Class: MapServerLegendInfo

Inherits:
Object
  • Object
show all
Defined in:
lib/map_server_legend_info.rb

Instance Method Summary collapse

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/map_server_legend_info.rb', line 6

def call(env)
  request = Rack::Request.new(env)
  headers = { "Content-Type" => "application/json" }

  begin
    response = Rack::Response.new(get_legends(request), 200, headers)
    # set caching information
    age = request['image_return_url'] == 'true' ? 20.minutes : 1.month
    response.headers['Cache-Control'] = "public, max-age=#{age}"
  rescue Exception => e
    response = Rack::Response.new({ :error => e.message }.to_json, 500, headers)
  end

  response.to_a
end