Class JimfsFileSystemProvider

java.lang.Object

java.nio.file.spi.FileSystemProvider

com.google.common.jimfs.JimfsFileSystemProvider

final class JimfsFileSystemProvider
extends FileSystemProvider

FileSystemProvider implementation for Jimfs. This provider implements the actual file system operations but does not handle creation, caching or lookup of file systems. See SystemJimfsFileSystemProvider, which is the META-INF/services/ entry for Jimfs, for those operations.

Field Summary

Fields

Modifier and Type	Field	Description
private static final JimfsFileSystemProvider	INSTANCE
private static final FileAttribute<?>[]	NO_ATTRS

Constructor Summary

Constructors

Constructor	Description
JimfsFileSystemProvider()

Method Summary

Modifier and Type	Method	Description
void	checkAccess(Path path, AccessMode... modes)
private static JimfsPath	checkPath(Path path)
private void	copy(Path source, Path target, com.google.common.collect.ImmutableSet<CopyOption> options, boolean move)
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)
private static FileSystemView	getDefaultView(JimfsPath path)	Returns the default file system view for the given path.
<V extends FileAttributeView> @Nullable V	getFileAttributeView(Path path, Class<V> type, LinkOption... options)
FileStore	getFileStore(Path path)
FileSystem	getFileSystem(URI uri)
private static JimfsFileSystem	getFileSystem(Path path)	Gets the file system for the given path.
Path	getPath(URI uri)
String	getScheme()
(package private) static JimfsFileSystemProvider	instance()	Returns the singleton instance of this provider.
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, @Nullable 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(URI uri, Map<String,?> env)
FileSystem	newFileSystem(Path path, Map<String,?> env)
InputStream	newInputStream(Path path, OpenOption... options)
private JimfsFileChannel	newJimfsFileChannel(JimfsPath path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)
OutputStream	newOutputStream(Path path, OpenOption... options)
<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)

Methods inherited from class FileSystemProvider

deleteIfExists, exists, installedProviders, readAttributesIfExists

Methods inherited from class Object

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

Field Details

INSTANCE

private static final JimfsFileSystemProvider INSTANCE

NO_ATTRS

private static final FileAttribute<?>[] NO_ATTRS

Constructor Details

JimfsFileSystemProvider

JimfsFileSystemProvider()

Method Details

instance

static JimfsFileSystemProvider instance()

Returns the singleton instance of this provider.

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

getFileSystem

private static JimfsFileSystem getFileSystem(Path path)

Gets the file system for the given path.

getPath

public Path getPath(URI uri)

Specified by:

getPath in class FileSystemProvider

checkPath

private static JimfsPath checkPath(Path path)

getDefaultView

private static FileSystemView getDefaultView(JimfsPath path)

Returns the default file system view for the given path.

newFileChannel

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

Overrides:

newFileChannel in class FileSystemProvider

Throws:

IOException

newJimfsFileChannel

private JimfsFileChannel newJimfsFileChannel(JimfsPath path,
 Set<? extends OpenOption> options,
 FileAttribute<?>... attrs)
                                      throws IOException

Throws:

IOException

newByteChannel

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

Specified by:

newByteChannel in class FileSystemProvider

Throws:

IOException

newAsynchronousFileChannel

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

Overrides:

newAsynchronousFileChannel 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

newDirectoryStream

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

Specified by:

newDirectoryStream in class FileSystemProvider

Throws:

IOException

createDirectory

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

Specified by:

createDirectory in class FileSystemProvider

Throws:

IOException

createLink

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

Overrides:

createLink in class FileSystemProvider

Throws:

IOException

createSymbolicLink

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

Overrides:

createSymbolicLink in class FileSystemProvider

Throws:

IOException

readSymbolicLink

public Path readSymbolicLink(Path link)
                      throws IOException

Overrides:

readSymbolicLink 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

copy

private void copy(Path source,
 Path target,
 com.google.common.collect.ImmutableSet<CopyOption> options,
 boolean move)
           throws IOException

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> @Nullable 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