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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/*
* Copyright 2000-2013 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.tests.integration;
import javax.servlet.http.HttpServletRequest;
import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.nio.SelectChannelConnector;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.eclipse.jetty.servlets.ProxyServlet;
import com.vaadin.annotations.PreserveOnRefresh;
import com.vaadin.server.ExternalResource;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinServletService;
import com.vaadin.tests.components.AbstractTestUI;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Link;
import com.vaadin.ui.VerticalLayout;
@PreserveOnRefresh
public class ProxyTest extends AbstractTestUI {
private Server server;
private final Button startButton = new Button("Start proxy",
new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
startProxy();
stopButton.setEnabled(true);
}
});
private final Button stopButton = new Button("Stop proxy",
new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
stopProxy();
startButton.setEnabled(true);
}
});
private VerticalLayout linkHolder = new VerticalLayout();
@Override
protected void setup(VaadinRequest request) {
stopButton.setDisableOnClick(true);
stopButton.setEnabled(false);
startButton.setDisableOnClick(true);
addDetachListener(new DetachListener() {
@Override
public void detach(DetachEvent event) {
if (server != null && server.isRunning()) {
try {
server.stop();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
});
addComponent(startButton);
addComponent(stopButton);
addComponent(linkHolder);
}
private void startProxy() {
HttpServletRequest request = VaadinServletService
.getCurrentServletRequest();
// Set up a server
server = new Server();
SelectChannelConnector connector = new SelectChannelConnector();
// Uses random available port by default, uncomment this to make local
// testing easier (you can just reload old tab after restarting proxy)
// connector.setPort(8889);
server.setConnectors(new Connector[] { connector });
// Create root context and add the ProxyServlet.Transparent to it
ServletContextHandler contextHandler = new ServletContextHandler();
server.setHandler(contextHandler);
contextHandler.setContextPath("/");
ServletHolder servletHolder = contextHandler.addServlet(
ProxyServlet.Transparent.class, "/*");
// Configure servlet to forward to the root of the original server
servletHolder.setInitParameter(
"ProxyTo",
"http://" + request.getLocalAddr() + ":"
+ request.getLocalPort() + "/");
// Configure servlet to strip beginning of paths
servletHolder.setInitParameter("Prefix", "/proxypath/");
// Start the server
try {
server.start();
} catch (Exception e) {
throw new RuntimeException(e);
}
// Add links to some proxied urls to tests
String linkBase = "http://" + request.getLocalName() + ":"
+ connector.getLocalPort() + "/proxypath/";
linkHolder.removeAllComponents();
linkHolder.addComponent(new Link("Open embed1 in proxy",
new ExternalResource(linkBase + "embed1")));
linkHolder.addComponent(new Link("Open embed1/ in proxy",
new ExternalResource(linkBase + "embed1/")));
linkHolder.addComponent(new Link("Open Buttons in proxy",
new ExternalResource(linkBase
+ "run/com.vaadin.tests.components.button.Buttons")));
}
private void stopProxy() {
linkHolder.removeAllComponents();
try {
server.stop();
} catch (Exception e) {
throw new RuntimeException(e);
}
server.destroy();
server = null;
}
@Override
protected String getTestDescription() {
return "Test UI for starting an embedded Jetty on a different port that proxies requests back to the original server using a different path.";
}
@Override
protected Integer getTicketNumber() {
return Integer.valueOf(6771);
}
}
|
