Class: CreateClassInstanceHandler

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

Instance Method Summary collapse

Methods inherited from AbstractCommandHandler

#handle_command, #iterate

Constructor Details

#initialize ⇒ CreateClassInstanceHandler

Returns a new instance of CreateClassInstanceHandler.



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# File 'lib/javonet-ruby-sdk/core/handler/create_class_instance_handler.rb', line 6

def initialize
  @required_parameters_count = 1
end

Instance Method Details

#create_class_instance(command) ⇒ Object 



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# File 'lib/javonet-ruby-sdk/core/handler/create_class_instance_handler.rb', line 14

def create_class_instance(command)
  raise ArgumentError.new 'Class instance parameters mismatch' if command.payload.length < @required_parameters_count

  if command.payload.length > 1
    constructor_arguments = command.payload[1..]
    class_instance = command.payload[0].send('new', *constructor_arguments)
  else
    class_instance = command.payload[0].send('new')
  end
  class_instance
rescue NoMethodError
  methods = command.payload[0].methods
  message = "Method 'new' not found in class #{command.payload[0].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/javonet-ruby-sdk/core/handler/create_class_instance_handler.rb', line 10

def process(command)
  create_class_instance(command)
end