com.facebook.buck.core.filesystems

Class BuckFileSystem

java.lang.Object

java.nio.file.FileSystem

com.facebook.buck.core.filesystems.BuckFileSystem

All Implemented Interfaces:

Closeable, AutoCloseable

public class BuckFileSystem
extends FileSystem

File system implementation that returns memory footprint optimized Path object. It delegates other calls to Java-default file system.

Constructor Summary

Constructors

Constructor and Description
BuckFileSystem(BuckFileSystemProvider provider, String defaultDirectory) Create a new filesystem that returns Path object optimized for memory usage

Method Summary

Modifier and Type	Method and Description
void	close()
Iterable<FileStore>	getFileStores()
Path	getPath(String first, String... more)
Path	getPathFromSegmentsUnsafe(String[] segments) Construct a path object from given segments without and validation or postprocessing.
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

Constructor Detail

BuckFileSystem

public BuckFileSystem(BuckFileSystemProvider provider,
                      String defaultDirectory)

Create a new filesystem that returns Path object optimized for memory usage

Parameters:

provider - File system provider that created this filesystem

defaultDirectory - The directory to use when constructing absolute paths out of relative paths, usually this is a user directory

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

getPathFromSegmentsUnsafe

public Path getPathFromSegmentsUnsafe(String[] segments)

Construct a path object from given segments without and validation or postprocessing.

This function is only used for implementation of ForwardRelativePath and must not be used elsewhere.

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