Class: SimpleImagesDownloader::Validatable::MimeTypeValidator

Inherits:

Validator

• Object
• Validator
• SimpleImagesDownloader::Validatable::MimeTypeValidator

Extended by:

Forwardable

Defined in:

lib/simple_images_downloader/validatable/mime_type_validator.rb

Overview

MimeTypeValidator class Responsible for validating mime type of file

Examples:

SimpleImagesDownloader::MimeTypeValidator.new.validate({ path: './image.jpg', io: StringIO.new })

Instance Method Summary

• #validate(options) ⇒ Object

  Validates mime type of file.

Instance Method Details

#validate(options) ⇒ Object

Validates mime type of file. The mime types are taken from file Configuration

Parameters:

• options (Hash) —

  hash with path to file and io object. Example: { path: ‘./image.jpg’, io: StringIO }

Raises:

• (Errors::BadMimeType) —

  if mime type is not valid

See Also:

• to see default valid mime types or add your own

# File 'lib/simple_images_downloader/validatable/mime_type_validator.rb', line 21

def validate(options)
  path = options[:path]
  io   = options[:io]

  mime_type = mime_type_of(io)

  return if SimpleImagesDownloader::Configuration.valid_mime_types.include?(mime_type)

  raise Errors::BadMimeType.new(path, mime_type)
end