class BPL::Derivatives::DatastreamDecorator
Attributes
source_datastream[RW]
Public Class Methods
new(object, source_datastream_name)
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Calls superclass method
# File lib/bpl/derivatives/datastream_decorator.rb, line 5 def initialize(object, source_datastream_name) super(object) self.source_datastream = object.send(source_datastream_name) end
Public Instance Methods
content()
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# File lib/bpl/derivatives/datastream_decorator.rb, line 10 def content self.source_datastream.content end
filename_for_characterization()
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# File lib/bpl/derivatives/datastream_decorator.rb, line 18 def filename_for_characterization return source_datastream.filename_for_characterization if source_datastream.respond_to?(:filename_for_characterization) self.default_filename_for_charaterization end
has_content?()
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# File lib/bpl/derivatives/datastream_decorator.rb, line 14 def has_content? self.source_datastream.has_content? end
Protected Instance Methods
default_filename_for_charaterization()
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# File lib/bpl/derivatives/datastream_decorator.rb, line 24 def default_filename_for_charaterization registered_mime_type = BPL::Derivatives::MimeTypeService.type_lookup(source_datastream.mimeType) BPL::Derivatives.base_logger.warn "Unable to find a registered mime type for #{source_datastream.mimeType.inspect} on #{pid}" unless registered_mime_type extension = registered_mime_type ? ".#{registered_mime_type.extensions.first}" : '' ["#{source_datastream.pid}-#{source_datastream.dsVersionID}", "#{extension}"] end