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 514091 2007-03-03 06:26:39Z jdillon $
018     *
019     */
020    
021    import java.io.*;
022    import java.util.*;
023    import javax.servlet.*;
024    import javax.servlet.http.*;
025    
026    import util.HTMLFilter;
027    
028    /**
029     * Example servlet showing request headers
030     *
031     * @author James Duncan Davidson <duncan@eng.sun.com>
032     */
033    
034    public class RequestParamExample extends HttpServlet {
035    
036    
037        ResourceBundle rb = ResourceBundle.getBundle("LocalStrings");
038        
039        public void doGet(HttpServletRequest request,
040                          HttpServletResponse response)
041            throws IOException, ServletException
042        {
043            response.setContentType("text/html");
044    
045            PrintWriter out = response.getWriter();
046            out.println("<html>");
047            out.println("<body>");
048            out.println("<head>");
049    
050            String title = rb.getString("requestparams.title");
051            out.println("<title>" + title + "</title>");
052            out.println("</head>");
053            out.println("<body bgcolor=\"white\">");
054    
055            // img stuff not req'd for source code html showing
056    
057            // all links relative
058    
059            // XXX
060            // making these absolute till we work out the
061            // addition of a PathInfo issue 
062            
063            out.println("<a href=\"../reqparams.html\">");
064            out.println("<img src=\"../images/code.gif\" height=24 " +
065                        "width=24 align=right border=0 alt=\"view code\"></a>");
066            out.println("<a href=\"../index.html\">");
067            out.println("<img src=\"../images/return.gif\" height=24 " +
068                        "width=24 align=right border=0 alt=\"return\"></a>");
069    
070            out.println("<h3>" + title + "</h3>");
071            String firstName = request.getParameter("firstname");
072            String lastName = request.getParameter("lastname");
073            out.println(rb.getString("requestparams.params-in-req") + "<br>");
074            if (firstName != null || lastName != null) {
075                out.println(rb.getString("requestparams.firstname"));
076                out.println(" = " + HTMLFilter.filter(firstName) + "<br>");
077                out.println(rb.getString("requestparams.lastname"));
078                out.println(" = " + HTMLFilter.filter(lastName));
079            } else {
080                out.println(rb.getString("requestparams.no-params"));
081            }
082            out.println("<P>");
083            out.print("<form action=\"");
084            out.print("RequestParamExample\" ");
085            out.println("method=POST>");
086            out.println(rb.getString("requestparams.firstname"));
087            out.println("<input type=text size=20 name=firstname>");
088            out.println("<br>");
089            out.println(rb.getString("requestparams.lastname"));
090            out.println("<input type=text size=20 name=lastname>");
091            out.println("<br>");
092            out.println("<input type=submit>");
093            out.println("</form>");
094    
095            out.println("</body>");
096            out.println("</html>");
097        }
098    
099        public void doPost(HttpServletRequest request,
100                          HttpServletResponse response)
101            throws IOException, ServletException
102        {
103            doGet(request, response);
104        }
105    
106    }