使用JSR-238更快地全球化您的应用程序(四)

    
public String formatDateTime(Calendar c){
  //Short date format
  String result = fmt.formatDateTime(c,Formatter.DATE_SHORT);
  String result_set = "";
  result_set= result_set+"\n"+"formatDateTime(Calendar, DATE_SHORT) returns:"+result;
  //Long date format
  result = fmt.formatDateTime(c,Formatter.DATE_LONG);
  result_set = result_set+"\n"+"formatDateTime(Calendar, DATE_LONG)returns:"+result;
  //Long date and time
  result = fmt.formatDateTime(c,Formatter.DATETIME_LONG);
  result_set = result_set+"\n"+"formatDateTime(Calendar, DATETIME_LONG)returns:"+result;
  //Short date and time
  result = fmt.formatDateTime(c,Formatter.DATETIME_SHORT);
  result_set = result_set+"\n"+"formatDateTime(Calendar, DATETIME_SHORT) returns:"+result;
  //Long time
  result = fmt.formatDateTime(c,Formatter.TIME_LONG);
  result_set = result_set+"\n"+"formatDateTime(Calendar, TIME_LONG) returns:"+result;
  //Short time
  result = fmt.formatDateTime(c,Formatter.TIME_SHORT);
  result_set = result_set+"\n"+"formatDateTime(Calendar, TIME_SHORT) returns:"+result;
  return result_set;
}
  //Called by the application manager to start the MIDlet.
public void startApp()
{
  display.setCurrent(fmMain);
}
public void pauseApp()
{}
public void destroyApp(boolean unconditional)
{}
//Process events
public void commandAction(Command c, Displayable s)
{
  if (c == cmExit)
  {
    destroyApp(false);
    notifyDestroyed();
  }
  else if( c == cmFormat)
  { //Get the current system date and time
    Date dt = new Date();     
    Calendar cal = Calendar.getInstance();
    cal.setTime(dt);
    siResult.setText(this.formatDatetime(cal));
    displayResult();
  }
}