public static void hasText(String text) {
        hasText(text,
                "[Assertion failed] - this String argument must have text; it must not be null, empty, or blank");
    }
Assert that the given String has valid text content; that is, it must not
be <code>null</code> and must contain at least one non-whitespace character.
<pre class="code">Assert.hasText(name, "'name' must not be empty");</pre>
@param text the String to check
@see StringUtils#hasText
src/main/java/org/apache/shiro/lang/util/Assert.java