Class: ActionDispatch::ParamsParser

Inherits:
Object
  • Object
show all
Defined in:
actionpack/lib/action_dispatch/middleware/params_parser.rb

Overview

ActionDispatch::ParamsParser works for all the requests having any Content-Length (like POST). It takes raw data from the request and puts it through the parser that is picked based on Content-Type header.

In case of any error while parsing data ParamsParser::ParseError is raised.

Defined Under Namespace

Classes: ParseError

Class Method Summary collapse

Class Method Details

.new(app, parsers = {}) ⇒ Object

Create a new ParamsParser middleware instance.

The parsers argument can take Hash of parsers where key is identifying content mime type, and value is a lambda that is going to process data.


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# File 'actionpack/lib/action_dispatch/middleware/params_parser.rb', line 39

def self.new(app, parsers = {})
  ActiveSupport::Deprecation.warn('ActionDispatch::ParamsParser is deprecated and will be removed in Rails 5.1. Configure the parameter parsing in ActionDispatch::Request.parameter_parsers.')
  parsers = parsers.transform_keys { |key| key.respond_to?(:symbol) ? key.symbol : key }
  ActionDispatch::Request.parameter_parsers = ActionDispatch::Request::DEFAULT_PARSERS.merge(parsers)
  app
end