oracle.javatools.filesystem

Class FileSystemImpl<FileObject>

java.lang.Object

java.nio.file.FileSystem

oracle.javatools.filesystem.FileSystemImpl<FileObject>

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Direct Known Subclasses:

BufferFileSystem, StorageFileSystem

public class FileSystemImpl<FileObject>
extends java.nio.file.FileSystem

Basic FileSystem implementation.

Since:

13.0.0.1.0

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	closed
protected FileSystemProviderImpl	provider

Constructor Summary

Constructors

Constructor and Description
FileSystemImpl(FileSystemProviderImpl provider) Create a new BufferFileSystem.

Method Summary

Modifier and Type	Method and Description
void	close()
FileObject	getFileObject(PathImpl path) Get the FileObject associated with the given PathImpl.
java.lang.Iterable<java.nio.file.FileStore>	getFileStores()
PathImpl	getPath(java.lang.String first, java.lang.String... more)
java.nio.file.PathMatcher	getPathMatcher(java.lang.String syntaxAndPattern)
java.lang.Iterable<java.nio.file.Path>	getRootDirectories()
java.lang.String	getSeparator()
java.nio.file.attribute.UserPrincipalLookupService	getUserPrincipalLookupService()
boolean	isOpen()
boolean	isReadOnly()
java.nio.file.WatchService	newWatchService()
FileSystemProviderImpl	provider()
FileObject	putFileObject(PathImpl path, FileObject fileObject) Associate a FileObject with the given PathImpl.
java.util.Set<java.lang.String>	supportedFileAttributeViews()

Methods inherited from class java.lang.Object

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

Field Detail

provider

protected FileSystemProviderImpl provider

closed

protected boolean closed

Constructor Detail

FileSystemImpl

public FileSystemImpl(FileSystemProviderImpl provider)

Create a new BufferFileSystem.

Parameters:

provider - The provider associated with this FileSystem

Throws:

java.lang.IllegalArgumentException - if provider is null

Method Detail

provider

public FileSystemProviderImpl provider()

Specified by:

provider in class java.nio.file.FileSystem

Returns:

The associated FileSystemProviderImpl

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in class java.nio.file.FileSystem

Throws:

java.io.IOException

isOpen

public boolean isOpen()

Specified by:

isOpen in class java.nio.file.FileSystem

Returns:

True if open

isReadOnly

public boolean isReadOnly()

Specified by:

isReadOnly in class java.nio.file.FileSystem

Returns:

Always return false

getSeparator

public final java.lang.String getSeparator()

Specified by:

getSeparator in class java.nio.file.FileSystem

Returns:

Always returns "/"

getRootDirectories

public java.lang.Iterable<java.nio.file.Path> getRootDirectories()

Specified by:

getRootDirectories in class java.nio.file.FileSystem

Returns:

The root directories which might be an empty Collection

getFileStores

public java.lang.Iterable<java.nio.file.FileStore> getFileStores()

Specified by:

getFileStores in class java.nio.file.FileSystem

Returns:

Always returns null

supportedFileAttributeViews

public java.util.Set<java.lang.String> supportedFileAttributeViews()

Specified by:

supportedFileAttributeViews in class java.nio.file.FileSystem

Returns:

A Set containing the "basic" AttributeView name

getPathMatcher

public java.nio.file.PathMatcher getPathMatcher(java.lang.String syntaxAndPattern)

Specified by:

getPathMatcher in class java.nio.file.FileSystem

Throws:

java.lang.UnsupportedOperationException

getUserPrincipalLookupService

public java.nio.file.attribute.UserPrincipalLookupService getUserPrincipalLookupService()

Specified by:

getUserPrincipalLookupService in class java.nio.file.FileSystem

Throws:

java.lang.UnsupportedOperationException

newWatchService

public java.nio.file.WatchService newWatchService()
                                           throws java.io.IOException

Specified by:

newWatchService in class java.nio.file.FileSystem

Throws:

java.lang.UnsupportedOperationException

java.io.IOException

getPath

public PathImpl getPath(java.lang.String first,
                        java.lang.String... more)

Specified by:

getPath in class java.nio.file.FileSystem

Parameters:

first - The first part of the path

more - Zero or more subsequent parts of the path

Throws:

java.lang.IllegalArgumentException - if fileSystem or first is null or empty

java.nio.file.InvalidPathException - if the path contains whitespace characters

java.nio.file.ClosedFileSystemException - if this FileSystem has been closed

See Also:

PathImpl.PathImpl(FileSystem, String, String...)}

getFileObject

public FileObject getFileObject(PathImpl path)

Get the FileObject associated with the given PathImpl.

Parameters:

path - A PathImpl

Returns:

A FileObject or null

putFileObject

public FileObject putFileObject(PathImpl path,
                                FileObject fileObject)
                         throws java.io.IOException

Associate a FileObject with the given PathImpl.

Parameters:

path - A PathImpl

fileObject - A FileObject

Returns:

the previoud FileObject associated with the PathImpl, if any

Throws:

java.io.IOException - if an IOException occurred

java.lang.IllegalArgumentException - if path is null or path is a directory