Tag: login

Guys, I am doing a project of login, logout and registration with jsf, primefaces and mysql. Well when I try to log in, my login button does not take any action, do you know how to inform me of a possible error?

this user is created in the bank, follow my code xhtml

    
        
            
                
                    
                    
                    
                    
                    
                

                faça seu cadastro aqui!
                
                
            
        
    

My manager: Support methods.

package manager;

import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpSession;

import entity.Usuario;
import persistence.UsuarioDao;

@ManagedBean(name="mb")
@RequestScoped
public class ManagerBean {

    private Usuario usuario;
    private Usuario logado;


    public ManagerBean() {
        this.usuario = new Usuario();
    }


    public Usuario getUsuario() {
        return usuario;
    }


    public void setUsuario(Usuario usuario) {
        this.usuario = usuario;
    }


    public Usuario getLogado() {
        return logado;
    }


    public void setLogado(Usuario logado) {
        this.logado = logado;
    }

    public String logar(){// metodo para logar
        FacesContext fc = FacesContext.getCurrentInstance();
        HttpSession session =(HttpSession)
                fc.getCurrentInstance().getExternalContext().getSession(true);
        try {
            this.logado = new UsuarioDao().findByLogin(this.usuario);
            if(this.logado != null) {
                session.setAttribute("Logado", logado);
                return "logado.jsf?faces-redirect";
            }else {
                session.setAttribute("Logado", "");
                fc.addMessage(null, new FacesMessage("Não logado,Favor se cadastrar"));
                return null;
            }
            }catch(Exception ex){
                return null;
            }

        }

        public void criar() { //metodo para criar usuario 
            FacesContext fc= FacesContext.getCurrentInstance();
            try{
                new UsuarioDao().create(this.usuario);
                this.usuario = new Usuario();
                fc.addMessage(null, new FacesMessage("Dados cadastrados"));
            }catch(Exception ex) {
                fc.addMessage(null , new FacesMessage("Erro: "+ ex.getMessage()));

            }

        }

        public String logout() { //metodo logout
             FacesContext fc = FacesContext.getCurrentInstance();
             try {
            HttpSession session = (HttpSession) 
                     fc.getExternalContext().getSession(true);
            session.invalidate(); 
       fc.addMessage("form1",   new FacesMessage("Logout Realizado"));
             }catch(Exception ex) {
    fc.addMessage("form1", new FacesMessage("Error:" + ex.getMessage()));
             }
             return "sistema.jsf?faces-redirect";
        }

         public void verificarLogin() {
             try {
                  if (logado==null) {
                       this.usuario = new Usuario();
                  FacesContext.getCurrentInstance().getExternalContext().
                          redirect("sistema.jsf");
                  }

             }catch(Exception ex) {

             }
         }


    }

My damage

package persistence;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

public class Dao {

    Connection con;
    PreparedStatement stmt;
    ResultSet rs;

    public void open()throws Exception{
        Class.forName("com.mysql.jdbc.Driver");
        con=DriverManager.getConnection
                ("jdbc:mysql://localhost:3306/bdbelem","root","senha");
    }
    public void close() throws Exception{
        con.close();
    }

}