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/**
==============================================================
Projekt: Java Servlet
File:
HelloAkadia.java
Beschreibung: This servlet simply echos back the request line
and headers that were sent by the client, plus
any HTTPS information which is accessible.
================================================================
*/
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HelloAkadia extends HttpServlet {
public void doGet (HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
PrintWriter out;
res.setContentType("text/html");
out = res.getWriter ();
out.println("<head>");
out.println("<link rel=\"stylesheet\"
href=\"https://www.akadia.com/docroot/css/website.css\" type=\"text/css\">");
out.println("<title>Hello Akadia</title>");
out.println("</head>");
out.println("<body bgcolor=\"#FFFFFF\" text=\"#000000\">");
out.println("<h1>Welcome on Akadia's
Site<BR></h1>");
out.println("<h2>Apache JServ is working
!<BR></h2>");
out.println("<body>");
out.println("<h2>Requested URL:</h2>");
out.println("<pre>");
out.println (HttpUtils.getRequestURL (req).toString ());
out.println("</pre>");
Enumeration enum = getServletConfig().getInitParameterNames();
if (enum != null) {
boolean first = true;
while (enum.hasMoreElements()) {
if (first) {
out.println("<h2>Init
Parameters</h2>");
out.println("<pre>");
first = false;
}
String param = (String) enum.nextElement();
out.println(" "+param+":
"+getInitParameter(param));
}
out.println("</pre>");
}
out.println("<h2>Request information from Akadia's
Site:</h2>");
out.println("<pre>");
print(out, "Request method", req.getMethod());
print(out, "Request URI", req.getRequestURI());
print(out, "Request protocol", req.getProtocol());
print(out, "Servlet path", req.getServletPath());
print(out, "Path info", req.getPathInfo());
print(out, "Path translated", req.getPathTranslated());
print(out, "Query string", req.getQueryString());
print(out, "Content length", req.getContentLength());
print(out, "Content type", req.getContentType());
print(out, "Server name", req.getServerName());
print(out, "Server port", req.getServerPort());
print(out, "Remote user", req.getRemoteUser());
print(out, "Remote address", req.getRemoteAddr());
print(out, "Remote host", req.getRemoteHost());
print(out, "Authorization scheme", req.getAuthType());
out.println("</pre>");
Enumeration e = req.getHeaderNames();
if (e.hasMoreElements()) {
out.println("<h2>Request headers:</h2>");
out.println("<pre>");
while (e.hasMoreElements()) {
String name = (String)e.nextElement();
out.println(" " + name + ": " +
req.getHeader(name));
}
out.println("</pre>");
}
e = req.getParameterNames();
if (e.hasMoreElements()) {
out.println("<h2>Servlet parameters (Single Value
style):</h2>");
out.println("<pre>");
while (e.hasMoreElements()) {
String name = (String)e.nextElement();
out.println(" " + name + " = " +
req.getParameter(name));
}
out.println("</pre>");
}
e = req.getParameterNames();
if (e.hasMoreElements()) {
out.println("<h2>Servlet parameters (Multiple Value
style):</h2>");
out.println("<pre>");
while (e.hasMoreElements()) {
String name = (String)e.nextElement();
String vals[] = (String [])
req.getParameterValues(name);
if (vals != null) {
out.print("<b> " + name + " =
</b>");
out.println(vals[0]);
for (int i = 1; i<vals.length;
i++)
out.println(" " + vals[i]);
}
out.println("<p>");
}
out.println("</pre>");
}
out.println("<hr>");
out.println("<pre>");
out.println("<P><a
href=\"/jsp/WEB-INF/classes/HelloAkadia.txt\">Show Java Servlet
Source</a></P>");
out.println("</pre>");
out.println("</body>");
out.println("</html>");
}
private void print (PrintWriter out, String name, String value) {
out.print(" " + name + ": ");
out.println(value == null ? "<none>" : value);
}
private void print (PrintWriter out, String name, int value) {
out.print(" " + name + ": ");
if (value == -1) {
out.println("<none>");
} else {
out.println(value);
}
}
}
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