public static String protectXMLCDATA( String content ) {
    if ( Utils.isEmpty( content ) ) {
      return content;
    }
    return "<![CDATA[" + content + "]]>";
  }
@Test
  public void testProtectXMLCDATA() {
    assertEquals( null, Const.protectXMLCDATA( null ) );
    assertEquals( "", Const.protectXMLCDATA( "" ) );
    assertEquals( "<![CDATA[foo]]>", Const.protectXMLCDATA( "foo" ) );
  }