JSP implicit objects printer

copy paste the below and include it using <%@ include file="jspPrinter.jsp" %>

<%@ page
errorPage="ErrorPage.jsp"
import="java.io.*"
import="java.util.*"
%>

<%
Enumeration enames;
Map map;
String title;

// Print the request headers

map = new TreeMap();
enames = request.getHeaderNames();
while (enames.hasMoreElements()) {
String name = (String) enames.nextElement();
String value = request.getHeader(name);
map.put(name, value);
}
out.println(createTable(map, "Request Headers"));

// Print the session attributes

map = new TreeMap();
enames = session.getAttributeNames();
while (enames.hasMoreElements()) {
String name = (String) enames.nextElement();
String value = "" + session.getAttribute(name);
map.put(name, value);
}
out.println(createTable(map, "Session Attributes"));

map = new TreeMap();
enames = request.getAttributeNames();
while (enames.hasMoreElements()) {
String name = (String) enames.nextElement();
String value = "" + session.getAttribute(name);
map.put(name, value);
}
out.println(createTable(map, "Request Attributes"));

%>



<%-- Define a method to create an HTML table --%>

<%!
private static String createTable(Map map, String title)
{
StringBuffer sb = new StringBuffer();

// Generate the header lines

sb.append("");
sb.append("");
sb.append("");
sb.append("");

// Generate the table rows

Iterator imap = map.entrySet().iterator();
while (imap.hasNext()) {
Map.Entry entry = (Map.Entry) imap.next();
String key = (String) entry.getKey();
String value = (String) entry.getValue();
sb.append("");
sb.append("");
sb.append("");
sb.append("");
}

// Generate the footer lines

sb.append("

"); sb.append(title); sb.append("
"); sb.append(key); sb.append("	"); sb.append(value); sb.append("

");

// Return the generated HTML

return sb.toString();
}
%>