String tail = ret.toString().trim();
String head = headToString();
String h = (head!=null && !head.toString().equals("")) ? (tail.length() > 0 ? head+":" : head+"") : "";
if (tail.length() > 0) tail = left() + tail + right();
String tail = ret.toString().trim();
String head = headToString();
String h = (head!=null && !head.toString().equals("")) ? (tail.length() > 0 ? head+":" : head+"") : "";
if (tail.length() > 0) tail = left() + tail + right();