// Copyright 2004 Nokia Corporation.//// THIS SOURCE CODE IS PROVIDED 'AS IS', WITH NO WARRANTIES WHATSOEVER,// EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY, FITNESS// FOR ANY PARTICULAR PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE// OR TRADE PRACTICE, RELATING TO THE SOURCE CODE OR ANY WARRANTY OTHERWISE// ARISING OUT OF ANY PROPOSAL, SPECIFICATION, OR SAMPLE AND WITH NO// OBLIGATION OF NOKIA TO PROVIDE THE LICENSEE WITH ANY MAINTENANCE OR// SUPPORT. FURTHERMORE, NOKIA MAKES NO WARRANTY THAT EXERCISE OF THE// RIGHTS GRANTED HEREUNDER DOES NOT INFRINGE OR MAY NOT CAUSE INFRINGEMENT// OF ANY PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OWNED OR CONTROLLED// BY THIRD PARTIES//// Furthermore, information provided in this source code is preliminary,// and may be changed substantially prior to final release. Nokia Corporation// retains the right to make changes to this source code at// any time, without notice. This source code is provided for informational// purposes only.//// Nokia and Nokia Connecting People are registered trademarks of Nokia// Corporation.// Java and all Java-based marks are trademarks or registered trademarks of// Sun Microsystems, Inc.// Other product and company names mentioned herein may be trademarks or// trade names of their respective owners.//// A non-exclusive, non-transferable, worldwide, limited license is hereby// granted to the Licensee to download, print, reproduce and modify the// source code. The licensee has the right to market, sell, distribute and// make available the source code in original or modified form only when// incorporated into the programs developed by the Licensee. No other// license, express or implied, by estoppel or otherwise, to any other// intellectual property rights is granted herein.package example.btsppecho.server;public interface ServerConnectionHandlerListener{    // The handler's open succeeded. It can now be used for sending    // and receiving messages.    public void handleOpen(ServerConnectionHandler handler);    // The hadler's open failed. It has closed any connections or    // streams that were open. The handler should not be used anymore,    // and should be discarded.    public void handleOpenError(ServerConnectionHandler handler,                                String errorMessage);    // The handler got an inbound message.    public void handleReceivedMessage(                    ServerConnectionHandler handler,                    byte[] messageBytes);    // A message that had been previously queued for sending    // (identified by id) by the handler, has been sent successfully.    public void handleQueuedMessageWasSent(                    ServerConnectionHandler handler,                    Integer id);    // The handler has closed its connections and streams.    // The handler should not be used anymore, and should be discarded.    // Only handlers which have previously called 'handleOpen' may    // call 'handleClose', and only just once.    public void handleClose(ServerConnectionHandler handler);    // An error related to the handler occurred. The handler    // has closed the connection, and the handler should no    // longer be used.    public void handleErrorClose(ServerConnectionHandler handler,                                 String errorMessage);}