org.apache.lucene.mockfile

Class FilterFileSystemProvider

java.lang.Object

java.nio.file.spi.FileSystemProvider

org.apache.lucene.mockfile.FilterFileSystemProvider

Direct Known Subclasses:

DisableFsyncFS, ExtrasFS, HandleTrackingFS, ShuffleFS, VerboseFS

public class FilterFileSystemProvider
extends FileSystemProvider

A FilterFileSystemProvider contains another FileSystemProvider, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.

Field Summary

Fields

Modifier and Type	Field and Description
protected FileSystemProvider	delegate The underlying FileSystemProvider.
protected FileSystem	fileSystem The underlying FileSystem instance.
protected String	scheme The URI scheme for this provider.

Constructor Summary

Constructors

Constructor and Description
FilterFileSystemProvider(String scheme, FileSystem delegateInstance) Construct a FilterFileSystemProvider indicated by the specified scheme and wrapping functionality of the provider of the specified base filesystem.
FilterFileSystemProvider(String scheme, FileSystemProvider delegate) Construct a FilterFileSystemProvider indicated by the specified scheme and wrapping functionality of the provider.

Method Summary

Methods

Modifier and Type	Method and Description
void	checkAccess(Path path, AccessMode... modes)
void	copy(Path source, Path target, CopyOption... options)
void	createDirectory(Path dir, FileAttribute<?>... attrs)
void	createLink(Path link, Path existing)
void	createSymbolicLink(Path link, Path target, FileAttribute<?>... attrs)
void	delete(Path path)
boolean	deleteIfExists(Path path)
<V extends FileAttributeView> V	getFileAttributeView(Path path, Class<V> type, LinkOption... options)
FileStore	getFileStore(Path path)
FileSystem	getFileSystem(URI uri)
Path	getPath(URI uri)
String	getScheme()
boolean	isHidden(Path path)
boolean	isSameFile(Path path, Path path2)
void	move(Path source, Path target, CopyOption... options)
AsynchronousFileChannel	newAsynchronousFileChannel(Path path, Set<? extends OpenOption> options, ExecutorService executor, FileAttribute<?>... attrs)
SeekableByteChannel	newByteChannel(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)
DirectoryStream<Path>	newDirectoryStream(Path dir, DirectoryStream.Filter<? super Path> filter)
FileChannel	newFileChannel(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)
FileSystem	newFileSystem(Path path, Map<String,?> env)
FileSystem	newFileSystem(URI uri, Map<String,?> env)
InputStream	newInputStream(Path path, OpenOption... options)
OutputStream	newOutputStream(Path path, OpenOption... options)
protected void	onClose() Override to trigger some behavior when the filesystem is closed.
<A extends BasicFileAttributes> A	readAttributes(Path path, Class<A> type, LinkOption... options)
Map<String,Object>	readAttributes(Path path, String attributes, LinkOption... options)
Path	readSymbolicLink(Path link)
void	setAttribute(Path path, String attribute, Object value, LinkOption... options)
protected Path	toDelegate(Path path)
String	toString()

Methods inherited from class java.nio.file.spi.FileSystemProvider

installedProviders

Methods inherited from class java.lang.Object

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

Field Detail

delegate

protected final FileSystemProvider delegate

The underlying FileSystemProvider.

fileSystem

protected FileSystem fileSystem

The underlying FileSystem instance.

scheme

protected final String scheme

The URI scheme for this provider.

Constructor Detail

FilterFileSystemProvider

public FilterFileSystemProvider(String scheme,
                        FileSystem delegateInstance)

Construct a FilterFileSystemProvider indicated by the specified scheme and wrapping functionality of the provider of the specified base filesystem.

Parameters:

scheme - URI scheme

delegateInstance - specified base filesystem.

FilterFileSystemProvider

public FilterFileSystemProvider(String scheme,
                        FileSystemProvider delegate)

Construct a FilterFileSystemProvider indicated by the specified scheme and wrapping functionality of the provider. You must set the singleton filesystem yourself.

Parameters:

scheme - URI scheme

delegate - specified base provider.

Method Detail

getScheme

public String getScheme()

Specified by:

getScheme in class FileSystemProvider

newFileSystem

public FileSystem newFileSystem(URI uri,
                       Map<String,?> env)
                         throws IOException

Specified by:

newFileSystem in class FileSystemProvider

Throws:

IOException

newFileSystem

public FileSystem newFileSystem(Path path,
                       Map<String,?> env)
                         throws IOException

Overrides:

newFileSystem in class FileSystemProvider

Throws:

IOException

getFileSystem

public FileSystem getFileSystem(URI uri)

Specified by:

getFileSystem in class FileSystemProvider

getPath

public Path getPath(URI uri)

Specified by:

getPath in class FileSystemProvider

createDirectory

public void createDirectory(Path dir,
                   FileAttribute<?>... attrs)
                     throws IOException

Specified by:

createDirectory in class FileSystemProvider

Throws:

IOException

delete

public void delete(Path path)
            throws IOException

Specified by:

delete in class FileSystemProvider

Throws:

IOException

copy

public void copy(Path source,
        Path target,
        CopyOption... options)
          throws IOException

Specified by:

copy in class FileSystemProvider

Throws:

IOException

move

public void move(Path source,
        Path target,
        CopyOption... options)
          throws IOException

Specified by:

move in class FileSystemProvider

Throws:

IOException

isSameFile

public boolean isSameFile(Path path,
                 Path path2)
                   throws IOException

Specified by:

isSameFile in class FileSystemProvider

Throws:

IOException

isHidden

public boolean isHidden(Path path)
                 throws IOException

Specified by:

isHidden in class FileSystemProvider

Throws:

IOException

getFileStore

public FileStore getFileStore(Path path)
                       throws IOException

Specified by:

getFileStore in class FileSystemProvider

Throws:

IOException

checkAccess

public void checkAccess(Path path,
               AccessMode... modes)
                 throws IOException

Specified by:

checkAccess in class FileSystemProvider

Throws:

IOException

getFileAttributeView

public <V extends FileAttributeView> V getFileAttributeView(Path path,
                                                   Class<V> type,
                                                   LinkOption... options)

Specified by:

getFileAttributeView in class FileSystemProvider

readAttributes

public <A extends BasicFileAttributes> A readAttributes(Path path,
                                               Class<A> type,
                                               LinkOption... options)
                                             throws IOException

Specified by:

readAttributes in class FileSystemProvider

Throws:

IOException

readAttributes

public Map<String,Object> readAttributes(Path path,
                                String attributes,
                                LinkOption... options)
                                  throws IOException

Specified by:

readAttributes in class FileSystemProvider

Throws:

IOException

setAttribute

public void setAttribute(Path path,
                String attribute,
                Object value,
                LinkOption... options)
                  throws IOException

Specified by:

setAttribute in class FileSystemProvider

Throws:

IOException

newInputStream

public InputStream newInputStream(Path path,
                         OpenOption... options)
                           throws IOException

Overrides:

newInputStream in class FileSystemProvider

Throws:

IOException

newOutputStream

public OutputStream newOutputStream(Path path,
                           OpenOption... options)
                             throws IOException

Overrides:

newOutputStream in class FileSystemProvider

Throws:

IOException

newFileChannel

public FileChannel newFileChannel(Path path,
                         Set<? extends OpenOption> options,
                         FileAttribute<?>... attrs)
                           throws IOException

Overrides:

newFileChannel in class FileSystemProvider

Throws:

IOException

newAsynchronousFileChannel

public AsynchronousFileChannel newAsynchronousFileChannel(Path path,
                                                 Set<? extends OpenOption> options,
                                                 ExecutorService executor,
                                                 FileAttribute<?>... attrs)
                                                   throws IOException

Overrides:

newAsynchronousFileChannel in class FileSystemProvider

Throws:

IOException

newByteChannel

public SeekableByteChannel newByteChannel(Path path,
                                 Set<? extends OpenOption> options,
                                 FileAttribute<?>... attrs)
                                   throws IOException

Specified by:

newByteChannel in class FileSystemProvider

Throws:

IOException

newDirectoryStream

public DirectoryStream<Path> newDirectoryStream(Path dir,
                                       DirectoryStream.Filter<? super Path> filter)
                                         throws IOException

Specified by:

newDirectoryStream in class FileSystemProvider

Throws:

IOException

createSymbolicLink

public void createSymbolicLink(Path link,
                      Path target,
                      FileAttribute<?>... attrs)
                        throws IOException

Overrides:

createSymbolicLink in class FileSystemProvider

Throws:

IOException

createLink

public void createLink(Path link,
              Path existing)
                throws IOException

Overrides:

createLink in class FileSystemProvider

Throws:

IOException

deleteIfExists

public boolean deleteIfExists(Path path)
                       throws IOException

Overrides:

deleteIfExists in class FileSystemProvider

Throws:

IOException

readSymbolicLink

public Path readSymbolicLink(Path link)
                      throws IOException

Overrides:

readSymbolicLink in class FileSystemProvider

Throws:

IOException

toDelegate

protected Path toDelegate(Path path)

onClose

protected void onClose()

Override to trigger some behavior when the filesystem is closed.

This is always called for each FilterFileSystemProvider in the chain.

toString

public String toString()

Overrides:

toString in class Object