//
Set<SkinConfig> portalPortletSkins = getPortalPortletSkins();
// don't merge portlet if portlet not available
if (!portalPortletSkins.isEmpty()) {
SkinService skinService = getApplicationComponent(SkinService.class);
portletSkins.add(skinService.merge(portalPortletSkins));
}
//
for (UIPortlet uiPortlet : uiportlets) {
SkinConfig skinConfig = getPortletSkinConfig(uiPortlet);