15. Assume that we have got three pdf files for the MCA-1 Syllabus, MCA-2 Syllabus and MCA-3 Syllabus respectively, Now write a Servlet which displays the appropriate PDF file to the client, by looking at a request parameter for the year (1, 2 or 3).
Index.html
<html>
<head>
<title>EX-15: WTAD : www.bipinrupadiya.com</title>
</head>
<body>
<center>
<FORM action="/Ex15/bipinrupadiya.blogspot.com">
Select MCA Syllabus : <select size=1 name="MCA">
<option value="MCA-1">MCA1</option>
<option value="MCA-2">MCA2</option>
<option value="MCA-3">MCA3</option>
</select>
<INPUT TYPE="SUBMIT" value="Show" >
</FORM>
</center>
</body>
</html>
Servlet<head>
<title>EX-15: WTAD : www.bipinrupadiya.com</title>
</head>
<body>
<center>
<FORM action="/Ex15/bipinrupadiya.blogspot.com">
Select MCA Syllabus : <select size=1 name="MCA">
<option value="MCA-1">MCA1</option>
<option value="MCA-2">MCA2</option>
<option value="MCA-3">MCA3</option>
</select>
<INPUT TYPE="SUBMIT" value="Show" >
</FORM>
</center>
</body>
</html>
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.annotation.WebServlet;
@WebServlet(
name="WTAD",
urlPatterns={"/Ex15","/bipinrupadiya.blogspot.com"}
)
public class ShowPDF extends HttpServlet
{
public void doGet(HttpServletRequest request, HttpServletResponse response)throws
ServletException,IOException
{
String sem = request.getParameter("MCA");
response.setContentType("application/pdf");
response.sendRedirect("/"+sem+".pdf");
}
public void doPost(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException
{
doGet(request,response);
}
}
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.annotation.WebServlet;
@WebServlet(
name="WTAD",
urlPatterns={"/Ex15","/bipinrupadiya.blogspot.com"}
)
public class ShowPDF extends HttpServlet
{
public void doGet(HttpServletRequest request, HttpServletResponse response)throws
ServletException,IOException
{
String sem = request.getParameter("MCA");
response.setContentType("application/pdf");
response.sendRedirect("/"+sem+".pdf");
}
public void doPost(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException
{
doGet(request,response);
}
}
NOTE: Put Three .pdf file on application's root directory (MCA-1.pdf, MCA-2.pdf, MCA-3.pdf)
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