org.apache.lucene.mockfile

Class FilterFileSystem

java.lang.Object

java.nio.file.FileSystem

org.apache.lucene.mockfile.FilterFileSystem

All Implemented Interfaces:

Closeable, AutoCloseable

public class FilterFileSystem
extends FileSystem

A FilterFileSystem contains another FileSystem, 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 FileSystem	delegate The underlying FileSystem instance.
protected FilterFileSystemProvider	parent FileSystemProvider that created this FilterFileSystem

Constructor Summary

Constructors

Constructor and Description
FilterFileSystem(FilterFileSystemProvider parent, FileSystem delegate) Construct a FilterFileSystem based on the specified base filesystem.

Method Summary

Modifier and Type	Method and Description
void	close()
FileSystem	getDelegate() Returns the FileSystem we wrap.
Iterable<FileStore>	getFileStores()
FileSystemProvider	getParent() Returns the FilterFileSystemProvider sent to this on init.
Path	getPath(String first, String... more)
PathMatcher	getPathMatcher(String syntaxAndPattern)
Iterable<Path>	getRootDirectories()
String	getSeparator()
UserPrincipalLookupService	getUserPrincipalLookupService()
boolean	isOpen()
boolean	isReadOnly()
WatchService	newWatchService()
FileSystemProvider	provider()
Set<String>	supportedFileAttributeViews()

Methods inherited from class java.lang.Object

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

Field Detail

parent

protected final FilterFileSystemProvider parent

FileSystemProvider that created this FilterFileSystem

delegate

protected final FileSystem delegate

The underlying FileSystem instance.

Constructor Detail

FilterFileSystem

public FilterFileSystem(FilterFileSystemProvider parent,
                        FileSystem delegate)

Construct a FilterFileSystem based on the specified base filesystem.

Note that base filesystem is closed if this filesystem is closed, however the default filesystem provider will never be closed, it doesn't support that.

Parameters:

delegate - specified base channel.

Method Detail

provider

public FileSystemProvider provider()

Specified by:

provider in class FileSystem

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class FileSystem

Throws:

IOException

isOpen

public boolean isOpen()

Specified by:

isOpen in class FileSystem

isReadOnly

public boolean isReadOnly()

Specified by:

isReadOnly in class FileSystem

getSeparator

public String getSeparator()

Specified by:

getSeparator in class FileSystem

getRootDirectories

public Iterable<Path> getRootDirectories()

Specified by:

getRootDirectories in class FileSystem

getFileStores

public Iterable<FileStore> getFileStores()

Specified by:

getFileStores in class FileSystem

supportedFileAttributeViews

public Set<String> supportedFileAttributeViews()

Specified by:

supportedFileAttributeViews in class FileSystem

getPath

public Path getPath(String first,
                    String... more)

Specified by:

getPath in class FileSystem

getPathMatcher

public PathMatcher getPathMatcher(String syntaxAndPattern)

Specified by:

getPathMatcher in class FileSystem

getUserPrincipalLookupService

public UserPrincipalLookupService getUserPrincipalLookupService()

Specified by:

getUserPrincipalLookupService in class FileSystem

newWatchService

public WatchService newWatchService()
                             throws IOException

Specified by:

newWatchService in class FileSystem

Throws:

IOException

getDelegate

public FileSystem getDelegate()

Returns the FileSystem we wrap.

getParent

public FileSystemProvider getParent()

Returns the FilterFileSystemProvider sent to this on init.