Java tutorial
import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class ShowFile extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ServletOutputStream out = response.getOutputStream(); String fileName = request.getParameter("file"); out.println("<html>"); out.println("<head>"); out.println("<title>Welcome</title>"); out.println("</head>"); out.println("<body>"); out.println("<h2>The File</h2>"); out.println(fileName); out.println("</body>"); out.println("</html>"); out.close(); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }