+ def nodes
+ response.headers["Content-Type"] = 'application/xml'
+ ids = params['nodes'].split(',').collect {|n| n.to_i }
+ if ids.length > 0
+ nodelist = Node.find(ids)
+ doc = get_xml_doc
+ nodelist.each do |node|
+ doc.root << node.to_xml_node
+ end
+ render :text => doc.to_s
+ else
+ render :nothing => true, :status => 400
+ end
+ end