CollegeCtl.java
package com.sunilos.proj0.ctl;
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.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import com.sunilos.proj0.dto.CollegeDTO;
import com.sunilos.proj0.form.CollegeForm;
import com.sunilos.proj0.service.CollegeServiceInt;
/**
* Contains navigation logics for College and College List usecases.
*
* @author SunilOS
* @version 1.0
* @Copyright (c) SunilOS
*/
@Controller
@RequestMapping(value = "/ctl/College")
public class CollegeCtl extends BaseCtl {
/**
* Logger object
*/
private static Logger log = Logger.getLogger(CollegeCtl.class);
/**
* College Service
*/
@Autowired
private CollegeServiceInt service;
/**
* i18n Message source
*/
@Autowired
private MessageSource messageSource;
/**
* Display Add/Edit College View
*
* @param id
* @param form
* @param model
* @return
*/
@RequestMapping(method = RequestMethod.GET)
public String display(Locale locale,
@RequestParam(required = false) Long id,
@ModelAttribute("form") CollegeForm form, Model model) {
log.debug("In CollegeCtl display start " + id);
if (id != null && id > 0) {
CollegeDTO dto = service.findByPK(id);
form.populate(dto);
}
return "College";
}
/**
* Contains submit logic of Add/Edit College View
*
* @param operation
* @param form
* @param bindingResult
* @param model
* @return
*/
@RequestMapping(method = RequestMethod.POST)
public String submit(Locale locale, @RequestParam String operation,
@ModelAttribute("form") @Valid CollegeForm form,
BindingResult bindingResult, Model model) {
log.debug("operation " + form.getOperation());
if (bindingResult.hasErrors()) {
return "College";
}
CollegeDTO dto = (CollegeDTO) form.getDto();
try {
if (OP_SAVE.equalsIgnoreCase(operation)) {
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:College/search";
}
} catch (Exception e) {
log.error(e);
model.addAttribute("error", "Critical Issue " + e.getMessage());
}
return "College";
}
/**
* Displays College List View
*
* @param form
* @param model
* @return
*/
@RequestMapping(value = "/search", method = { RequestMethod.GET })
public String searchList(@ModelAttribute("form") CollegeForm form,
Model model) {
model.addAttribute("list",
service.search(null, form.getPageNo(), form.getPageSize()));
return "CollegeList";
}
/**
* Contains submit logics of College List View
*
* @param form
* @param operation
* @param model
* @return
*/
@RequestMapping(value = "/search", method = { RequestMethod.GET,
RequestMethod.POST })
public String searchList(Locale locale,
@ModelAttribute("form") CollegeForm form,
@RequestParam(required = false) String operation, Model model) {
log.debug("in collegectl 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
CollegeDTO dto = (CollegeDTO) form.getDto();
model.addAttribute("list",
service.search(dto, pageNo, form.getPageSize()));
return "CollegeList";
}
}