Java tutorial
/* * Copyright (C) 2011 ANDRES DOMINGUEZ 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.util.ArrayList; import java.util.List; 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.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.openbizview.util.PntGenerica; import org.openbizview.util.PntGenericasb; import java.io.IOException; import java.io.Serializable; import java.sql.Connection; import java.sql.DatabaseMetaData; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.Iterator; import java.util.Map; import org.primefaces.model.LazyDataModel; import org.primefaces.model.SortOrder; /** * * @author Mauricio */ @ManagedBean @ViewScoped public class Indh06 extends Bd implements Serializable { /** * */ private static final long serialVersionUID = 1L; private LazyDataModel<Indh06> lazyModel; /** * @return the lazyModel */ public LazyDataModel<Indh06> getLazyModel() { return lazyModel; } @PostConstruct public void init() { //System.out.println("entre al metodo INIT"); lazyModel = new LazyDataModel<Indh06>() { /** * */ private static final long serialVersionUID = 7217573531435419432L; @Override public List<Indh06> 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); //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()); } }; } /** * */ private String codcia = (String) FacesContext.getCurrentInstance().getExternalContext().getSessionMap() .get("codcia"); //Usuario logeado private String codubi = (String) FacesContext.getCurrentInstance().getExternalContext().getSessionMap() .get("codubi"); //Usuario logeado private String anocal = (String) FacesContext.getCurrentInstance().getExternalContext().getSessionMap() .get("anocal"); //Usuario logeado private String semcal = (String) FacesContext.getCurrentInstance().getExternalContext().getSessionMap() .get("semcal"); //Usuario logeado private String totint = ""; private String totexp = ""; private Object filterValue = ""; private List<Indh06> list = new ArrayList<Indh06>(); private int validarOperacion = 0; private String instancia = (String) FacesContext.getCurrentInstance().getExternalContext().getSessionMap() .get("instancia"); //Usuario logeado private String zcodcia = ""; private String zcodubi = ""; private String zanocal = ""; private String zsemcal = ""; private String ztotint = ""; private String ztotexp = ""; private String zciadesc = ""; private String zubidesc = ""; private String zvendesc = ""; private String zdesc1 = ""; private String zdesc2 = ""; private String zdesc3 = ""; private String zsemana = ""; public String getZsemana() { return zsemana; } public void setZsemana(String zsemana) { this.zsemana = zsemana; } public String getZdesc3() { return zdesc3; } public void setZdesc3(String zdesc3) { this.zdesc3 = zdesc3; } public String getZvendesc() { return zvendesc; } public void setZvendesc(String zvendesc) { this.zvendesc = zvendesc; } public String getZciadesc() { return zciadesc; } public void setZciadesc(String zciadesc) { this.zciadesc = zciadesc; } public String getZubidesc() { return zubidesc; } public void setZubidesc(String zubidesc) { this.zubidesc = zubidesc; } public String getZdesc1() { return zdesc1; } public void setZdesc1(String zdesc1) { this.zdesc1 = zdesc1; } public String getZdesc2() { return zdesc2; } public void setZdesc2(String zdesc2) { this.zdesc2 = zdesc2; } public String getCodcia() { return codcia; } public void setCodcia(String codcia) { this.codcia = codcia; } public String getCodubi() { return codubi; } public void setCodubi(String codubi) { this.codubi = codubi; } public String getAnocal() { return anocal; } public void setAnocal(String anocal) { this.anocal = anocal; } public String getSemcal() { return semcal; } public void setSemcal(String semcal) { this.semcal = semcal; } public String gettotint() { return totint; } public void settotint(String totint) { this.totint = totint; } public String gettotexp() { return totexp; } public void settotexp(String totexp) { this.totexp = totexp; } public String getZcodcia() { return zcodcia; } public void setZcodcia(String zcodcia) { this.zcodcia = zcodcia; } public String getZcodubi() { return zcodubi; } public void setZcodubi(String zcodubi) { this.zcodubi = zcodubi; } public String getZanocal() { return zanocal; } public void setZanocal(String zanocal) { this.zanocal = zanocal; } public String getZsemcal() { return zsemcal; } public void setZsemcal(String zsemcal) { this.zsemcal = zsemcal; } public String getZtotint() { return ztotint; } public void setZtotint(String ztotint) { this.ztotint = ztotint; } public String getZtotexp() { return ztotexp; } public void setZtotexp(String ztotexp) { this.ztotexp = ztotexp; } /** * @return the validarOperacion */ public int getValidarOperacion() { return validarOperacion; } /** * @param validarOperacion the validarOperacion to set */ public void setValidarOperacion(int validarOperacion) { this.validarOperacion = validarOperacion; } //Formateador de la fecha sdfecha //java.text.SimpleDateFormat sdfecha = new java.text.SimpleDateFormat("dd/MM/yyyy", locale); //String fecha = sdfecha.format(fecact); //Fecha formateada para insertar en tablas /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// //Variables seran utilizadas para capturar mensajes de errores de Oracle y parametros de metodos FacesMessage msj = null; PntGenericasb consulta = new PntGenericasb(); PntGenerica consulta1 = new PntGenerica(); boolean vGacc; //Validador de opciones del men private int rows; //Registros de tabla Sybase //private int rows1; //Registros de tabla oracle private String login = (String) FacesContext.getCurrentInstance().getExternalContext().getSessionMap() .get("usuario"); //Usuario logeado /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// //Coneccion a base de datos //Pool de conecciones JNDI Connection con; PreparedStatement pstmt = null; ResultSet r; /** * Inserta categoria1. * <p> * <b>Parametros del Metodo:<b> String codcat1, String descat1 unidos como un solo string.<br> * String pool, String login.<br><br> **/ public void insert() throws NamingException { //System.out.println("entre al metodo INSERT"); try { Context initContext = new InitialContext(); DataSource ds = (DataSource) initContext.lookup(JNDI); con = ds.getConnection(); if (codcia == null) { codcia = " - "; } if (codcia == "") { codcia = " - "; } if (codubi == null) { codubi = " - "; } if (codubi == "") { codubi = " - "; } if (semcal == null) { semcal = " - "; } String[] vecsem = semcal.split("\\ - ", -1); String[] veccia = codcia.split("\\ - ", -1); String[] vecubi = codubi.split("\\ - ", -1); /* CODCIA 1 CODUBI 2 ANOCAL 3 SEMCAL 4 TOTINT 5 USRCRE 6 FECCRE 7 USRACT 8 FECACT 9 INSTANCIA 10 TOTEXP 11 */ String query = "INSERT INTO Indh06 VALUES " + "(?," //codcia 1 + "?," //codubi 2 + "?," //anocal 3 + "trim(?)," //semcal 4 + "ROUND(?,2)," //totint 5 + "?,'" //usrcre 6 + getFecha() + //feccre "',?,'" //usract 7 + getFecha() + //fecact "',?," //instancia 8 + "ROUND(?,2))"; //totexp 9 pstmt = con.prepareStatement(query); pstmt.setString(1, veccia[0].toUpperCase()); pstmt.setString(2, vecubi[0].toUpperCase()); pstmt.setString(3, anocal.toUpperCase()); pstmt.setString(4, vecsem[0].toUpperCase());//semcal.toUpperCase()); pstmt.setFloat(5, Float.parseFloat(totint)); pstmt.setString(6, login); pstmt.setString(7, login); pstmt.setInt(8, Integer.parseInt(instancia)); pstmt.setFloat(9, Float.parseFloat(totexp)); System.out.println(query); //System.out.println(codigo); //System.out.println(desc); System.out.println(totint); System.out.println(totexp); try { //Avisando pstmt.executeUpdate(); msj = new FacesMessage(FacesMessage.SEVERITY_INFO, getMessage("msnInsert"), ""); limpiarValores(); } catch (SQLException e) { msj = new FacesMessage(FacesMessage.SEVERITY_FATAL, getMessage("msnPrimaryk"), ""); } pstmt.close(); con.close(); } catch (Exception e) { e.printStackTrace(); } FacesContext.getCurrentInstance().addMessage(null, msj); limpiarValores(); } 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 Indh06 WHERE CODCIA || CODUBI || ANOCAL || SEMCAL in (" + param + ") and INSTANCIA = " + instancia + ""; 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 categoria1 * <b>Parametros del Metodo:<b> String codcat1, String descat1 unidos como un solo string.<br> * String pool, String login.<br><br> **/ public void update() throws NamingException { //System.out.println("entre al metodo UPDATE"); try { Context initContext = new InitialContext(); DataSource ds = (DataSource) initContext.lookup(JNDI); con = ds.getConnection(); if (codcia == null) { codcia = " - "; } if (codcia == "") { codcia = " - "; } if (codubi == null) { codubi = " - "; } if (codubi == "") { codubi = " - "; } if (semcal == null) { semcal = " - "; } String[] vecsem = semcal.split("\\ - ", -1); String[] veccia = codcia.split("\\ - ", -1); String[] vecubi = codubi.split("\\ - ", -1); String query = "UPDATE Indh06"; query += " SET totint = ROUND(?,2), "; query += " totexp = ROUND(?,2), "; query += " USRACT = ?,"; query += " FECACT = '" + getFecha() + "'"; query += " WHERE CODCIA = ? AND CODUBI = ? AND ANOCAL = ? AND SEMCAL = trim(?) AND INSTANCIA = " + instancia + ""; pstmt = con.prepareStatement(query); pstmt.setFloat(1, Float.parseFloat(totint)); pstmt.setFloat(2, Float.parseFloat(totexp)); pstmt.setString(3, login); pstmt.setString(4, veccia[0].toUpperCase()); pstmt.setString(5, vecubi[0].toUpperCase()); pstmt.setString(6, anocal.toUpperCase()); pstmt.setString(7, vecsem[0].toUpperCase());//semcal.toUpperCase()); //System.out.println(query); //System.out.println(codigo); //System.out.println(desc); // Antes de ejecutar valida si existe el registro en la base de Datos. 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"), ""); } limpiarValores(); } catch (SQLException e) { msj = new FacesMessage(FacesMessage.SEVERITY_INFO, e.getMessage(), ""); } pstmt.close(); con.close(); } catch (Exception e) { } FacesContext.getCurrentInstance().addMessage(null, msj); } public void guardar() throws NamingException, SQLException { if (validarOperacion == 0) { insert(); } else { update(); } } /** * Leer Datos de paises * @throws NamingException * @throws IOException **/ public void select(int first, int pageSize, String sortField, Object filterValue) throws SQLException, ClassNotFoundException, NamingException { //System.out.println("entre al metodo SELECT"); 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 if (codcia == null) { codcia = " - "; } if (codcia == "") { codcia = " - "; } if (codubi == null) { codubi = " - "; } if (codubi == "") { codubi = " - "; } if (anocal == null) { anocal = ""; } if (semcal == null) { semcal = ""; } String[] veccia = codcia.split("\\ - ", -1); String[] vecubi = codubi.split("\\ - ", -1); String[] vecsem = semcal.split("\\ - ", -1); //Consulta paginada String query = "SELECT * FROM"; query += "(select query.*, rownum as rn from"; query += "(SELECT A.CODCIA, A.CODUBI, A.ANOCAL, A.SEMCAL, A.TOTINT, A.TOTEXP, B.DESCIA, C.DESUBI, TO_CHAR(D.FECINI,'DD/MM/YY') AS FECINI, TO_CHAR(D.FECFIN,'DD/MM/YY') AS FECFIN"; query += " FROM INDH06 A, INDT03 B, INDT04 C, TUBDER03A D"; query += " WHERE A.CODCIA = B.CODCIA"; query += " AND A.CODUBI = C.CODUBI"; query += " AND A.ANOCAL = D.ANOCAL"; query += " AND A.SEMCAL = D.SEMCAL"; query += " AND TRIM(A.CODCIA) LIKE TRIM('%" + veccia[0] + "%')"; query += " AND TRIM(A.CODUBI) LIKE TRIM('%" + vecubi[0] + "%')"; query += " AND TRIM(A.ANOCAL) LIKE TRIM('%" + anocal + "%')"; query += " AND TRIM(A.SEMCAL) LIKE TRIM('%" + vecsem[0] + "%')"; query += " GROUP BY A.CODCIA, A.CODUBI, A.ANOCAL, A.SEMCAL, A.TOTINT, A.TOTEXP, B.DESCIA, C.DESUBI, D.FECINI, D.FECFIN"; query += ")query ) "; query += " WHERE ROWNUM <=" + pageSize; query += " AND rn > (" + first + ")"; query += " ORDER BY CODCIA, CODUBI, ANOCAL, SEMCAL " + sortField.replace("z", ""); pstmt = con.prepareStatement(query); //System.out.println(query); r = pstmt.executeQuery(); while (r.next()) { Indh06 select = new Indh06(); select.setZcodcia(r.getString(1)); select.setZcodubi(r.getString(2)); select.setZanocal(r.getString(3)); select.setZsemcal(r.getString(4)); select.setZtotint(r.getString(5)); select.setZtotexp(r.getString(6)); select.setZdesc1(r.getString(7)); select.setZdesc2(r.getString(8)); select.setZciadesc(r.getString(1) + " - " + r.getString(7)); select.setZubidesc(r.getString(2) + " - " + r.getString(8)); select.setZvendesc(r.getString(3) + " - " + r.getString(9)); select.setZsemana(r.getString(4) + " - " + r.getString(9) + " al " + r.getString(10)); //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 { //System.out.println("entre al metodo COUNTER"); try { Context initContext = new InitialContext(); DataSource ds = (DataSource) initContext.lookup(JNDI); con = ds.getConnection(); if (codcia == null) { codcia = " - "; } if (codcia == "") { codcia = " - "; } if (codubi == null) { codubi = " - "; } if (codubi == "") { codubi = " - "; } if (anocal == null) { anocal = ""; } if (semcal == null) { semcal = ""; } String[] veccia = codcia.split("\\ - ", -1); String[] vecubi = codubi.split("\\ - ", -1); String[] vecsem = semcal.split("\\ - ", -1); //Consulta paginada String query = "SELECT COUNT_INDH06('" + ((String) filterValue).toUpperCase() + "','" + veccia[0] + "','" + vecubi[0] + "','" + anocal + "','" + vecsem[0] + "','" + instancia + "') FROM DUAL"; pstmt = con.prepareStatement(query); //System.out.println(query); //System.out.println(veccodven[0]); r = pstmt.executeQuery(); while (r.next()) { rows = r.getInt(1); } } catch (SQLException e) { e.printStackTrace(); } //Cierra las conecciones pstmt.close(); con.close(); r.close(); } /** * @return the rows */ public int getRows() { return rows; } private void limpiarValores() { // TODO Auto-generated method stub codcia = ""; codubi = ""; anocal = ""; semcal = ""; totint = ""; totexp = ""; validarOperacion = 0; } public void reset() { // TODO Auto-generated method stub codcia = null; codubi = null; anocal = null; semcal = null; } }