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1   /*
2    * Copyright (C) 2013 4th Line GmbH, Switzerland
3    *
4    * The contents of this file are subject to the terms of either the GNU
5    * Lesser General Public License Version 2 or later ("LGPL") or the
6    * Common Development and Distribution License Version 1 or later
7    * ("CDDL") (collectively, the "License"). You may not use this file
8    * except in compliance with the License. See LICENSE.txt for more
9    * information.
10   *
11   * This program is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14   */
15  
16  package org.fourthline.cling.model.message.gena;
17  
18  import org.fourthline.cling.model.gena.RemoteGENASubscription;
19  import org.fourthline.cling.model.message.StreamRequestMessage;
20  import org.fourthline.cling.model.message.UpnpHeaders;
21  import org.fourthline.cling.model.message.UpnpRequest;
22  import org.fourthline.cling.model.message.header.CallbackHeader;
23  import org.fourthline.cling.model.message.header.NTEventHeader;
24  import org.fourthline.cling.model.message.header.TimeoutHeader;
25  import org.fourthline.cling.model.message.header.UpnpHeader;
26  
27  import java.net.URL;
28  import java.util.List;
29  
30  /**
31   * @author Christian Bauer
32   */
33  public class OutgoingSubscribeRequestMessage extends StreamRequestMessage {
34  
35      public OutgoingSubscribeRequestMessage(RemoteGENASubscription subscription,
36                                             List<URL> callbackURLs,
37                                             UpnpHeaders extraHeaders) {
38  
39          super(UpnpRequest.Method.SUBSCRIBE, subscription.getEventSubscriptionURL());
40  
41          getHeaders().add(
42                  UpnpHeader.Type.CALLBACK,
43                  new CallbackHeader(callbackURLs)
44          );
45  
46          getHeaders().add(
47                  UpnpHeader.Type.NT,
48                  new NTEventHeader()
49          );
50  
51          getHeaders().add(
52                  UpnpHeader.Type.TIMEOUT,
53                  new TimeoutHeader(subscription.getRequestedDurationSeconds())
54          );
55  
56          if (extraHeaders != null)
57              getHeaders().putAll(extraHeaders);
58      }
59  
60      public boolean hasCallbackURLs() {
61          CallbackHeader callbackHeader =
62                  getHeaders().getFirstHeader(UpnpHeader.Type.CALLBACK, CallbackHeader.class);
63          return callbackHeader.getValue().size() > 0;
64      }
65  
66  }