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
|
/*
* Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.misc;
/** A repository of "shared secrets", which are a mechanism for
calling implementation-private methods in another package without
using reflection. A package-private class implements a public
interface and provides the ability to call package-private methods
within that package; the object implementing that interface is
provided through a third package to which access is restricted.
This framework avoids the primary disadvantage of using reflection
for this purpose, namely the loss of compile-time checking. */
public class SharedSecrets {
// BEGIN Android-removed: Pruned unused access interfaces.
/*
private static final Unsafe unsafe = Unsafe.getUnsafe();
private static JavaUtilJarAccess javaUtilJarAccess;
private static JavaLangAccess javaLangAccess;
private static JavaLangRefAccess javaLangRefAccess;
private static JavaIOAccess javaIOAccess;
private static JavaNetAccess javaNetAccess;
private static JavaNetHttpCookieAccess javaNetHttpCookieAccess;
private static JavaNioAccess javaNioAccess;
*/
// END Android-removed: Pruned unused access interfaces.
private static JavaIOFileDescriptorAccess javaIOFileDescriptorAccess;
// BEGIN Android-removed: Pruned unused access interfaces.
/*
private static JavaSecurityProtectionDomainAccess javaSecurityProtectionDomainAccess;
private static JavaSecurityAccess javaSecurityAccess;
private static JavaUtilZipFileAccess javaUtilZipFileAccess;
private static JavaAWTAccess javaAWTAccess;
private static JavaOISAccess javaOISAccess;
private static JavaObjectInputStreamAccess javaObjectInputStreamAccess;
public static JavaUtilJarAccess javaUtilJarAccess() {
if (javaUtilJarAccess == null) {
// Ensure JarFile is initialized; we know that that class
// provides the shared secret
unsafe.ensureClassInitialized(JarFile.class);
}
return javaUtilJarAccess;
}
public static void setJavaUtilJarAccess(JavaUtilJarAccess access) {
javaUtilJarAccess = access;
}
public static void setJavaLangAccess(JavaLangAccess jla) {
javaLangAccess = jla;
}
public static JavaLangAccess getJavaLangAccess() {
return javaLangAccess;
}
public static void setJavaLangRefAccess(JavaLangRefAccess jlra) {
javaLangRefAccess = jlra;
}
public static JavaLangRefAccess getJavaLangRefAccess() {
return javaLangRefAccess;
}
public static void setJavaNetAccess(JavaNetAccess jna) {
javaNetAccess = jna;
}
public static JavaNetAccess getJavaNetAccess() {
return javaNetAccess;
}
public static void setJavaNetHttpCookieAccess(JavaNetHttpCookieAccess a) {
javaNetHttpCookieAccess = a;
}
public static JavaNetHttpCookieAccess getJavaNetHttpCookieAccess() {
if (javaNetHttpCookieAccess == null)
unsafe.ensureClassInitialized(java.net.HttpCookie.class);
return javaNetHttpCookieAccess;
}
public static void setJavaNioAccess(JavaNioAccess jna) {
javaNioAccess = jna;
}
public static JavaNioAccess getJavaNioAccess() {
if (javaNioAccess == null) {
// Ensure java.nio.ByteOrder is initialized; we know that
// this class initializes java.nio.Bits that provides the
// shared secret.
unsafe.ensureClassInitialized(java.nio.ByteOrder.class);
}
return javaNioAccess;
}
public static void setJavaIOAccess(JavaIOAccess jia) {
javaIOAccess = jia;
}
public static JavaIOAccess getJavaIOAccess() {
if (javaIOAccess == null) {
unsafe.ensureClassInitialized(Console.class);
}
return javaIOAccess;
}
*/
// END Android-removed: Pruned unused access interfaces.
public static void setJavaIOFileDescriptorAccess(JavaIOFileDescriptorAccess jiofda) {
javaIOFileDescriptorAccess = jiofda;
}
public static JavaIOFileDescriptorAccess getJavaIOFileDescriptorAccess() {
// Android-changed: ensureClassInitialized isn't supported in Android. Use Class.forName.
// if (javaIOFileDescriptorAccess == null)
// unsafe.ensureClassInitialized(FileDescriptor.class);
if (javaIOFileDescriptorAccess == null) {
try {
Class.forName("java.io.FileDescriptor");
} catch (ClassNotFoundException e) {
// Throw if FileDescriptor class is not found. Something wrong in runtime / libcore.
throw new RuntimeException(e);
}
}
return javaIOFileDescriptorAccess;
}
// BEGIN Android-removed: Pruned unused access interfaces.
/*
public static void setJavaOISAccess(JavaOISAccess access) {
javaOISAccess = access;
}
public static JavaOISAccess getJavaOISAccess() {
if (javaOISAccess == null)
unsafe.ensureClassInitialized(ObjectInputStream.class);
return javaOISAccess;
}
public static void setJavaSecurityProtectionDomainAccess
(JavaSecurityProtectionDomainAccess jspda) {
javaSecurityProtectionDomainAccess = jspda;
}
public static JavaSecurityProtectionDomainAccess
getJavaSecurityProtectionDomainAccess() {
if (javaSecurityProtectionDomainAccess == null)
unsafe.ensureClassInitialized(ProtectionDomain.class);
return javaSecurityProtectionDomainAccess;
}
public static void setJavaSecurityAccess(JavaSecurityAccess jsa) {
javaSecurityAccess = jsa;
}
public static JavaSecurityAccess getJavaSecurityAccess() {
if (javaSecurityAccess == null) {
unsafe.ensureClassInitialized(AccessController.class);
}
return javaSecurityAccess;
}
public static JavaUtilZipFileAccess getJavaUtilZipFileAccess() {
if (javaUtilZipFileAccess == null)
unsafe.ensureClassInitialized(java.util.zip.ZipFile.class);
return javaUtilZipFileAccess;
}
public static void setJavaUtilZipFileAccess(JavaUtilZipFileAccess access) {
javaUtilZipFileAccess = access;
}
public static void setJavaAWTAccess(JavaAWTAccess jaa) {
javaAWTAccess = jaa;
}
public static JavaAWTAccess getJavaAWTAccess() {
// this may return null in which case calling code needs to
// provision for.
if (javaAWTAccess == null) {
return null;
}
return javaAWTAccess;
}
public static JavaObjectInputStreamAccess getJavaObjectInputStreamAccess() {
if (javaObjectInputStreamAccess == null) {
unsafe.ensureClassInitialized(ObjectInputStream.class);
}
return javaObjectInputStreamAccess;
}
public static void setJavaObjectInputStreamAccess(JavaObjectInputStreamAccess access) {
javaObjectInputStreamAccess = access;
}
*/
// END Android-removed: Pruned unused access interfaces.
}
|
