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
|
/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
* Sun gratefully acknowledges that this software was originally authored
* and developed by Kenneth Bradley Russell and Christopher John Kline.
*/
package com.sun.opengl.impl;
import java.awt.Toolkit;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.HashSet;
public class NativeLibLoader {
public interface LoaderAction {
/**
* Loads the library specified by libname. Optionally preloads the libraries specified by
* preload. The implementation should ignore, if the preload-libraries have already been
* loaded.
* @param libname the library to load
* @param preload the libraries to load before loading the main library
* @param doPreload true, iff the preload-libraries should be loaded
* @param ignoreError true, iff errors during loading the preload-libraries should be ignored
*/
void loadLibrary(String libname, String[] preload,
boolean doPreload, boolean ignoreError);
}
private static class DefaultAction implements LoaderAction {
public void loadLibrary(String libname, String[] preload,
boolean doPreload, boolean ignoreError) {
if (doPreload) {
for (int i=0; i<preload.length; i++) {
try {
loadLibraryInternal(preload[i]);
}
catch (UnsatisfiedLinkError e) {
if (!ignoreError && e.getMessage().indexOf("already loaded") < 0) {
throw e;
}
}
}
}
loadLibraryInternal(libname);
}
}
private static final HashSet loaded = new HashSet();
private static LoaderAction loaderAction = new DefaultAction();
public static void disableLoading() {
setLoadingAction(null);
}
public static void enableLoading() {
setLoadingAction(new DefaultAction());
}
public static synchronized void setLoadingAction(LoaderAction action) {
loaderAction = action;
}
private static synchronized void loadLibrary(String libname, String[] preload,
boolean doPreload, boolean ignoreError) {
if (loaderAction != null && !loaded.contains(libname))
{
loaderAction.loadLibrary(libname, preload, doPreload, ignoreError);
loaded.add(libname);
}
}
public static void loadCore() {
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
loadLibrary("jogl", null, false, false);
return null;
}
});
}
public static void loadAWTImpl() {
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
// Make sure that awt.dll is loaded before loading jawt.dll. Otherwise
// a Dialog with "awt.dll not found" might pop up.
// See http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4481947.
Toolkit.getDefaultToolkit();
// Must pre-load JAWT on all non-Mac platforms to
// ensure references from jogl_awt shared object
// will succeed since JAWT shared object isn't in
// default library path
boolean isOSX = System.getProperty("os.name").equals("Mac OS X");
String[] preload = { "jawt" };
loadLibrary("jogl_awt", preload, !isOSX, false);
return null;
}
});
}
public static void loadCgImpl() {
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
String[] preload = { "cg", "cgGL" };
loadLibrary("jogl_cg", preload, true, true);
return null;
}
});
}
//----------------------------------------------------------------------
// Support for the new JNLPAppletLauncher
//
private static boolean usingJNLPAppletLauncher;
private static Method jnlpLoadLibraryMethod;
static {
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
String sunAppletLauncher = System.getProperty("sun.jnlp.applet.launcher");
usingJNLPAppletLauncher = Boolean.valueOf(sunAppletLauncher).booleanValue();
return null;
}
});
}
// I hate the amount of delegation currently in this class
private static void loadLibraryInternal(String libraryName) {
// Note: special-casing JAWT which is built in to the JDK
if (usingJNLPAppletLauncher && !libraryName.equals("jawt")) {
try {
if (jnlpLoadLibraryMethod == null) {
Class jnlpAppletLauncherClass = Class.forName("org.jdesktop.applet.util.JNLPAppletLauncher");
jnlpLoadLibraryMethod = jnlpAppletLauncherClass.getDeclaredMethod("loadLibrary", new Class[] { String.class });
}
jnlpLoadLibraryMethod.invoke(null, new Object[] { libraryName });
} catch (Exception e) {
Throwable t = e;
if (t instanceof InvocationTargetException) {
t = ((InvocationTargetException) t).getTargetException();
}
if (t instanceof Error)
throw (Error) t;
if (t instanceof RuntimeException) {
throw (RuntimeException) t;
}
// Throw UnsatisfiedLinkError for best compatibility with System.loadLibrary()
throw (UnsatisfiedLinkError) new UnsatisfiedLinkError().initCause(e);
}
} else {
System.loadLibrary(libraryName);
}
}
}
|
