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# frozen_string_literal: true
module Aws
module Rest
module Response
class Parser
def apply(response)
# TODO : remove this unless check once response stubbing is fixed
if rules = response.context.operation.output
response.data = rules.shape.struct_class.new
extract_status_code(rules, response)
extract_headers(rules, response)
extract_body(rules, response)
else
response.data = EmptyStructure.new
end
end
private
def extract_status_code(rules, response)
status_code = StatusCode.new(rules)
status_code.apply(response.context.http_response, response.data)
end
def extract_headers(rules, response)
headers = Headers.new(rules)
headers.apply(response.context.http_response, response.data)
end
def extract_body(rules, response)
Body.new(parser_class(response), rules).
apply(
response.context.http_response.body,
response.data
)
end
def parser_class(response)
protocol = response.context.config.api.metadata['protocol']
case protocol
when 'rest-xml' then Xml::Parser
when 'rest-json' then Json::Parser
when 'api-gateway' then Json::Parser
else raise "unsupported protocol #{protocol}"
end
end
end
end
end
end
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