001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 /* $Id: RequestParamExample.java 664175 2008-06-06 22:43:44Z djencks $
018 *
019 */
020
021 import java.io.IOException;
022 import java.io.PrintWriter;
023 import java.util.ResourceBundle;
024
025 import javax.servlet.ServletException;
026 import javax.servlet.http.HttpServlet;
027 import javax.servlet.http.HttpServletRequest;
028 import javax.servlet.http.HttpServletResponse;
029
030 import util.HTMLFilter;
031
032 /**
033 * Example servlet showing request headers
034 *
035 * @author James Duncan Davidson <duncan@eng.sun.com>
036 */
037
038 public class RequestParamExample extends HttpServlet {
039
040
041 ResourceBundle rb = ResourceBundle.getBundle("LocalStrings");
042
043 public void doGet(HttpServletRequest request,
044 HttpServletResponse response)
045 throws IOException, ServletException {
046 response.setContentType("text/html");
047
048 PrintWriter out = response.getWriter();
049 out.println("<html>");
050 out.println("<body>");
051 out.println("<head>");
052
053 String title = rb.getString("requestparams.title");
054 out.println("<title>" + title + "</title>");
055 out.println("</head>");
056 out.println("<body bgcolor=\"white\">");
057
058 // img stuff not req'd for source code html showing
059
060 // all links relative
061
062 // XXX
063 // making these absolute till we work out the
064 // addition of a PathInfo issue
065
066 out.println("<a href=\"../reqparams.html\">");
067 out.println("<img src=\"../images/code.gif\" height=24 " +
068 "width=24 align=right border=0 alt=\"view code\"></a>");
069 out.println("<a href=\"../index.html\">");
070 out.println("<img src=\"../images/return.gif\" height=24 " +
071 "width=24 align=right border=0 alt=\"return\"></a>");
072
073 out.println("<h3>" + title + "</h3>");
074 String firstName = request.getParameter("firstname");
075 String lastName = request.getParameter("lastname");
076 out.println(rb.getString("requestparams.params-in-req") + "<br>");
077 if (firstName != null || lastName != null) {
078 out.println(rb.getString("requestparams.firstname"));
079 out.println(" = " + HTMLFilter.filter(firstName) + "<br>");
080 out.println(rb.getString("requestparams.lastname"));
081 out.println(" = " + HTMLFilter.filter(lastName));
082 } else {
083 out.println(rb.getString("requestparams.no-params"));
084 }
085 out.println("<P>");
086 out.print("<form action=\"");
087 out.print("RequestParamExample\" ");
088 out.println("method=POST>");
089 out.println(rb.getString("requestparams.firstname"));
090 out.println("<input type=text size=20 name=firstname>");
091 out.println("<br>");
092 out.println(rb.getString("requestparams.lastname"));
093 out.println("<input type=text size=20 name=lastname>");
094 out.println("<br>");
095 out.println("<input type=submit>");
096 out.println("</form>");
097
098 out.println("</body>");
099 out.println("</html>");
100 }
101
102 public void doPost(HttpServletRequest request,
103 HttpServletResponse response)
104 throws IOException, ServletException {
105 doGet(request, response);
106 }
107
108 }