你错过了3件事.
Main.java
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.ContextHandler;
import org.eclipse.jetty.server.session.HashSessionIdManager;
import org.eclipse.jetty.server.session.HashSessionManager;
import org.eclipse.jetty.server.session.SessionHandler;
public class Main
{
public static void main(String[] args)
{
MyDumpHandler dump = new MyDumpHandler();
Server server = new Server(8080);
// Specify the Session ID Manager
HashSessionIdManager idmanager = new HashSessionIdManager();
server.setSessionIdManager(idmanager);
// Sessions are bound to a context.
ContextHandler context = new ContextHandler("/");
server.setHandler(context);
// Create the SessionHandler (wrapper) to handle the sessions
HashSessionManager manager = new HashSessionManager();
SessionHandler sessions = new SessionHandler(manager);
context.setHandler(sessions);
// Put dump inside of SessionHandler
sessions.setHandler(dump);
// Tree is now
// Server
// + ContextHandler("/")
// + SessionHandler(Hash)
// + MyDumpHandler
try
{
server.start();
server.join();
}
catch (Throwable t)
{
t.printStackTrace();
}
}
}
MyDumpHandler.java
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.handler.AbstractHandler;
public class MyDumpHandler extends AbstractHandler
{
public void handle(String target,HttpServletResponse response) throws IOException,ServletException
{
PrintWriter out = response.getWriter();
response.setContentType("text/plain");
try
{
HttpSession session = request.getSession();
if (session.isNew())
{
out.printf("New Session: %s%n",session.getId());
}
else
{
out.printf("Old Session: %s%n",session.getId());
}
}
catch (IllegalStateException ex)
{
out.println("Exception!" + ex);
ex.printStackTrace(out);
}
out.close();
}
}
