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Tomcat example source code file (Hello.java)

This example Tomcat source code file (Hello.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

application, application, hello, hello, http, httpservlet, httpservletresponse, io, ioexception, page, printwriter, printwriter, request, response, servlet, servlet, servletexception, this, util

The Tomcat Hello.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.
 */

package mypackage;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


/**
 * Simple servlet to validate that the Hello, World example can
 * execute servlets.  In the web application deployment descriptor,
 * this servlet must be mapped to correspond to the link in the
 * "index.html" file.
 *
 * @author Craig R. McClanahan <Craig.McClanahan@eng.sun.com>
 */

public final class Hello extends HttpServlet {


    /**
     * Respond to a GET request for the content produced by
     * this servlet.
     *
     * @param request The servlet request we are processing
     * @param response The servlet response we are producing
     *
     * @exception IOException if an input/output error occurs
     * @exception ServletException if a servlet error occurs
     */
    public void doGet(HttpServletRequest request,
                      HttpServletResponse response)
      throws IOException, ServletException {

	response.setContentType("text/html");
	PrintWriter writer = response.getWriter();

	writer.println("<html>");
	writer.println("<head>");
	writer.println("<title>Sample Application Servlet Page");
	writer.println("</head>");
	writer.println("<body bgcolor=white>");

	writer.println("<table border=\"0\">");
	writer.println("<tr>");
	writer.println("<td>");
	writer.println("<img src=\"images/tomcat.gif\">");
	writer.println("</td>");
	writer.println("<td>");
	writer.println("<h1>Sample Application Servlet");
	writer.println("This is the output of a servlet that is part of");
	writer.println("the Hello, World application.");
	writer.println("</td>");
	writer.println("</tr>");
	writer.println("</table>");

	writer.println("</body>");
	writer.println("</html>");

    }


}

Other Tomcat examples (source code examples)

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