Module: ActionDispatch::Http::Cache::Response

Included in:
Response
Defined in:
lib/action_dispatch/http/cache.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#cache_control ⇒ Object (readonly)

Returns the value of attribute cache_control.



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# File 'lib/action_dispatch/http/cache.rb', line 42

def cache_control
  @cache_control
end

Instance Method Details

#etag ⇒ Object 



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# File 'lib/action_dispatch/http/cache.rb', line 73

def etag
  @etag
end

#etag=(etag) ⇒ Object 



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# File 'lib/action_dispatch/http/cache.rb', line 81

def etag=(etag)
  key = ActiveSupport::Cache.expand_cache_key(etag)
  @etag = self["ETag"] = %("#{Digest::MD5.hexdigest(key)}")
end

#etag? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/http/cache.rb', line 77

def etag?
  @etag
end

#initialize ⇒ Object 



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# File 'lib/action_dispatch/http/cache.rb', line 44

def initialize(*)
  status, header, body = super

  @cache_control = {}
  @etag = self["ETag"]

  if cache_control = self["Cache-Control"]
    cache_control.split(/,\s*/).each do |segment|
      first, last = segment.split("=")
      last ||= true
      @cache_control[first.to_sym] = last
    end
  end
end

#last_modified ⇒ Object 



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# File 'lib/action_dispatch/http/cache.rb', line 59

def last_modified
  if last = headers['Last-Modified']
    Time.httpdate(last)
  end
end

#last_modified=(utc_time) ⇒ Object 



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# File 'lib/action_dispatch/http/cache.rb', line 69

def last_modified=(utc_time)
  headers['Last-Modified'] = utc_time.httpdate
end

#last_modified? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/http/cache.rb', line 65

def last_modified?
  headers.include?('Last-Modified')
end