1 //
2 // ========================================================================
3 // Copyright (c) 1995-2013 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.api;
20
21 import org.eclipse.jetty.websocket.api.io.WebSocketBlockingConnection;
22
23 /**
24 * Default implementation of the {@link WebSocketListener}.
25 * <p>
26 * Convenient abstract class to base standard WebSocket implementations off of.
27 */
28 public class WebSocketAdapter implements WebSocketListener
29 {
30 private WebSocketConnection connection;
31 private WebSocketBlockingConnection blocking;
32
33 public WebSocketBlockingConnection getBlockingConnection()
34 {
35 return blocking;
36 }
37
38 public WebSocketConnection getConnection()
39 {
40 return connection;
41 }
42
43 public boolean isConnected()
44 {
45 return (connection != null) && (connection.isOpen());
46 }
47
48 public boolean isNotConnected()
49 {
50 return (connection == null) || (!connection.isOpen());
51 }
52
53 @Override
54 public void onWebSocketBinary(byte[] payload, int offset, int len)
55 {
56 /* do nothing */
57 }
58
59 @Override
60 public void onWebSocketClose(int statusCode, String reason)
61 {
62 this.connection = null;
63 }
64
65 @Override
66 public void onWebSocketConnect(WebSocketConnection connection)
67 {
68 this.connection = connection;
69 this.blocking = new WebSocketBlockingConnection(this.connection);
70 }
71
72 @Override
73 public void onWebSocketException(WebSocketException error)
74 {
75 /* do nothing */
76 }
77
78 @Override
79 public void onWebSocketText(String message)
80 {
81 /* do nothing */
82 }
83 }