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Code Editor : reqparams.html

<!--
 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
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http://www.apache.org/licenses/LICENSE-2.0

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 See the License for the specific language governing permissions and
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-->
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>

<body bgcolor="#FFFFFF">
<a href="servlet/RequestParamExample"><img src="images/execute.gif" align="right" border="0"></a><a href="index.html"><img src="images/return.gif" width="24" height="24" align="right" border="0"></a>
<h3>Source Code for Request Parameter Example 
 </h3>

<pre>import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class RequestParamExample extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)
 throws IOException, ServletException
 {
 response.setContentType(&quot;text/html&quot;);
 PrintWriter out = response.getWriter();
 out.println(&quot;&lt;html&gt;&quot;);
 out.println(&quot;&lt;head&gt;&quot;);
 out.println(&quot;&lt;title&gt;Request Parameters Example&lt;/title&gt;&quot;);
 out.println(&quot;&lt;/head&gt;&quot;);
 out.println(&quot;&lt;body&gt;&quot;);
 out.println(&quot;&lt;h3&gt;Request Parameters Example&lt;/h3&gt;&quot;);
 out.println(&quot;Parameters in this request:&lt;br&gt;&quot;);

String firstName = request.getParameter("firstname");
        String lastName = request.getParameter("lastname");

if (firstName != null || lastName != null) {
 out.println(&quot;First Name:&quot;);
 out.println(&quot; = &quot; + HTMLFilter.filter(firstName) + &quot;&lt;br&gt;&quot;);
 out.println(&quot;Last Name:&quot;);
 out.println(&quot; = &quot; + HTMLFilter.filter(lastName));
 } else {
 out.println(&quot;No Parameters, Please enter some&quot;);
 }
 out.println(&quot;&lt;P&gt;&quot;);
 out.print(&quot;&lt;form action=\"&quot;);
 out.print(&quot;RequestParamExample\" &quot;);
 out.println(&quot;method=POST&gt;&quot;);
 out.println(&quot;First Name:&quot;);
 out.println(&quot;&lt;input type=text size=20 name=firstname&gt;&quot;);
 out.println(&quot;&lt;br&gt;&quot;);
 out.println(&quot;Last Name:&quot;);
 out.println(&quot;&lt;input type=text size=20 name=lastname&gt;&quot;);
 out.println(&quot;&lt;br&gt;&quot;);
 out.println(&quot;&lt;input type=submit&gt;&quot;);
 out.println(&quot;&lt;/form&gt;&quot;);
 out.println(&quot;&lt;/body&gt;&quot;);
 out.println(&quot;&lt;/html&gt;&quot;);
 }

public void doPost(HttpServletRequest request, HttpServletResponse res)
 throws IOException, ServletException
 {
 doGet(request, response);
 }
}</pre>
</body>
</html>

${this.title}

Code Editor : reqparams.html