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 SalesReportAccount 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.v_date,v.V_TYPE,v.INV_NO,b.BRAND_NAME,m.MODEL_NAME,s.SR_NAME,v1.MRP,v.INS_AMT,v.branch_cd,v1.TAG_NO," + " (SELECT SUM(sale_rate) FROM tag WHERE tag_no=v1.tag_no) as rate 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 " + " LEFT JOIN acntmst a ON a.ac_cd=v.AC_CD LEFT JOIN modelmst m ON s.MODEL_CD=m.MODEL_CD " + " LEFT JOIN brandmst b ON b.BRAND_CD=m.BRAND_CD WHERE v.IS_DEL=0 and s.sr_cd not in('S000050','S000047') " + " 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 += " order by v.branch_cd"; pstLocal = dataConnection.prepareStatement(sql); ResultSet viewDataRs = pstLocal.executeQuery(); JsonArray array = new JsonArray(); while (viewDataRs.next()) { JsonObject object = new JsonObject(); object.addProperty("INV_NO", (viewDataRs.getString("inv_no") == null) ? "" : viewDataRs.getString("inv_no")); object.addProperty("V_TYPE", (viewDataRs.getString("v_type") == null) ? "" : viewDataRs.getString("v_type")); object.addProperty("BRAND_NAME", (viewDataRs.getString("BRAND_NAME") == null) ? "" : viewDataRs.getString("BRAND_NAME")); object.addProperty("MODEL_NAME", (viewDataRs.getString("MODEL_NAME") == null) ? "" : viewDataRs.getString("MODEL_NAME")); object.addProperty("SR_NAME", (viewDataRs.getString("sr_name") == null) ? "" : viewDataRs.getString("sr_name")); object.addProperty("MRP", (viewDataRs.getString("rate") == null) ? 0.00 : viewDataRs.getDouble("rate")); object.addProperty("INS_AMT", (viewDataRs.getString("INS_AMT") == null) ? 0.00 : viewDataRs.getDouble("INS_AMT")); object.addProperty("V_DATE", (viewDataRs.getString("v_date") == null) ? "" : viewDataRs.getString("v_date")); object.addProperty("TAG_NO", (viewDataRs.getString("TAG_NO") == null) ? "" : viewDataRs.getString("TAG_NO")); object.addProperty("branch_cd", (viewDataRs.getString("branch_cd") == null) ? "" : 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> }