package hansen.playground;
. . .

public class MyThreadLocal {

private MyThreadLocal() { }

private static ThreadLocal tLocal = new ThreadLocal();

public static void set(List list) {
  tLocal.set(list);
}

public static List get() {
  return (List) tLocal.get();
}

public static void add(Observed obs) {
  List list = MyThreadLocal.get();
  list.add(obs);
}

public static String getFormatted() {
  StringBuffer s = new StringBuffer();
  List list = get();
  for (Iterator it = list.iterator(); it.hasNext();) {
    Observed obs = (Observed) it.next();
    s.append(obs.getText() + "=" + obs.getData() + "\n");
  }
  return s.toString();
}

public static void listData() {
  System.out.println(getFormatted());
}

}

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