|
44520
|
1 |
/*
|
|
|
2 |
* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
|
|
|
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
|
|
|
7 |
* published by the Free Software Foundation.
|
|
|
8 |
*
|
|
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that
|
|
|
13 |
* accompanied this code).
|
|
|
14 |
*
|
|
|
15 |
* You should have received a copy of the GNU General Public License version
|
|
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
18 |
*
|
|
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
|
20 |
* or visit www.oracle.com if you need additional information or have any
|
|
|
21 |
* questions.
|
|
|
22 |
*/
|
|
|
23 |
|
|
|
24 |
package java.lang;
|
|
|
25 |
|
|
|
26 |
import java.lang.module.ModuleDescriptor;
|
|
|
27 |
|
|
|
28 |
/**
|
|
|
29 |
* A helper class intended to be injected into java.lang using the
|
|
|
30 |
* java --patch-module option. The helper class provides access to package private
|
|
|
31 |
* methods in java.lang.Module.
|
|
|
32 |
*/
|
|
|
33 |
|
|
|
34 |
public final class ModuleHelper {
|
|
|
35 |
|
|
|
36 |
private ModuleHelper() { }
|
|
|
37 |
|
|
|
38 |
/**
|
|
|
39 |
* Creates a named module but without defining the module to the VM.
|
|
|
40 |
*/
|
|
|
41 |
public static Module newModule(ClassLoader loader, ModuleDescriptor descriptor) {
|
|
|
42 |
return new Module(loader, descriptor);
|
|
|
43 |
}
|
|
|
44 |
|
|
|
45 |
/**
|
|
|
46 |
* Updates module {@code from} to that it reads module {@code to} without
|
|
|
47 |
* notifying the VM.
|
|
|
48 |
*/
|
|
|
49 |
public static void addReadsNoSync(Module from, Module to) {
|
|
|
50 |
from.implAddReadsNoSync(to);
|
|
|
51 |
}
|
|
|
52 |
|
|
|
53 |
/**
|
|
|
54 |
* Updates module {@code from} so that it exports package {@code pkg}
|
|
|
55 |
* to module {@code to} but without notifying the VM. If {@code to} is
|
|
|
56 |
* {@code null} then the package is exported unconditionally.
|
|
|
57 |
*/
|
|
|
58 |
public static void addExportsNoSync(Module from, String pkg, Module to) {
|
|
|
59 |
if (to == null) {
|
|
|
60 |
from.implAddExportsNoSync(pkg);
|
|
|
61 |
} else {
|
|
|
62 |
from.implAddExportsNoSync(pkg, to);
|
|
|
63 |
}
|
|
|
64 |
}
|
|
|
65 |
|
|
|
66 |
}
|