import jess.*;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HelloJess extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
Rete engine = new Rete();
engine.addOutputRouter("page", out);
try {
print("", engine);
print("", engine);
print("Hello World!", engine);
print("", engine);
print("", engine);
print("Hello World from Jess!
", engine);
print("", engine);
print("", engine);
} catch (JessException je) {
throw new ServletException(je);
}
}
private void print(String message, Rete engine) throws JessException {
engine.executeCommand("(printout page \"" + message +
"\" crlf)");
}
}