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.websocket.common.io;
20
21 import org.eclipse.jetty.util.Callback;
22 import org.eclipse.jetty.websocket.api.WriteCallback;
23
24 /**
25 * Wraps the exposed {@link WriteCallback} WebSocket API with a Jetty {@link Callback}.
26 * <p>
27 * We don't expose the jetty {@link Callback} object to the webapp, as that makes things complicated for the WebAppContext's Classloader.
28 */
29 public class WriteCallbackWrapper implements Callback
30 {
31 public static Callback wrap(WriteCallback callback)
32 {
33 if (callback == null)
34 {
35 return null;
36 }
37 return new WriteCallbackWrapper(callback);
38 }
39
40 private final WriteCallback callback;
41
42 public WriteCallbackWrapper(WriteCallback callback)
43 {
44 this.callback = callback;
45 }
46
47 @Override
48 public void failed(Throwable x)
49 {
50 callback.writeFailed(x);
51 }
52
53 @Override
54 public void succeeded()
55 {
56 callback.writeSuccess();
57 }
58 }