/**
* Handles the results pagination
*
* @author Coni
* @param request
* @param command
* @return
* @throws BusinessException
*/
private ModelAndView handlePagination(
HttpServletRequest request, ArrayList<String> errorMessages, Object command)
throws BusinessException {
logger.debug("handlePagination - START");
ModelAndView mav = new ModelAndView(getSuccessView());
SearchExchangeBean searchExchangeBean = (SearchExchangeBean) command;
UserAuth userAuth =
(UserAuth) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
try {
if (request.getParameter(PAGE) != null) {
if (NEXT.equals(request.getParameter(PAGE))) {
searchExchangeBean.setCurrentPage(searchExchangeBean.getCurrentPage() + 1);
}
if (PREV.equals(request.getParameter(PAGE))) {
searchExchangeBean.setCurrentPage(searchExchangeBean.getCurrentPage() - 1);
}
if (FIRST.equals(request.getParameter(PAGE))) {
searchExchangeBean.setCurrentPage(1);
}
if (LAST.equals(request.getParameter(PAGE))) {
searchExchangeBean.setCurrentPage(searchExchangeBean.getNbrOfPages());
}
if (NUMBER.equals(request.getParameter(PAGE))) {
if (request.getParameter(PAGE_NBR) != null
&& !"".equals(request.getParameter(PAGE_NBR))) {
searchExchangeBean.setCurrentPage(Integer.parseInt(request.getParameter(PAGE_NBR)));
} else {
// something is wrong
// I will show the first page
searchExchangeBean.setCurrentPage(-1);
}
}
}
} catch (Exception e) {
// something is wrong
// I will show the first page
logger.error(PAGINATION_ERROR, e);
searchExchangeBean.setCurrentPage(-1);
}
List<Exchange> res = null;
try {
res = BLExchange.getInstance().getResultsForSearch(searchExchangeBean, false);
DecimalFormat dfReal = (DecimalFormat) NumberFormat.getInstance(Locale.ENGLISH);
dfReal.applyPattern("# ### ### ##0.0000");
DecimalFormat dfInt = (DecimalFormat) NumberFormat.getInstance(Locale.ENGLISH);
dfInt.applyPattern("# ### ### ###");
// set the exchange info panel header name
for (Exchange exchange : res) {
String headerName =
exchange
.getFirstCurrency()
.getInitials()
.concat(" - ")
.concat(exchange.getSecondCurrency().getInitials());
String panelHeaderName =
ControllerUtils.getInstance().truncateName(headerName, NR_CHARS_PANEL_HEADER);
exchange.setPanelHeaderName(panelHeaderName);
if ((exchange.getRate() * 10) % 10 != 0) {
exchange.setFormattedRate(dfReal.format(exchange.getRate()));
} else {
exchange.setFormattedRate(dfInt.format(exchange.getRate()));
}
}
mav.addObject(SEARCH_RESULTS, res);
} catch (BusinessException be) {
logger.error(be.getMessage(), be);
mav = new ModelAndView(IConstant.FORM_VIEW_MESSAGES);
errorMessages.add(
messageSource.getMessage(
SEARCH_ERROR,
new Object[] {be.getCode(), ControllerUtils.getInstance().getFormattedCurrentTime()},
RequestContextUtils.getLocale(request)));
} catch (Exception e) {
logger.error("", e);
mav = new ModelAndView(IConstant.FORM_VIEW_MESSAGES);
errorMessages.add(
messageSource.getMessage(
SEARCH_ERROR,
new Object[] {ControllerUtils.getInstance().getFormattedCurrentTime()},
RequestContextUtils.getLocale(request)));
}
mav.addObject(SEARCH_RESULTS, res);
// find the number of pages shown in pagination area
ControllerUtils.getInstance().findPagesLimit(searchExchangeBean, PAGES);
mav.addObject(SEARCH_EXCHANGE_BEAN, searchExchangeBean);
mav.addObject(COMMAND, command);
logger.debug("handlePagination - END");
return mav;
}
