Class: Chef::HTTP::JSONOutput

Inherits:
Object
  • Object
show all
Defined in:
lib/chef/http/json_output.rb

Overview

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

Direct Known Subclasses

JSONToModelOutput

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ JSONOutput

Returns a new instance of JSONOutput.



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# File 'lib/chef/http/json_output.rb', line 29

def initialize(opts={})
  @raw_output = opts[:raw_output]
  @inflate_json_class = opts[:inflate_json_class]
end

Instance Method Details

#handle_request(method, url, headers = {}, data = false) ⇒ Object 



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# File 'lib/chef/http/json_output.rb', line 34

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) ⇒ Object 



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# File 'lib/chef/http/json_output.rb', line 42

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 http_response['content-type'] =~ /json/
    if @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.from_json(http_response.body.chomp, :create_additions => false)
      end
    end
    [http_response, rest_request, return_value]
  else
    Chef::Log.debug("Expected JSON response, but got content-type '#{http_response['content-type']}'")
    return [http_response, rest_request, http_response.body.to_s]
  end
end

#handle_stream_complete(http_response, rest_request, return_value) ⇒ Object 



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# File 'lib/chef/http/json_output.rb', line 63

def handle_stream_complete(http_response, rest_request, return_value)
  [http_response, rest_request, return_value]
end

#stream_response_handler(response) ⇒ Object 



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# File 'lib/chef/http/json_output.rb', line 67

def stream_response_handler(response)
  nil
end