user.UpdateBranchMaster.java Source code

Introduction

Here is the source code for user.UpdateBranchMaster.java

Source

/*
 * 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 user;

import com.google.gson.Gson;
import com.google.gson.JsonObject;
import com.google.gson.reflect.TypeToken;
import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.SQLNonTransientConnectionException;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import model.BranchMasterModel1;
import support.DBHelper;

/**
 *
 * @author bhaumik
 */
public class UpdateBranchMaster 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 DBHelper helper = DBHelper.GetDBHelper();
        final Connection dataConnection = helper.getMainConnection();
        final String detailJson = request.getParameter("branch");
        TypeToken<List<BranchMasterModel1>> token = new TypeToken<List<BranchMasterModel1>>() {
        };
        List<BranchMasterModel1> detail = new Gson().fromJson(detailJson, token.getType());
        final JsonObject jResultObj = new JsonObject();

        if (dataConnection != null) {
            try {
                String sql = "";
                sql = "UPDATE branchmst SET credit_limit=? where branch_cd=?";

                PreparedStatement pstLocal = dataConnection.prepareStatement(sql);

                if (!detail.isEmpty()) {
                    for (int i = 0; i < detail.size(); i++) {
                        pstLocal.setDouble(1, detail.get(i).getCredit_limit());
                        pstLocal.setString(2, detail.get(i).getBranch_cd());
                        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>

}