blob: 7cdff288d4eb59a18f527ff86b862bf879903895 (
plain)
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
|
/*
* Copyright 2011 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.server;
import java.io.InputStream;
import java.net.URL;
import javax.servlet.ServletContext;
import com.vaadin.ui.UI;
/**
* Application manager processes changes and paints for single application
* instance.
*
* This class handles applications running as servlets.
*
* @see AbstractCommunicationManager
*
* @author Vaadin Ltd.
* @since 5.0
*/
@SuppressWarnings("serial")
public class CommunicationManager extends AbstractCommunicationManager {
/**
* @deprecated use {@link #CommunicationManager(VaadinSession)} instead
* @param application
* @param applicationServlet
*/
@Deprecated
public CommunicationManager(VaadinSession application,
VaadinServlet applicationServlet) {
super(application);
}
/**
* TODO New constructor - document me!
*
* @param application
*/
public CommunicationManager(VaadinSession application) {
super(application);
}
@Override
protected BootstrapHandler createBootstrapHandler() {
return new BootstrapHandler() {
@Override
protected String getApplicationId(BootstrapContext context) {
String appUrl = getAppUri(context);
String appId = appUrl;
if ("".equals(appUrl)) {
appId = "ROOT";
}
appId = appId.replaceAll("[^a-zA-Z0-9]", "");
// Add hashCode to the end, so that it is still (sort of)
// predictable, but indicates that it should not be used in CSS
// and
// such:
int hashCode = appId.hashCode();
if (hashCode < 0) {
hashCode = -hashCode;
}
appId = appId + "-" + hashCode;
return appId;
}
@Override
protected String getAppUri(BootstrapContext context) {
/* Fetch relative url to application */
// don't use server and port in uri. It may cause problems with
// some
// virtual server configurations which lose the server name
VaadinSession session = context.getVaadinSession();
URL url = session.getURL();
String appUrl = url.getPath();
if (appUrl.endsWith("/")) {
appUrl = appUrl.substring(0, appUrl.length() - 1);
}
return appUrl;
}
@Override
public String getThemeName(BootstrapContext context) {
String themeName = context.getRequest().getParameter(
VaadinServlet.URL_PARAMETER_THEME);
if (themeName == null) {
themeName = super.getThemeName(context);
}
return themeName;
}
};
}
@Override
protected InputStream getThemeResourceAsStream(UI uI, String themeName,
String resource) {
VaadinServletSession session = (VaadinServletSession) uI.getSession();
ServletContext servletContext = session.getHttpSession()
.getServletContext();
return servletContext.getResourceAsStream("/"
+ VaadinServlet.THEME_DIRECTORY_PATH + themeName + "/"
+ resource);
}
}
|
