class Chef::HTTP::JSONOutput

Middleware that takes an HTTP response, parses it as JSON if possible.

Attributes

inflate_json_class[RW]
raw_output[RW]

Public Class Methods

new(opts = {}) click to toggle source
# File lib/chef/http/json_output.rb, line 32
def initialize(opts = {})
  @raw_output = opts[:raw_output]
  @inflate_json_class = opts[:inflate_json_class]
end

Public Instance Methods

handle_request(method, url, headers = {}, data = false) click to toggle source
# File lib/chef/http/json_output.rb, line 37
def handle_request(method, url, headers = {}, data = false)
  # Ideally this should always set Accept to application/json, but
  # Chef::REST is sometimes used to make non-JSON requests, so it sets
  # Accept to the desired value before middlewares get called.
  headers["Accept"] ||= "application/json"
  [method, url, headers, data]
end
handle_response(http_response, rest_request, return_value) click to toggle source
# File lib/chef/http/json_output.rb, line 45
def handle_response(http_response, rest_request, return_value)
  # temporary hack, skip processing if return_value is false
  # needed to keep conditional get stuff working correctly.
  return [http_response, rest_request, return_value] if return_value == false

  if /json/.match?(http_response["content-type"])
    if http_response.body.nil?
      return_value = nil
    elsif raw_output
      return_value = http_response.body.to_s
    else
      if inflate_json_class
        return_value = Chef::JSONCompat.from_json(http_response.body.chomp)
      else
        return_value = Chef::JSONCompat.parse(http_response.body.chomp)
      end
    end
    [http_response, rest_request, return_value]
  else
    Chef::Log.trace("Expected JSON response, but got content-type '#{http_response["content-type"]}'")
    if http_response.body
      Chef::Log.trace("Response body contains:\n#{http_response.body.length < 256 ? http_response.body : http_response.body[0..256] + " [...truncated...]"}")
    end
    [http_response, rest_request, http_response.body.to_s]
  end
end
handle_stream_complete(http_response, rest_request, return_value) click to toggle source
# File lib/chef/http/json_output.rb, line 72
def handle_stream_complete(http_response, rest_request, return_value)
  [http_response, rest_request, return_value]
end
stream_response_handler(response) click to toggle source
# File lib/chef/http/json_output.rb, line 76
def stream_response_handler(response)
  nil
end