own_logger.java

private static StringBuilder dbgSb = null;

public static void DoLog(String s) {
  if (dbgSb == null) {
    dbgSb = new StringBuilder();
    dbgSb.append("\n###********************\n");
  }
  dbgSb.append(s + "\n");
}

public static String getLogString() {
  String s = dbgSb.toString();
  dbgSb = null;
  return s;
}