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callbacks.rb
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callbacks.rb
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module ActionDispatch
# Provides callbacks to be executed before and after dispatching the request.
class Callbacks
include ActiveSupport::Callbacks
define_callbacks :call
class << self
def to_prepare(*args, &block)
ActiveSupport::Reloader.to_prepare(*args, &block)
end
def to_cleanup(*args, &block)
ActiveSupport::Reloader.to_complete(*args, &block)
end
deprecate to_prepare: "use ActiveSupport::Reloader.to_prepare instead",
to_cleanup: "use ActiveSupport::Reloader.to_complete instead"
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