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Contents
require 'faraday'
module FaradayMiddleware
# Request middleware that encodes the body as JSON.
#
# Processes only requests with matching Content-type or those without a type.
# If a request doesn't have a type but has a body, it sets the Content-type
# to JSON MIME-type.
#
# Doesn't try to encode bodies that already are in string form.
class EncodeJson < Faraday::Middleware
CONTENT_TYPE = 'Content-Type'.freeze
MIME_TYPE = 'application/json'.freeze
dependency do
require 'json' unless defined?(::JSON)
end
def call(env)
match_content_type(env) do |data|
env[:body] = encode data
end
@app.call env
end
def encode(data)
::JSON.dump data
end
def match_content_type(env)
if process_request?(env)
env[:request_headers][CONTENT_TYPE] ||= MIME_TYPE
yield env[:body] unless env[:body].respond_to?(:to_str)
end
end
def process_request?(env)
type = request_type(env)
has_body?(env) and (type.empty? or type == MIME_TYPE)
end
def has_body?(env)
body = env[:body] and !(body.respond_to?(:to_str) and body.empty?)
end
def request_type(env)
type = env[:request_headers][CONTENT_TYPE].to_s
type = type.split(';', 2).first if type.index(';')
type
end
end
end
Version data entries
8 entries across 8 versions & 2 rubygems