystemOptions, getLastModTimeAccuracy, getParentLayer, getRoot, getRootName, hasCapability, removeJunction, removeListener, replicateFile, resolveFile, resolveFile, setAttribute

Constructor Details

CompressedFileFileSystem

protected CompressedFileFileSystem(FileName rootName,
 FileObject parentLayer,
 FileSystemOptions fileSystemOptions)
                            throws FileSystemException

Throws:

FileSystemException

Method Details

init

public void init()
          throws FileSystemException

Description copied from class: AbstractFileSystem

Initialises this component.

Specified by:

init in interface VfsComponent

Overrides:

init in class AbstractFileSystem

Throws:

FileSystemException

addCapabilities

protected abstract void addCapabilities(Collection caps)

Returns the capabilities of this file system.

Specified by:

addCapabilities in class AbstractFileSystem

createFile

protected abstract FileObject createFile(FileName name)
                                  throws FileSystemException

Creates a file object.

Specified by:

createFile in class AbstractFileSystem

Throws:

FileSystemException