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Servlets : URL Rewriting Demo |
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Servlets : URL Rewriting Demo |
FirstServlet.java import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class FirstServlet extends HttpServlet
{
private static final long serialVersionUID = 1L;
public void init() throws ServletException
{
System.out.println("-----------------------------------------");
System.out.println(" Init method is called in "
+ this.getClass().getName());
System.out.println("--------------------------------------");
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String userName = request.getParameter("userName");
out.print("Welcome " + userName);
// appending the username in the query string
out.print("<a href='servlet2?uname=" + userName +"'> : visit</a>");
out.close();
}
public void destroy()
{
System.out.println("-----------------------------------------");
System.out.println(" destroy method is called in "
+ this.getClass().getName());
System.out.println("-----------------------------------------");
}
}
SecondServlet.java import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class SecondServlet extends HttpServlet
{
private static final long serialVersionUID = 1L;
public void init() throws ServletException
{
System.out.println("-----------------------------------------");
System.out.println(" Init method is called in "
+ this.getClass().getName());
System.out.println("--------------------------------------");
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
// getting value from the query string
String userName = request.getParameter("uname");
out.print("Hello " + userName);
out.close();
}
public void destroy()
{
System.out.println("-----------------------------------------");
System.out.println(" destroy method is called in "
+ this.getClass().getName());
System.out.println("-----------------------------------------");
}
}