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//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.websocket.jsr356.server;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import javax.websocket.DeploymentException;
import javax.websocket.Endpoint;
import javax.websocket.server.ServerEndpoint;
import javax.websocket.server.ServerEndpointConfig;
import org.eclipse.jetty.webapp.WebAppContext;
import org.eclipse.jetty.websocket.common.events.EventDriverFactory;
import org.eclipse.jetty.websocket.jsr356.ClientContainer;
import org.eclipse.jetty.websocket.jsr356.JsrSessionFactory;
import org.eclipse.jetty.websocket.jsr356.annotations.AnnotatedEndpointScanner;
import org.eclipse.jetty.websocket.jsr356.endpoints.EndpointInstance;
import org.eclipse.jetty.websocket.jsr356.endpoints.JsrEndpointImpl;
import org.eclipse.jetty.websocket.jsr356.metadata.EndpointMetadata;
import org.eclipse.jetty.websocket.jsr356.server.pathmap.WebSocketPathSpec;
import org.eclipse.jetty.websocket.server.MappedWebSocketCreator;
import org.eclipse.jetty.websocket.server.WebSocketServerFactory;
import org.eclipse.jetty.websocket.servlet.WebSocketServletFactory;
public class ServerContainer extends ClientContainer implements javax.websocket.server.ServerContainer, WebSocketServerFactory.Listener
{
public static ServerContainer get(WebAppContext context)
{
return (ServerContainer)context.getAttribute(WebSocketConfiguration.JAVAX_WEBSOCKET_SERVER_CONTAINER);
}
private final MappedWebSocketCreator mappedCreator;
private WebSocketServerFactory webSocketServletFactory;
private Map<Class<?>, ServerEndpointMetadata> endpointServerMetadataCache = new ConcurrentHashMap<>();
public ServerContainer(MappedWebSocketCreator creator)
{
super();
this.mappedCreator = creator;
}
public EndpointInstance newClientEndpointInstance(Object endpoint, ServerEndpointConfig config, String path)
{
EndpointMetadata metadata = getClientEndpointMetadata(endpoint.getClass());
ServerEndpointConfig cec = config;
if (config == null)
{
if (metadata instanceof AnnotatedServerEndpointMetadata)
{
cec = ((AnnotatedServerEndpointMetadata)metadata).getConfig();
}
else
{
cec = new EmptyServerEndpointConfig(endpoint.getClass(),path);
}
}
return new EndpointInstance(endpoint,cec,metadata);
}
@Override
public void addEndpoint(Class<?> endpointClass) throws DeploymentException
{
ServerEndpointMetadata metadata = getServerEndpointMetadata(endpointClass,null);
addEndpoint(metadata);
}
public void addEndpoint(ServerEndpointMetadata metadata) throws DeploymentException
{
JsrCreator creator = new JsrCreator(metadata);
mappedCreator.addMapping(new WebSocketPathSpec(metadata.getPath()),creator);
}
@Override
public void addEndpoint(ServerEndpointConfig config) throws DeploymentException
{
ServerEndpointMetadata metadata = getServerEndpointMetadata(config.getEndpointClass(),config);
addEndpoint(metadata);
}
public ServerEndpointMetadata getServerEndpointMetadata(Class<?> endpoint, ServerEndpointConfig config) throws DeploymentException
{
synchronized (endpointServerMetadataCache)
{
ServerEndpointMetadata metadata = endpointServerMetadataCache.get(endpoint);
if (metadata != null)
{
return metadata;
}
ServerEndpoint anno = endpoint.getAnnotation(ServerEndpoint.class);
if (anno != null)
{
// Annotated takes precedence here
AnnotatedServerEndpointMetadata ametadata = new AnnotatedServerEndpointMetadata(this,endpoint);
AnnotatedEndpointScanner<ServerEndpoint,ServerEndpointConfig> scanner = new AnnotatedEndpointScanner<>(ametadata);
metadata = ametadata;
scanner.scan();
}
else if (Endpoint.class.isAssignableFrom(endpoint))
{
// extends Endpoint
@SuppressWarnings("unchecked")
Class<? extends Endpoint> eendpoint = (Class<? extends Endpoint>)endpoint;
metadata = new SimpleServerEndpointMetadata(eendpoint,config);
}
else
{
StringBuilder err = new StringBuilder();
err.append("Not a recognized websocket [");
err.append(endpoint.getName());
err.append("] does not extend @").append(ServerEndpoint.class.getName());
err.append(" or extend from ").append(Endpoint.class.getName());
throw new DeploymentException("Unable to identify as valid Endpoint: " + endpoint);
}
endpointServerMetadataCache.put(endpoint,metadata);
return metadata;
}
}
public WebSocketServletFactory getWebSocketServletFactory()
{
return webSocketServletFactory;
}
@Override
public void onWebSocketServerFactoryStarted(WebSocketServerFactory factory)
{
this.webSocketServletFactory = factory;
EventDriverFactory eventDriverFactory = this.webSocketServletFactory.getEventDriverFactory();
eventDriverFactory.addImplementation(new JsrServerEndpointImpl());
eventDriverFactory.addImplementation(new JsrEndpointImpl());
this.webSocketServletFactory.setSessionFactory(new JsrSessionFactory(this));
}
@Override
public void onWebSocketServerFactoryStopped(WebSocketServerFactory factory)
{
/* do nothing */
}
}
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