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module MIME
#
# Discrete media must be handled by non-MIME mechanisms; they are opaque to
# MIME processors. Therefore, the body of a DiscreteMedia object does not need
# further MIME processing.
#
# This class is abstract.
#
class DiscreteMedia < Media
def initialize(content, content_type, content_params)
AbstractClassError.no_instantiation(self, DiscreteMedia)
super
end
end
#
# Application is intended for discrete data that is to be processed by some
# type of application program. The body contains information which must be
# processed by an application before it is viewable or usable by a user.
#
# Application is the catch all class. If your content cannot be identified as
# another DiscreteMedia, then it is application media.
#
class Application < DiscreteMedia
def initialize(body, subtype = 'octet-stream', params = {})
super(body, "application/#{subtype}", params)
end
end
#
# Audio is intended for discrete audio content. The +subtype+ indicates the
# specific audio format, such as *mpeg* or *midi*.
#
class Audio < DiscreteMedia
def initialize(body, subtype = 'basic', params = {})
super(body, "audio/#{subtype}", params)
end
end
#
# Image is intented for discrete image content. The +subtype+ indicates the
# specific image format, such as *jpeg* or *gif*.
#
class Image < DiscreteMedia
def initialize(body, subtype = 'jpeg', params = {})
super(body, "image/#{subtype}", params)
end
end
#
# Text is intended for content which is principally textual in form. The
# +subtype+ indicates the specific text type, such as *plain* or *html*.
#
class Text < DiscreteMedia
def initialize(body, subtype = 'plain', params = {})
super(body, "text/#{subtype}", params)
end
end
#
# Video is intended for discrete video content. The content +subtype+
# indicates the specific video format. The RFC describes video media as
# content that contains a time-varying-picture image, possibly with color and
# coordinated sound.
#
class Video < DiscreteMedia
def initialize(body, subtype = 'mpeg', params = {})
super(body, "video/#{subtype}", params)
end
end
end
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