servlet

    package com.ilp.tsi.pm.servlets;

    import java.io.*;
    import java.sql.Connection;
    import java.sql.SQLException;

    import javax.servlet.RequestDispatcher;
    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import com.ilp.tsi.pm.beans.StockBean;
    import com.ilp.tsi.db.*;
    import com.ilp.tsi.pm.services.StockService;

    /**
     * Servlet implementation class AddServlet1
     */

    //Servlet for Adding the stock
    public class AddStockServlet extends HttpServlet {
        Connection con=null;
        private static final long serialVersionUID = 1L;

        /**
         * @see HttpServlet#HttpServlet()
         */
        public AddStockServlet() {
           //super();
        }

        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        }


        protected void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {

    //System.out.println("hi");


    //System.out.println(req.getParameter("name1"));

    //Method to get the model name
    if(req.getParameter("name1")!=null)
            {

    //System.out.println(" inside getModelName");

            try
            {

                DB dao=new DB();
                con=dao.getConnection();

            }
            catch (Exception e) 
            {
    //          System.out.println(e);
            }






                StockService stock_service=new StockService();
                StockBean bean=new StockBean();

                String productId= req.getParameter("productId");
    //          System.out.println(productId);


                bean.setProductId(productId);

                //boolean chk = false;
                try 
                {
                bean = stock_service.productModelName(bean,con);



                req.setAttribute("a", bean.getProductId());



                req.setAttribute("b", bean.getModelName());

                RequestDispatcher rd = req.getRequestDispatcher("add_stock.jsp");
                rd.forward(req, res);


                } 
                catch (SQLException e)
                {
    //          System.out.println(" Exception occured ");
                e.printStackTrace();
                }       




    }


    //method for passing control to add stock
    if(req.getParameter("add")!=null)
            {


        DB dao=new DB();
        con=dao.getConnection();

            StockBean bean = new StockBean();
            StockService service1 = new StockService();


            String productId=req.getParameter("productId");
            bean.setProductId(productId);
    //      System.out.println(productId);

            String modelName=req.getParameter("modelName");
            bean.setModelName(modelName);


            String ss=req.getParameter("quantity");
            int quantity=Integer.parseInt(ss);
            bean.setQuantity(quantity);






                try {
                    boolean chk=service1.AddStock(bean,con);


                    RequestDispatcher rd = req.getRequestDispatcher("stock_added_successfully.jsp");
                    rd.forward(req, res);

                }
                catch (NumberFormatException e)
                {
                e.printStackTrace();    
                }
                catch (Exception e) {
                    e.printStackTrace();
                }
                }
            }
    }


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    package com.ilp.tsi.pm.servlets;

    import java.io.IOException;
    import java.io.PrintWriter;
    import java.sql.Connection;

    import java.sql.ResultSet;
    import java.sql.SQLException;
    import java.sql.Statement;

    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import javax.servlet.http.HttpSession;

    import com.ilp.tsi.db.DB;
    import com.ilp.tsi.utils.*;
    /**
     * Servlet implementation class Changepwd
     */
    public class ChangeIMPassword extends HttpServlet {
        private static final long serialVersionUID = 1L;

        /**
         * @see HttpServlet#HttpServlet()
         */
        public ChangeIMPassword() {
            super();

        }

        /**
         * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
         */


        /**
         * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
         */
        protected void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException 
        {
            //getting the user entered password and username
            String cpwd=req.getParameter("cpwd");
            String npwd=req.getParameter("npwd");
            res.setContentType(Constant.content);
            Connection conn = null;
            Statement stmt = null;
            ResultSet rst = null;
            try 
            {    
                DB dao=new DB();
                conn=dao.getConnection();
                stmt=conn.createStatement();    
                rst = stmt.executeQuery("select password from IM_DETAILS");
                PrintWriter out = res.getWriter();  
                HttpSession session=req.getSession(true);
                String id=(String) session.getAttribute("imid");
                while(rst.next())       
                 {
                    // comparing user entered password with password field in Inventory manager table       
                    if(cpwd.equals(rst.getString(1)))
                    {

                        String str="update IM_DETAILS set PASSWORD='"+npwd+"' where IM_ID='"+id+"'";
                        stmt.executeUpdate(str); 
                        stmt.executeQuery("commit");
                res.sendRedirect("main1.html");    
            }
            else if(!(cpwd.equals(rst.getString(1))))
            {

                 res.sendRedirect("changeIMPassword.jsp");  
            }

        }  

        }
    catch(Exception e)
    {        
        e.printStackTrace(); 
    } 
    finally
    {
    try {
        conn.close();
        stmt.close();
        rst.close();
    } catch (SQLException e) {
        e.printStackTrace();
    }

    }
    }
    }

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    package com.ilp.tsi.pm.servlets;
    import com.ilp.tsi.pm.services.*;
    import java.io.IOException;
    import java.sql.Connection;
    import java.sql.SQLException;

    import javax.servlet.RequestDispatcher;
    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;

    import com.ilp.tsi.pm.beans.ProductBean;
    import com.ilp.tsi.db.*;

    import java.sql.*;
    /**
     * Servlet implementation class ProductServlet
     */
    //servlet for product
    public class ProductServlet extends HttpServlet {
        private static final long serialVersionUID = 1L;
        Connection con=null;
        /**
         * @see HttpServlet#HttpServlet()
         */
        public ProductServlet() {
            super();
            // TODO Auto-generated constructor stub
        }

        /**
         * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
         */
        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            // TODO Auto-generated method stub
        }

        /**
         * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
         */
        protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            // TODO Auto-generated method stub

            try
            {
                DB dao=new DB();
                con=dao.getConnection();
            }
            catch(Exception e)
            {
                e.printStackTrace();
            }

            //method for passing control to add product
            if(request.getParameter("addproduct")!=null)
            {
            ProductBean bean=new ProductBean();
            ProductServices service=new ProductServices();

            bean.setProductName(request.getParameter("productName"));
            bean.setDescription(request.getParameter("desc"));
            bean.setFeatures(request.getParameter("features"));
            bean.setPrice(request.getParameter("price"));
            bean.setQuantity(Integer.parseInt(request.getParameter("quantity")));
            bean.setEligibility(request.getParameter("eligibility"));
            bean.setThresholdLimit(request.getParameter("thresholdLimit"));

            String qty=request.getParameter("quantity");
            String tlimit=request.getParameter("thresholdLimit");
            if(qty.compareTo(tlimit)>5)
            {
                bean.setColorCode("GREEN");
            }
            if(qty.compareTo(tlimit)<0)
            {
                bean.setColorCode("RED");
            }
            if(qty.compareTo(tlimit)<=5 && qty.compareTo(tlimit)>0)
            {
                bean.setColorCode("ORANGE");
            }

            boolean chk=false;
            boolean chk1=false;


            try
            {

                chk=service.addProduct(bean, con);
                response.sendRedirect("adding_productmodel.jsp");
                con.close(); 
            }
            catch (SQLException e) 
            {

                    e.printStackTrace();
            }
            if(chk)
            {
                RequestDispatcher rd=request.getRequestDispatcher("adding_productmodel.jsp");

                rd.forward(request,response);
            }
            }

            //method for passing control to update product
            if(request.getParameter("updateproduct")!=null)
            {
                ProductServices service=new ProductServices();
                ProductBean bean = new ProductBean();
                bean.setProductName(request.getParameter("productName"));
                bean.setDescription(request.getParameter("desc"));
                bean.setFeatures(request.getParameter("features"));
                bean.setPrice(request.getParameter("price"));
                bean.setQuantity(Integer.parseInt(request.getParameter("quantity")));
                bean.setEligibility(request.getParameter("eligibility"));
                bean.setThresholdLimit(request.getParameter("thresholdLimit"));

                try{
                service.updateProduct(bean, con);
                response.sendRedirect("updating_productmodel.jsp");
                }
                catch(SQLException E)
                {

                }
            }

            //method for passing control to search product

            if(request.getParameter("searchproduct")!=null)
            {
                String ProductName = request.getParameter("productName");


                ProductServices service=new ProductServices();
                ProductBean bean=new ProductBean();

                bean.setProductName(ProductName);


                boolean chk = false;
                try 
                {

                bean = service.searchProduct(bean, con);



                request.setAttribute("a", bean.getProductName());

                request.setAttribute("b", bean.getPrice());
                request.setAttribute("c", bean.getQuantity());
                request.setAttribute("d", bean.getThresholdLimit());
                request.setAttribute("e", bean.getEligibility());
                RequestDispatcher rd = request.getRequestDispatcher("update_product.jsp");
                rd.forward(request, response);


                } 
                catch (SQLException e)
                {

                e.printStackTrace();
                }
            }

            if(request.getParameter("search_deleteproduct")!=null)
            {
                String productId = request.getParameter("productId");


                ProductServices service=new ProductServices();
                ProductBean bean=new ProductBean();

                bean.setProductId(productId);


                boolean chk = false;
                try 
                {
                bean = service.searchDeleteProduct(bean, con);



                request.setAttribute("a", bean.getProductId());
                request.setAttribute("b", bean.getPrice());
                request.setAttribute("c", bean.getQuantity());
                request.setAttribute("d", bean.getThresholdLimit());
                request.setAttribute("e", bean.getEligibility());
                RequestDispatcher rd = request.getRequestDispatcher("delete_product.jsp");
                rd.forward(request, response);


                } 
                catch (SQLException e)
                {
                            e.printStackTrace();
                }
            }

            //method for passing control to delete product
            if(request.getParameter("deleteproduct")!=null)
            {

                ProductServices service=new ProductServices();
                ProductBean bean = new ProductBean();
                bean.setProductId(request.getParameter("productId"));
                bean.setDescription(request.getParameter("desc"));
                bean.setFeatures(request.getParameter("features"));
                bean.setPrice(request.getParameter("price"));
                bean.setQuantity(Integer.parseInt(request.getParameter("quantity")));
                bean.setEligibility(request.getParameter("eligibility"));
                bean.setThresholdLimit(request.getParameter("thresholdLimit"));

                try{
                service.deleteProduct(bean, con);
                response.sendRedirect("deleting_productmodel.jsp");
                }
                catch(SQLException E)
                {

                }
            }



            //method for passing control to above threshold

            if(request.getParameter("abovethreshold")!=null)
            {
                ProductBean bean=new ProductBean();
                ProductServices service=new ProductServices();



                boolean chk=false;

                try
                {
                    chk=service.aboveThreshold(bean, con);
                    response.sendRedirect("above_thresholdlimit.jsp");
                    con.close(); 
                }
                catch (SQLException e) 
                {

                        e.printStackTrace();
                }
                if(chk)
                {
                    RequestDispatcher rd=request.getRequestDispatcher("above_thresholdlimit.jsp");

                    rd.forward(request,response);
                }
            }
            //method for passing control to near threshold
            if(request.getParameter("nearthreshold")!=null)
            {
                ProductBean bean=new ProductBean();
                ProductServices service=new ProductServices();



                boolean chk=false;

                try
                {
                    chk=service.nearThreshold(bean, con);
                    response.sendRedirect("near_thresholdlimit.jsp");
                    con.close(); 
                }
                catch (SQLException e) 
                {

                        e.printStackTrace();
                }
                if(chk)
                {
                    RequestDispatcher rd=request.getRequestDispatcher("near_thresholdlimit.jsp");

                    rd.forward(request,response);
                }
            }
            //method for passing control to below threshold
            if(request.getParameter("belowthreshold")!=null)
            {
                ProductBean bean=new ProductBean();
                ProductServices service=new ProductServices();



                boolean chk=false;

                try
                {
                    chk=service.belowThreshold(bean, con);
                    response.sendRedirect("below_thresholdlimit.jsp");
                    con.close(); 
                }
                catch (SQLException e) 
                {

                        e.printStackTrace();
                }
                if(chk)
                {
                    RequestDispatcher rd=request.getRequestDispatcher("below_thresholdlimit.jsp");
                                    rd.forward(request,response);
                }
            }
        }

    }

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    package com.ilp.tsi.um.servlets;
    import java.sql.*;
    import com.ilp.tsi.db.DB;
    import java.io.*;
    import javax.servlet.http.HttpSession;
    import com.ilp.tsi.um.beans.Prodtag;
    import com.ilp.tsi.utils.Constant;

    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;

    public class Inserttag extends HttpServlet 
    {     
        private static final long serialVersionUID = 1L;
        public void doPost(HttpServletRequest req,HttpServletResponse res) throws ServletException,IOException 
        {        
            //getting the value of checked checkBoxes
            String checks[]=req.getParameterValues("checks[]");
            res.setContentType(Constant.content);        
            PrintWriter out = res.getWriter();  
            Prodtag prodbean=new Prodtag();
            //creating a session
            HttpSession session=req.getSession();

            prodbean=(Prodtag)session.getAttribute("retid");
            String retid=prodbean.getRetailerId();
            try 
            {    
                Connection conn=null;
                Statement stmt=null;
                DB obj=new DB();
                conn=obj.getConnection();  //connecting to database
                stmt=conn.createStatement(); // getting object for Statement class
                ResultSet rs=null;
                // inserting retailer id and product id in ret_prod table
                for(int i=0;i<checks.length;i++)
                { 

                      rs=stmt.executeQuery("select product_id from product where prod_model_name='"+checks[i]+ "'");
                      String temp="";
                      if(rs.next())
                      {
                      temp=rs.getString(1);
                      }

                      stmt.executeQuery("insert into RET_PROD (retailer_id, product_id) values ( '" +retid+ "' , '" +temp+ "')");       
                       stmt.executeQuery("commit");
                }


                res.sendRedirect("about.jsp");  

        conn.close(); 
            }         
            catch(SQLException e)
            {        
                e.printStackTrace();     
            }        
        }        
    }

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    package com.ilp.tsi.um.servlets;

    import java.io.IOException;



    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import com.ilp.tsi.um.beans.*;
    import com.ilp.tsi.db.DB;
    import javax.servlet.http.HttpSession;
    import java.sql.*;

    /**
     * Servlet implementation class EditRetailer
     */
    public class EditRetailer extends HttpServlet {
        private static final long serialVersionUID = 1L;

        /**
         * @see HttpServlet#HttpServlet()
         */
        public EditRetailer() {
            super();
            // TODO Auto-generated constructor stub
        }

        /**
         * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
         */
        protected void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {



            Connection conn=null;
            Statement stmt=null;
            ResultSet rs=null,rs1=null;

            //getting the session attribute value
            HttpSession session=req.getSession();




            String retId=(String)session.getAttribute("retId");



            try{

                DB obj=new DB();
                conn=obj.getConnection();
                stmt=conn.createStatement();
                //getting the user entered values 
                    String user=req.getParameter("user");
                String addr=req.getParameter("add");
                String id=req.getParameter("email");
                String cnum=req.getParameter("num");



                //updating retailer table with the user entered values

                rs=stmt.executeQuery("update retailer set retailer_name='"+user+"',contact_no='"+cnum+"',address='"+addr+"',email_id='"+id+"' where retailer_id='"+retId+"'" );


                res.sendRedirect("viewret.jsp");



            }
            catch(SQLException E)
            {
                E.printStackTrace();
            }
            finally
            {
                try
                {conn.close();
                stmt.close();
                }
                catch(SQLException E)
                {
                    E.printStackTrace();
                }

            }



        }

    }

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    package com.ilp.tsi.um.servlets;
    import java.io.IOException;
    //import java.io.PrintWriter;
    import java.sql.Connection;
    //import java.sql.DriverManager;
    import java.sql.ResultSet;
    import java.sql.SQLException;
    import java.sql.Statement;

    import javax.servlet.RequestDispatcher;
    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import javax.servlet.http.HttpSession;

    import com.ilp.tsi.db.DB;
    import com.ilp.tsi.utils.Constant;

    /**
     * Servlet implementation class login_admin
     */
    public class Login_Admin extends HttpServlet {
        private static final long serialVersionUID = 1L;

        /**
         * @see HttpServlet#HttpServlet()
         */
        public Login_Admin() {
            super();

        }

        /**
         * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
         */
        protected void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException 
        {
            String username=req.getParameter("user");
            String pwd=req.getParameter("pwd");
            res.setContentType(Constant.content);
            Connection conn = null;
            Statement stmt = null;
            ResultSet rst = null;
            try 
            {    

                DB obj=new DB();
                conn=obj.getConnection();
                stmt=conn.createStatement();
                //retrieving the admin id and password fields from admin table
                rst = stmt.executeQuery("select admin_id, password from admin");



                int temp=0;


                     while(rst.next())      
                         {

                         //compares the user entered values with the record in admin table
                    if((username.equals(rst.getString(1))) && (pwd.equals(rst.getString(2))))
                    {

                        //if password and username matches redirects to home_admin page
                        temp++;
                        //res.sendRedirect("home_admin.jsp");
                        break;
                    }






                }
                     if(temp==1)
                     {
                         res.sendRedirect("home_admin.jsp");
                     }
                     else
                     {
                         RequestDispatcher rd=req.getRequestDispatcher("login_admin.jsp");
                         req.setAttribute("flag", "false");
                         rd.forward(req,res);     
                     }



            }
                catch(Exception e)
                {        
                    e.printStackTrace();      
                } 
                finally
                {
                try {
                    conn.close();
                    stmt.close();
                    rst.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }

                }
        }
        }
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package com.ilp.tsi.um.servlets;

import java.io.IOException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.ilp.tsi.db.DB;

/**
 * Servlet implementation class Untag
 */
public class Untag extends HttpServlet {
    private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public Untag() {
        super();
        // TODO Auto-generated constructor stub
    }


    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest req, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        Connection conn=null;
        Statement stmt=null;
        ResultSet rs=null;
        HttpSession session=req.getSession();
        //retrieving the retailer id
        String retId=(String)session.getAttribute("retId");
        try
        {
            DB obj=new DB();
            conn=obj.getConnection();
            stmt=conn.createStatement();
            String[] check=req.getParameterValues("check");
            for(int i=0;i<check.length;i++)
                {
                    //Untagging products before deleting
                    rs=stmt.executeQuery("delete from ret_prod where ((retailer_id='"+retId+"') and (product_id='"+check[i]+"')) ");
                }
            response.sendRedirect("editretailer.jsp");
    }
        catch(Exception E)
        {
            E.printStackTrace();
        }
        finally
        {
            try{
                conn.close();
                stmt.close();
            }
            catch(Exception F)
            {

                F.printStackTrace();
            }

            }
        }

}
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servlet
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servlet
servlet   try { con=DaoPack.createConnection(); } catch(Exception e) { e.printStackTrace(); } if(request.getParameter("addproduct")!=null) { ProductBean bean=new ProductBean
servlet
servlet   try { con=DaoPack.createConnection(); } catch(Exception e) { e.printStackTrace(); } if(request.getParameter("addproduct")!=null) { ProductBean bean=new ProductBean
servlet
com.ilp.tsi.pm.services.StockService; /** * Servlet implementation class AddServlet1 */ //Servlet for Adding the stock public class AddStockServlet extends...; import com.ilp.tsi.utils.*; /** * Servlet implementation class Changepwd
servlet
); } } } this is the code for .java servlet am able to run
servlet
com.ilp.tsi.um.bean.BankBean; import com.ilp.tsi.um.service.BankService; /** * Servlet
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