org.apache.commons.vfs2.provider.compressed
Class CompressedFileFileSystem

java.lang.Object
  org.apache.commons.vfs2.provider.AbstractVfsComponent
      org.apache.commons.vfs2.provider.AbstractFileSystem
          org.apache.commons.vfs2.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.

Author:

Commons VFS team

Constructor Summary

protected

CompressedFileFileSystem(FileName rootName, FileObject parentLayer, FileSystemOptions fileSystemOptions)

Method Summary

protected abstract void	addCapabilities(java.util.Collection<Capability> caps) Returns the capabilities of this file system.
protected abstract FileObject	createFile(AbstractFileName name) Creates a file object.
void	init() Initialises this component.

Methods inherited from class org.apache.commons.vfs2.provider.AbstractFileSystem

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

Methods inherited from class org.apache.commons.vfs2.provider.AbstractVfsComponent

getContext, getLogger, setContext, setLogger

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.commons.vfs2.FileSystem

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

Constructor Detail

CompressedFileFileSystem

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

Method Detail

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 - if an error occurs.

addCapabilities

protected abstract void addCapabilities(java.util.Collection<Capability> caps)

Returns the capabilities of this file system.

Specified by:

addCapabilities in class AbstractFileSystem

createFile

protected abstract FileObject createFile(AbstractFileName name)
                                  throws FileSystemException

Creates a file object.

Specified by:

createFile in class AbstractFileSystem

Throws:

FileSystemException