io.undertow.websockets.jsr.EndpointSessionHandler Maven / Gradle / Ivy
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* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.undertow.websockets.jsr;
import io.undertow.servlet.api.InstanceFactory;
import io.undertow.servlet.api.InstanceHandle;
import io.undertow.servlet.handlers.ServletRequestContext;
import io.undertow.servlet.util.ImmediateInstanceHandle;
import io.undertow.websockets.WebSocketConnectionCallback;
import io.undertow.websockets.core.WebSocketChannel;
import io.undertow.websockets.jsr.annotated.AnnotatedEndpoint;
import io.undertow.websockets.jsr.handshake.HandshakeUtil;
import io.undertow.websockets.spi.WebSocketHttpExchange;
import org.xnio.IoUtils;
import javax.servlet.http.HttpServletRequest;
import javax.websocket.Endpoint;
import javax.websocket.Extension;
import javax.websocket.server.ServerEndpointConfig;
import java.net.URI;
import java.security.Principal;
import java.util.Collections;
/**
* {@link WebSocketConnectionCallback} implementation which will setuo the {@link UndertowSession} and notify
* the {@link Endpoint} about the new session.
*
* @author Norman Maurer
*/
public final class EndpointSessionHandler implements WebSocketConnectionCallback {
private final ServerWebSocketContainer container;
public EndpointSessionHandler(ServerWebSocketContainer container) {
this.container = container;
}
/**
* Returns the {@link ServerWebSocketContainer} which was used for this {@link WebSocketConnectionCallback}.
*/
ServerWebSocketContainer getContainer() {
return container;
}
@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