org.openbizview.util.Bvt002.java Source code

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/*
 *  Copyright (C) 2011 - 2016  DVCONSULTORES
    
Este programa es software libre: usted puede redistribuirlo y/o modificarlo 
bajo los terminos de la Licencia Pblica General GNU publicada 
por la Fundacion para el Software Libre, ya sea la version 3 
de la Licencia, o (a su eleccion) cualquier version posterior.
    
Este programa se distribuye con la esperanza de que sea til, pero 
SIN GARANTiA ALGUNA; ni siquiera la garantia implicita 
MERCANTIL o de APTITUD PARA UN PROPoSITO DETERMINADO. 
Consulte los detalles de la Licencia Pblica General GNU para obtener 
una informacion mas detallada. 
    
Deberia haber recibido una copia de la Licencia Pblica General GNU 
junto a este programa. 
En caso contrario, consulte <http://www.gnu.org/licenses/>.
 */

package org.openbizview.util;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
import java.io.IOException;
import java.io.Serializable;
import java.sql.*;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.annotation.PostConstruct;
import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.ViewScoped;
import javax.faces.context.FacesContext;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.servlet.http.HttpServletRequest;
import javax.sql.DataSource;

import org.apache.commons.lang3.StringUtils;
import org.primefaces.context.RequestContext;
import org.primefaces.model.LazyDataModel;
import org.primefaces.model.SortOrder;

/**
 *
 * @author Andres
 */
@ManagedBean
@ViewScoped
public class Bvt002 extends Bd implements Serializable {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    private LazyDataModel<Bvt002> lazyModel;

    /**
    * @return the lazyModel
    */
    public LazyDataModel<Bvt002> getLazyModel() {
        return lazyModel;
    }

    @PostConstruct
    public void init() {
        if (instancia == null) {
            instancia = "99999";
        }

        //Si no tiene acceso al mdulo no puede ingresar
        if (new SeguridadMenuBean().opcmnu("M15") == "false") {
            RequestContext.getCurrentInstance().execute("PF('idleDialogNP').show()");
        }

        lazyModel = new LazyDataModel<Bvt002>() {
            /**
             * 
             */
            private static final long serialVersionUID = 7217573531435419432L;

            @Override
            public List<Bvt002> load(int first, int pageSize, String sortField, SortOrder sortOrder,
                    Map<String, Object> filters) {
                //Filtro
                if (filters != null) {
                    for (Iterator<String> it = filters.keySet().iterator(); it.hasNext();) {
                        String filterProperty = it.next(); // table column name = field name
                        filterValue = filters.get(filterProperty);
                    }
                }
                try {
                    //Consulta
                    select(first, pageSize, sortField, filterValue);
                    //
                    selectRoles();
                    //Counter
                    counter(filterValue);
                    //Contador lazy
                    lazyModel.setRowCount(rows); //Necesario para crear la paginacin
                } catch (SQLException | NamingException | ClassNotFoundException e) {
                    e.printStackTrace();
                }
                return list;
            }

            //Arregla bug de primefaces
            @Override
            /**
            * Arregla el Issue 1544 de primefaces lazy loading porge generaba un error
            * de divisor equal a cero, es solamente un override
            */
            public void setRowIndex(int rowIndex) {
                /*
                 * The following is in ancestor (LazyDataModel):
                 * this.rowIndex = rowIndex == -1 ? rowIndex : (rowIndex % pageSize);
                 */
                if (rowIndex == -1 || getPageSize() == 0) {
                    super.setRowIndex(-1);
                } else
                    super.setRowIndex(rowIndex % getPageSize());
            }

        };
        if (vusuario == null) {
            vusuario = "";
        }
    }

    private String coduser = "";
    private String desuser = "";
    private String cluser = "";
    private String cluser1 = "";
    private String b_codrol = "";
    private String desrol = "";
    private String cluserold = "";
    private String mail = "";
    private int columns;
    private String[][] arr;
    private Object filterValue = "";
    private List<Bvt002> list = new ArrayList<Bvt002>();
    List<Bvt002> listRoles = new ArrayList<Bvt002>();
    @SuppressWarnings("unchecked")
    List<Bvt002> listRolesSession = (List<Bvt002>) FacesContext.getCurrentInstance().getExternalContext()
            .getSessionMap().get("listRolesSession");

    private int validarOperacion = 0;
    private String instancia = "";
    private String instancia_insert = (String) FacesContext.getCurrentInstance().getExternalContext()
            .getSessionMap().get("instancia"); //Usuario logeado
    //Cambio de password
    StringMD md = new StringMD();
    private String randomKey;

    //Roles adicionales
    private String vcodrol;
    private String vdesrol;
    private String isRol;

    /**
     * @return the mail
     */
    public String getMail() {
        return mail;
    }

    /**
     * @param mail the mail to set
     */
    public void setMail(String mail) {
        this.mail = mail;
    }

    /**
    * @return the cluser1
    */
    public String getCluser1() {
        return cluser1;
    }

    /**
     * @param cluser1 the cluser1 to set
     */
    public void setCluser1(String cluser1) {
        this.cluser1 = cluser1;
    }

    /**
    * @return the coduser
    */
    public String getCoduser() {
        return coduser;
    }

    /**
     * @param coduser the coduser to set
     */
    public void setCoduser(String coduser) {
        this.coduser = coduser;
    }

    /**
     * @return the desuser
     */
    public String getDesuser() {
        return desuser;
    }

    /**
     * @param desuser the desuser to set
     */
    public void setDesuser(String desuser) {
        this.desuser = desuser;
    }

    /**
     * @return the cluser
     */
    public String getCluser() {
        return cluser;
    }

    /**
     * @param cluser the cluser to set
     */
    public void setCluser(String cluser) {
        this.cluser = cluser;
    }

    /**
     * @return the b_codrol
     */
    public String getb_codrol() {
        return b_codrol;
    }

    /**
     * @param b_codrol the b_codrol to set
     */
    public void setb_codrol(String b_codrol) {
        this.b_codrol = b_codrol;
    }

    /**
     * @return the cluserold
     */
    public String getCluserold() {
        return cluserold;
    }

    /**
     * @param cluserold the cluserold to set
     */
    public void setCluserold(String cluserold) {
        this.cluserold = cluserold;
    }

    /**
     * @return the validarOperacion
     */
    public int getValidarOperacion() {
        return validarOperacion;
    }

    /**
     * @param validarOperacion the validarOperacion to set
     */
    public void setValidarOperacion(int validarOperacion) {
        this.validarOperacion = validarOperacion;
    }

    /**
     * @param rows the rows to set
     */
    public void setRows(int rows) {
        this.rows = rows;
    }

    /**
     * @return the desrol
     */
    public String getDesrol() {
        return desrol;
    }

    /**
     * @param desrol the desrol to set
     */
    public void setDesrol(String desrol) {
        this.desrol = desrol;
    }

    /**
     * @return the instancia
     */
    public String getInstancia() {
        return instancia;
    }

    /**
     * @param instancia the instancia to set
     */
    public void setInstancia(String instancia) {
        this.instancia = instancia;
    }

    /**
     * @return the vcodrol
     */
    public String getVcodrol() {
        return vcodrol;
    }

    /**
     * @param vcodrol the vcodrol to set
     */
    public void setVcodrol(String vcodrol) {
        this.vcodrol = vcodrol;
    }

    /**
     * @return the vdesrol
     */
    public String getVdesrol() {
        return vdesrol;
    }

    /**
     * @param vdesrol the vdesrol to set
     */
    public void setVdesrol(String vdesrol) {
        this.vdesrol = vdesrol;
    }

    /**
     * @return the isRol
     */
    public String getIsRol() {
        return isRol;
    }

    /**
     * @param isRol the isRol to set
     */
    public void setIsRol(String isRol) {
        this.isRol = isRol;
    }

    /**
     * @return the listRoles
     */
    public List<Bvt002> getListRoles() {
        return listRoles;
    }

    /**
     * @return the listRolesSession
     */
    public List<Bvt002> getListRolesSession() {
        return listRolesSession;
    }

    /**
     * @param listRolesSession the listRolesSession to set
     */
    public void setListRolesSession(List<Bvt002> listRolesSession) {
        FacesContext.getCurrentInstance().getExternalContext().getSessionMap().put("listRolesSession",
                listRolesSession);
    }

    /**
     * @param listRoles the listRoles to set
     */
    public void setListRoles(List<Bvt002> listRoles) {
        this.listRoles = listRoles;
    }

    /**
     * @return the vusuario
     */
    public String getVusuario() {
        return vusuario;
    }

    /**
     * @param vusuario the vusuario to set
     */
    public void setVusuario(String vusuario) {
        this.vusuario = vusuario;
    }

    ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //Variables seran utilizadas para capturar mensajes de errores de Oracle y parametros de metodos
    FacesMessage msj = null;
    PntGenerica consulta = new PntGenerica();
    boolean vGacc; //Validador de opciones del men
    private int rows; //Registros de tabla
    private String login = (String) FacesContext.getCurrentInstance().getExternalContext().getSessionMap()
            .get("usuario"); //Usuario logeado
    private String vusuario = (String) FacesContext.getCurrentInstance().getExternalContext().getSessionMap()
            .get("bcoduser"); //Usuario logeado
    ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    //Coneccion a base de datos
    //Pool de conecciones JNDI
    Connection con;
    PreparedStatement pstmt = null;
    ResultSet r;

    /**
     * Inserta rol al crear un usuario con una instancia diferente.
     **/
    private void insertRol(String pinstancia, String pcodrol) throws NamingException {

        try {
            Context initContext = new InitialContext();
            DataSource ds = (DataSource) initContext.lookup(JNDI);
            con = ds.getConnection();

            String query = "insert into bvt003 select codrol, desrol, usrcre, feccre, usract, fecact," + pinstancia
                    + " from bvt003 where codrol = '" + pcodrol + "'";
            pstmt = con.prepareStatement(query);
            //System.out.println(query);
            try {
                //Avisando
                pstmt.executeUpdate();
            } catch (SQLException e) {
                e.printStackTrace();
            }
            pstmt.close();
            con.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
      * Inserta Usuarios.
      * <p>
      * Parmetros del Mtodo: String coduser, String desuser, String clave, String b_codrol.
      **/
    public void insert() throws NamingException {
        String vlquery = "select coduser from bvt002 where coduser = '" + coduser.toUpperCase() + "'";
        PntGenerica select = new PntGenerica();
        select.selectPntGenerica(vlquery, JNDI);
        int rows = select.getRows();
        if (rows > 0) {
            msj = new FacesMessage(FacesMessage.SEVERITY_FATAL, getMessage("html49"), "");
        } else {

            //Valida que los campos no sean nulos
            String[] veccodrol = b_codrol.split("\\ - ", -1);
            String[] vecinst = instancia.split("\\ - ", -1);

            if (!instancia.equals(instancia_insert)) {
                insertRol(vecinst[0], veccodrol[0]);
            }

            try {
                Context initContext = new InitialContext();
                DataSource ds = (DataSource) initContext.lookup(JNDI);
                con = ds.getConnection();

                String query = "INSERT INTO Bvt002 VALUES (?,?,?,?,?,'" + getFecha() + "',?,'" + getFecha()
                        + "',?,?)";
                //Solo proagro
                //String query = "INSERT INTO Bvt002 VALUES (?,?,?,?,?,'" + getFecha() + "',?,'" + getFecha() + "',?,?,'','')";
                pstmt = con.prepareStatement(query);
                pstmt.setString(1, coduser.toUpperCase().trim());
                pstmt.setString(2, desuser.toUpperCase());
                pstmt.setString(3, md.getStringMessageDigest(cluser, StringMD.SHA256));
                pstmt.setString(4, veccodrol[0].toUpperCase());
                pstmt.setString(5, login);
                pstmt.setString(6, login);
                pstmt.setString(7, mail.toLowerCase());
                pstmt.setInt(8, Integer.parseInt(vecinst[0]));

                ////System.out.println(query);
                try {
                    //Avisando
                    pstmt.executeUpdate();
                    msj = new FacesMessage(FacesMessage.SEVERITY_INFO, getMessage("msnInsert"), "");
                    limpiarValores();

                } catch (SQLException e) {
                    msj = new FacesMessage(FacesMessage.SEVERITY_FATAL, e.getMessage(), "");
                }

                pstmt.close();
                con.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        FacesContext.getCurrentInstance().addMessage(null, msj);
    }

    public void delete() throws NamingException {
        HttpServletRequest request = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext()
                .getRequest();
        String[] chkbox = request.getParameterValues("toDelete");

        if (chkbox == null) {
            msj = new FacesMessage(FacesMessage.SEVERITY_WARN, getMessage("del"), "");
        } else {
            try {

                Context initContext = new InitialContext();
                DataSource ds = (DataSource) initContext.lookup(JNDI);

                con = ds.getConnection();

                String param = "'" + StringUtils.join(chkbox, "','") + "'";

                String query = "DELETE from Bvt002 WHERE coduser in (" + param + ")";

                pstmt = con.prepareStatement(query);
                ////System.out.println(query);

                try {
                    //Avisando
                    pstmt.executeUpdate();
                    msj = new FacesMessage(FacesMessage.SEVERITY_INFO, getMessage("msnDelete"), "");

                    limpiarValores();
                } catch (SQLException e) {
                    e.printStackTrace();
                    msj = new FacesMessage(FacesMessage.SEVERITY_FATAL, e.getMessage(), "");
                }

                pstmt.close();
                con.close();

            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        FacesContext.getCurrentInstance().addMessage(null, msj);
    }

    /**
    * Actualiza Usuarios
    * <p> Parmetros del Mtodo: String coduser, String desuser, String cluser, String p_codrol.
    **/
    public void update() throws NamingException {

        String[] veccodrol = b_codrol.split("\\ - ", -1);

        try {

            Context initContext = new InitialContext();
            DataSource ds = (DataSource) initContext.lookup(JNDI);

            con = ds.getConnection();

            if (instancia == "") {
                instancia = "0 - ";
            }
            String[] vecinst = instancia.split("\\ - ", -1);

            String query = "UPDATE Bvt002";
            query += " SET DESUSER = '" + desuser.toUpperCase() + "'";
            query += " , B_CODROL = '" + veccodrol[0].toUpperCase() + "'";
            query += " , MAIL = '" + mail.toLowerCase() + "'";
            query += " , instancia = '" + vecinst[0] + "'";
            query += " WHERE CODUSER = '" + coduser.toUpperCase() + "'";

            //System.out.println(query);
            pstmt = con.prepareStatement(query);
            try {
                //Avisando
                pstmt.executeUpdate();
                if (pstmt.getUpdateCount() == 0) {
                    msj = new FacesMessage(FacesMessage.SEVERITY_ERROR, getMessage("msnNoUpdate"), "");
                } else {
                    msj = new FacesMessage(FacesMessage.SEVERITY_INFO, getMessage("msnUpdate"), "");
                }
                desuser = "";
                cluser = "";
                b_codrol = "";
                cluserold = "";
                mail = "";
                instancia = "";
            } catch (SQLException e) {
                e.printStackTrace();
                msj = new FacesMessage(FacesMessage.SEVERITY_FATAL, e.getMessage(), "");
            }

            pstmt.close();
            con.close();

        } catch (Exception e) {
            e.printStackTrace();
        }
        FacesContext.getCurrentInstance().addMessage(null, msj);
    }

    public void guardar() throws NamingException, SQLException {
        if (validarOperacion == 0) {
            insert();
        } else {
            update();
        }
    }

    /**
     * Actualiza Usuarios
     * <p> Parmetros del Mtodo: String coduser, String desuser, String cluser, String p_codrol.
     **/
    public void updatea() throws NamingException {
        try {
            Context initContext = new InitialContext();
            DataSource ds = (DataSource) initContext.lookup(JNDI);

            con = ds.getConnection();
            //Class.forName(getDriver());
            //con = DriverManager.getConnection(
            //        getUrl(), getUsuario(), getClave());
            String query = "UPDATE Bvt002";
            query += " SET CLUSER = ?";
            query += " WHERE CODUSER = ?";
            pstmt = con.prepareStatement(query);
            pstmt.setString(1, md.getStringMessageDigest(cluser, StringMD.SHA256));
            pstmt.setString(2, login.toUpperCase());
            try {
                if (!cluser.equals(cluser1)) {
                    msj = new FacesMessage(FacesMessage.SEVERITY_ERROR, getMessage("bvt002Cl1Msj"), "");
                } else {
                    //Avisando
                    pstmt.executeUpdate();
                    msj = new FacesMessage(FacesMessage.SEVERITY_INFO, getMessage("bvt002up"), "");

                }
            } catch (SQLException e) {
                e.printStackTrace();
                msj = new FacesMessage(FacesMessage.SEVERITY_FATAL, e.getMessage(), "");
            }
            pstmt.close();
            con.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
        FacesContext.getCurrentInstance().addMessage(null, msj);
    }

    /**
     * Leer Datos de paises
     * @throws NamingException 
     * @throws IOException 
     **/
    public void select(int first, int pageSize, String sortField, Object filterValue)
            throws SQLException, ClassNotFoundException, NamingException {

        Context initContext = new InitialContext();
        DataSource ds = (DataSource) initContext.lookup(JNDI);
        con = ds.getConnection();
        //Reconoce la base de datos de coneccin para ejecutar el query correspondiente a cada uno
        DatabaseMetaData databaseMetaData = con.getMetaData();
        productName = databaseMetaData.getDatabaseProductName();//Identifica la base de datos de coneccin

        String query = "";

        switch (productName) {
        case "Oracle":
            query += "  select * from ";
            query += " ( select query.*, rownum as rn from";
            query += " (SELECT trim(A.CODUSER) , trim(A.DESUSER), trim(A.CLUSER), trim(A.B_CODROL), trim(B.DESROL), trim(a.mail), a.instancia||' - '||trim(c.descripcion)";
            query += " FROM Bvt002 A, BVT003 B, INSTANCIAS C ";
            query += " WHERE A.B_CODROL=B.CODROL";
            query += " and A.instancia=b.instancia";
            query += " and A.instancia=c.instancia";
            query += " AND A.CODUSER like '" + coduser.toUpperCase() + "%'";
            query += " AND A.instancia like '" + instancia_insert + "%'";
            query += " AND A.CODUSER||A.DESUSER like '%" + ((String) filterValue).toUpperCase() + "%'";
            query += " order by " + sortField + ") query";
            query += " ) where rownum <= " + pageSize;
            query += " and rn > (" + first + ")";
            break;
        case "PostgreSQL":
            query += " SELECT trim(A.CODUSER) , trim(A.DESUSER), trim(A.CLUSER), trim(A.B_CODROL), trim(B.DESROL), trim(a.mail), a.instancia||' - '||trim(c.descripcion)";
            query += " FROM Bvt002 A inner JOIN INSTANCIAS C ON a.INSTANCIA=c.INSTANCIA, BVT003 B";
            query += " WHERE A.B_CODROL=B.CODROL ";
            query += " and A.INSTANCIA=B.INSTANCIA ";
            query += " AND cast(A.instancia as text) like '" + instancia_insert + "%'";
            query += " AND A.CODUSER||A.DESUSER like '%" + ((String) filterValue).toUpperCase() + "%'";
            query += " AND A.CODUSER like '" + coduser.toUpperCase() + "%'";
            query += " order by " + sortField;
            query += " LIMIT " + pageSize;
            query += " OFFSET " + first;
            break;
        case "Microsoft SQL Server":
            query += "SELECT * FROM (SELECT ";
            query += "            ROW_NUMBER() OVER (ORDER BY A.CODUSER ASC) AS ROW_NUM, ";
            query += "            A.CODUSER , A.DESUSER, A.CLUSER, A.B_CODROL, B.DESROL, a.mail, a.instancia ";
            query += "            FROM Bvt002 A, BVT003 B ";
            query += "            WHERE A.B_CODROL=B.CODROL) TOT ";
            query += "WHERE  ";
            query += "TOT.CODUSER + TOT.DESUSER LIKE '%" + ((String) filterValue).toUpperCase() + "%')) ";
            query += " AND A.instancia like '" + instancia_insert + "%'";
            query += " AND TOT.CODUSER like '" + coduser.toUpperCase() + "%'";
            query += "AND TOT.ROW_NUM <= " + pageSize;
            query += "AND TOT.ROW_NUM > " + first;
            query += "ORDER BY " + sortField;
        }

        pstmt = con.prepareStatement(query);
        //System.out.println(query);

        r = pstmt.executeQuery();

        while (r.next()) {
            Bvt002 select = new Bvt002();
            select.setCoduser(r.getString(1));
            select.setDesuser(r.getString(2));
            select.setCluser(r.getString(3));
            select.setb_codrol(r.getString(4) + " - " + r.getString(5));
            select.setDesrol(r.getString(5));
            select.setMail(r.getString(6));
            select.setInstancia(r.getString(7));
            //Agrega la lista
            list.add(select);
        }
        //Cierra las conecciones
        pstmt.close();
        con.close();
    }

    /**
     * Leer registros en la tabla
     * @throws NamingException 
     * @throws IOException 
     **/
    public void counter(Object filterValue) throws SQLException, NamingException {
        try {
            Context initContext = new InitialContext();
            DataSource ds = (DataSource) initContext.lookup(JNDI);
            con = ds.getConnection();
            //Reconoce la base de datos de coneccin para ejecutar el query correspondiente a cada uno
            DatabaseMetaData databaseMetaData = con.getMetaData();
            productName = databaseMetaData.getDatabaseProductName();//Identifica la base de datos de coneccin

            String query = "";

            switch (productName) {
            case "Oracle":
                query = "SELECT count_bvt002('" + ((String) filterValue).toUpperCase() + "') from dual";
                break;
            case "PostgreSQL":
                query = "SELECT count_bvt002('" + ((String) filterValue).toUpperCase() + "')";
                break;
            case "Microsoft SQL Server":
                query = "SELECT DBO.count_bvt002('" + ((String) filterValue).toUpperCase() + "')";
                break;
            }

            pstmt = con.prepareStatement(query);
            //System.out.println(query);

            r = pstmt.executeQuery();

            while (r.next()) {
                rows = r.getInt(1);
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
        //Cierra las conecciones
        pstmt.close();
        con.close();
        r.close();

    }

    /**
     * Leer datos de Usuarios
     *<p> Parmetros del Mtodo: String coduser, String desuser.
      * * Fila desde y hasta para paginacin, orden de la consulta.
     * @throws NamingException 
     * @throws IOException 
     **/

    @SuppressWarnings("null")
    public void selectBvt002a(String usuario, String orden, String pool) throws NamingException {

        //Pool de conecciones JNDI. Cambio de metodologa de conexin a bd. Julio 2010
        Context initContext = new InitialContext();
        DataSource ds = (DataSource) initContext.lookup(JNDI);
        try {
            Statement stmt = null;
            ResultSet rs;
            Connection con = ds.getConnection();

            String query = "SELECT CODUSER , DESUSER" + " FROM Bvt002" + " WHERE CODUSER = '"
                    + usuario.toUpperCase() + "'" + " ORDER BY " + orden;
            //System.out.println(query);
            try {
                rs = stmt.executeQuery(query);
                rows = 1;
                rs.last();
                rows = rs.getRow();
                //System.out.println(rows);

                ResultSetMetaData rsmd = rs.getMetaData();
                columns = rsmd.getColumnCount();
                //System.out.println(columns);
                arr = new String[rows][columns];

                int i = 0;
                rs.beforeFirst();
                while (rs.next()) {
                    for (int j = 0; j < columns; j++)
                        arr[i][j] = rs.getString(j + 1);
                    i++;
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
            stmt.close();
            con.close();

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * Leer Datos de Usuarios
     *<p> Parametros del Metodo: String coduser, String desuser.
     * String pool
    * @throws IOException 
     **/
    public void selectLogin(String user, String pool) throws NamingException {

        //Pool de conecciones JNDI. Cambio de metodologia de conexion a Bd. Julio 2010
        Context initContext = new InitialContext();
        DataSource ds = (DataSource) initContext.lookup(JNDI);
        try {
            Statement stmt;
            ResultSet rs;
            Connection con = ds.getConnection();
            //Reconoce la base de datos de coneccin para ejecutar el query correspondiente a cada uno
            DatabaseMetaData databaseMetaData = con.getMetaData();
            productName = databaseMetaData.getDatabaseProductName();//Identifica la base de datos de coneccin
            //Class.forName(getDriver());
            //con = DriverManager.getConnection(
            //        getUrl(), getUsuario(), getClave());
            stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
            String query = "";

            //System.out.println( productName );

            switch (productName) {
            case "Oracle":
                query = "SELECT trim(coduser), trim(cluser), trim(B_CODROL), trim(desuser), trim(mail), instancia";
                query += " FROM BVT002";
                query += " where coduser = '" + user.toUpperCase() + "'";
                break;
            case "PostgreSQL":
                query = "SELECT trim(coduser), trim(cluser), trim(B_CODROL), trim(desuser), trim(mail), instancia";
                query += " FROM BVT002";
                query += " where coduser = '" + user.toUpperCase() + "'";
                break;
            case "Microsoft SQL Server":
                query = "SELECT coduser, cluser, B_CODROL, desuser, mail, instancia";
                query += " FROM BVT002";
                query += " where coduser = '" + user.toUpperCase() + "'";
                break;
            }

            // System.out.println(query);
            try {
                rs = stmt.executeQuery(query);
                rows = 1;
                rs.last();
                rows = rs.getRow();
                //System.out.println(rows);

                ResultSetMetaData rsmd = rs.getMetaData();
                columns = rsmd.getColumnCount();
                //System.out.println(columns);
                arr = new String[rows][columns];

                int i = 0;
                rs.beforeFirst();
                while (rs.next()) {
                    for (int j = 0; j < columns; j++) {
                        arr[i][j] = rs.getString(j + 1);
                    }
                    i++;
                }
            } catch (SQLException e) {
            }
            stmt.close();
            con.close();

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * @return Retorna el arreglo
     **/
    public String[][] getArray() {
        return arr;
    }

    /**
     * @return Retorna nmero de filas
     **/
    public int getRows() {
        return rows;
    }

    /**
     * @return Retorna nmero de columnas
     **/
    public int getColumns() {
        return columns;
    }

    private void limpiarValores() {
        // TODO Auto-generated method stub
        coduser = "";
        desuser = "";
        cluser = "";
        b_codrol = "";
        cluserold = "";
        mail = "";
        instancia = "";
    }

    /**
    * Enva notificacin a usuario al cambiar la contrasea
    **/
    private void ChangePassNotification2(String mail, String clave) {
        try {
            Context initContext = new InitialContext();
            Session session = (Session) initContext.lookup(JNDIMAIL);
            // Crear el mensaje a enviar
            MimeMessage mm = new MimeMessage(session);
            // Establecer las direcciones a las que ser enviado
            // el mensaje (test2@gmail.com y test3@gmail.com en copia
            // oculta)
            // mm.setFrom(new
            // InternetAddress("opennomina@dvconsultores.com"));
            mm.addRecipient(Message.RecipientType.TO, new InternetAddress(mail));

            // Establecer el contenido del mensaje
            mm.setSubject(getMessage("mailUserUserChgPass"));
            mm.setText(getMessage("mailNewUserMsj2"));

            // use this is if you want to send html based message
            mm.setContent(getMessage("mailNewUserMsj6") + " " + coduser.toUpperCase() + " / " + clave
                    + "<br/><br/> " + getMessage("mailNewUserMsj2"), "text/html; charset=utf-8");

            // Enviar el correo electrnico
            Transport.send(mm);
            //System.out.println("Correo enviado exitosamente");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //Recuperacin de contraseas
    /**
    * Recuperacin de contrasea por parte del usuario
    * @throws NamingException 
     * @throws ClassNotFoundException 
    * @throws IOException 
    **/
    public void reqChgpass() throws NamingException, SQLException, ClassNotFoundException {
        try {
            Context initContext = new InitialContext();
            DataSource ds = (DataSource) initContext.lookup(JNDI);
            con = ds.getConnection();

            randomKey = "BIZ" + md.randomKey();

            String query = "UPDATE bvt002";
            query += " set cluser = '" + md.getStringMessageDigest(randomKey.toUpperCase(), StringMD.SHA256) + "'";
            query += " where coduser = '" + coduser.toUpperCase() + "'";
            pstmt = con.prepareStatement(query);
            //System.out.println(query);
            Bvt002 seg = new Bvt002(); // Crea objeto para el login
            int rows = 0;
            // LLama al mtodo que retorna el usuario y la contrasea
            seg.selectLogin(coduser.toUpperCase(), JNDI);
            rows = seg.getRows();
            String[][] vltabla = seg.getArray();
            //System.out.println("Mail: " + vltabla[0][4].toLowerCase());
            //System.out.println("RandomKey: " + randomKey);
            //Valida que exista el usuario
            if (rows == 0) {
                msj = new FacesMessage(FacesMessage.SEVERITY_ERROR, getMessage("noreg"), "");

            } else {
                pstmt.executeUpdate();

                msj = new FacesMessage(FacesMessage.SEVERITY_INFO, getMessage("chgpass7"), "");
                ChangePassNotification2(vltabla[0][4].toLowerCase(), randomKey);

                cluser = "";
            }
        } catch (SQLException e) {
            e.printStackTrace();
            msj = new FacesMessage(FacesMessage.SEVERITY_FATAL, e.getMessage(), "");
        }

        pstmt.close();
        con.close();

        FacesContext.getCurrentInstance().addMessage(null, msj);
    }

    /**
     * Retorna si el usuario tiene asignado algn rolList<Bvt002> listRoles = new ArrayList<Bvt002>(); adicional
     */
    public String isRol(String pcodrol) {
        String valor = "fa fa-circle fa-2x text-danger";
        String query = "select b_codrol from bvt008 where coduser = '" + vusuario.trim().toUpperCase()
                + "' and instancia = '" + instancia_insert + "' and b_codrol = '" + pcodrol.toUpperCase() + "'";
        //System.out.println(query);
        try {
            consulta.selectPntGenerica(query, JNDI);
        } catch (NamingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        int rows = consulta.getRows();
        if (rows > 0) {
            valor = "fa fa-circle fa-2x text-success";
        }
        return valor;
    }

    /**
    * Seleccin de roles
    * @throws NamingException 
     * @throws SQLException 
    * @throws IOException 
    **/
    public void selectRoles() throws NamingException, SQLException {
        //Para mostrar en lista los roles

        Context initContext = new InitialContext();
        DataSource ds = (DataSource) initContext.lookup(JNDI);
        con = ds.getConnection();
        //Reconoce la base de datos de coneccin para ejecutar el query correspondiente a cada uno
        DatabaseMetaData databaseMetaData = con.getMetaData();
        productName = databaseMetaData.getDatabaseProductName();//Identifica la base de datos de coneccin

        String query = "";

        switch (productName) {
        case "Oracle":
            query += " select codrol, desrol ";
            query += " FROM bvt003";
            query += " where instancia = '" + instancia_insert + "' order by 1";

            break;
        case "PostgreSQL":
            query += " select codrol, desrol";
            query += " FROM bvt003";
            query += " where instancia = '" + instancia_insert + "' order by 1";
            break;
        case "Microsoft SQL Server":
            query += " select codrol, desrol ";
            query += " FROM Bvt008";
            query += " where instancia = '" + instancia_insert + "' order by 1";
        }

        pstmt = con.prepareStatement(query);
        //System.out.println(query);

        r = pstmt.executeQuery();

        while (r.next()) {
            Bvt002 select = new Bvt002();
            select.setVcodrol(r.getString(1));
            select.setVdesrol(r.getString(2));
            //Agrega la lista
            listRoles.add(select);
        }

        setListRolesSession(listRoles);

        //Cierra las conecciones
        pstmt.close();
        con.close();
    }

    /**
    * Inserta roles adicionales.
    * <p>
    * Parmetros del Mtodo: String rol
    **/
    public void insert(String prol) throws NamingException {
        //System.out.println("INSTANCIA........................:" + instancia_insert);
        try {
            Context initContext = new InitialContext();
            DataSource ds = (DataSource) initContext.lookup(JNDI);
            con = ds.getConnection();

            String query = "INSERT INTO Bvt008 VALUES (?,?,?,'" + getFecha() + "',?)";
            //System.out.println(query);
            //System.out.println("instancia: " + instancia_insert);
            //System.out.println("usuario: " + vusuario);
            pstmt = con.prepareStatement(query);
            pstmt.setString(1, vusuario.trim().toUpperCase());
            pstmt.setString(2, prol.toUpperCase());
            pstmt.setString(3, login);
            pstmt.setInt(4, Integer.parseInt(instancia_insert));

            try {
                //Avisando
                pstmt.executeUpdate();
                msj = new FacesMessage(FacesMessage.SEVERITY_INFO, getMessage("msnInsert"), "");
            } catch (SQLException e) {
                msj = new FacesMessage(FacesMessage.SEVERITY_FATAL, e.getMessage(), "");
            }

            pstmt.close();
            con.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
        FacesContext.getCurrentInstance().addMessage(null, msj);
    }

    /**
     * Elimina roles adicionales.
     * <p>
     * Parmetros del Mtodo: String rol
     **/
    public void delete(String prol) throws NamingException {
        try {

            Context initContext = new InitialContext();
            DataSource ds = (DataSource) initContext.lookup(JNDI);

            con = ds.getConnection();

            String query = "DELETE from Bvt008 WHERE b_codrol = '" + prol + "' and instancia = '" + instancia_insert
                    + "' and coduser = '" + vusuario.trim().toUpperCase() + "'";

            pstmt = con.prepareStatement(query);
            ////System.out.println(query);

            try {
                //Avisando
                pstmt.executeUpdate();
                msj = new FacesMessage(FacesMessage.SEVERITY_INFO, getMessage("msnDelete"), "");

                limpiarValores();
            } catch (SQLException e) {
                e.printStackTrace();
                msj = new FacesMessage(FacesMessage.SEVERITY_FATAL, e.getMessage(), "");
            }

            pstmt.close();
            con.close();

        } catch (Exception e) {
            e.printStackTrace();

        }
        FacesContext.getCurrentInstance().addMessage(null, msj);
    }

}