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<%@ page import="java.util.*" %>
<html>
   <head>
      <title>Echo</title>
   </head>
   <body>
      <h1>HTTP Request Headers Received</h1>
      <table border="1" cellpadding="4" cellspacing="0">
      <%
         Enumeration eNames = request.getHeaderNames();
         while (eNames.hasMoreElements()) {
            String name = (String) eNames.nextElement();
            String value = normalize(request.getHeader(name));
      %>
         <tr><td><%= name %></td><td><%= value %></td></tr>
      <%
         }
      %>
      </table>
   </body>
</html>
<%!
   private String normalize(String value)
   {
      StringBuffer sb = new StringBuffer();
      for (int i = 0; i < value.length(); i++) {
         char c = value.charAt(i);
         sb.append(c);
         if (c == ';')
            sb.append("<br>");
      }
      return sb.toString();
   }
%>