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module ActionDispatch
# Provide callbacks to be executed before and after the request dispatch.
class Callbacks
include ActiveSupport::Callbacks
define_callbacks :call
class << self
delegate :to_prepare, :to_cleanup, :to => "ActionDispatch::Reloader"
def before(*args, &block)
set_callback(:call, :before, *args, &block)
end
def after(*args, &block)
set_callback(:call, :after, *args, &block)
end
end
def initialize(app)
@app = app
end
def call(env)
error = nil
result = run_callbacks :call do
begin
@app.call(env)
rescue => error
end
end
raise error if error
result
end
end
end
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