import java.io.*; import java.util.*; import javax.servlet.*; import javax.servlet.http.*;public class Info extends HttpServlet {
ServletConfig config; public void init(ServletConfig tconfig) throws ServletException { super.init(tconfig); config=tconfig;} public String getServletInfo() { return "Info version 1.9: a demo and diagnostic servlet from vqSoft";} private void pp(PrintWriter os, String name, String value) { os.print("<b>"+name+": </b>"); if (value==null) os.print("<b>none</b>"); else os.print(value); os.println("<br>");}
private void pp(PrintWriter os, String name, int value) { pp(os, name, String.valueOf(value));} public void dostuff(HttpServletRequest req, HttpServletResponse rep) throws ServletException, IOException { log("invoked"); rep.setContentType("text/html"); PrintWriter os=rep.getWriter(); os.println("<html>"); os.println("<head><title>Info servlet</title></head>"); os.println("<body bgcolor=#add8af>"); os.println("<table border=0 cellspacing=0 cellpadding=2 cols=3 width=100%>"); os.println("<tr><td valign=top>"); os.println("<h1 align=center>Info servlet</h1>"); os.println("<hr>"); os.println("<p>This page was generated by <i>Info</i> version 1.9, a demo and diagnostic servlet supplied with <a href=http://www/vqsoft.com/vq/server/index.html><i>vq</i>Server</a>. "); os.println("<i>Info</i> lists its initialisation parameters, information about the http request which invoked it and the http request parameters passed to it.</p>"); os.println("<hr>");
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;public class Info extends HttpServlet {
ServletConfig config; public void init(ServletConfig tconfig) throws ServletException {
super.init(tconfig);
config=tconfig;} public String getServletInfo() {
return "Info version 1.9: a demo and diagnostic servlet from vqSoft";} private void pp(PrintWriter os, String name, String value) {
os.print("<b>"+name+": </b>");
if (value==null)
os.print("<b>none</b>");
else
os.print(value);
os.println("<br>");}
private void pp(PrintWriter os, String name, int value) {
pp(os, name, String.valueOf(value));} public void dostuff(HttpServletRequest req, HttpServletResponse rep) throws ServletException, IOException {
log("invoked");
rep.setContentType("text/html");
PrintWriter os=rep.getWriter();
os.println("<html>");
os.println("<head><title>Info servlet</title></head>");
os.println("<body bgcolor=#add8af>");
os.println("<table border=0 cellspacing=0 cellpadding=2 cols=3 width=100%>");
os.println("<tr><td valign=top>");
os.println("<h1 align=center>Info servlet</h1>");
os.println("<hr>");
os.println("<p>This page was generated by <i>Info</i> version 1.9, a demo and diagnostic servlet supplied with <a href=http://www/vqsoft.com/vq/server/index.html><i>vq</i>Server</a>. ");
os.println("<i>Info</i> lists its initialisation parameters, information about the http request which invoked it and the http request parameters passed to it.</p>");
os.println("<hr>");
os.println("<h3>Servlet initialisation parameters</h3>");
Enumeration e=config.getInitParameterNames();
if (!e.hasMoreElements())
os.println("<b>None!</b>");
else while (e.hasMoreElements()) {
String name=(String) e.nextElement();
String value=config.getInitParameter(name);
pp(os, name, value);}
os.println("<hr>");
os.println("<h3>Request parameters</h3>");
pp(os, "Request method", req.getMethod());
pp(os, "Request URI", req.getRequestURI());
pp(os, "Request protocol", req.getProtocol());
pp(os, "Servlet path", req.getServletPath());
pp(os, "Path info", req.getPathInfo());
pp(os, "Path translated", req.getPathTranslated());
pp(os, "Query string", req.getQueryString());
pp(os, "Content length", req.getContentLength());
pp(os, "Content type", req.getContentType());
pp(os, "Server name", req.getServerName());
pp(os, "Server port", req.getServerPort());
pp(os, "Remote user", req.getRemoteUser());
pp(os, "Remote address", req.getRemoteAddr());
pp(os, "Remote host", req.getRemoteHost());
pp(os, "Authorization scheme", req.getAuthType());
os.println("<hr>");
os.println("<h3>Request headers</h3>");
e=req.getHeaderNames();
if (!e.hasMoreElements())
os.println("<b>None!</b>");
else while (e.hasMoreElements()) {
String name=(String) e.nextElement();
String value=(String) req.getHeader(name);
pp(os, name, value);}
os.println("<hr>");
os.println("<h3>Servlet parameters</h3>");
e=req.getParameterNames();
if (!e.hasMoreElements())
os.println("<b>None!</b>");
else while (e.hasMoreElements()) {
String name=(String) e.nextElement();
String value=req.getParameter(name);
StringBuffer tbuffer=new StringBuffer();
pp(os, name, value);}
os.println("<hr>");
os.println("<h3>Other servlets (by name)</h3>");
ServletContext tcontext=config.getServletContext();
e=tcontext.getServletNames();
if (!e.hasMoreElements())
os.println("<b>None!</b>");
else while (e.hasMoreElements()) {
os.println((String) e.nextElement()+"<br>");}
os.println("<hr>");
os.println("<h3>Other servlets</h3>");
e=tcontext.getServlets();
if (!e.hasMoreElements())
os.println("<b>None!</b>");
else while (e.hasMoreElements()) {
Servlet tservlet=(Servlet) e.nextElement();
os.println(tservlet.getServletInfo()+"<br>");}
os.println("<hr>");
os.println("<p><i>Info</i> version 1.9. <i>Info</i> and <a href=http://www/vqsoft.com/vq/server/index.html><i>vq</i>Server</a> are copyright © 1997-99 Steve Shering and <i>vq</i>Soft.");
os.println("</td>");
os.println("<td width=20></td>");
os.println("<td valign=top width=150>");
os.println("<a href=/index.html><img src=/vq/server/icons/utab.gif border=0 height=15 width=15>Home page</A>");
os.println("</td>");
os.println("</table>");
os.println("</body></html>");
os.flush();} public void doGet(HttpServletRequest req, HttpServletResponse rep) throws ServletException, IOException {
dostuff(req, rep);} public void doPost(HttpServletRequest req, HttpServletResponse rep) throws ServletException, IOException {
dostuff(req, rep);}}---------------
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