def call(env)
status, headers, body = @app.call(env)
headers = Utils::HeaderHash.new(headers)
empty = headers['Content-Length'].to_i <= 0
if (status.to_i >= 400 && empty) || env["rack.showstatus.detail"]
req = Rack::Request.new(env)
message = Rack::Utils::HTTP_STATUS_CODES[status.to_i] || status.to_s
detail = env["rack.showstatus.detail"] || message
body = @template.result(binding)
size = Rack::Utils.bytesize(body)
[status, headers.merge("Content-Type" => "text/html", "Content-Length" => size.to_s), [body]]
else
[status, headers, body]
end
end