src/main/java/com/zandero/utils/StringUtils.java
public static int compare(String one, String two) {

		if (one == null && two == null) {
			return 0;
		}

		if (one == null) {
			return -1;
		}

		if (two == null) {
			return 1;
		}

		return one.compareTo(two);
	}
public static int compare(String one, String two) {

		if (one == null && two == null) {
			return 0;
		}

		if (one == null) {
			return -1;
		}

		if (two == null) {
			return 1;
		}

		return one.compareTo(two);
	}
Compares two strings with <code>String.compare()</code>. Method allows
<code>null</code> values.

@param one to compare
@param two to compare
@return <b>0</b> if both <code>null</code>, <b>-1</b> if <code>one</code> is <code>null</code>, <b>1</b> if <code>two</code> is <code>null</code>, otherwise <code>String.compare()</code> is
called