Package br.com.sistelecom.dao

Source Code of br.com.sistelecom.dao.CargoDAOImpl

package br.com.sistelecom.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;

import br.com.sistelecom.connection.SistelecomSingleConnection;
import br.com.sistelecom.entidade.relatorio.CargoRelatorio;
import br.com.sistelecom.entity.Cargo;

public class CargoDAOImpl implements DAO<Cargo>{
 
  public void salvar(Cargo cargo) throws Exception {
    try{
      Connection conn = SistelecomSingleConnection.getConnection();
     
      String SQL = "INSERT INTO cargo (nome_cargo) values (?)";
     
      PreparedStatement ps = conn.prepareStatement(SQL);
      ps.setString(1, cargo.getNomeCargo());
      ps.executeUpdate();
     
    } catch (Exception e) {
      throw new Exception();
    }
  }
 
  public void atualizar(Cargo cargo) throws Exception{
   
    try{
      Connection conn = SistelecomSingleConnection.getConnection();
     
      String SQL = "UPDATE cargo SET nome_cargo=? where idcargo = ?";
     
      PreparedStatement ps = conn.prepareStatement(SQL);
      ps.setString(1, cargo.getNomeCargo());
      ps.setInt(2, cargo.getIdCargo());
      ps.executeUpdate();
     
    } catch (Exception e) {
      throw new Exception();
    }
  }
 
  public List<Cargo> listarTodos(){
   
    PreparedStatement ps = null;
    Connection conn = SistelecomSingleConnection.getConnection();
    ResultSet rs = null;

    try{
      ps = conn.prepareStatement("select * from cargo");
      rs = ps.executeQuery();
      List<Cargo> list = new ArrayList<Cargo>();
      while(rs.next()) {
        list.add(new Cargo(rs.getInt(1), rs.getString(2)));
      }
      return list;
    } catch (Exception e) {
      e.printStackTrace();
    }
    return null;
  }
 
  public List<CargoRelatorio> listarParaRelatorio(){
   
    PreparedStatement ps = null;
    Connection conn = SistelecomSingleConnection.getConnection();
    ResultSet rs = null;

    try{
      ps = conn.prepareStatement("select * from cargo");
      rs = ps.executeQuery();
      List<CargoRelatorio> listaRelatorio = new ArrayList<CargoRelatorio>();
      while(rs.next()) {
        listaRelatorio.add(new CargoRelatorio(rs.getInt(1), rs.getString(2)));
      }
      return listaRelatorio;
     
    } catch (Exception e) {
      e.printStackTrace();
    }
    return null;
  }
 
  public Cargo obterPorId(int id){

    PreparedStatement ps = null;
    Connection conn = SistelecomSingleConnection.getConnection();
    ResultSet rs = null;

    try {
      ps = conn.prepareStatement("select * from cargo where idcargo = ?");
      ps.setInt(1, id);
      rs = ps.executeQuery();
      if (!rs.next()) {
        throw new Exception("Não foi encontrado o cargo com esse id: " + id);
      }
     
      Cargo cargo = new Cargo();
      cargo.setIdCargo(id);
      cargo.setNomeCargo(rs.getString(2));
     
      return cargo;
    } catch (Exception e) {
      e.printStackTrace();
    }
    return null;
  }
 
  public void excluir(Cargo cargo) throws Exception {
    try{
      Connection conn = SistelecomSingleConnection.getConnection();
     
      String SQL = "delete from cargo where idcargo = ?";
     
      PreparedStatement ps = conn.prepareStatement(SQL);
      ps.setInt(1, cargo.getIdCargo());
      ps.executeUpdate();
     
    } catch (Exception e) {
      throw new Exception();
    }
  }

}
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