Package de.terrestris.shoguncore.service

Class ImageFileService<E extends ImageFile,D extends ImageFileDao<E>>

java.lang.Object

de.terrestris.shoguncore.service.AbstractDaoService<E,D>

de.terrestris.shoguncore.service.AbstractCrudService<E,D>

de.terrestris.shoguncore.service.PermissionAwareCrudService<E,D>

de.terrestris.shoguncore.service.FileService<E,D>

de.terrestris.shoguncore.service.ImageFileService<E,D>

@Service("imageFileService")
public class ImageFileService<E extends ImageFile,D extends ImageFileDao<E>>
extends FileService<E,D>

Service class for the ImageFile model.

Author:

Daniel Koch, Johannes Weskamm

Field Summary

Fields inherited from class de.terrestris.shoguncore.service.PermissionAwareCrudService

permissionCollectionService

Fields inherited from class de.terrestris.shoguncore.service.AbstractDaoService

dao, logger

Constructor Summary

Constructors

Modifier	Constructor	Description
	ImageFileService()	Default constructor, which calls the type-constructor
protected	ImageFileService(Class<E> entityClass)	Constructor that sets the concrete entity class for the service.

Method Summary

Modifier and Type	Method	Description
E	saveImage(org.springframework.web.multipart.MultipartFile file, boolean createThumbnail, Integer thumbnailTargetSize)	Method persists a given Image as a bytearray in the database
static byte[]	scaleImage(byte[] imageBytes, String outputFormat, Integer targetSize)	Scales an image by the given dimensions
void	setDao(D dao)	We have to use Qualifier to define the correct dao here.
E	uploadFile(org.springframework.web.multipart.MultipartFile file)	Method persists a given MultipartFile as a bytearray in the database

Methods inherited from class de.terrestris.shoguncore.service.PermissionAwareCrudService

addAndSaveGroupPermissions, addAndSaveUserPermissions, findAllUserGroupPermissionsOfUserGroup, findAllUserPermissionsOfUser, getPermissionCollectionService, removeAndSaveGroupPermissions, removeAndSaveUserPermissions, setPermissionCollectionService

Methods inherited from class de.terrestris.shoguncore.service.AbstractCrudService

delete, findAll, findAllRestricted, findAllWhereFieldEquals, findAllWithCollectionContaining, findById, findBySimpleFilter, loadById, saveOrUpdate, updatePartialWithJsonNode

Methods inherited from class de.terrestris.shoguncore.service.AbstractDaoService

getDao, getEntityClass

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageFileService

public ImageFileService()

Default constructor, which calls the type-constructor

ImageFileService

protected ImageFileService(Class<E> entityClass)

Constructor that sets the concrete entity class for the service. Subclasses MUST call this constructor.

Method Detail

scaleImage

public static byte[] scaleImage(byte[] imageBytes,
                                String outputFormat,
                                Integer targetSize)
                         throws Exception

Scales an image by the given dimensions

Parameters:

outputFormat -

targetSize - width/height in px (square)

Throws:

Exception

setDao

@Autowired
@Qualifier("imageFileDao")
public void setDao(D dao)

We have to use Qualifier to define the correct dao here. Otherwise, spring can not decide which dao has to be autowired here as there are multiple candidates.

Overrides:

setDao in class FileService<E extends ImageFile,D extends ImageFileDao<E>>

Parameters:

dao - the dao to set

uploadFile

@PreAuthorize("isAuthenticated()")
public E uploadFile(org.springframework.web.multipart.MultipartFile file)
             throws Exception

Description copied from class: FileService

Method persists a given MultipartFile as a bytearray in the database

Overrides:

uploadFile in class FileService<E extends ImageFile,D extends ImageFileDao<E>>

Parameters:

file -

Throws:

Exception

saveImage

@PreAuthorize("isAuthenticated()")
public E saveImage(org.springframework.web.multipart.MultipartFile file,
                   boolean createThumbnail,
                   Integer thumbnailTargetSize)
            throws Exception

Method persists a given Image as a bytearray in the database

Parameters:

file -

createThumbnail -

thumbnailTargetSize -

Throws:

Exception