Class: Xenon::Headers::IfRange

Inherits:
Header
  • Object
show all
Defined in:
lib/xenon/headers/if_range.rb

Overview

tools.ietf.org/html/rfc7233#section-3.2

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value) ⇒ IfRange

Returns a new instance of IfRange.

Raises:



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# File 'lib/xenon/headers/if_range.rb', line 12

def initialize(value)
  case value
  when Time, DateTime, Date then @date = value
  when ETag then @etag = value
  when String then @etag = ETag.parse(value)
  else raise ArgumentError, 'Value must be a time or an etag.'
  end

  raise ProtocolError, 'If-Range headers must use strong ETags.' if @etag && @etag.weak?
end

Instance Attribute Details

#date ⇒ Object (readonly)

Returns the value of attribute date.



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# File 'lib/xenon/headers/if_range.rb', line 10

def date
  @date
end

#etag ⇒ Object (readonly)

Returns the value of attribute etag.



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# File 'lib/xenon/headers/if_range.rb', line 10

def etag
  @etag
end

Class Method Details

.parse(s) ⇒ Object 



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# File 'lib/xenon/headers/if_range.rb', line 23

def self.parse(s)
  tree = Parsers::IfRangeHeader.new.parse(s)
  Parsers::IfRangeHeaderTransform.new.apply(tree)
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/xenon/headers/if_range.rb', line 28

def to_s
  @etag ? @etag.to_s : @date.httpdate
end