Examples with ImmediateInstanceHandle io.undertow.servlet.util.ImmediateInstanceHandle used on opensource projects

Example 1 with ImmediateInstanceHandle

use of io.undertow.servlet.util.ImmediateInstanceHandle in project undertow by undertow-io.

the class EndpointSessionHandler method onConnect.

@Override
public void onConnect(WebSocketHttpExchange exchange, WebSocketChannel channel) {
    ConfiguredServerEndpoint config = HandshakeUtil.getConfig(channel);
    try {
        if (container.isClosed()) {
            //if the underlying container is closed we just reject
            channel.sendClose();
            channel.resumeReceives();
            return;
        }
        InstanceFactory<?> endpointFactory = config.getEndpointFactory();
        ServerEndpointConfig.Configurator configurator = config.getEndpointConfiguration().getConfigurator();
        final InstanceHandle<?> instance;
        DefaultContainerConfigurator.setCurrentInstanceFactory(endpointFactory);
        final Object instanceFromConfigurator = configurator.getEndpointInstance(config.getEndpointConfiguration().getEndpointClass());
        final InstanceHandle<?> factoryInstance = DefaultContainerConfigurator.clearCurrentInstanceFactory();
        if (factoryInstance == null) {
            instance = new ImmediateInstanceHandle<>(instanceFromConfigurator);
        } else if (factoryInstance.getInstance() == instanceFromConfigurator) {
            instance = factoryInstance;
        } else {
            //the default instance has been wrapped
            instance = new InstanceHandle<Object>() {

                @Override
                public Object getInstance() {
                    return instanceFromConfigurator;
                }

                @Override
                public void release() {
                    factoryInstance.release();
                }
            };
        }
        ServletRequestContext src = exchange.getAttachment(ServletRequestContext.ATTACHMENT_KEY);
        Principal principal = exchange.getAttachment(HandshakeUtil.PRINCIPAL);
        if (principal == null) {
            if (src.getServletRequest() instanceof HttpServletRequest) {
                principal = ((HttpServletRequest) src.getServletRequest()).getUserPrincipal();
            } else {
                principal = src.getOriginalRequest().getUserPrincipal();
            }
        }
        final InstanceHandle<Endpoint> endpointInstance;
        if (config.getAnnotatedEndpointFactory() != null) {
            final AnnotatedEndpoint annotated = config.getAnnotatedEndpointFactory().createInstance(instance);
            endpointInstance = new InstanceHandle<Endpoint>() {

                @Override
                public Endpoint getInstance() {
                    return annotated;
                }

                @Override
                public void release() {
                    instance.release();
                }
            };
        } else {
            endpointInstance = (InstanceHandle<Endpoint>) instance;
        }
        UndertowSession session = new UndertowSession(channel, URI.create(exchange.getRequestURI()), exchange.getAttachment(HandshakeUtil.PATH_PARAMS), exchange.getRequestParameters(), this, principal, endpointInstance, config.getEndpointConfiguration(), exchange.getQueryString(), config.getEncodingFactory().createEncoding(config.getEndpointConfiguration()), config, channel.getSubProtocol(), Collections.<Extension>emptyList(), null);
        config.addOpenSession(session);
        session.setMaxBinaryMessageBufferSize(getContainer().getDefaultMaxBinaryMessageBufferSize());
        session.setMaxTextMessageBufferSize(getContainer().getDefaultMaxTextMessageBufferSize());
        session.setMaxIdleTimeout(getContainer().getDefaultMaxSessionIdleTimeout());
        session.getAsyncRemote().setSendTimeout(getContainer().getDefaultAsyncSendTimeout());
        try {
            endpointInstance.getInstance().onOpen(session, config.getEndpointConfiguration());
        } catch (Exception e) {
            endpointInstance.getInstance().onError(session, e);
            IoUtils.safeClose(session);
        }
        channel.resumeReceives();
    } catch (Exception e) {
        JsrWebSocketLogger.REQUEST_LOGGER.endpointCreationFailed(e);
        IoUtils.safeClose(channel);
    }
}