Package org.imageconverter.application

Class ImageConversionService

java.lang.Object

org.imageconverter.application.ImageConversionService

@Service
@Loggable
public class ImageConversionService
extends Object

Application service that execute conversion.

Author:

Fernando Romulo da Silva

Field Summary

Fields

Modifier and Type	Field	Description
static final String[]	HEADER_FILE

Method Summary

Modifier and Type	Method	Description
List<ImageConversionResponse>	convert(@NotNull @NotEmpty @Valid List<ImageConverterRequestInterface> requests)	Convert a list of image on text.
ImageConversionResponse	convert(@NotNull @Valid ImageConverterRequestInterface request)	Convert an image on text.
void	deleteImageConversion(@NotNull Long id)	Delete a conversion image.
List<ImageConversionResponse>	findAll()	Find all stored conversions or a empty list.
ImageConversionResponse	findById(@NotNull Long id)	Find a stored conversion by id.
org.springframework.data.domain.Page<ImageConversionResponse>	findBySpecification(org.springframework.data.jpa.domain.Specification<ImageConversion> spec, org.springframework.data.domain.Pageable page)	Find image conversions by spring specification
byte[]	findBySpecificationToCsv(org.springframework.data.jpa.domain.Specification<ImageConversion> spec)	Create a CSV file based on the result filtered by the spec

Methods inherited from class java.lang.Object

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

Field Details

HEADER_FILE

public static final String[] HEADER_FILE

Method Details

convert

@Transactional
public ImageConversionResponse convert(@NotNull @Valid
 @NotNull @Valid ImageConverterRequestInterface request)

Convert an image on text.

Parameters:

request - A image (ImageConverterRequest or ImageConverterRequestArea) that it'll be convert

Returns:

A ImageConversionResponse with the conversion

Throws:

ElementAlreadyExistsException - if image (file name) has already converted

convert

@Transactional
public List<ImageConversionResponse> convert(@NotNull @NotEmpty @Valid
 @NotNull @NotEmpty @Valid List<ImageConverterRequestInterface> requests)

Convert a list of image on text.

Parameters:

request - A image (ImageConverterRequest or ImageConverterRequestArea) that it'll be convert

Returns:

A ImageConversionResponse with the conversion

Throws:

ElementAlreadyExistsException - if image (file name) has already converted

deleteImageConversion

@Transactional
public void deleteImageConversion(@NotNull
 @NotNull Long id)

Delete a conversion image.

Parameters:

id - The image type's id

Throws:

ElementNotFoundException - if conversion (id) doesn't exists

findAll

@Transactional(readOnly=true)
public List<ImageConversionResponse> findAll()

Find all stored conversions or a empty list.

Returns:

A list of ImageConversionResponse or a empty list

findById

@Transactional(readOnly=true)
public ImageConversionResponse findById(@NotNull
 @NotNull Long id)

Find a stored conversion by id.

Parameters:

id - The image conversion's id

Returns:

A ImageConversionResponse object

Throws:

ElementNotFoundException - if a element with id not found

findBySpecification

@Transactional(readOnly=true)
public org.springframework.data.domain.Page<ImageConversionResponse> findBySpecification(org.springframework.data.jpa.domain.Specification<ImageConversion> spec,
 org.springframework.data.domain.Pageable page)

Find image conversions by spring specification

Parameters:

spec - The query specification, a Specification object

pageable - The query page control, a Pageable object

Returns:

A ImageConversionResponse's list with result or a empty list

Throws:

ElementInvalidException - if a specification is invalid

findBySpecificationToCsv

@Transactional(readOnly=true)
public byte[] findBySpecificationToCsv(org.springframework.data.jpa.domain.Specification<ImageConversion> spec)

Create a CSV file based on the result filtered by the spec

Parameters:

spec - A Specification object, the query filter

Returns:

An array of bytes (file in memory)