import java.servlet.*;
import java.io.*;
import java.util.*;
import java.servlet.http.*;
import java.lang.*;
import java.lang.Thread.*;
public
class Ubiq extends GenericServlet {
String Version = "2.4";
//Password is an attempt to prevent other classes
//from accessing the data inside the User Data I/O class
private String systemPassword = "KJaslkjdKDDShLBUasdf2837skdj";
BDUserData sysusers = new BDUserData();
Loop loop = new Loop();
//////////////////////////////
public void service(ServletRequest req, ServletResponse res)
throws ServletException, IOException
{
res.setContentType("text/html");
PrintStream out = new PrintStream(res.getOutputStream());
String systemcall = req.getURLLine();
runCall(systemcall, out);
}
//////////////////////////////
//each call is basically the parameter to the servlet from
//the URL. Example: http://www.server.com/scm/kill
//calls the stopService function
public void runCall(String call, PrintStream out) {
if (call == "scm/kill")
stopService(out);
else if (call == "scm/load")
loadUsers(out);
else if (call == "scm/save")
saveUsers(out);
else if (call == "scm/stop")
stopLoop(out);
else if (call == "scm/start")
startLoop(out);
else if (call == "user/load")
loadUser(out);
else if (call == "user/new")
newUser(out);
else
default(out);
}
//////////////////////////////
public void stopService(PrintStream out) {
destroy();
}
//////////////////////////////
public void loadUsers(PrintStream out) {
sysusers.initialize(systemPassword);
}
//////////////////////////////
public void saveUsers(PrintStream out) {
sysusers.saveData(systemPassword);
}
//////////////////////////////
public void stopLoop(PrintStream out) {
loop.stopMotion();
loop.stop();
}
//////////////////////////////
public void loadUser(PrintStream out) {
request_password(); // not implemented here
printform(); // not implemented here
}
//////////////////////////////
public void newUser(PrintStream out) {
printformnewuser(); // not implemented here
addUser(); // not implemented here
}
//////////////////////////////
public void default(PrintStream out) {
writeHeader(out);
startLoop(out);
writeData(out);
write Footer(out);
}
//////////////////////////////
public void writeDate(PrintStream out) {
Date today = new Date();
out.println("Ubiquitous E-mailer is running
");
out.println("Run at " + today.toLocaleString() + "
");
}
//////////////////////////////
public void startLoop(PrintStream out) {
try {
loop.start();
loop.setUserData(sysusers);
}
catch (IllegalThreadStateException e) {
out.println("The mailer is already running.
");
}
}
//////////////////////////////
public void writeHeader(PrintStream out) {
out.println("");
out.println("\n BigDave's Ubiquitous Pager Servlet\n\n");
out.println("\n\n
");
}
//////////////////////////////
public void writeFooter(PrintStream out) {
out.println("
");
out.println("Return to pager page");
out.println("\n");
}
//////////////////////////////
public String getServletInfo() {
return ("Ubiquitous Pager ver " + Version +" copyright (c) 1997 BigDave");
}
//////////////////////////////
public void destroy() {
sysusers = null;
loop.stopMotion();
loop.stop();
loop = null;
}
}