Untitled

<p:outputLabel for="txtClave" value="Clave"></p:outputLabel>
            <p:password id="txtClave" required="true" value="#{indexController.login.password}" />

            <h:column />
            <p:commandButton icon="ui-icon-key"  value="Iniciar Sesion" action="#{indexController.iniciarSesion()}"/>
        </h:panelGrid>
        <p:separator/>
    </h:form>
</h:body>
</html>

import com.mycompany.ejb.LoginFacade;
import com.mycompany.ejb.LoginFacadeLocal;
import com.mycompany.model.Login;
import java.io.Serializable;
import javax.annotation.PostConstruct;
import javax.ejb.EJB;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.faces.view.ViewScoped;
import javax.inject.Named;

@Named
@ViewScoped
public class IndexController implements Serializable {

@EJB
private LoginFacadeLocal EJBLogin;

private Login login;

@PostConstruct
public void init() {
    login = new Login();
}

public Login getLogin() {
    return login;
}

public void setLogin(Login login) {
    this.login = login;
}

public String iniciarSesion() {
    Login lg;
    String redireccion = null;
    try {

        lg = EJBLogin.iniciarSesion(login);

        if (lg != null) {
            redireccion = "/protegido/principal?faces-redirect=true";

        } else {
            FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_WARN, "Aviso", "Failed Login"));
        }

    } catch (Exception e) {
        FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_FATAL, "Aviso", "Error"));

        //
    }
    return redireccion;
}

package com.mycompany.model;

import java.io.Serializable;
import javax.persistence.*;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;

@Entity
@Table(name = "login")
public class Login implements Serializable{

@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private int id;

@Column(name = "username")
private String username;

@Column(name = "password")
private String password;

public int getId() {
    return id;
}

public void setId(int id) {
    this.id = id;
}

public String getUsername() {
    return username;
}

public void setUsername(String username) {
    this.username = username;
}

public String getPassword() {
    return password;
}

public void setPassword(String password) {
    this.password = password;
}

<html xmlns="http://www.w3.org/1999/xhtml"
  xmlns:h="http://xmlns.jcp.org/jsf/html"
  xmlns:p="http://primefaces.org/ui">
<h:head>
    <title>DashBoard</title>
</h:head>
<h:body>
    <h:form>

        <p:panel header="Inicio" footer="Desarrollado por : Miguel Mejia 2016">

            <p:layoutUnit position="center">
                Welcome User : #{indexController.login.username} <br/>
                Date : #{currentDate.currentDate}
            </p:layoutUnit>

            <p:menubar>
                <p:submenu label="Mantenimiento" icon="ui-icon-document">
                    <p:menuitem value="CRUD : Estudiantes" url="laputamadre.jsp"/>
                    <p:separator/>
                    <p:menuitem value="CRUD : Ciudades" url="#"/>
                </p:submenu>

                <p:submenu label="Reporte" icon="ui-icon-pencil">
                    <p:menuitem value="Listado : Estudiantes" url="#"/>
                    <p:separator/>
                    <p:menuitem value="Listado : Ciudades" url="#"/>
                </p:submenu>

                <p:submenu label="Configuracion" icon="ui-icon-help">
                      <p:menuitem value="Mantenimiento : Perfiles" url="#"/>
                    <p:separator/>
                    <p:menuitem value="Mantenimiento : Usuarios" url="#"/>
                </p:submenu>
            </p:menubar>
        </p:panel>


    </h:form>
</h:body>
</html>