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require "action_dispatch/http/request"
module ActionDispatch
# 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.
class ParamsParser
# Raised when raw data from the request cannot be parsed by the parser
# defined for request's content mime type.
class ParseError < StandardError
def initialize
super($!.message)
end
end
# 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.
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
end
end
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