# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1259343235 0
# Node ID df9e18f5c808085331cd97730436a33a1382c86e
# Parent  730038d3e9e31fd9f1deeb31b6733b6a0c4ec42e
util.jid: Add join(node, host, resource) function to join the components and return nil if invalid

diff -r 730038d3e9e3 -r df9e18f5c808 util/jid.lua
--- a/util/jid.lua	Fri Nov 27 16:51:05 2009 +0000
+++ b/util/jid.lua	Fri Nov 27 17:33:55 2009 +0000
@@ -65,4 +65,17 @@
 	return host;
 end
 
+function join(node, host, resource)
+	if node and host and resource then
+		return node.."@"..host.."/"..resource;
+	elseif node and host then
+		return node.."@"..host;
+	elseif host and resource then
+		return host.."/"..resource;
+	elseif host then
+		return host;
+	end
+	return nil; -- Invalid JID
+end
+
 return _M;