cours0708/P51/apache-tomcat-6.0.14/webapps/examples/WEB-INF/classes/RequestHeaderExample.java

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2008-11-25 21:11:16 +00:00
/*
* 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: RequestHeaderExample.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 RequestHeaderExample 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("requestheader.title");
out.println("<title>" + title + "</title>");
out.println("</head>");
out.println("<body>");
// 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 e = request.getHeaderNames();
while (e.hasMoreElements()) {
String headerName = (String)e.nextElement();
String headerValue = request.getHeader(headerName);
out.println("<tr><td bgcolor=\"#CCCCCC\">");
out.println(HTMLFilter.filter(headerName));
out.println("</td><td>");
out.println(HTMLFilter.filter(headerValue));
out.println("</td></tr>");
}
out.println("</table>");
}
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException
{
doGet(request, response);
}
}