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Versions: 37
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Contents
# frozen_string_literal: true
module Aws
module Rest
# NOTE: headers could be already populated if specified on input shape
class ContentTypeHandler < Seahorse::Client::Handler
def call(context)
if eventstream?(context)
context.http_request.headers['Content-Type'] ||=
'application/vnd.amazon.eventstream'
elsif (payload = context.operation.input[:payload_member])
case payload.shape
when Seahorse::Model::Shapes::BlobShape
context.http_request.headers['Content-Type'] ||=
'application/octet-stream'
when Seahorse::Model::Shapes::StringShape
context.http_request.headers['Content-Type'] ||=
'text/plain'
else
apply_default_content_type(context)
end
elsif (body = context.http_request.body) &&
(!body.respond_to?(:size) || non_empty_body?(body))
apply_default_content_type(context)
end
@handler.call(context)
end
private
def non_empty_body?(body)
body.respond_to?(:size) && body.size.positive?
end
def eventstream?(context)
context.operation.input.shape.members.each do |_, ref|
return true if ref.eventstream
end
false
end
# content-type defaults as noted here:
# rest-json: https://smithy.io/2.0/aws/protocols/aws-restxml-protocol.html#content-type
# rest-xml: https://smithy.io/2.0/aws/protocols/aws-restxml-protocol.html#content-type
def apply_default_content_type(context)
protocol = context.config.api.metadata['protocol']
case protocol
when 'rest-json'
context.http_request.headers['Content-Type'] ||=
'application/json'
when 'rest-xml'
context.http_request.headers['Content-Type'] ||=
'application/xml'
else raise "Unsupported protocol #{protocol}"
end
end
end
end
end
Version data entries
37 entries across 37 versions & 1 rubygems