account.CashSnapshot.java Source code

Introduction

Here is the source code for account.CashSnapshot.java

Source

/*
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 * 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.io.PrintWriter;
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;
import support.Library;

/**
 *
 * @author bhaumik
 */
public class CashSnapshot 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 grp_cd = request.getParameter("grp_cd");
        String from_date = "";
        String to_date = "";
        from_date = request.getParameter("from_date");
        to_date = request.getParameter("to_date");
        final DBHelper helper = DBHelper.GetDBHelper();
        final Connection dataConnection = helper.getConnMpAdmin();
        final JsonObject jResultObj = new JsonObject();
        Library lb = Library.getInstance();
        if (dataConnection != null) {
            try {

                String sql = null;
                PreparedStatement pstLocal = null;
                sql = "SELECT o.ac_cd,fname,doc_date,SUM(CASE WHEN crdr=0 THEN val ELSE 0 END) AS dr,SUM(CASE WHEN crdr=1 THEN val ELSE 0 END) AS cr,"
                        + " (SUM(CASE WHEN crdr=0 THEN val ELSE 0 END) -SUM(CASE WHEN crdr=1 THEN val ELSE 0 END)) AS bal"
                        + " FROM oldb2_2 o left join acntmst a on a.ac_cd=o.ac_cd WHERE o.ac_cd IN (SELECT ac_cd FROM acntmst WHERE grp_cd ='"
                        + grp_cd + "')" + " AND  doc_date>='" + from_date + "' and doc_date<='" + to_date
                        + "' GROUP BY o.ac_cd,fname,doc_date";
                pstLocal = dataConnection.prepareStatement(sql);
                ResultSet viewDataRs = pstLocal.executeQuery();

                JsonArray array = new JsonArray();
                while (viewDataRs.next()) {
                    JsonObject object = new JsonObject();
                    object.addProperty("fname", viewDataRs.getString("fname"));
                    object.addProperty("doc_date", viewDataRs.getString("doc_date"));
                    object.addProperty("dr", viewDataRs.getDouble("dr"));
                    object.addProperty("cr", viewDataRs.getDouble("cr"));
                    object.addProperty("bal", viewDataRs.getDouble("bal"));
                    object.addProperty("ac_cd", viewDataRs.getString("ac_cd"));
                    array.add(object);
                }
                lb.closeResultSet(viewDataRs);
                lb.closeStatement(pstLocal);
                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());
            } finally {
                lb.closeConnection(dataConnection);
            }
        }
        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>

}