C# Online Compiler | .NET Fiddle

<no name> by Anonymous

prac 3a ej

index.html

<!DOCTYPE html>
<!--
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.
-->
<html>
    <head>
        <title>TODO supply a title</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
    </head>
    <body>
        <form action="fileup" method="post" enctype="multipart/form-data">
            <h1>File Upload Application</h1>
            Select File to Upload : <input type="file" name="ufile">
            <br/>
            Destination : <input type="text" name="destination"><br>
            <input type="submit" value="Upload FIle">
        </form>
        <hr>
        <hr>
        <hr>
        <hr>
        <h1>File Download Application</h1>
        Click <a href="filedown?filename=download.pdf">TYBsc-IT Syllabus</a>
        <br>
        CLick <a href="filedown?filename=upg.pdf">University Exam Question Paper</a>
    </body>
</html>


fileup.java

/*
 * 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.
 */

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.InputStream;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.annotation.MultipartConfig;
import javax.servlet.http.Part;
/**
 *
 * @author Admin
 */
@MultipartConfig  

public class fileup 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 {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");            
            out.println("</head>");
            out.println("<body>");
            String path = request.getParameter("destination");
            Part filePart = request.getPart("ufile");
            String filename = filePart.getSubmittedFileName();
            out.println("<br><br><hr>File Name: "+ filename);
            OutputStream os = null;
            InputStream is = null;
            try{
                os = new FileOutputStream(new File(path+File.separator+filename));
                is = filePart.getInputStream();
                int read = 0;
                while((read = is.read())!=1)
                {
                    os.write(read);
                }
                out.print("<br>File Uploaded Successfully");
            }
            catch(FileNotFoundException e)
            {
                out.print(e);
            }
            out.println("</body>");
            out.println("</html>");
        }
    }

    // <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>

}


filedown.java

/*
 * 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.
 */

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Admin
 */
public class filedown 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 {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet filedown</title>");            
            out.println("</head>");
            out.println("<body>");
            response.setContentType("APPLICATION/OCTET-STREAM");
            String filename = request.getParameter("filename");
            ServletContext context = getServletContext();
            try(InputStream is = context.getResourceAsStream("/"+filename)){
                response.setHeader("Content-Disposition", "attachment;filename=\"" + filename + "\"");
                int i;
                while((i=is.read()) != -1)
                {
                    out.write(i);
                }
            }
            out.close();
            out.println("</body>");
            out.println("</html>");
        }
    }

    // <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>

}

​x
 
prac 3a ej
​
index.html
​
<!DOCTYPE html>
<!--
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.
-->
<html>
    <head>
        <title>TODO supply a title</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
    </head>
    <body>
        <form action="fileup" method="post" enctype="multipart/form-data">
            <h1>File Upload Application</h1>
            Select File to Upload : <input type="file" name="ufile">
            <br/>
            Destination : <input type="text" name="destination"><br>
            <input type="submit" value="Upload FIle">
        </form>
        <hr>
        <hr>
        <hr>
        <hr>
        <h1>File Download Application</h1>
        Click <a href="filedown?filename=download.pdf">TYBsc-IT Syllabus</a>
        <br>
        CLick <a href="filedown?filename=upg.pdf">University Exam Question Paper</a>
    </body>
</html>
​
​
fileup.java
​
/*
 * 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.
 */
​
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.InputStream;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.annotation.MultipartConfig;
import javax.servlet.http.Part;
/**
 *
 * @author Admin
 */
@MultipartConfig  
​
public class fileup 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 {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");            
            out.println("</head>");
            out.println("<body>");
            String path = request.getParameter("destination");
            Part filePart = request.getPart("ufile");
            String filename = filePart.getSubmittedFileName();
            out.println("<br><br><hr>File Name: "+ filename);
            OutputStream os = null;
            InputStream is = null;
            try{
                os = new FileOutputStream(new File(path+File.separator+filename));
                is = filePart.getInputStream();
                int read = 0;
                while((read = is.read())!=1)
                {
                    os.write(read);
                }
                out.print("<br>File Uploaded Successfully");
            }
            catch(FileNotFoundException e)
            {
                out.print(e);
            }
            out.println("</body>");
            out.println("</html>");
        }
    }
​
    // <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>
​
}
​
​
filedown.java
​
/*
 * 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.
 */
​
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
​
/**
 *
 * @author Admin
 */
public class filedown 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 {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet filedown</title>");            
            out.println("</head>");
            out.println("<body>");
            response.setContentType("APPLICATION/OCTET-STREAM");
            String filename = request.getParameter("filename");
            ServletContext context = getServletContext();
            try(InputStream is = context.getResourceAsStream("/"+filename)){
                response.setHeader("Content-Disposition", "attachment;filename=\"" + filename + "\"");
                int i;
                while((i=is.read()) != -1)
                {
                    out.write(i);
                }
            }
            out.close();
            out.println("</body>");
            out.println("</html>");
        }
    }
​
    // <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>
​
}
​

Last Run:	9:36:32 am
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Execute:	0s
Memory:	32kb
CPU:	0.016s

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