ORBIT-USER: Question regarding sample tutorial in integrating our own application with nodehandler

[Arinto Murdopo]

Dear All

I have question regarding to the tutorial in integrating our own application
with nodehandler from this link
http://www.orbit-lab.org/wiki/HowTo/LaunchApp

What does this following code do? Does these following lines of code write
the application's properties to xml file? What the importance of these
following lines of code in overall application?

if $0 == __FILE__
  require 'stringio'
  require 'rexml/document'
  include REXML

  sio = StringIO.new()
  a.to_xml.write(sio, 2)
  sio.rewind
  puts sio.read

  sio.rewind
  doc = Document.new(sio)
  t = AppDefinition.from_xml(doc.root)

  puts
  puts "-------------------------"
  puts
  t.to_xml.write($stdout, 2)

end



Regards,

Arinto
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