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Tomcat example source code file (CookieExample.java)

This example Tomcat source code file (CookieExample.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

cookie, cookie, cookieexample, http, httpservletresponse, io, ioexception, ioexception, localstrings, name, p, printwriter, request, response, servlet, servletexception, servletexception, string, string, util

The Tomcat CookieExample.java source code

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id: CookieExample.java 500674 2007-01-27 23:15:00Z markt $
 *
 */

import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

import util.HTMLFilter;

/**
 * Example servlet showing request headers
 *
 * @author James Duncan Davidson <duncan@eng.sun.com>
 */

public class CookieExample extends HttpServlet {

    ResourceBundle rb = ResourceBundle.getBundle("LocalStrings");
    
    public void doGet(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {
        response.setContentType("text/html");

        PrintWriter out = response.getWriter();
        out.println("<html>");
        out.println("<body bgcolor=\"white\">");
        out.println("<head>");

        String title = rb.getString("cookies.title");
        out.println("<title>" + title + "");
        out.println("</head>");
        out.println("<body>");

	// relative links

        // XXX
        // making these absolute till we work out the
        // addition of a PathInfo issue 
	
        out.println("<a href=\"../cookies.html\">");
        out.println("<img src=\"../images/code.gif\" height=24 " +
                    "width=24 align=right border=0 alt=\"view code\"></a>");
        out.println("<a href=\"../index.html\">");
        out.println("<img src=\"../images/return.gif\" height=24 " +
                    "width=24 align=right border=0 alt=\"return\"></a>");

        out.println("<h3>" + title + "");

        Cookie[] cookies = request.getCookies();
        if ((cookies != null) && (cookies.length > 0)) {
            out.println(rb.getString("cookies.cookies") + "<br>");
            for (int i = 0; i < cookies.length; i++) {
                Cookie cookie = cookies[i];
                out.print("Cookie Name: " + HTMLFilter.filter(cookie.getName())
                          + "<br>");
                out.println("  Cookie Value: " 
                            + HTMLFilter.filter(cookie.getValue())
                            + "<br>
");
            }
        } else {
            out.println(rb.getString("cookies.no-cookies"));
        }

        String cookieName = request.getParameter("cookiename");
        String cookieValue = request.getParameter("cookievalue");
        if (cookieName != null && cookieValue != null) {
            Cookie cookie = new Cookie(cookieName, cookieValue);
            response.addCookie(cookie);
            out.println("<P>");
            out.println(rb.getString("cookies.set") + "<br>");
            out.print(rb.getString("cookies.name") + "  " 
                      + HTMLFilter.filter(cookieName) + "<br>");
            out.print(rb.getString("cookies.value") + "  " 
                      + HTMLFilter.filter(cookieValue));
        }
        
        out.println("<P>");
        out.println(rb.getString("cookies.make-cookie") + "<br>");
        out.print("<form action=\"");
        out.println("CookieExample\" method=POST>");
        out.print(rb.getString("cookies.name") + "  ");
        out.println("<input type=text length=20 name=cookiename>
");
        out.print(rb.getString("cookies.value") + "  ");
        out.println("<input type=text length=20 name=cookievalue>
");
        out.println("<input type=submit>");
            
            
        out.println("</body>");
        out.println("</html>");
    }

    public void doPost(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {
        doGet(request, response);
    }

}

Other Tomcat examples (source code examples)

Here is a short list of links related to this Tomcat CookieExample.java source code file:
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