/**
 * tell you where in the code you are, class/method/line
 *
 * @param depth Set to 1 if you call youAreHere directly.
 *              Set to 2 if you call it indirectly via a piece of code that
 *              does something with the String it generates, and you
 *              really want the location of its caller.
 */
public static String youAreHere( int depth )
    {
    final Throwable t = new Throwable();
    final StackTraceElement[] es = t.getStackTrace();
    final StackTraceElement e = es[ depth ];
    return "at "
           + e.getClassName()
           + "."
           + e.getMethodName()
           + " line:"
           + e.getLineNumber();
    }