Class: Amazon::MWS::Connection::RequestBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/amazon/mws/connection/request_builder.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(verb, path, body = nil) ⇒ RequestBuilder

Returns a new instance of RequestBuilder.



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# File 'lib/amazon/mws/connection/request_builder.rb', line 5

def initialize(verb, path, body = nil)
  # Create the request object
  @request = request_method(verb).new(path)
  process_body(body)
end

Instance Attribute Details

#request ⇒ Object

Returns the value of attribute request.



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# File 'lib/amazon/mws/connection/request_builder.rb', line 3

def request
  @request
end

Instance Method Details

#add_content_md5(body = "") ⇒ Object 



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# File 'lib/amazon/mws/connection/request_builder.rb', line 48

def add_content_md5(body = "")
  @request['Content-MD5'] = Base64.encode64(create_md5(body))
  return self # chainable
end

#add_content_type ⇒ Object 



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# File 'lib/amazon/mws/connection/request_builder.rb', line 43

def add_content_type
  # nothing happening yet
  return self
end

#add_host ⇒ Object

For the SubmitFeed (p. 41) function, we require that you pass the Content-MD5 HTTP header, which contains the MD5 hash of the HTTP entity body (see Section 14.15 of RFC 2616, the HTTP/1.1 specification), so we can check if the feed we stored for processing is bit for bit identical with what you sent, protecting you from corrupted descriptive or pricing product data appearing on Amazon.com.



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# File 'lib/amazon/mws/connection/request_builder.rb', line 33

def add_host
  @request['Host'] = Amazon::MWS::DEFAULT_HOST
  return self
end

#add_user_agent ⇒ Object 



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# File 'lib/amazon/mws/connection/request_builder.rb', line 38

def add_user_agent
  @request['User-Agent'] = "Amazon::MWS/#{Amazon::MWS::Version} (Language=Ruby)"
  return self
end

#create_md5(body) ⇒ Object

think about chaining this with process_body



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# File 'lib/amazon/mws/connection/request_builder.rb', line 54

def create_md5(body)
  md5 = Digest::MD5.new
  
  # stream from file or in memory?
  if body.respond_to?(:read)
    digest = body.each { |line| md5.update(line) }        
  else
    digest = md5.update(body)
  end
  
  return digest.hexdigest
end

#process_body(body) ⇒ Object 



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# File 'lib/amazon/mws/connection/request_builder.rb', line 15

def process_body(body)
  @request.content_length = 0 and return self if body.nil?

  if body.respond_to?(:read)                                                                
    @request.body_stream = body                                                           
  else                                                                                      
    @request.body = body                                                                     
  end
  
  @request.content_length = body.respond_to?(:lstat) ? body.stat.size : body.size
  return self
end

#request_method(verb) ⇒ Object 



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# File 'lib/amazon/mws/connection/request_builder.rb', line 11

def request_method(verb)
  Net::HTTP.const_get(verb.to_s.capitalize)
end