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import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class WebAppProperties extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException,
IOException {
resp.setContentType("text/html");
PrintWriter out = resp.getWriter();
ServletContext context = getServletContext();
String displayName = context.getServletContextName();
if (displayName == null) {
displayName = "(no display-name element defined)";
}
out.println("<html>");
out.println("<head>");
out.println("<title>Web Application Properties");
out.println("</title>");
out.println("</head><body>");
out.println("<h1>Web Application Properties</h2>");
out.println("<br>Name: " + displayName);
out.println("<br>Context: " + req.getContextPath());
out.println("<h2><center>");
out.println("Initialization Parameters</center></h2>");
out.println("<br>");
out.println("<center><table border width=80%>");
Enumeration e = context.getInitParameterNames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
out.println("<tr>");
out.println("<td>" + name + "</td>");
out.println("<td>" + context.getInitParameter(name) + "</td>");
out.println("</tr>");
}
out.println("</table></center>");
out.println("</body>");
out.println("</html>");
out.flush();
}
}
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