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naveen kumar gupta
file share to particular user
0 Answer(s)      a year and 4 months ago
Posted in : JSP-Servlet


hi i am doing my project in jsp-servlet.i am able to upload successfully any file to oracle database. i want to share a file to specific user , how to write code plzzz help. thank you in advance

here is my code ShowFiles

<html>
<head></head>
<body>
<form name=myname method=get action="ShowUser.jsp">
<table border="1">
<tr><td></td>
<td><b><u>File ID</u></b></td>
<td><b><u>File Description</u></b></td>
<td><b><u>Up Date</u></b></td>
<%--<td><b><u>User Description</u></b></td>--%>
</tr>

<%try
{

    int i=0;
HttpSession hs=request.getSession(true);
 if(null!=hs.getAttribute("i1"))
        {

            i=(Integer) hs.getAttribute("i1");
        }
Connection con = null;

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con=DriverManager.getConnection("jdbc:odbc:naveen","naveen","naveen");
ResultSet rs = null;
Statement st=null;
st=con.createStatement();
rs = st.executeQuery("select file_id,file_desc,up_date from files where user_id='"+i+"' ");
while(rs.next()){String id=rs.getString("file_id"); %>
<tr><td><input type="checkbox" name="Check1<%=i%>" value=<%= id %>></td>
<td><%= id %></td>
<td><%= rs.getString("file_desc") %></td>
<td><%= rs.getString("up_date") %></td>
</tr><%
i++;
}
}catch(SQLException e){ out.println(e.getMessage()); } %>
</table>
<input type="submit" value="Select User">



 ShowUser


<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <%@page import="java.sql.*"%>
        <title>JSP Page</title>
    </head>
    <body>
       <form name=myname method=get action="ShareFile">
<table border="1">
<tr><td></td>
<td><b><u>User ID</u></b></td>
<td><b><u>User Name</u></b></td>
<td><b><u>Password</u></b></td>
<td><b><u>User Description</u></b></td>
</tr>
<%try{

Connection con = null;

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con=DriverManager.getConnection("jdbc:odbc:naveen","naveen","naveen");
ResultSet rs = null;
Statement st=null;
st=con.createStatement();
rs = st.executeQuery("select * from user_det");
int i=0; while(rs.next()){ String id=rs.getString("user_id");%>
<tr><td><input type="checkbox" name="Check2<%=i%>" value=<%= id %>></td>
<td><%= id %></td>

<td><%= rs.getString("user_nm") %></td>
<td><%= rs.getString("password") %></td>
<td><%= rs.getString("user_desc") %></td>
</tr><%
i++;
}
}catch(SQLException e){ out.println(e.getMessage()); } %>
</table>
<input type="submit">


sharefile.java


package BuisnessLogic;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.Enumeration;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@WebServlet(name = "ShareFile", urlPatterns = {"/ShareFile"})
public class ShareFile extends HttpServlet {


    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        Connection con = null;
        ResultSet rs = null;
        Statement st=null;
        try {

                Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
                con=DriverManager.getConnection("jdbc:odbc:naveen","naveen","naveen");

                st=con.createStatement();
                Enumeration<String> paramnames = request.getParameterNames();


                while(paramnames.hasMoreElements())
                {
                        String check1 = paramnames.nextElement();
                        String check2 = paramnames.nextElement();
                        if((check1.startsWith("Check1"))&&(check2.startsWith("Check2")))
                        {   
                         st.executeUpdate("insert into share_det(file_id,user_id) values('"+request.getParameter(check1)+"','"+request.getParameter(check2)+"')");
                        }
                }
                out.println("File has sent to particular user");

            }catch(Exception e){ 
                out.println(e);
                out.println(e.getMessage()); 

        } finally {            
            out.close();
        }
    }

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