| public org.apache.struts.action.ActionForward | execute(org.apache.struts.action.ActionMapping mapping, org.apache.struts.action.ActionForm form, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
// create the weather bean
WeeklyWeather weather = new WeeklyWeather();
// create a list to hold the forecast
List list = new ArrayList();
list.addAll( weather.getWeekForecast() );
// get the sort by request param
String sortBy = request.getParameter("sortBy");
// get the reverse request param
boolean reverse = false;
String reverseParam = request.getParameter("reverse");
if (reverseParam != null)
reverse = Boolean.valueOf(reverseParam).booleanValue();
// sort the list
if (sortBy != null) {
Comparator comparator = new BeanComparator(sortBy);
if(reverse) comparator = new ReverseComparator(comparator);
Collections.sort( list, comparator );
}
// add the list as a request attribute and forward to the JSP
request.setAttribute( "weekForecast", list );
return mapping.findForward("success");
|
