Package org.apache.commons.vfs2.provider

Interface FileProvider

All Known Subinterfaces:

LocalFileProvider

All Known Implementing Classes:

AbstractFileProvider, AbstractLayeredFileProvider, AbstractOriginatingFileProvider, Bzip2FileProvider, CompositeFileProvider, CompressedFileFileProvider, DefaultLocalFileProvider, FtpFileProvider, GzipFileProvider, Http4FileProvider, Http4sFileProvider, HttpFileProvider, HttpsFileProvider, JarFileProvider, RamFileProvider, ResourceFileProvider, SftpFileProvider, TarFileProvider, Tbz2FileProvider, TemporaryFileProvider, TgzFileProvider, UrlFileProvider, ZipFileProvider

public interface FileProvider

A file provider. Each file provider is responsible for handling files for a particular URI scheme.

A file provider may also implement VfsComponent.

Method Summary

Modifier and Type	Method	Description
FileObject	createFileSystem(java.lang.String scheme, FileObject file, FileSystemOptions fileSystemOptions)	Creates a layered file system.
FileObject	findFile(FileObject baseFile, java.lang.String uri, FileSystemOptions fileSystemOptions)	Locates a file object, by absolute URI.
java.util.Collection<Capability>	getCapabilities()	Gets the file system capabilities.
FileSystemConfigBuilder	getConfigBuilder()	Gets the configbuilder usable to collect the needed fileSystemOptions.
FileName	parseUri(FileName root, java.lang.String uri)	Parses the URI into a FileName.

Method Detail

createFileSystem

FileObject createFileSystem(java.lang.String scheme,
                            FileObject file,
                            FileSystemOptions fileSystemOptions)
                     throws FileSystemException

Creates a layered file system.

Parameters:

scheme - The URI scheme for the layered file system.

file - The file to build the file system on.

fileSystemOptions - The FileSystemOptions.

Returns:

A FileObject in the file system.

Throws:

FileSystemException - if an error occurs.

findFile

FileObject findFile(FileObject baseFile,
                    java.lang.String uri,
                    FileSystemOptions fileSystemOptions)
             throws FileSystemException

Locates a file object, by absolute URI.

Parameters:

baseFile - The base file to use for resolving the individual parts of a compound URI.

uri - The absolute URI of the file to find.

fileSystemOptions - The FileSystemOptions

Returns:

The FileObject.

Throws:

FileSystemException - if an error occurs locating the file.

getCapabilities

java.util.Collection<Capability> getCapabilities()

Gets the file system capabilities.

These are the same as on the file system, but available before the first file system was instantiated.

Returns:

a Collection of the file systems Capabilities.

getConfigBuilder

FileSystemConfigBuilder getConfigBuilder()

Gets the configbuilder usable to collect the needed fileSystemOptions.

Returns:

a FileSystemConfigBuilder for the particular file system.

parseUri

FileName parseUri(FileName root,
                  java.lang.String uri)
           throws FileSystemException

Parses the URI into a FileName.

Parameters:

root - The base FileName.

uri - The file to be accessed.

Returns:

A FileName representing the target file.

Throws:

FileSystemException - if an error occurs.