org.restlet.engine.local
Class Entity

java.lang.Object
  org.restlet.engine.local.Entity

Direct Known Subclasses:

FileEntity, ZipEntryEntity

public abstract class Entity
extends Object

Represents a local entity, for example a regular file or a directory.

Author:

Thierry Boileau, Jerome Louvel

Constructor Summary

Entity(MetadataService metadataService)
Constructor.

Method Summary

abstract boolean	exists() Indicates if the entity does exist.
String	getBaseName() Return the base name of this entity that is to say the longest part of the name without known extensions (beginning from the left).
static String	getBaseName(String name, MetadataService metadataService) Return the base name that is to say the longest part of a given name without known extensions (beginning from the left).
abstract List<Entity>	getChildren() Returns the list of contained entities if the current entity is a directory, null otherwise.
Collection<String>	getExtensions() Returns the list of known extensions.
static Collection<String>	getExtensions(String name, MetadataService metadataService) Returns the list of known extensions taken from a given entity name.
static Collection<String>	getExtensions(Variant variant, MetadataService metadataService) Returns the list of known extensions taken from a given variant.
MetadataService	getMetadataService() Returns the metadata service to use.
abstract String	getName() Returns the name.
abstract Entity	getParent() Returns the parent directory (if any).
abstract Representation	getRepresentation(MediaType defaultMediaType, int timeToLive) Returns a representation of this local entity.
Variant	getVariant() Returns a variant corresponding to the extensions of this entity.
abstract boolean	isDirectory() Indicates if the entity is a directory.
abstract boolean	isNormal() Indicates if the entity is a normal entity, especially if it is not a directory.
static void	updateMetadata(String entryName, Variant variant, boolean applyDefault, MetadataService metadataService) Updates some variant metadata based on a given entry name with extensions.

Methods inherited from class java.lang.Object

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

Constructor Detail

Entity

public Entity(MetadataService metadataService)

Constructor.

Parameters:

metadataService - The metadata service to use.

Method Detail

getBaseName

public static String getBaseName(String name,
                                 MetadataService metadataService)

Return the base name that is to say the longest part of a given name without known extensions (beginning from the left).

Parameters:

name - The given name.

metadataService - Service that holds the known extensions.

Returns:

The base name of this entity.

getExtensions

public static Collection<String> getExtensions(String name,
                                               MetadataService metadataService)

Returns the list of known extensions taken from a given entity name.

Parameters:

name - the given name.

metadataService - Service that holds the known extensions.

Returns:

The list of known extensions taken from the entity name.

getExtensions

public static Collection<String> getExtensions(Variant variant,
                                               MetadataService metadataService)

Returns the list of known extensions taken from a given variant.

Parameters:

variant - the given variant.

metadataService - Service that holds the known extensions.

Returns:

The list of known extensions taken from the variant.

updateMetadata

public static void updateMetadata(String entryName,
                                  Variant variant,
                                  boolean applyDefault,
                                  MetadataService metadataService)

Updates some variant metadata based on a given entry name with extensions.

Parameters:

entryName - The entry name with extensions.

variant - The variant to update.

applyDefault - Indicate if default metadata must be applied.

metadataService - The parent metadata service.

exists

public abstract boolean exists()

Indicates if the entity does exist.

Returns:

True if the entity does exists.

getBaseName

public String getBaseName()

Return the base name of this entity that is to say the longest part of the name without known extensions (beginning from the left).

Returns:

The base name of this entity.

getChildren

public abstract List<Entity> getChildren()

Returns the list of contained entities if the current entity is a directory, null otherwise.

Returns:

The list of contained entities.

getExtensions

public Collection<String> getExtensions()

Returns the list of known extensions.

Returns:

The list of known extensions taken from the entity name.

getMetadataService

public MetadataService getMetadataService()

Returns the metadata service to use.

Returns:

The metadata service to use.

getName

public abstract String getName()

Returns the name.

Returns:

The name.

getParent

public abstract Entity getParent()

Returns the parent directory (if any).

Returns:

The parent directory, null otherwise.

getRepresentation

public abstract Representation getRepresentation(MediaType defaultMediaType,
                                                 int timeToLive)

Returns a representation of this local entity.

Returns:

A representation of this entity.

getVariant

public Variant getVariant()

Returns a variant corresponding to the extensions of this entity.

Returns:

A variant corresponding to the extensions of this entity.

isDirectory

public abstract boolean isDirectory()

Indicates if the entity is a directory.

Returns:

True if the entity is a directory.

isNormal

public abstract boolean isNormal()

Indicates if the entity is a normal entity, especially if it is not a directory.

Returns:

True if the entity is a normal entity.

See Also:

File.isFile(), File.isDirectory()