Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package CRM.web; import java.util.ArrayList; import CRM.Validation.InteractionsValidation; import CRM.objects.Message; import CRM.objects.interactions; import CRM.repository.InteractionsDAO; import java.util.HashMap; import java.util.List; import java.util.logging.Logger; import javax.servlet.http.HttpServletRequest; import javax.validation.Valid; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.validation.BindingResult; import org.springframework.validation.Validator; import org.springframework.web.bind.WebDataBinder; import org.springframework.web.bind.annotation.InitBinder; 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.servlet.ModelAndView; /** * * @author calho */ @Controller public class InteractionsController { @Autowired InteractionsDAO dao; @Autowired private InteractionsValidation interactionsValidation; private static final Logger logger = Logger.getLogger(InteractionsController.class.getName()); @RequestMapping(value = "/interactions/interactionsform", method = RequestMethod.GET) public ModelAndView showform() { interactions interactions = new interactions(); interactions.setClientsMap(dao.getClientsMap()); return new ModelAndView("interactionsform", "interactions", interactions); } @RequestMapping(value = "/interactions/save", method = RequestMethod.POST) public ModelAndView save(@ModelAttribute("interactions") @Valid interactions interactions, BindingResult result, HttpServletRequest request) { if (result.hasErrors()) { return new ModelAndView("interactionsform", "interactions", interactions); } int r = dao.save(interactions); Message msg = null; if (r == 1) { msg = new Message(Message.Level.SUCCESS, "Interaction has been successfully created"); } else { msg = new Message(Message.Level.ERROR, "New interaction creation failed"); } request.getSession().setAttribute("message", msg); return new ModelAndView("redirect:/interactions/viewinteractions"); } @RequestMapping("/interactions/viewinteractions") public ModelAndView viewinteractions(HttpServletRequest request) { return this.viewinteractions(1, request); } @RequestMapping("/interactions/viewinteractions/{pageid}") public ModelAndView viewinteractions(@PathVariable int pageid, HttpServletRequest request) { int total = 25; int start = 1; if (pageid != 1) { start = (pageid - 1) * total + 1; } List<interactions> list = dao.getInteractionsByPage(start, total); logger.info(dao.getInteractionsByPage(start, total).toString()); HashMap<String, Object> context = new HashMap<String, Object>(); context.put("list", list); int count = dao.getInteractionsCount(); context.put("pages", Math.ceil((float) count / (float) total)); context.put("page", pageid); Message msg = (Message) request.getSession().getAttribute("message"); if (msg != null) { context.put("message", msg); request.getSession().removeAttribute("message"); } return new ModelAndView("viewinteractions", context); } @RequestMapping(value = "/interactions/editinteractions/{interaction_id}") public ModelAndView edit(@PathVariable int interaction_id) { interactions interactions = dao.getInteractionsById(interaction_id); return new ModelAndView("interactionseditform", "interactions", interactions); } @RequestMapping(value = "/interactions/editsave", method = RequestMethod.POST) public ModelAndView editsave(@ModelAttribute("interactions") @Valid interactions interactions, BindingResult result, HttpServletRequest request) { if (result.hasErrors()) { return new ModelAndView("interactionseditform", "interactions", interactions); } int r = dao.update(interactions); Message msg = null; if (r == 1) { msg = new Message(Message.Level.SUCCESS, "Interaction has been successfully saved"); } else { msg = new Message(Message.Level.ERROR, "Interaction edit failed"); } request.getSession().setAttribute("message", msg); return new ModelAndView("redirect:/interactions/viewinteractions"); } @RequestMapping(value = "/interactions/deleteinteractions/{interaction_id}", method = RequestMethod.GET) public ModelAndView delete(@PathVariable int interaction_id, HttpServletRequest request) { int r = dao.delete(interaction_id); Message msg = null; if (r == 1) { msg = new Message(Message.Level.SUCCESS, "Interaction has been successfully deleted"); } else { msg = new Message(Message.Level.ERROR, "Interaction deletion failed"); } request.getSession().setAttribute("message", msg); return new ModelAndView("redirect:/interactions/viewinteractions"); } @InitBinder("interactions") public void initBinder(WebDataBinder webDataBinder) { webDataBinder.setValidator((Validator) interactionsValidation); } public InteractionsValidation getInteractionsValidation() { return interactionsValidation; } public void setInteractionsValidation(InteractionsValidation interactionsValidation) { this.interactionsValidation = interactionsValidation; } }