br.vschettino.forum.controller.SiteController.java Source code

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Here is the source code for br.vschettino.forum.controller.SiteController.java

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package br.vschettino.forum.controller;

import br.vschettino.forum.dao.DiscussaoDAO;
import br.vschettino.forum.dao.RespostaDAO;
import br.vschettino.forum.dao.UsuarioDAO;
import br.vschettino.forum.model.Discussao;
import br.vschettino.forum.model.Usuario;
import java.io.IOException;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpRequest;
import org.springframework.stereotype.Controller;
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 org.springframework.web.servlet.ModelAndView;

/**
 * Handles requests for the application home page.
 */
@Controller
@RequestMapping(value = { "/site", "/" })
public class SiteController extends br.vschettino.forum.controller.Controller {

    @Autowired
    private UsuarioDAO usuarioDAO;
    @Autowired
    private DiscussaoDAO discussaoDAO;
    @Autowired
    private RespostaDAO respostaDAO;

    @RequestMapping(value = "/")
    public ModelAndView home() {

        List<Discussao> listDiscussao = discussaoDAO.list();
        Long countDiscussoes = discussaoDAO.getCount();
        Long countDiscussoesNaoRespondidas = discussaoDAO.getCountNaoRespondidas();
        Long countRespostas = respostaDAO.getCount();
        ModelAndView model = new ModelAndView("home");
        model.addObject("listDiscussao", listDiscussao);
        model.addObject("countDiscussoes", countDiscussoes);
        model.addObject("countDiscussoesNaoRespondidas", countDiscussoesNaoRespondidas);
        model.addObject("countRespostas", countRespostas);
        return model;
    }

    @RequestMapping(value = "/login", method = RequestMethod.GET)
    public ModelAndView login(HttpServletRequest request) {
        String unauthorized = request.getParameter("unauthorized");
        String error = request.getParameter("error");
        String logout = request.getParameter("logout");
        String errorMessage = "";
        if (unauthorized != null) {
            errorMessage = "No conseguimos localizar seus dados de autenticao. Pode ser que sua sesso tenha expirado. Faa o Login novamente";
        }
        if (error != null) {
            errorMessage = "Usurio e/ou senha incorreto(s)";
        }
        if (logout != null) {
            errorMessage = "Logout efetuado com sucesso.";
        }
        ModelAndView model = new ModelAndView("login");
        model.addObject("errorMessage", errorMessage);
        return model;
    }

    @RequestMapping(value = "/login", method = RequestMethod.POST)
    @ResponseBody
    public ModelAndView login(HttpServletRequest request, HttpServletResponse response,
            @RequestParam("usuario") String usuario, @RequestParam("senha") String senha) {
        Usuario visitante = usuarioDAO.authenticateUsuario(usuario, senha);
        try {
            if (visitante == null) {
                response.sendRedirect(request.getContextPath() + "/web/login?error=true");
                return null;
            }
            request.getSession().setAttribute("usuario", visitante);
            response.sendRedirect(request.getContextPath() + "/web/site/");
        } catch (IOException ex) {
            Logger.getLogger(SiteController.class.getName()).log(Level.SEVERE, null, ex);
        }
        return null;
    }

    @RequestMapping(value = "/logout")
    @ResponseBody
    public ModelAndView logout(HttpServletRequest request, HttpServletResponse response) {
        try {
            request.getSession().removeAttribute("usuario");
            response.sendRedirect(request.getContextPath() + "/web/login?logout=true");

        } catch (IOException ex) {
            Logger.getLogger(SiteController.class.getName()).log(Level.SEVERE, null, ex);
        }
        return null;
    }
}