| /* |
| * Copyright 1999,2004 The Apache Software Foundation. |
| * |
| * Licensed 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</title>"); |
| 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</h1>"); |
| writer.println("This is the output of a servlet that is part of"); |
| writer.println("the Hello, World application. It displays the"); |
| writer.println("request headers from the request we are currently"); |
| writer.println("processing."); |
| writer.println("</td>"); |
| writer.println("</tr>"); |
| writer.println("</table>"); |
| |
| writer.println("<table border=\"0\" width=\"100%\">"); |
| Enumeration names = request.getHeaderNames(); |
| while (names.hasMoreElements()) { |
| String name = (String) names.nextElement(); |
| writer.println("<tr>"); |
| writer.println(" <th align=\"right\">" + name + ":</th>"); |
| writer.println(" <td>" + request.getHeader(name) + "</td>"); |
| writer.println("</tr>"); |
| } |
| writer.println("</table>"); |
| |
| writer.println("</body>"); |
| writer.println("</html>"); |
| |
| } |
| |
| |
| } |
