public static Map<String,Map<String, String>> parseFilter(String filter) {
        return parseFilter(filter, true, DEFAULT_FILTER_KEY);
    }
public static Map < String , Map < String , String > > parseFilter ( String filter ) { return parseFilter ( filter , true , DEFAULT_FILTER_KEY ) ; }
Parse textual filter and return a map of maps: [include: [key:value,...], exclude: [key:value,...]]

@param filter filter string

@return parsed filter