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1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
4   //  ------------------------------------------------------------------------
5   //  All rights reserved. This program and the accompanying materials
6   //  are made available under the terms of the Eclipse Public License v1.0
7   //  and Apache License v2.0 which accompanies this distribution.
8   //
9   //      The Eclipse Public License is available at
10  //      http://www.eclipse.org/legal/epl-v10.html
11  //
12  //      The Apache License v2.0 is available at
13  //      http://www.opensource.org/licenses/apache2.0.php
14  //
15  //  You may elect to redistribute this code under either of these licenses.
16  //  ========================================================================
17  //
18  
19  package org.eclipse.jetty.cdi.websocket;
20  
21  import javax.enterprise.inject.Produces;
22  import javax.enterprise.inject.spi.InjectionPoint;
23  import javax.websocket.Session;
24  
25  import org.eclipse.jetty.util.log.Log;
26  import org.eclipse.jetty.util.log.Logger;
27  
28  /**
29   * Producer of {@link javax.websocket.Session} instances
30   */
31  public class JavaWebSocketSessionProducer
32  {
33      private static final Logger LOG = Log.getLogger(JavaWebSocketSessionProducer.class);
34  
35      @Produces
36      public Session getSession(InjectionPoint injectionPoint)
37      {
38          if (LOG.isDebugEnabled())
39          {
40              LOG.debug("getSession({})",injectionPoint);
41          }
42          org.eclipse.jetty.websocket.api.Session sess = WebSocketScopeContext.current().getSession();
43          if (sess == null)
44          {
45              throw new IllegalStateException("No Session Available");
46          }
47  
48          if (sess instanceof javax.websocket.Session)
49          {
50              return (Session)sess;
51          }
52  
53          throw new IllegalStateException("Incompatible Session, expected <" + javax.websocket.Session.class.getName() + ">, but got <"
54                  + sess.getClass().getName() + "> instead");
55      }
56  }