Package formflow.library.file

Class FileValidationService

java.lang.Object

formflow.library.file.FileValidationService

@Service
public class FileValidationService
extends Object

This service is intended to help with miscellaneous file things. This service will help with checking mime types, both proper mime-type names like "image/jpeg" and with file extensions. The current list of accepted file mime-types are:

• .bmp : image/bmp
• .doc : application/msword"
• .docx : application/vnd.openxmlformats-officedocument.wordprocessingml.document
• .gif : image/gif
• .jpeg : image/jpeg
• .jpg : image/jpeg
• .pdf : application/pdf
• .png : image/png
• .odp : application/vnd.oasis.opendocument.presentation
• .ods : application/vnd.oasis.opendocument.spreadsheet
• .odt : application/vnd.oasis.opendocument.text

Field Summary

Fields

Modifier and Type	Field	Description
static final long	MB_IN_BYTES

Constructor Summary

Constructors

Constructor	Description
FileValidationService(String userProvidedFileTypes, Integer maxFileSize)

Method Summary

Modifier and Type	Method	Description
String	acceptedFileTypes()	Provides the list of acceptable file types the system accepts in a string form, like so: ".bmp,.jpg"
List<String>	getAcceptableFileExts()	Returns the list of file extensions the system accepts: ".bmp, .doc"
Long	getMaxFileSizeInMb()
Boolean	isAcceptedMimeType(org.springframework.web.multipart.MultipartFile file)	Returns True if the file is of the appropriate mime type for the system setup.
boolean	isTooLarge(org.springframework.web.multipart.MultipartFile file)

Methods inherited from class java.lang.Object

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

Field Details

MB_IN_BYTES

public static final long MB_IN_BYTES

See Also:

• Constant Field Values

Constructor Details

FileValidationService

public FileValidationService(@Value("${form-flow.uploads.accepted-file-types:\'\'}")
 String userProvidedFileTypes,
 @Value("${form-flow.uploads.max-file-size}")
 Integer maxFileSize)

Method Details

getAcceptableFileExts

public List<String> getAcceptableFileExts()

Returns the list of file extensions the system accepts: ".bmp, .doc"

Returns:

List of strings containing the acceptable file extensions for the system

isAcceptedMimeType

public Boolean isAcceptedMimeType(org.springframework.web.multipart.MultipartFile file)

Returns True if the file is of the appropriate mime type for the system setup. This takes into account the configuration set in the application's configuration.

Parameters:

file - the file to check the mime type of

Returns:

Boolean True if the mimetype is one of the ones the system accepts, False otherwise.

acceptedFileTypes

public String acceptedFileTypes()

Provides the list of acceptable file types the system accepts in a string form, like so: ".bmp,.jpg"

Returns:

String a string containing a list of acceptable file extensions: ".bmp,.jpg"

isTooLarge

public boolean isTooLarge(org.springframework.web.multipart.MultipartFile file)

getMaxFileSizeInMb

public Long getMaxFileSizeInMb()