From 76040825aa155109a275f726299b9c3314e3b637 Mon Sep 17 00:00:00 2001
From: Daniel Molina <dmolina@dmolina.fdi.ucm.es>
Date: Fri, 2 Jul 2010 16:17:37 +0200
Subject: [PATCH] feature #192 Fixed NOKOGIRI returning 0 instead of nil

---
 src/oca/ruby/OpenNebula/XMLUtils.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/oca/ruby/OpenNebula/XMLUtils.rb b/src/oca/ruby/OpenNebula/XMLUtils.rb
index 31682be19c..b481c5f730 100644
--- a/src/oca/ruby/OpenNebula/XMLUtils.rb
+++ b/src/oca/ruby/OpenNebula/XMLUtils.rb
@@ -41,6 +41,9 @@ module OpenNebula
         def [](key)
             if NOKOGIRI
                 element=@xml.xpath(key.to_s.upcase)
+                if element.size == 0
+                    return nil
+                end
             else
                 element=@xml.elements[key.to_s.upcase]
             end