com.lf.vfslib.s3

Class S3FileSystem

java.lang.Object

org.apache.commons.vfs2.provider.AbstractVfsComponent

org.apache.commons.vfs2.provider.AbstractFileSystem

com.lf.vfslib.s3.S3FileSystem

All Implemented Interfaces:

org.apache.commons.vfs2.FileSystem, org.apache.commons.vfs2.provider.VfsComponent

public class S3FileSystem
extends org.apache.commons.vfs2.provider.AbstractFileSystem
implements org.apache.commons.vfs2.FileSystem

Represents the files hosted by Amazon® S3.

Since:

1.6

Version:

$Revision: 1.1 $, $Date: 2013/10/17 17:49:51 $

Author:

Axel Schwolow

Field Summary

Fields

Modifier and Type	Field and Description
protected S3FileProvider	provider The file provider.
protected VFSLib	vfsLib The parental object.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	S3FileSystem(org.apache.commons.vfs2.provider.GenericFileName rootName, org.apache.commons.vfs2.FileSystemOptions options, VFSLib vfslib, S3FileProvider provider) The constructor method for this file system.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addCapabilities(java.util.Collection<org.apache.commons.vfs2.Capability> caps) Adds the capabilities of this file system.
protected org.apache.commons.vfs2.FileObject	createFile(org.apache.commons.vfs2.provider.AbstractFileName name) Creates a file object.
protected S3ClientWrapper	getClient() Returns a Amazon® S3 client to the server.
double	getLastModTimeAccuracy() Last mod time is only a int and in seconds, thus can be off by 999.
VFSLib	getVFSLib() Provides the VFSLib instance for this filesystem.
protected void	putClient(S3ClientWrapper client) Returns a Amazon® S3 client to the pool.

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

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

Field Detail

vfsLib

protected VFSLib vfsLib

The parental object.

provider

protected S3FileProvider provider

The file provider.

Constructor Detail

S3FileSystem

protected S3FileSystem(org.apache.commons.vfs2.provider.GenericFileName rootName,
            org.apache.commons.vfs2.FileSystemOptions options,
            VFSLib vfslib,
            S3FileProvider provider)

The constructor method for this file system.

Parameters:

rootName - The root name

options - The file system options

vfslib - The parental object, shared instance if null

provider - The file provider

Since:

1.6

Method Detail

getClient

protected S3ClientWrapper getClient()
                             throws java.io.IOException

Returns a Amazon® S3 client to the server.

Returns:

The client

Throws:

java.io.IOException - If an I/O error occurs

Since:

1.6

putClient

protected void putClient(S3ClientWrapper client)

Returns a Amazon® S3 client to the pool.

Parameters:

client - The client

Since:

1.6

addCapabilities

protected void addCapabilities(java.util.Collection<org.apache.commons.vfs2.Capability> caps)

Adds the capabilities of this file system.

Specified by:

addCapabilities in class org.apache.commons.vfs2.provider.AbstractFileSystem

Parameters:

caps - The capabilities

Since:

1.6

createFile

protected org.apache.commons.vfs2.FileObject createFile(org.apache.commons.vfs2.provider.AbstractFileName name)
                                                 throws org.apache.commons.vfs2.FileSystemException

Creates a file object.

This method is called only if the requested. File is not cached.

Specified by:

createFile in class org.apache.commons.vfs2.provider.AbstractFileSystem

Parameters:

name - The capabilities

Returns:

The file object

Throws:

org.apache.commons.vfs2.FileSystemException

Since:

1.6

getLastModTimeAccuracy

public double getLastModTimeAccuracy()

Last mod time is only a int and in seconds, thus can be off by 999.

Specified by:

getLastModTimeAccuracy in interface org.apache.commons.vfs2.FileSystem

Overrides:

getLastModTimeAccuracy in class org.apache.commons.vfs2.provider.AbstractFileSystem

Returns:

1000

Since:

1.6

getVFSLib

public VFSLib getVFSLib()

Provides the VFSLib instance for this filesystem.

Returns:

The instance

Since:

1.6