DiarioController.java

/*
 * 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 br.com.umbernardo.calories.controller;

import br.com.umbernardo.calories.dao.DiarioDAO;
import br.com.umbernardo.calories.model.Diario;
import java.util.List;
import javax.persistence.EntityManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

/**
 *
 * @author ricar
 */
@Controller
public class DiarioController {
    
    @Autowired
    private DiarioDAO diarioDAO;
    private EntityManager em;
    
   @RequestMapping(value="/diario", method=RequestMethod.POST)
    public ModelAndView listarSucesso() {
    ModelAndView mv = new ModelAndView("diario/sucesso");
    List<Diario> diario = diarioDAO.listarSucesso();
    mv.addObject("diario",diario);
    return mv;
    }
  
    @RequestMapping("removeDiario/{id}")
    public String remove(int id) {      
      Diario diario = diarioDAO.buscarDiarioPorId(id);
      dao.remove(diario);
      return "redirect:diario/list";
    }
     
    @RequestMapping("/diario/addForm")
    public String addForm() {
        return "/diario/addForm";
    }
    
    @RequestMapping("/diario/list")
    public ModelAndView listar() {
    ModelAndView mv = new ModelAndView("diario/list");
    List<Diario> diario = diarioDAO.listar();
    mv.addObject("diario",diario);
    return mv;
    }
}

DiarioDAO.java

/*
 * 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 br.com.umbernardo.calories.dao;

import br.com.umbernardo.calories.model.Diario;
import java.util.List;
import javax.jms.Session;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.transaction.Transaction;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

/**
 *
 * @author ricar
 */
@Repository 
@Transactional
public class DiarioDAO {
    
    @PersistenceContext
    private EntityManager em;
    
    public void addDiario(Diario diario) { 
        em.persist(diario);
    }
    public void removeDiario(Diario diario){
        em.remove(diario);
    }
  
    public Diario buscarDiarioPorId(int id){
        Diario diario = em.find(diario.class, id);
        return diario;
    }
    
    public List<Diario> listarSucesso() {
    return em.createQuery("Select p from Diario p", Diario.class).getResultList();
    } 
    
    public List<Diario> listar() {
    return em.createQuery("Select p from Diario p", Diario.class).getResultList();
    } 

    public void remove(Diario diario) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }
     
}

list.jsp

<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>


<%-- 
    Document   : dashboard
    Created on : Nov 30, 2016, 3:50:01 PM
    Author     : ricar
--%>

<jsp:include page ="../_header.jsp"/>

<div class="row">
    <div class="col-sm-12">
        <h1>Contador de Calorias</h1>
    </div>
<div class="col-md-6">
    <h3>Alimentos cadastrados em seu diário</h3>   

        <table style="width:100%">
        <tr>
          <th>Nome do Alimento</th>
          <th>Calorias</th> 
          <th>Quantidade</th>
          <th>Ações</th>
        </tr>
         <c:forEach items="${diario}" var="d">
        <tr>
          <td>${d.nome}</td>
          <td>${d.calorias}</td> 
          <td>${d.quantidade}</td>
          <td> <a style="color:#000000!important" href="/Calories/removeDiario?id=${d.id}">Deletar</a> | <a style="color:#000000!important" href="#">Editar</a></td>
        </tr>
        </c:forEach>
      </table>

    

</div>
    <div class="col-md-6 sidebar-user">
        <ul>
            <li><a  href="/Calories/diario/list">Ver Diário</a></li>
            <li><a  href="/Calories/diario/addForm">Cadastrar Diário</a></li>
            <li><a  href="#">Logout</a></li>
        </ul>
    </div>   
</div>

<jsp:include page ="../_footer.jsp"/>