Class: InvokeInstanceMethodHandler

Inherits:
AbstractCommandHandler show all
Defined in:
lib/hypertube-ruby-sdk/core/handler/invoke_instance_method_handler.rb

Instance Method Summary collapse

Methods inherited from AbstractCommandHandler

#handle_command, #iterate

Constructor Details

#initialize ⇒ InvokeInstanceMethodHandler

Returns a new instance of InvokeInstanceMethodHandler.



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# File 'lib/hypertube-ruby-sdk/core/handler/invoke_instance_method_handler.rb', line 6

def initialize
  @required_parameters_count = 2
end

Instance Method Details

#invoke_instance_method(command) ⇒ Object 



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# File 'lib/hypertube-ruby-sdk/core/handler/invoke_instance_method_handler.rb', line 14

def invoke_instance_method(command)
  if command.payload.length < @required_parameters_count
    raise ArgumentError.new 'InvokeInstanceMethod parameters mismatch'
  end

  instance = command.payload[0]
  method_name = command.payload[1]

  return instance.send(method_name) unless command.payload.length > 2

  arguments = command.payload[2..]
  instance.send(method_name, *arguments)
rescue NoMethodError => e
  puts e.message
  methods = instance.methods
  message = "Method #{method_name} not found in object of class #{instance.class.name}. Available methods:\n"
  methods.each { |method_iter| message += "#{method_iter}\n" }
  raise Exception, message
end

#process(command) ⇒ Object 



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# File 'lib/hypertube-ruby-sdk/core/handler/invoke_instance_method_handler.rb', line 10

def process(command)
  invoke_instance_method(command)
end