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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
// Copyright (C) 2001 Jon A. Maxwell (JAM)
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
package net.sourceforge.jnlp.services;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import javax.jnlp.BasicService;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import net.sourceforge.jnlp.InformationDesc;
import net.sourceforge.jnlp.JARDesc;
import net.sourceforge.jnlp.JNLPFile;
import net.sourceforge.jnlp.Launcher;
import net.sourceforge.jnlp.runtime.ApplicationInstance;
import net.sourceforge.jnlp.runtime.DeploymentConfiguration;
import net.sourceforge.jnlp.runtime.JNLPRuntime;
import net.sourceforge.jnlp.util.PropertiesFile;
/**
* The BasicService JNLP service.
*
* @author <a href="mailto:jmaxwell@users.sourceforge.net">Jon A. Maxwell (JAM)</a> - initial author
* @version $Revision: 1.10 $
*/
class XBasicService implements BasicService {
/** command used to exec the native browser */
private String command = null;
/** whether the command was loaded / prompted for */
private boolean initialized = false;
protected XBasicService() {
}
/**
* Returns the codebase of the application, applet, or
* installer. If the codebase was not specified in the JNLP
* element then the main JAR's location is returned. If no main
* JAR was specified then the location of the JAR containing the
* main class is returned.
*/
public URL getCodeBase() {
ApplicationInstance app = JNLPRuntime.getApplication();
if (app != null) {
JNLPFile file = app.getJNLPFile();
// return the codebase.
if (file.getCodeBase() != null)
return file.getCodeBase();
// else return the main JAR's URL.
JARDesc mainJar = file.getResources().getMainJAR();
if (mainJar != null)
return mainJar.getLocation();
// else find JAR where main class was defined.
//
// JNLPFile file = app.getJNLPFile();
// String mainClass = file.getLaunchInfo().getMainClass()+".class";
// URL jarUrl = app.getClassLoader().getResource(mainClass);
// go through list of JARDesc to find one matching jarUrl
}
return null;
}
/**
* Return true if the Environment is Offline
*/
public boolean isOffline() {
URL url = findFirstURLFromJNLPFile();
try {
url.openConnection().getInputStream().close();
return false;
} catch (IOException exception) {
return true;
}
}
/**
* Return the first URL from the jnlp file
* Or a default URL if no url found in JNLP file
*/
private URL findFirstURLFromJNLPFile() {
ApplicationInstance app = JNLPRuntime.getApplication();
if (app != null) {
JNLPFile jnlpFile = app.getJNLPFile();
URL sourceURL = jnlpFile.getSourceLocation();
if (sourceURL != null) {
return sourceURL;
}
URL codeBaseURL = jnlpFile.getCodeBase();
if (codeBaseURL != null) {
return codeBaseURL;
}
InformationDesc informationDesc = jnlpFile.getInformation();
URL homePage = informationDesc.getHomepage();
if (homePage != null) {
return homePage;
}
JARDesc[] jarDescs = jnlpFile.getResources().getJARs();
for (JARDesc jarDesc : jarDescs) {
return jarDesc.getLocation();
}
}
// this section is only reached if the jnlp file has no jars.
// that doesnt seem very likely.
URL arbitraryURL;
try {
arbitraryURL = new URL("http://icedtea.classpath.org");
} catch (MalformedURLException malformedURL) {
throw new RuntimeException(malformedURL);
}
return arbitraryURL;
}
/**
* Return true if a Web Browser is Supported
*/
public boolean isWebBrowserSupported() {
initialize();
return command != null;
}
/**
* Show a document.
*
* @return whether the document was opened
*/
public boolean showDocument(URL url) {
initialize();
if (url.toString().endsWith(".jnlp")) {
try {
new Launcher().launchExternal(url);
return true;
} catch (Exception ex) {
return false;
}
}
if (command != null) {
try {
// this is bogus because the command may require options;
// should use a StreamTokenizer or similar to get tokens
// outside of quotes.
Runtime.getRuntime().exec(command + " " + url.toString());
//Runtime.getRuntime().exec(new String[]{command,url.toString()});
return true;
} catch (IOException ex) {
if (JNLPRuntime.isDebug())
ex.printStackTrace();
}
}
return false;
}
private void initialize() {
if (initialized)
return;
initialized = true;
if (isWindows()) {
command = "rundll32 url.dll,FileProtocolHandler ";
} else {
DeploymentConfiguration config = JNLPRuntime.getConfiguration();
command = config.getProperty(DeploymentConfiguration.KEY_BROWSER_PATH);
if (command == null) { // prompt & store
command = promptForCommand(null);
if (command != null) {
config.setProperty(DeploymentConfiguration.KEY_BROWSER_PATH, command);
try {
config.save();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
private boolean isWindows() {
String os = System.getProperty("os.name");
if (os != null && os.startsWith("Windows"))
return true;
else
return false;
}
private String promptForCommand(String cmd) {
return JOptionPane.showInputDialog(new JPanel(),
"Browser Location:",
"Specify Browser Location",
JOptionPane.PLAIN_MESSAGE
);
}
}
|
