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

Defined in:

actionpack/lib/action_dispatch/http/cache.rb

Constant Summary

DEFAULT_CACHE_CONTROL =

"max-age=0, private, must-revalidate"

Instance Attribute Summary (collapse)

• - (Object) cache_control readonly

  Returns the value of attribute cache_control.

• - (Object) etag (also: #etag?)

  Returns the value of attribute etag.

Instance Method Summary (collapse)

• - (Response) initialize

  A new instance of Response.

• - (Object) last_modified
• - (Object) last_modified=(utc_time)
• - (Boolean) last_modified?

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

def cache_control
  @cache_control
end

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

def etag
  @etag
end

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# File 'actionpack/lib/action_dispatch/http/cache.rb', line 45

def initialize(*)
  super

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

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

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

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

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

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

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

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