MBeanRegister using jmx4r

gistfile1.rb

require 'rubygems'
require 'jmx4r'

import java.lang.management.ManagementFactory
import javax.management.ObjectName

class MBeanRegister < JMX::DynamicMBean
   operation "regster mbean script"
   parameter :string, "mbean class name"
   parameter :string, "object name"
   parameter :string, "strings of mbean script"
   returns :void
   def register(cname, oname, src)
      begin
         eval(src)
         object_name = ObjectName.new oname
         lib = cname.gsub(/([A-Z])/, '_\\1').downcase.sub(/^_/, '')
         require lib
         mbean = Object.const_get(cname).new
         ManagementFactory.platform_mbean_server.register_mbean mbean, object_name
      rescue => ex
        puts ex
      end
      return nil
   end

   operation "unregister mbean"
   parameter :string, "object name"
   returns :void
   def unregister(name)
      object_name = ObjectName.new name
      ManagementFactory.platform_mbean_server.unregister_mbean object_name
   end
end

register = MBeanRegister.new
object_name = ObjectName.new "mbean_register:type=MBeanRegister"
ManagementFactory.platform_mbean_server.register_mbean register, object_name
gets