2
|
1 |
/*
|
5506
|
2 |
* Copyright (c) 1995, 2005, Oracle and/or its affiliates. All rights reserved.
|
2
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
4 |
*
|
|
5 |
* This code is free software; you can redistribute it and/or modify it
|
|
6 |
* under the terms of the GNU General Public License version 2 only, as
|
5506
|
7 |
* published by the Free Software Foundation. Oracle designates this
|
2
|
8 |
* particular file as subject to the "Classpath" exception as provided
|
5506
|
9 |
* by Oracle in the LICENSE file that accompanied this code.
|
2
|
10 |
*
|
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that
|
|
15 |
* accompanied this code).
|
|
16 |
*
|
|
17 |
* You should have received a copy of the GNU General Public License version
|
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
20 |
*
|
5506
|
21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
22 |
* or visit www.oracle.com if you need additional information or have any
|
|
23 |
* questions.
|
2
|
24 |
*/
|
|
25 |
|
|
26 |
package sun.applet;
|
|
27 |
|
|
28 |
import java.util.*;
|
|
29 |
import java.io.*;
|
|
30 |
import java.net.URL;
|
|
31 |
import java.net.MalformedURLException;
|
|
32 |
import java.awt.*;
|
|
33 |
import java.applet.*;
|
|
34 |
|
|
35 |
|
|
36 |
/**
|
|
37 |
* Sample applet panel class. The panel manages and manipulates the
|
|
38 |
* applet as it is being loaded. It forks a seperate thread in a new
|
|
39 |
* thread group to call the applet's init(), start(), stop(), and
|
|
40 |
* destroy() methods.
|
|
41 |
*
|
|
42 |
* @author Arthur van Hoff
|
|
43 |
*/
|
|
44 |
class AppletViewerPanel extends AppletPanel {
|
|
45 |
|
|
46 |
/* Are we debugging? */
|
|
47 |
static boolean debug = false;
|
|
48 |
|
|
49 |
/**
|
|
50 |
* The document url.
|
|
51 |
*/
|
|
52 |
URL documentURL;
|
|
53 |
|
|
54 |
/**
|
|
55 |
* The base url.
|
|
56 |
*/
|
|
57 |
URL baseURL;
|
|
58 |
|
|
59 |
/**
|
|
60 |
* The attributes of the applet.
|
|
61 |
*/
|
|
62 |
Hashtable atts;
|
|
63 |
|
|
64 |
/*
|
|
65 |
* JDK 1.1 serialVersionUID
|
|
66 |
*/
|
|
67 |
private static final long serialVersionUID = 8890989370785545619L;
|
|
68 |
|
|
69 |
/**
|
|
70 |
* Construct an applet viewer and start the applet.
|
|
71 |
*/
|
|
72 |
AppletViewerPanel(URL documentURL, Hashtable atts) {
|
|
73 |
this.documentURL = documentURL;
|
|
74 |
this.atts = atts;
|
|
75 |
|
|
76 |
String att = getParameter("codebase");
|
|
77 |
if (att != null) {
|
|
78 |
if (!att.endsWith("/")) {
|
|
79 |
att += "/";
|
|
80 |
}
|
|
81 |
try {
|
|
82 |
baseURL = new URL(documentURL, att);
|
|
83 |
} catch (MalformedURLException e) {
|
|
84 |
}
|
|
85 |
}
|
|
86 |
if (baseURL == null) {
|
|
87 |
String file = documentURL.getFile();
|
|
88 |
int i = file.lastIndexOf('/');
|
|
89 |
if (i >= 0 && i < file.length() - 1) {
|
|
90 |
try {
|
|
91 |
baseURL = new URL(documentURL, file.substring(0, i + 1));
|
|
92 |
} catch (MalformedURLException e) {
|
|
93 |
}
|
|
94 |
}
|
|
95 |
}
|
|
96 |
|
|
97 |
// when all is said & done, baseURL shouldn't be null
|
|
98 |
if (baseURL == null)
|
|
99 |
baseURL = documentURL;
|
|
100 |
|
|
101 |
|
|
102 |
}
|
|
103 |
|
|
104 |
/**
|
|
105 |
* Get an applet parameter.
|
|
106 |
*/
|
|
107 |
public String getParameter(String name) {
|
|
108 |
return (String)atts.get(name.toLowerCase());
|
|
109 |
}
|
|
110 |
|
|
111 |
/**
|
|
112 |
* Get the document url.
|
|
113 |
*/
|
|
114 |
public URL getDocumentBase() {
|
|
115 |
return documentURL;
|
|
116 |
|
|
117 |
}
|
|
118 |
|
|
119 |
/**
|
|
120 |
* Get the base url.
|
|
121 |
*/
|
|
122 |
public URL getCodeBase() {
|
|
123 |
return baseURL;
|
|
124 |
}
|
|
125 |
|
|
126 |
/**
|
|
127 |
* Get the width.
|
|
128 |
*/
|
|
129 |
public int getWidth() {
|
|
130 |
String w = getParameter("width");
|
|
131 |
if (w != null) {
|
|
132 |
return Integer.valueOf(w).intValue();
|
|
133 |
}
|
|
134 |
return 0;
|
|
135 |
}
|
|
136 |
|
|
137 |
|
|
138 |
/**
|
|
139 |
* Get the height.
|
|
140 |
*/
|
|
141 |
public int getHeight() {
|
|
142 |
String h = getParameter("height");
|
|
143 |
if (h != null) {
|
|
144 |
return Integer.valueOf(h).intValue();
|
|
145 |
}
|
|
146 |
return 0;
|
|
147 |
}
|
|
148 |
|
|
149 |
/**
|
|
150 |
* Get initial_focus
|
|
151 |
*/
|
|
152 |
public boolean hasInitialFocus()
|
|
153 |
{
|
|
154 |
|
|
155 |
// 6234219: Do not set initial focus on an applet
|
|
156 |
// during startup if applet is targeted for
|
|
157 |
// JDK 1.1/1.2. [stanley.ho]
|
|
158 |
if (isJDK11Applet() || isJDK12Applet())
|
|
159 |
return false;
|
|
160 |
|
|
161 |
String initialFocus = getParameter("initial_focus");
|
|
162 |
|
|
163 |
if (initialFocus != null)
|
|
164 |
{
|
|
165 |
if (initialFocus.toLowerCase().equals("false"))
|
|
166 |
return false;
|
|
167 |
}
|
|
168 |
|
|
169 |
return true;
|
|
170 |
}
|
|
171 |
|
|
172 |
/**
|
|
173 |
* Get the code parameter
|
|
174 |
*/
|
|
175 |
public String getCode() {
|
|
176 |
return getParameter("code");
|
|
177 |
}
|
|
178 |
|
|
179 |
|
|
180 |
/**
|
|
181 |
* Return the list of jar files if specified.
|
|
182 |
* Otherwise return null.
|
|
183 |
*/
|
|
184 |
public String getJarFiles() {
|
|
185 |
return getParameter("archive");
|
|
186 |
}
|
|
187 |
|
|
188 |
/**
|
|
189 |
* Return the value of the object param
|
|
190 |
*/
|
|
191 |
public String getSerializedObject() {
|
|
192 |
return getParameter("object");// another name?
|
|
193 |
}
|
|
194 |
|
|
195 |
|
|
196 |
/**
|
|
197 |
* Get the applet context. For now this is
|
|
198 |
* also implemented by the AppletPanel class.
|
|
199 |
*/
|
|
200 |
public AppletContext getAppletContext() {
|
|
201 |
return (AppletContext)getParent();
|
|
202 |
}
|
|
203 |
|
|
204 |
static void debug(String s) {
|
|
205 |
if(debug)
|
|
206 |
System.err.println("AppletViewerPanel:::" + s);
|
|
207 |
}
|
|
208 |
|
|
209 |
static void debug(String s, Throwable t) {
|
|
210 |
if(debug) {
|
|
211 |
t.printStackTrace();
|
|
212 |
debug(s);
|
|
213 |
}
|
|
214 |
}
|
|
215 |
}
|