jsp_addressbook/testpage.jsp

<%! static String pageTitle = "Snoopy"; %>
<%@ page info="test area" %>
<%@ page import="java.util.Enumeration" %>
<%@ include file="include/pageHeader.jsp" %>
<body style="background-color: #f0f0f0">
<div>
  <h1>Header And Session Snooper</h1>

  <h3>Header Contents:</h3>
  <p class="content">
<%
  Enumeration header = request.getHeaderNames();
  while(header.hasMoreElements()) {
    String name = header.nextElement().toString();
    String value = request.getHeader(name);
    out.println("    " + name + " = " + value + " <br>");
  }
%>
  <h3>Request Parameters:</h3>
  <p class="content">
    RemoteUser = <%= request.getRemoteUser() %> <br>
    SessionID from cookie: <%= request.isRequestedSessionIdFromCookie() %> <br>
    SessionID from URL: <%= request.isRequestedSessionIdFromURL() %> <br>
<%
  Enumeration arglist = request.getParameterNames();
  while(arglist.hasMoreElements()) {
    String name = arglist.nextElement().toString();
    String value = request.getParameter(name);
    out.println("    " + name + " = " + value + " <br>");
  }
%>

  <h3>Session Contents:</h3>
  <p class="content">
    sessionId: <%= session.getId()%> <br>
    maxInactiveInterval: <%= session.getMaxInactiveInterval() %> seconds <br>
    sessionAttributes: <br>
    <p class="list">
<%  Enumeration enum = session.getAttributeNames();
    while(enum.hasMoreElements()) {
      String attr = enum.nextElement().toString();
      String val  = session.getAttribute(attr).toString();
      out.println("      " + attr + " = " + val + " <br>");
    }
%>
  <hr>
  <form method=GET action="/endSession.jsp" class="center">
    <input type="submit" value="End Session"/>
  </form>
</div>
</body>
</html>