1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
//
// ========================================================================
// 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.io.IOException;
import java.util.List;
import javax.websocket.server.ServerEndpointConfig;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.websocket.jsr356.endpoints.EndpointInstance;
import org.eclipse.jetty.websocket.jsr356.server.pathmap.WebSocketPathSpec;
import org.eclipse.jetty.websocket.server.pathmap.PathSpec;
import org.eclipse.jetty.websocket.servlet.ServletUpgradeRequest;
import org.eclipse.jetty.websocket.servlet.ServletUpgradeResponse;
import org.eclipse.jetty.websocket.servlet.WebSocketCreator;
public class JsrCreator implements WebSocketCreator
{
private static final Logger LOG = Log.getLogger(JsrCreator.class);
private final ServerEndpointMetadata metadata;
public JsrCreator(ServerEndpointMetadata metadata)
{
this.metadata = metadata;
}
@Override
public Object createWebSocket(ServletUpgradeRequest req, ServletUpgradeResponse resp)
{
JsrHandshakeRequest hsreq = new JsrHandshakeRequest(req);
JsrHandshakeResponse hsresp = new JsrHandshakeResponse(resp);
ServerEndpointConfig config = metadata.getConfig();
ServerEndpointConfig.Configurator configurator = config.getConfigurator();
// modify handshake
configurator.modifyHandshake(config,hsreq,hsresp);
// check origin
if (!configurator.checkOrigin(req.getOrigin()))
{
try
{
resp.sendForbidden("Origin mismatch");
}
catch (IOException e)
{
LOG.debug("Unable to send error response",e);
}
return null;
}
// deal with sub protocols
List<String> supported = config.getSubprotocols();
List<String> requested = req.getSubProtocols();
String subprotocol = configurator.getNegotiatedSubprotocol(supported,requested);
if (subprotocol != null)
{
resp.setAcceptedSubProtocol(subprotocol);
}
// create endpoint class
try
{
Class<?> endpointClass = config.getEndpointClass();
Object endpoint = config.getConfigurator().getEndpointInstance(endpointClass);
PathSpec pathSpec = hsreq.getRequestPathSpec();
if (pathSpec instanceof WebSocketPathSpec)
{
// We have a PathParam path spec
WebSocketPathSpec wspathSpec = (WebSocketPathSpec)pathSpec;
String requestPath = req.getRequestPath();
// Wrap the config with the path spec information
config = new PathParamServerEndpointConfig(config,wspathSpec,requestPath);
}
return new EndpointInstance(endpoint,config,metadata);
}
catch (InstantiationException e)
{
LOG.debug("Unable to create websocket: " + config.getEndpointClass().getName(),e);
return null;
}
}
@Override
public String toString()
{
return String.format("%s[metadata=%s]",this.getClass().getName(),metadata);
}
}
|
