private void addPortIfValid(Map<String, Integer> map, String key, String port) {
        if (StringUtils.isNotBlank(port)) {
            String t = port.trim();
            if (t.matches(NUMBER_REGEX)) {
                map.put(key, Integer.parseInt(t));
            }
        }
    }
private void addPortIfValid(Map<String, Integer> map, String key, String port) {
        if (StringUtils.isNotBlank(port)) {
            String t = port.trim();
            if (t.matches(NUMBER_REGEX)) {
                map.put(key, Integer.parseInt(t));
            }
        }
    }
private void addPortIfValid ( Map < String , Integer > map , String key , String port ) { if ( StringUtils . isNotBlank ( port ) ) { String t = port . trim ( ) ; if ( t . matches ( NUMBER_REGEX ) ) { map . put ( key , Integer . parseInt ( t ) ) ; } } }
Adds a port to the list.
@param map   The list.
@param key   The key.
@param port  The candidate port.
Adds a port to the list .