class ActionDispatch::Callbacks
Provides callbacks to be executed before and after dispatching the request.
Public Class Methods
# File actionpack/lib/action_dispatch/middleware/callbacks.rb, line 25 def after(*args, &block) set_callback(:call, :after, *args, &block) end
# File actionpack/lib/action_dispatch/middleware/callbacks.rb, line 21 def before(*args, &block) set_callback(:call, :before, *args, &block) end
# File actionpack/lib/action_dispatch/middleware/callbacks.rb, line 30 def initialize(app) @app = app end
# File actionpack/lib/action_dispatch/middleware/callbacks.rb, line 14 def to_cleanup(*args, &block) ActiveSupport::Reloader.to_complete(*args, &block) end
# File actionpack/lib/action_dispatch/middleware/callbacks.rb, line 10 def to_prepare(*args, &block) ActiveSupport::Reloader.to_prepare(*args, &block) end
Public Instance Methods
# File actionpack/lib/action_dispatch/middleware/callbacks.rb, line 34
def call(env)
error = nil
result = run_callbacks :call do
begin
@app.call(env)
rescue => error
end
end
raise error if error
result
end
© 2004–2018 David Heinemeier Hansson
Licensed under the MIT License.