Send system keyboard events in JRuby via java.awt.Robot

keyboard_controller.rb

class KeyboardController
  def initialize
    @robot = java.awt.Robot.new
  end
  def type *args
    [args].flatten.map(&:to_s).map{|s|s.split(/\s+/)}.flatten.map(&:upcase).each do |n|
      press, name = (n[0]=="-") ? [false,n[1..-1]] : [true,n]
      press ? @robot.key_press(@code) : @robot.key_release(@code) if @code = java.awt.event.KeyEvent.const_get("VK_#{name}")
    end
    self
  end
end

kc = KeyboardController.new
kc.type(%w[a b c d shift e f -shift g h]); kc.type("i","j"); kc.type(:k,"L M"); kc.type(:"N SHIFT O P -SHIFT Q r s")
# types: => abcdEFghijklmnOPqrs