Servlet Response Send Redirect : Response « Servlet « Java Tutorial

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Java Tutorial » Servlet » Response 
25. 13. 1. Servlet Response Send Redirect
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;

public class MyServlet extends HttpServlet {
   
 public void doGet(HttpServletRequest request, HttpServletResponse responsethrows ServletException, java.io.IOException {
        
       //redirect the user depending on the value of the 'go' param
        String destination = getInitParameter("go");
        String contextPath = request.getContextPath();
        
         if(destination == null || destination.equals(""))
            throw new ServletException(
             "Missing or invalid 'go' parameter in " +
               getClass().getName());
        
        if(destination.equals("weather"))
        //ensure URL rewriting
            response.sendRedirect(response.encodeRedirectURL(contextPath + "/weather") );
        
         if(destination.equals("maps"))
        //ensure URL rewriting
            response.sendRedirect(response.encodeRedirectURL(contextPath + "/maps") );
    }
}
<?xml version="1.0" encoding="ISO-8859-1"?>

<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
    "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">

<web-app>
    <servlet><servlet-name>MyServletName</servlet-name>
             <servlet-class>MyServlet</servlet-class>
        <init-param>
            <param-name>
                go
            </param-name>
            <param-value>
                weather
            </param-value>
        </init-param>
             
    </servlet>
    
    <servlet-mapping><servlet-name>MyServletName</servlet-name>
        <url-pattern>/index.html</url-pattern>
    </servlet-mapping>
</web-app>
  Download:  ServletResponseSendRedirect.zip( 89 k)
25. 13. Response
25. 13. 1. Servlet Response Send Redirect
25. 13. 2. Servlet Response Send Error
25. 13. 3. Servlet OutputStream
25. 13. 4. Get Servlet OutputStream from Servlet Response
25. 13. 5. HTTP Response
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