MarksheetCtl.java
package com.sunilos.proj0.ctl;
import java.util.List;
import java.util.Locale;
import javax.validation.Valid;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.MessageSource;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import com.sunilos.proj0.dto.MarksheetDTO;
import com.sunilos.proj0.dto.StudentDTO;
import com.sunilos.proj0.form.MarksheetForm;
import com.sunilos.proj0.service.MarksheetServiceInt;
import com.sunilos.proj0.service.StudentServiceInt;
/**
* Contains navigation logics for Marksheet, Marksheet List, Merit List, and
* GetMarksheet Usecases.
*
* @author SunilOS
* @version 1.0
* @Copyright (c) SunilOS
*/
@Controller
@RequestMapping(value = "/ctl/Marksheet")
public class MarksheetCtl extends BaseCtl {
/**
* Logger object
*/
private static Logger log = Logger.getLogger(CollegeCtl.class);
@Autowired
MarksheetServiceInt service;
@Autowired
StudentServiceInt studentService;
/**
* i18n Message source
*/
@Autowired
private MessageSource messageSource;
/**
* Preload Student List
*/
@Override
public void preload(Model model) {
model.addAttribute("studentList", studentService.search(null));
}
/**
* Displays Marksheet view.
*
* @param id
* @param form
* @param model
* @return
*/
@RequestMapping(method = RequestMethod.GET)
public String display(@RequestParam(required = false) Long id,
@ModelAttribute("form") MarksheetForm form, Model model) {
if (id != null && id > 0) {
form.populate(service.findByPK(id));
}
return "Marksheet";
}
/**
* Submits Marksheet data.
*
* @param locale
* @param operation
* @param form
* @param bindingResult
* @param model
* @return
*/
@RequestMapping(method = RequestMethod.POST)
public String submit(Locale locale, @RequestParam String operation,
@ModelAttribute("form") @Valid MarksheetForm form,
BindingResult bindingResult, Model model) {
if (bindingResult.hasErrors()) {
return "Marksheet";
}
try {
if (OP_SAVE.equalsIgnoreCase(operation)) {
MarksheetDTO dto = (MarksheetDTO) form.getDto();
StudentDTO sdto = studentService.findByPK(form.getStudentId());
dto.setName(sdto.getValue());
if (dto.getId() > 0) {
service.update(dto);
} else {
Long id = service.add(dto);
form.setId(id);
}
String msg = messageSource.getMessage("message.success", null,
locale);
model.addAttribute("success", msg);
} else if (OP_DELETE.equalsIgnoreCase(operation)) {
service.delete(form.getId());
String msg = messageSource.getMessage("message.success", null,
locale);
model.addAttribute("success", msg);
return "redirect:Marksheet/search";
}
} catch (Exception e) {
e.printStackTrace();
model.addAttribute("error", "Critical Issue " + e.getMessage());
}
return "Marksheet";
}
/**
* Displays Marksheet List View.
*
* @param form
* @param model
* @return
*/
@RequestMapping(value = "/search", method = RequestMethod.GET)
public String searchList(@ModelAttribute("form") MarksheetForm form,
Model model) {
model.addAttribute("list",
service.search(null, form.getPageNo(), form.getPageSize()));
return "MarksheetList";
}
/**
* Submits Marskheet List data.
*
* @param locale
* @param form
* @param operation
* @param model
* @return
*/
@RequestMapping(value = "/search", method = RequestMethod.POST)
public String searchList(Locale locale,
@ModelAttribute("form") MarksheetForm form,
@RequestParam(required = false) String operation, Model model) {
log.debug("in searchList method");
// Calculate next page number
int pageNo = form.getPageNo();
if (OP_NEXT.equals(operation)) {
pageNo++;
} else if (OP_PREVIOUS.equals(operation)) {
pageNo--;
}
pageNo = (pageNo < 1) ? 1 : pageNo;
form.setPageNo(pageNo);
if (OP_DELETE.equals(operation) && form.getIds() != null) {
for (long id : form.getIds()) {
service.delete(id);
}
String msg = messageSource.getMessage("message.success", null,
locale);
model.addAttribute("success", msg);
}
// Get search attributes
MarksheetDTO dto = (MarksheetDTO) form.getDto();
model.addAttribute("list",
service.search(dto, form.getPageNo(), form.getPageSize()));
return "MarksheetList";
}
/**
* Displays Meritlist view.
*
* @param form
* @param model
* @return
*/
@RequestMapping(value = "/meritlist", method = RequestMethod.GET)
public String getMeritList(@ModelAttribute("form") MarksheetForm form,
Model model) {
List meritList = service.getMeritList(0, 0);
model.addAttribute("list", meritList);
return "GetMeritList";
}
/**
* Gets Marksheet.
*
* @param form
* @param model
* @return
*/
@RequestMapping(value = "/get", method = RequestMethod.GET)
public String getMarksheet(@ModelAttribute("form") MarksheetForm form,
Model model) {
MarksheetDTO dto = service.findByRollNo(form.getRollNo());
if (dto != null) {
form.populate(dto);
} else {
model.addAttribute("error", "Invalid Roll Number");
}
return "GetMarksheet";
}
}