Hi Joakim Erdfelt, Thanks to your advice, I understand.
Probably, I can get through this issue since every factor seems well-defined to me by your answer. During this research, I've read your article: http://webtide.intalio.com/2012/10/jetty-9-updated-websocket-api/ Regards, Ken On Thu, Jan 16, 2014 at 5:15 AM, Joakim Erdfelt <[email protected]> wrote: > see a simple example at > > http://git.eclipse.org/c/jetty/org.eclipse.jetty.project.git/tree/jetty-websocket/websocket-client/src/test/java/examples?id=jetty-9.1.1.v20140108 > > There's no need to be mucking about with WebSocketSessionFactory, > EventDriver, or LogicalConnection. > Just keep it simple, use the socket you pass in as your communications > channel. > The Socket is configured by you to receive messages, and you use the session > (obtained during socket open) to get information about the connection. > Use the session.getRemote() to send messages. > > > -- > Joakim Erdfelt <[email protected]> > webtide.com - intalio.com/jetty > Expert advice, services and support from from the Jetty & CometD experts > eclipse.org/jetty - cometd.org > > > On Wed, Jan 15, 2014 at 12:54 PM, Ken OKABE <[email protected]> wrote: >> >> Hi, I'm new to Jerry, and trying to implement WebSocket Client on Jetty9. >> >> I saw an example on Jetty8. >> >> org.eclipse.jetty.websocket Class WebSocketClient >> >> >> http://archive.eclipse.org/jetty/8.0.0.v20110901/apidocs/org/eclipse/jetty/websocket/WebSocketClient.html >> >> to create a new instance of WebSocketClient is : >> //===================================================== >> WebSocketClientFactory factory = new WebSocketClientFactory(); >> factory.start(); >> >> WebSocketClient client = factory.newWebSocketClient(); >> // Configure the client >> >> WebSocket.Connection connection = client.open(new >> URI("ws://127.0.0.1:8080/"), new WebSocket.OnTextMessage() >> { >> public void onOpen(Connection connection) >> { >> // open notification >> } >> >> public void onClose(int closeCode, String message) >> { >> // close notification >> } >> >> public void onMessage(String data) >> { >> // handle incoming message >> } >> }).get(5, TimeUnit.SECONDS); >> >> connection.sendMessage("Hello World"); >> //=========================================================== >> >> However, I've never seen a document for Jetty9 for this. >> >> So far, referring to >> >> http://download.eclipse.org/jetty/9.1.0.v20131115/apidocs/org/eclipse/jetty/websocket/common/SessionFactory.html#createSession%28java.net.URI,%20org.eclipse.jetty.websocket.common.events.EventDriver,%20org.eclipse.jetty.websocket.common.LogicalConnection%29 >> >> //---------------------------------------------- >> WebSocketSession createSession(URI requestURI, >> EventDriver websocket, >> LogicalConnection connection) >> //---------------------------------------------- >> >> I've tried >> >> //=========================================================== >> try >> { >> WebSocketSession session = factory.createSession(uri, >> eventDriver, connection); >> RemoteEndpoint ep = session.getRemote(); >> } >> catch (Exception ex) >> { >> System.out.println("=ERROR= " + ex); >> //=ERROR= java.lang.NullPointerException >> } >> >> private EventDriver eventDriver = new EventDriver() >> { >> @Override >> public WebSocketPolicy getPolicy() >> { >> return null; >> } >> >> //...................................... >> >> @Override >> public void incomingFrame(Frame frame) >> { >> >> } >> }; >> >> private LogicalConnection connection = new LogicalConnection() >> { >> @Override >> public void close() >> { >> >> } >> >> //............................... >> >> >> @Override >> public void resume() >> { >> >> } >> }; >> //=========================================================== >> >> but I've encounter java.lang.NullPointerException >> >> How do we implement Jetty9 WebSocket Client ?? >> >> Thanks for your advise. >> >> Ken >> _______________________________________________ >> jetty-users mailing list >> [email protected] >> https://dev.eclipse.org/mailman/listinfo/jetty-users > > > > _______________________________________________ > jetty-users mailing list > [email protected] > https://dev.eclipse.org/mailman/listinfo/jetty-users > _______________________________________________ jetty-users mailing list [email protected] https://dev.eclipse.org/mailman/listinfo/jetty-users
