exception_handler2.rb

$LOAD_PATH.unshift(File.join(File.dirname(__FILE__),'..','lib'))
require'aspector'

# Example class to which we will apply our aspects
classExampleClass
defself.test(input)
putsinput.upcase
end

deftest(input)
putsinput.upcase
end
end

# Aspect used to handle exceptions
classExceptionHandler < Aspector::Base
targetdo
defhandle_exception(proxy, *args, &block)
proxy.call(*args, &block)
rescue=>e
puts"Rescued: #{e}"
end
end

around:handle_exception
end

ExceptionHandler.apply(ExampleClass,method: :test,class_methods: true)

ExampleClass.test('good')
ExampleClass.test(nil)

ExceptionHandler.apply(ExampleClass,method: :test)

instance=ExampleClass.new
instance.test('good')
instance.test(nil)