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ruby30
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rack-3.0.8
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lib
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rack
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Filename :
body_proxy.rb
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# frozen_string_literal: true module Rack # Proxy for response bodies allowing calling a block when # the response body is closed (after the response has been fully # sent to the client). class BodyProxy # Set the response body to wrap, and the block to call when the # response has been fully sent. def initialize(body, &block) @body = body @block = block @closed = false end # Return whether the wrapped body responds to the method. def respond_to_missing?(method_name, include_all = false) super or @body.respond_to?(method_name, include_all) end # If not already closed, close the wrapped body and # then call the block the proxy was initialized with. def close return if @closed @closed = true begin @body.close if @body.respond_to?(:close) ensure @block.call end end # Whether the proxy is closed. The proxy starts as not closed, # and becomes closed on the first call to close. def closed? @closed end # Delegate missing methods to the wrapped body. def method_missing(method_name, *args, &block) @body.__send__(method_name, *args, &block) end # :nocov: ruby2_keywords(:method_missing) if respond_to?(:ruby2_keywords, true) # :nocov: end end