Module: HTTPTools::Builder

Defined in:
lib/http_tools/builder.rb

Overview

HTTPTools::Builder is a provides a simple interface to build HTTP requests & responses. It can be used as a mixin or class methods on HTTPTools::Builder.

Class Method Summary collapse

Class Method Details

.format_headers(headers, buffer = "") ⇒ Object 



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# File 'lib/http_tools/builder.rb', line 43

def format_headers(headers, buffer="")
  headers.each do |key, value|
    if value.respond_to?(:each_line)
      value.each_line {|val| buffer << "#{key}: #{val.chomp}\r\n"}
    elsif value.respond_to?(:each)
      value.each {|val| buffer << "#{key}: #{val}\r\n"}
    else
      buffer << "#{key}: #{value}\r\n"
    end
  end
  buffer
end

.request(method, host, path = "/", headers = {}) ⇒ Object

:call-seq: Builder.request(method, host, path=“/”, headers={}) -> string

Returns a HTTP request line and headers.

Builder.request(:get, "example.com")
#=> "GET / HTTP/1.1\r\nHost: example.com\r\n\r\n"

Builder.request(:post, "example.com", "/form", "Accept" => "text/html")

\

> “POST” /form HTTP/1.1rnHost: example.comrnAccept: text/htmlrnrn“



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# File 'lib/http_tools/builder.rb', line 38

def request(method, host, path="/", headers={})
  "#{method.to_s.upcase} #{path} HTTP/1.1\r\nHost: #{host}\r\n#{
    format_headers(headers)}\r\n"
end

.response(status, headers = {}) ⇒ Object

:call-seq: Builder.response(status, headers={}) -> string

Returns a HTTP status line and headers. Status can be a HTTP status code as an integer, or a HTTP status message as a lowercase, underscored symbol.

Builder.response(200, "Content-Type" => "text/html")
#=> "HTTP/1.1 200 ok\r\nContent-Type: text/html\r\n\r\n"

Builder.response(:internal_server_error)
#=> "HTTP/1.1 500 Internal Server Error\r\n\r\n"

To send multiple headers with the same name:

Builder.response(:ok, "Set-Cookie" => ["a=b", "c=d"])
Builder.response(:ok, "Set-Cookie" => "a=b\nc=d")



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# File 'lib/http_tools/builder.rb', line 24

def response(status, headers={})
  "HTTP/1.1 #{STATUS_LINES[status]}\r\n#{format_headers(headers)}\r\n"
end