Class TarFileSystem

java.lang.Object

org.apache.commons.vfs.provider.AbstractVfsComponent

org.apache.commons.vfs.provider.AbstractFileSystem

org.apache.commons.vfs.provider.tar.TarFileSystem

All Implemented Interfaces:

FileSystem, VfsComponent

public class TarFileSystem
extends AbstractFileSystem
implements FileSystem

A read-only file system for Tar files.

Version:

$Revision: 484648 $ $Date: 2006-12-08 17:18:36 +0100 (Fri, 08 Dec 2006) $

Author:

Adam Murdoch

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
protected void	addCapabilities(Collection caps)	Returns the capabilities of this file system.
protected FileObject	createFile(FileName name)	Creates a file object.
protected org.apache.commons.vfs.provider.tar.TarInputStream	createTarFile(File file)
protected TarFileObject	createTarFileObject(FileName name, org.apache.commons.vfs.provider.tar.TarEntry entry)
protected void	doCloseCommunicationLink()	Close the underlaying link used to access the files
InputStream	getInputStream(org.apache.commons.vfs.provider.tar.TarEntry entry)
protected org.apache.commons.vfs.provider.tar.TarInputStream	getTarFile()
void	init()	Initialises this component.
protected void	resetTarFile()

Methods inherited from class AbstractFileSystem

addJunction, addListener, close, closeCommunicationLink, decorateFileObject, 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

TarFileSystem

protected TarFileSystem(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

getInputStream

public InputStream getInputStream(org.apache.commons.vfs.provider.tar.TarEntry entry)
                           throws FileSystemException

Throws:

FileSystemException

resetTarFile

protected void resetTarFile()
                     throws FileSystemException

Throws:

FileSystemException

getTarFile

protected org.apache.commons.vfs.provider.tar.TarInputStream getTarFile()
                                                                 throws FileSystemException

Throws:

FileSystemException

createTarFileObject

protected TarFileObject createTarFileObject(FileName name,
 org.apache.commons.vfs.provider.tar.TarEntry entry)
                                     throws FileSystemException

Throws:

FileSystemException

createTarFile

protected org.apache.commons.vfs.provider.tar.TarInputStream createTarFile(File file)
                                                                    throws FileSystemException

Throws:

FileSystemException

doCloseCommunicationLink

protected void doCloseCommunicationLink()

Description copied from class: AbstractFileSystem

Close the underlaying link used to access the files

Overrides:

doCloseCommunicationLink in class AbstractFileSystem

addCapabilities

protected void addCapabilities(Collection caps)

Returns the capabilities of this file system.

Specified by:

addCapabilities in class AbstractFileSystem

createFile

protected FileObject createFile(FileName name)
                         throws FileSystemException

Creates a file object.

Specified by:

createFile in class AbstractFileSystem

Throws:

FileSystemException