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.
Namespace
Methods
- N
Class Public methods
new(app, parsers = {})
Link
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.
# 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