@@ -0,0 +1,476 @@
+package net.sf.kerner.utils;%0A%0Apublic class StringUtils %7B%0A%09%0A%09private StringUtils()%7B%7D%0A%09%0A%09/**%0A%09 * %0A%09 * Check if a string is null, empty or contains only whitespaces.%0A%09 *%0A%09 * @param string String to check%0A%09 * @return true, if this string is null, empty or contains only whitespaces; false otherwise%0A%09 */%0A%09public static boolean emptyString(String s)%7B%0A%09%09if(s == null)%0A%09%09%09return true;%0A%09%09if(s.length() %3C 1)%0A%09%09%09return true;%0A%09%09if(s.matches(%22%5C%5Cs%22))%0A%09%09%09return true;%0A%09%09return false;%0A%09%7D%0A%0A%7D%0A

Introduce StringUtils.