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adapter.rb
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adapter.rb
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# frozen_string_literal: true
module Faraday
# Base class for all Faraday adapters. Adapters are
# responsible for fulfilling a Faraday request.
class Adapter
extend MiddlewareRegistry
extend DependencyLoader
CONTENT_LENGTH = 'Content-Length'
register_middleware File.expand_path('adapter', __dir__),
test: [:Test, 'test'],
net_http: [:NetHttp, 'net_http'],
net_http_persistent: [:NetHttpPersistent, 'net_http_persistent'],
typhoeus: [:Typhoeus, 'typhoeus'],
patron: [:Patron, 'patron'],
em_synchrony: [:EMSynchrony, 'em_synchrony'],
em_http: [:EMHttp, 'em_http'],
excon: [:Excon, 'excon'],
rack: [:Rack, 'rack'],
httpclient: [:HTTPClient, 'httpclient']
# This module marks an Adapter as supporting parallel requests.
module Parallelism
attr_writer :supports_parallel
def supports_parallel?
@supports_parallel
end
def inherited(subclass)
super
subclass.supports_parallel = supports_parallel?
end
end
extend Parallelism
self.supports_parallel = false
def initialize(_app = nil, opts = {}, &block)
@app = ->(env) { env.response }
@connection_options = opts
@config_block = block
end
def call(env)
env.clear_body if env.needs_body?
env.response = Response.new
end
private
def save_response(env, status, body, headers = nil, reason_phrase = nil)
env.status = status
env.body = body
env.reason_phrase = reason_phrase&.to_s&.strip
env.response_headers = Utils::Headers.new.tap do |response_headers|
response_headers.update headers unless headers.nil?
yield(response_headers) if block_given?
end
env.response.finish(env) unless env.parallel?
env.response
end
end
end