account.UpdateOLDB2_4.java Source code

Introduction

Here is the source code for account.UpdateOLDB2_4.java

Source

/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package account;

import com.google.gson.JsonObject;
import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
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 UpdateOLDB2_4 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 unpaid_amt = request.getParameter("unpaid_amt");
        final String doc_ref_no = request.getParameter("doc_ref_no");
        final DBHelper helper = DBHelper.GetDBHelper();
        final Connection dataConnection = helper.getConnMpAdmin();
        final JsonObject jResultObj = new JsonObject();
        if (dataConnection != null) {
            try {

                PreparedStatement pstLocal = null;
                String sql = "UPDATE oldb2_4 SET unpaid_amt=? WHERE doc_ref_no=?";
                pstLocal = dataConnection.prepareStatement(sql);
                pstLocal.setString(1, unpaid_amt);
                pstLocal.setString(2, doc_ref_no);
                pstLocal.executeUpdate();
                jResultObj.addProperty("result", 1);
                jResultObj.addProperty("Cause", "success");
            } 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>

}