| /* | |
| * 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. | |
| */ | |
| import java.io.IOException; | |
| import java.io.PrintWriter; | |
| import java.util.Enumeration; | |
| import java.util.Locale; | |
| import java.util.ResourceBundle; | |
| import javax.servlet.ServletException; | |
| import javax.servlet.http.HttpServlet; | |
| import javax.servlet.http.HttpServletRequest; | |
| import javax.servlet.http.HttpServletResponse; | |
| import javax.servlet.http.HttpSession; | |
| import util.CookieFilter; | |
| import util.HTMLFilter; | |
| /** | |
| * Example servlet showing request headers | |
| * | |
| * @author James Duncan Davidson <duncan@eng.sun.com> | |
| */ | |
| public class RequestHeaderExample extends HttpServlet { | |
| private static final long serialVersionUID = 1L; | |
| private static final ResourceBundle RB = ResourceBundle.getBundle("LocalStrings"); | |
| @Override | |
| public void doGet(HttpServletRequest request, | |
| HttpServletResponse response) | |
| throws IOException, ServletException | |
| { | |
| response.setContentType("text/html"); | |
| PrintWriter out = response.getWriter(); | |
| out.println("<html>"); | |
| out.println("<head>"); | |
| String title = RB.getString("requestheader.title"); | |
| out.println("<title>" + title + "</title>"); | |
| out.println("</head>"); | |
| out.println("<body bgcolor=\"white\">"); | |
| // all links relative | |
| // XXX | |
| // making these absolute till we work out the | |
| // addition of a PathInfo issue | |
| out.println("<a href=\"../reqheaders.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 + "</h3>"); | |
| out.println("<table border=0>"); | |
| Enumeration<String> e = request.getHeaderNames(); | |
| while (e.hasMoreElements()) { | |
| String headerName = e.nextElement(); | |
| String headerValue = request.getHeader(headerName); | |
| out.println("<tr><td bgcolor=\"#CCCCCC\">"); | |
| out.println(HTMLFilter.filter(headerName)); | |
| out.println("</td><td>"); | |
| if (headerName.toLowerCase(Locale.ENGLISH).contains("cookie")) { | |
| HttpSession session = request.getSession(false); | |
| String sessionId = null; | |
| if (session != null) { | |
| sessionId = session.getId(); | |
| } | |
| out.println(HTMLFilter.filter(CookieFilter.filter(headerValue, sessionId))); | |
| } else { | |
| out.println(HTMLFilter.filter(headerValue)); | |
| } | |
| out.println("</td></tr>"); | |
| } | |
| out.println("</table>"); | |
| } | |
| @Override | |
| public void doPost(HttpServletRequest request, | |
| HttpServletResponse response) | |
| throws IOException, ServletException | |
| { | |
| doGet(request, response); | |
| } | |
| } | |