Class FileHandler

java.lang.Object

de.xima.fc.handler.AMSApiHandler

de.xima.fc.handler.entity.GenericHandler

de.xima.fc.handler.file.FileHandler

All Implemented Interfaces:

IAPIHandler, IGenericHandler, IFileHandler, Serializable

public class FileHandler
extends GenericHandler
implements IFileHandler

The Class FileHandler.

Author:

XIMA MEDIA GmbH

See Also:

• Serialized Form

Field Summary

Fields inherited from class GenericHandler

LOG

Constructor Summary

Constructors

Constructor	Description
FileHandler()

Method Summary

Modifier and Type	Method	Description
<D extends IFileDataEntity<F>, F extends IKeyDependentFileEntity<E,D>, E extends IFileMapProviding<F,D>> byte[]	getUncachedFileData(UserContext uc, E entity, String fileKey)	Returns the file data of a file belonging to the given entity with the given file key.
<E extends IFileDataEntity<?>, T extends IFileProviding<?,E>> byte[]	getUncachedFileData(UserContext uc, Class<T> clazz, long id)
<E extends IFileDataEntity<?>, T extends IFileProviding<?,E>> byte[]	getUncachedFileData(UserContext uc, T entity)
<T extends IFileEntity<?,?>> byte[]	getUncachedFileEntityData(UserContext uc, T fileEntity)
<TFileMeta extends IFileMetaEntity<?,?>> byte[]	getUncachedFileEntityData(UserContext uc, TFileMeta fileEntity)	Returns the file data of the given file entity.
static <File extends IFileProviding<?,Data> & INameProviding, Data extends IFileDataEntity<?>> ETagResource<ByteArrayFile>	handleDataEntityRequest(IEntityContext ec, Class<Data> dataClass, File fileProviding, ETagRequest eTagRequest)
<E extends IFileDataEntity<?>, T extends IFileEntity<?,E>> T	updateFileData(UserContext uc, T entity, byte[] data)

Methods inherited from class GenericHandler

create, create, delete, delete, deleteBy, deleteById, deleteById, getAll, getAllBy, getAttributes, getAttributes, getBy, getById, getById, getById, getEntityRefs, getSingleAttributes, getSingleAttributes, resultTotalCount, serializableList, update, update

Methods inherited from class AMSApiHandler

getName

Methods inherited from class Object

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

Methods inherited from interface IAPIHandler

getName

Methods inherited from interface IGenericHandler

create, create, delete, delete, deleteBy, deleteById, deleteById, getAll, getAllBy, getAttributes, getAttributes, getBy, getById, getById, getById, getEntityRefs, getSingleAttributes, getSingleAttributes, resultTotalCount, update, update

Constructor Details

FileHandler

public FileHandler()

Method Details

getUncachedFileData

public <E extends IFileDataEntity<?>, T extends IFileProviding<?,E>>
byte[] getUncachedFileData(UserContext uc,
 Class<T> clazz,
 long id)

Specified by:

getUncachedFileData in interface IFileHandler

getUncachedFileData

public <E extends IFileDataEntity<?>, T extends IFileProviding<?,E>>
byte[] getUncachedFileData(UserContext uc,
 T entity)

Specified by:

getUncachedFileData in interface IFileHandler

getUncachedFileData

public <D extends IFileDataEntity<F>, F extends IKeyDependentFileEntity<E,D>, E extends IFileMapProviding<F,D>>
byte[] getUncachedFileData(UserContext uc,
 E entity,
 String fileKey)

Description copied from interface: IFileHandler

Returns the file data of a file belonging to the given entity with the given file key.

Specified by:

getUncachedFileData in interface IFileHandler

Type Parameters:

D - file data entity type

F - file entity type

E - file map providing base entity type

Parameters:

uc - user context for database transactions.

entity - that owns the file

fileKey - key identifying the file entity

Returns:

file data as a byte array of the request file.

updateFileData

public <E extends IFileDataEntity<?>, T extends IFileEntity<?,E>>
T updateFileData(UserContext uc,
 T entity,
 byte[] data)

Specified by:

updateFileData in interface IFileHandler

getUncachedFileEntityData

public <T extends IFileEntity<?,?>> byte[] getUncachedFileEntityData(UserContext uc,
 T fileEntity)

Specified by:

getUncachedFileEntityData in interface IFileHandler

getUncachedFileEntityData

public <TFileMeta extends IFileMetaEntity<?,?>>
byte[] getUncachedFileEntityData(UserContext uc,
 TFileMeta fileEntity)

Description copied from interface: IFileHandler

Returns the file data of the given file entity.

Specified by:

getUncachedFileEntityData in interface IFileHandler

Type Parameters:

TFileMeta - type of file entity.

Parameters:

uc - user context for database transactions.

fileEntity - that owns the file data.

Returns:

binary data of the file or null if no data exists

handleDataEntityRequest

public static <File extends IFileProviding<?,Data> & INameProviding, Data extends IFileDataEntity<?>>
ETagResource<ByteArrayFile> handleDataEntityRequest(IEntityContext ec,
 Class<Data> dataClass,
 File fileProviding,
 ETagRequest eTagRequest)