class Grape::Router::Route

def apply(app)
  @app = app
  self
end

def convert_to_head_request!
  @request_method = Rack::HEAD
end

def exec(env)
  @app.call(env)
end

def initialize(method, origin, path, options)
  @request_method = upcase_method(method)
  @pattern = Grape::Router::Pattern.new(origin, path, options)
  @match_function = options[:forward_match] ? FORWARD_MATCH_METHOD : NON_FORWARD_MATCH_METHOD
  super(options)
end

def match?(input)
  return false if input.blank?
  @match_function.call(input, pattern)
end

def params(input = nil)
  return params_without_input if input.blank?
  parsed = pattern.params(input)
  return {} unless parsed
  parsed.compact.symbolize_keys
end

def params_without_input
  @params_without_input ||= pattern.captures_default.merge(attributes.params)
end

def upcase_method(method)
  method_s = method.to_s
  Grape::Http::Headers::SUPPORTED_METHODS.detect { |m| m.casecmp(method_s).zero? } || method_s.upcase
end