Class BasicAttributeProvider

java.lang.Object

com.google.common.jimfs.AttributeProvider

com.google.common.jimfs.BasicAttributeProvider

final class BasicAttributeProvider
extends AttributeProvider

Attribute provider that provides attributes common to all file systems, the BasicFileAttributeView ("basic" or no view prefix), and allows the reading of BasicFileAttributes.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	BasicAttributeProvider.Attributes	Implementation of BasicFileAttributes.
private static final class	BasicAttributeProvider.View	Implementation of BasicFileAttributeView.

Field Summary

Fields

Modifier and Type	Field	Description
private static final com.google.common.collect.ImmutableSet<String>	ATTRIBUTES

Constructor Summary

Constructors

Constructor	Description
BasicAttributeProvider()

Method Summary

Modifier and Type	Method	Description
Class<BasicFileAttributes>	attributesType()	Returns the type of file attributes object this provider supports, or null if it doesn't support reading its attributes as an object.
com.google.common.collect.ImmutableSet<String>	fixedAttributes()	Returns the set of attributes that are always available from this provider.
@Nullable Object	get(File file, String attribute)	Returns the value of the given attribute in the given file or null if the attribute is not supported by this provider.
String	name()	Returns the view name that's used to get attributes from this provider.
BasicFileAttributes	readAttributes(File file)	Reads this provider's attributes from the given file as an attributes object.
void	set(File file, String view, String attribute, Object value, boolean create)	Sets the value of the given attribute in the given file object.
BasicFileAttributeView	view(FileLookup lookup, com.google.common.collect.ImmutableMap<String, FileAttributeView> inheritedViews)	Returns a view of the file located by the given lookup callback.
Class<BasicFileAttributeView>	viewType()	Returns the type of the view interface that this provider supports.

Methods inherited from class AttributeProvider

attributes, checkNotCreate, checkType, defaultValues, inherits, invalidType, supports, unsettable

Methods inherited from class Object

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

Field Details

ATTRIBUTES

private static final com.google.common.collect.ImmutableSet<String> ATTRIBUTES

Constructor Details

BasicAttributeProvider

BasicAttributeProvider()

Method Details

name

public String name()

Description copied from class: AttributeProvider

Returns the view name that's used to get attributes from this provider.

Specified by:

name in class AttributeProvider

fixedAttributes

public com.google.common.collect.ImmutableSet<String> fixedAttributes()

Description copied from class: AttributeProvider

Returns the set of attributes that are always available from this provider.

Specified by:

fixedAttributes in class AttributeProvider

get

public @Nullable Object get(File file,
 String attribute)

Description copied from class: AttributeProvider

Returns the value of the given attribute in the given file or null if the attribute is not supported by this provider.

Specified by:

get in class AttributeProvider

set

public void set(File file,
 String view,
 String attribute,
 Object value,
 boolean create)

Description copied from class: AttributeProvider

Sets the value of the given attribute in the given file object. The create parameter indicates whether or not the value is being set upon creation of a new file via a user-provided FileAttribute.

Specified by:

set in class AttributeProvider

viewType

public Class<BasicFileAttributeView> viewType()

Description copied from class: AttributeProvider

Returns the type of the view interface that this provider supports.

Specified by:

viewType in class AttributeProvider

view

public BasicFileAttributeView view(FileLookup lookup,
 com.google.common.collect.ImmutableMap<String, FileAttributeView> inheritedViews)

Description copied from class: AttributeProvider

Returns a view of the file located by the given lookup callback. The given map contains the views inherited by this view.

Specified by:

view in class AttributeProvider

attributesType

public Class<BasicFileAttributes> attributesType()

Description copied from class: AttributeProvider

Returns the type of file attributes object this provider supports, or null if it doesn't support reading its attributes as an object.

Overrides:

attributesType in class AttributeProvider

readAttributes

public BasicFileAttributes readAttributes(File file)

Description copied from class: AttributeProvider

Reads this provider's attributes from the given file as an attributes object.

Overrides:

readAttributes in class AttributeProvider