Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package account; import com.google.gson.JsonArray; import com.google.gson.JsonObject; import java.io.IOException; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.SQLNonTransientConnectionException; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import support.DBHelper; /** * * @author bhaumik */ public class TypeWiseSales extends HttpServlet { /** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> * methods. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { final String from_date = request.getParameter("from_date"); final String to_date = request.getParameter("to_date"); final String ac_cd = request.getParameter("ac_cd"); final DBHelper helper = DBHelper.GetDBHelper(); final Connection dataConnection = helper.getConnMpAdmin(); final JsonObject jResultObj = new JsonObject(); final String sr_cd = request.getParameter("sr_cd"); final String type_cd = request.getParameter("type_cd"); final String brand_cd = request.getParameter("brnad_cd"); final String model_cd = request.getParameter("model_cd"); final String branch_cd = request.getParameter("branch_cd"); if (dataConnection != null) { try { PreparedStatement pstLocal = null; String sql = "select v.branch_cd,b.brand_name,m.model_name,t.TYPE_NAME,sum(v1.qty) as pcs,sum(v1.RATE) as tot_sales from VILSHD v left join VILSDT v1 on v.REF_NO=v1.REF_NO " + " left join SERIESMST s on v1.SR_CD=s.SR_CD \n" + " left join MODELMST m on s.MODEL_CD=m.MODEL_CD left join TYPEMST t on m.TYPE_CD=t.TYPE_CD" + " left join brandmst b on b.brand_cd=m.brand_cd where v.IS_DEL=0 " + " and v.v_date>='" + from_date + "' " + " and v.v_date<='" + to_date + "'"; if (!type_cd.equalsIgnoreCase("")) { sql += " and m.type_cd='" + type_cd + "' "; } if (!sr_cd.equalsIgnoreCase("")) { sql += " and s.SR_CD='" + sr_cd + "'"; } else if (!brand_cd.equalsIgnoreCase("")) { sql += " and m.brand_cd='" + brand_cd + "'"; } else if (!model_cd.equalsIgnoreCase("")) { sql += " and s.model_cd='" + model_cd + "'"; } if (!ac_cd.equalsIgnoreCase("")) { sql += " and v.ac_cd='" + ac_cd + "'"; } if (!branch_cd.equalsIgnoreCase("0")) { sql += " and v.branch_cd=" + branch_cd; } sql += " group by v.branch_cd,t.TYPE_NAME,m.model_name,brand_name order by branch_cd,model_name"; pstLocal = dataConnection.prepareStatement(sql); ResultSet viewDataRs = pstLocal.executeQuery(); JsonArray array = new JsonArray(); while (viewDataRs.next()) { JsonObject object = new JsonObject(); object.addProperty("brand_name", viewDataRs.getString("brand_name")); object.addProperty("model_name", viewDataRs.getString("model_name")); object.addProperty("type_name", viewDataRs.getString("type_name")); object.addProperty("pcs", viewDataRs.getInt("pcs")); object.addProperty("tot_sales", viewDataRs.getDouble("tot_sales")); object.addProperty("branch_cd", viewDataRs.getString("branch_cd")); array.add(object); } sql = "select v.branch_cd,b.brand_name,m.model_name,t.TYPE_NAME,sum(v1.qty) as pcs,sum(v1.RATE) as tot_sales from srhd v left join srdt v1 on v.REF_NO=v1.REF_NO " + " left join SERIESMST s on v1.SR_CD=s.SR_CD \n" + " left join MODELMST m on s.MODEL_CD=m.MODEL_CD left join TYPEMST t on m.TYPE_CD=t.TYPE_CD " + " left join brandmst b on b.brand_cd=m.brand_cd where v.IS_DEL=0 " + " and v.v_date>='" + from_date + "' " + " and v.v_date<='" + to_date + "'"; if (!type_cd.equalsIgnoreCase("")) { sql += " and m.type_cd='" + type_cd + "' "; } if (!sr_cd.equalsIgnoreCase("")) { sql += " and s.SR_CD='" + sr_cd + "'"; } else if (!brand_cd.equalsIgnoreCase("")) { sql += " and m.brand_cd='" + brand_cd + "'"; } else if (!model_cd.equalsIgnoreCase("")) { sql += " and s.model_cd='" + model_cd + "'"; } if (!ac_cd.equalsIgnoreCase("")) { sql += " and v.ac_cd='" + ac_cd + "'"; } if (!branch_cd.equalsIgnoreCase("0")) { sql += " and v.branch_cd=" + branch_cd + ""; } sql += " group by t.TYPE_NAME,m.model_name order by m.model_name"; pstLocal = dataConnection.prepareStatement(sql); viewDataRs = pstLocal.executeQuery(); while (viewDataRs.next()) { JsonObject object = new JsonObject(); object.addProperty("brand_name", viewDataRs.getString("brand_name")); object.addProperty("model_name", viewDataRs.getString("model_name")); object.addProperty("type_name", viewDataRs.getString("type_name")); object.addProperty("pcs", viewDataRs.getInt("pcs") * -1); object.addProperty("tot_sales", viewDataRs.getDouble("tot_sales") * -1); object.addProperty("branch_cd", viewDataRs.getString("branch_cd")); array.add(object); } jResultObj.addProperty("result", 1); jResultObj.addProperty("Cause", "success"); jResultObj.add("data", array); } catch (SQLNonTransientConnectionException ex1) { jResultObj.addProperty("result", -1); jResultObj.addProperty("Cause", "Server is down"); } catch (SQLException ex) { jResultObj.addProperty("result", -1); jResultObj.addProperty("Cause", ex.getMessage()); } } response.getWriter().print(jResultObj); } // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code."> /** * Handles the HTTP <code>GET</code> method. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Handles the HTTP <code>POST</code> method. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Returns a short description of the servlet. * * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; }// </editor-fold> }