ServletContext context = config.getServletContext();
portletXmlMapping = loadMapping(context, props.getString(CONFIG_MAPPING_PORTLETXML, DEFAULT_MAPPING_PORTLETXML));
webXmlMapping = loadMapping(context, props.getString(CONFIG_MAPPING_WEBXML, DEFAULT_MAPPING_WEBXML));
List contexts = loadDefinitionList(context, DEFAULT_CONTEXTS);
registry = new PortletApplicationDefinitionListImpl();
for (Iterator i = contexts.iterator(); i.hasNext();) {
String contextRoot = (String) i.next();
PortletApplicationDefinition portletApp = loadApplicationDefinition(context, contextRoot);
registry.add(portletApp);
}