Change Background and Foreground Color using Servlet Part 2

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Go back to Change Background and Foreground Color using Servlet Part 1

Hope you have understood the concept of servlet changing the background and foreground color. As you already know that make a great UI we need to setup the different color as per the requirements. Here is the code sample of java servlet which can help you to implement coding in just a few seconds.

File: ColorGeneratorServlet.java

/*

Change Background and Foreground Color using Servlet
*/

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

public class ColorGeneratorServlet extends HttpServlet
{
        
        public void doPost(HttpServletRequest request,HttpServletResponse response) throws IOException,ServletException
        {
                PrintWriter out = response.getWriter();
                String c1 = request.getParameter("bc");
                String c2 = request.getParameter("fc");
                out.println("<html><body bgcolor="+c1+"> <font color="+ c2 +"> Hello How are you ? </font> </body></html>");
        }
        
        public void doGet(HttpServletRequest request,HttpServletResponse response) throws IOException,ServletException
        {
                doPost(request,response);
        }
        
}

File: web.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
 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.
-->

<web-app xmlns="http://java.sun.com/xml/ns/javaee"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
                      http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
  version="3.0"
  metadata-complete="true">

  <display-name>ColorGeneratorServlet</display-name>
  <description>
    A scriptable management web application for the Tomcat Web Server;
    Manager lets you view, load/unload/etc particular web applications.
  </description>

  <servlet>
    <servlet-name>ColorGeneratorServlet</servlet-name>
    <servlet-class>ColorGeneratorServlet</servlet-class>
  </servlet>

  <!-- Define the Manager Servlet Mapping -->
  <servlet-mapping>
    <servlet-name>ColorGeneratorServlet</servlet-name>
      <url-pattern>/ColorGeneratorServlet</url-pattern>
  </servlet-mapping>
</web-app>