Class: Rack::ErrorHandling

Inherits:
Object
  • Object
show all
Defined in:
lib/unicorn-cuba-base/rack/error_handling.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, &block) ⇒ ErrorHandling

Returns a new instance of ErrorHandling.



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# File 'lib/unicorn-cuba-base/rack/error_handling.rb', line 3

def initialize(app, &block)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/unicorn-cuba-base/rack/error_handling.rb', line 7

def call(env)
  # save original env
  orig_env = env.dup
  begin
    return @app.call(env)
  rescue => error
    begin
      # reset env to original since it could have been changed
      env.clear
      env.merge!(orig_env)

      # set error so app can handle it
      env["app.error"] = error

      return @app.call(env)
    rescue
      raise
    end
  end
end