private boolean __doConnect() { XSocketContext sock = null; try { this.m_is_success = false; XAccount account = this.__getAccount(); XEngineListener listener = this.m_engine_listener; DefaultXContext context = XContextFactory.Util.getFactory().createMutableContext(account, listener); sock = context.getSocketContext(); EngineRunner runner = new DefaultEngineRunner(context); runner.run(); } catch (Exception e) { // e.printStackTrace(); System.err.println(e); } try { sock.getInput().close(); } catch (Exception e) { } try { sock.getOutput().close(); } catch (Exception e) { } try { sock.getSocket().close(); } catch (Exception e) { } return this.m_is_success; }