wffweb/src/main/java/com/webfirmframework/wffweb/util/StringUtil.java
public static String strip(final String s) {

        int first;
        int last;

        for (first = 0; first < s.length(); first++) {
            if (!Character.isWhitespace(s.charAt(first))) {
                break;
            }
        }

        for (last = s.length(); last > first; last--) {
            if (!Character.isWhitespace(s.charAt(last - 1))) {
                break;
            }
        }

        return s.substring(first, last);
    }
public static String strip(final String s) {

        int first;
        int last;

        for (first = 0; first < s.length(); first++) {
            if (!Character.isWhitespace(s.charAt(first))) {
                break;
            }
        }

        for (last = s.length(); last > first; last--) {
            if (!Character.isWhitespace(s.charAt(last - 1))) {
                break;
            }
        }

        return s.substring(first, last);
    }
Removes the trailing and leading whitespaces

@param s
@return the striped string
@since 3.0.1