author | dholmes |
Sat, 23 Jun 2018 01:32:41 -0400 | |
changeset 50735 | 2f2af62dfac7 |
parent 47216 | 71c04702a3d5 |
child 57512 | f557f260b787 |
permissions | -rw-r--r-- |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
1 |
/* |
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
47216
diff
changeset
|
2 |
* Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved. |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
4 |
* |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
21596 | 7 |
* published by the Free Software Foundation. |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
8 |
* |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
13 |
* accompanied this code). |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
14 |
* |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
15 |
* You should have received a copy of the GNU General Public License version |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
18 |
* |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
21 |
* questions. |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
22 |
*/ |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
23 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
24 |
/* @test |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
25 |
* @summary test access checking by java.lang.invoke.MethodHandles.Lookup |
35315 | 26 |
* @compile AccessControlTest.java AccessControlTest_subpkg/Acquaintance_remote.java |
19388
188246066dbb
8022749: Convert junit tests to testng in test/java/lang/invoke
henryjen
parents:
13044
diff
changeset
|
27 |
* @run testng/othervm test.java.lang.invoke.AccessControlTest |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
28 |
*/ |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
29 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
30 |
package test.java.lang.invoke; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
31 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
32 |
import java.lang.invoke.*; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
33 |
import java.lang.reflect.*; |
36511 | 34 |
import java.lang.reflect.Modifier; |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
35 |
import java.util.*; |
19388
188246066dbb
8022749: Convert junit tests to testng in test/java/lang/invoke
henryjen
parents:
13044
diff
changeset
|
36 |
import org.testng.*; |
188246066dbb
8022749: Convert junit tests to testng in test/java/lang/invoke
henryjen
parents:
13044
diff
changeset
|
37 |
import org.testng.annotations.*; |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
38 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
39 |
import static java.lang.invoke.MethodHandles.*; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
40 |
import static java.lang.invoke.MethodHandles.Lookup.*; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
41 |
import static java.lang.invoke.MethodType.*; |
19388
188246066dbb
8022749: Convert junit tests to testng in test/java/lang/invoke
henryjen
parents:
13044
diff
changeset
|
42 |
import static org.testng.Assert.*; |
188246066dbb
8022749: Convert junit tests to testng in test/java/lang/invoke
henryjen
parents:
13044
diff
changeset
|
43 |
|
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
44 |
import test.java.lang.invoke.AccessControlTest_subpkg.Acquaintance_remote; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
45 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
46 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
47 |
/** |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
48 |
* Test many combinations of Lookup access and cross-class lookupStatic. |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
49 |
* @author jrose |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
50 |
*/ |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
51 |
public class AccessControlTest { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
52 |
static final Class<?> THIS_CLASS = AccessControlTest.class; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
53 |
// How much output? |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
54 |
static int verbosity = 0; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
55 |
static { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
56 |
String vstr = System.getProperty(THIS_CLASS.getSimpleName()+".verbosity"); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
57 |
if (vstr == null) |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
58 |
vstr = System.getProperty(THIS_CLASS.getName()+".verbosity"); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
59 |
if (vstr != null) verbosity = Integer.parseInt(vstr); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
60 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
61 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
62 |
private class LookupCase implements Comparable<LookupCase> { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
63 |
final Lookup lookup; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
64 |
final Class<?> lookupClass; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
65 |
final int lookupModes; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
66 |
public LookupCase(Lookup lookup) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
67 |
this.lookup = lookup; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
68 |
this.lookupClass = lookup.lookupClass(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
69 |
this.lookupModes = lookup.lookupModes(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
70 |
assert(lookupString().equals(lookup.toString())); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
71 |
numberOf(lookupClass().getClassLoader()); // assign CL# |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
72 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
73 |
public LookupCase(Class<?> lookupClass, int lookupModes) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
74 |
this.lookup = null; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
75 |
this.lookupClass = lookupClass; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
76 |
this.lookupModes = lookupModes; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
77 |
numberOf(lookupClass().getClassLoader()); // assign CL# |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
78 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
79 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
80 |
public final Class<?> lookupClass() { return lookupClass; } |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
81 |
public final int lookupModes() { return lookupModes; } |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
82 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
83 |
public Lookup lookup() { lookup.getClass(); return lookup; } |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
84 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
85 |
@Override |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
86 |
public int compareTo(LookupCase that) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
87 |
Class<?> c1 = this.lookupClass(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
88 |
Class<?> c2 = that.lookupClass(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
89 |
if (c1 != c2) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
90 |
int cmp = c1.getName().compareTo(c2.getName()); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
91 |
if (cmp != 0) return cmp; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
92 |
cmp = numberOf(c1.getClassLoader()) - numberOf(c2.getClassLoader()); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
93 |
assert(cmp != 0); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
94 |
return cmp; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
95 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
96 |
return -(this.lookupModes() - that.lookupModes()); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
97 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
98 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
99 |
@Override |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
100 |
public boolean equals(Object that) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
101 |
return (that instanceof LookupCase && equals((LookupCase)that)); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
102 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
103 |
public boolean equals(LookupCase that) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
104 |
return (this.lookupClass() == that.lookupClass() && |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
105 |
this.lookupModes() == that.lookupModes()); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
106 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
107 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
108 |
@Override |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
109 |
public int hashCode() { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
110 |
return lookupClass().hashCode() + (lookupModes() * 31); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
111 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
112 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
113 |
/** Simulate all assertions in the spec. for Lookup.toString. */ |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
114 |
private String lookupString() { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
115 |
String name = lookupClass.getName(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
116 |
String suffix = ""; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
117 |
if (lookupModes == 0) |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
118 |
suffix = "/noaccess"; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
119 |
else if (lookupModes == PUBLIC) |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
120 |
suffix = "/public"; |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
121 |
else if (lookupModes == (PUBLIC|UNCONDITIONAL)) |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
122 |
suffix = "/publicLookup"; |
36511 | 123 |
else if (lookupModes == (PUBLIC|MODULE)) |
124 |
suffix = "/module"; |
|
125 |
else if (lookupModes == (PUBLIC|MODULE|PACKAGE)) |
|
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
126 |
suffix = "/package"; |
36511 | 127 |
else if (lookupModes == (PUBLIC|MODULE|PACKAGE|PRIVATE)) |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
128 |
suffix = "/private"; |
36511 | 129 |
else if (lookupModes == (PUBLIC|MODULE|PACKAGE|PRIVATE|PROTECTED)) |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
130 |
suffix = ""; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
131 |
else |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
132 |
suffix = "/#"+Integer.toHexString(lookupModes); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
133 |
return name+suffix; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
134 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
135 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
136 |
/** Simulate all assertions from the spec. for Lookup.in: |
20535
cc85c8626435
8024438: JSR 292 API specification maintenance for JDK 8
jrose
parents:
19388
diff
changeset
|
137 |
* <hr> |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
138 |
* Creates a lookup on the specified new lookup class. |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
139 |
* [A1] The resulting object will report the specified |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
140 |
* class as its own {@link #lookupClass lookupClass}. |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
141 |
* <p> |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
142 |
* [A2] However, the resulting {@code Lookup} object is guaranteed |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
143 |
* to have no more access capabilities than the original. |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
144 |
* In particular, access capabilities can be lost as follows:<ul> |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
145 |
* <li> [A3] If the old lookup class is in a named module, and the new |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
146 |
* lookup class is in a different module {@code M}, then no members, not |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
147 |
* even public members in {@code M}'s exported packages, will be accessible. |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
148 |
* The exception to this is when this lookup is publicLookup, in which case |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
149 |
* public access is not lost. |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
150 |
* <li> [A4] If the old lookup class is in an unnamed module, and the new |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
151 |
* lookup class is a different module then module access is lost. |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
152 |
* <li> [A5] If the new lookup class differs from the old one then UNCONDITIONAL |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
153 |
* is lost. If the new lookup class is not within the same package member as the |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
154 |
* old one, protected members will not be accessible by virtue of inheritance. |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
155 |
* (Protected members may continue to be accessible because of package sharing.) |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
156 |
* <li> [A6] If the new lookup class is in a different package than the old one, |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
157 |
* protected and default (package) members will not be accessible. |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
158 |
* <li> [A7] If the new lookup class is not within the same package member |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
159 |
* as the old one, private members will not be accessible. |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
160 |
* <li> [A8] If the new lookup class is not accessible to the old lookup class, |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
161 |
* then no members, not even public members, will be accessible. |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
162 |
* <li> [A9] (In all other cases, public members will continue to be accessible.) |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
163 |
* </ul> |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
164 |
* Other than the above cases, the new lookup will have the same |
36511 | 165 |
* access capabilities as the original. [A10] |
20535
cc85c8626435
8024438: JSR 292 API specification maintenance for JDK 8
jrose
parents:
19388
diff
changeset
|
166 |
* <hr> |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
167 |
*/ |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
168 |
public LookupCase in(Class<?> c2) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
169 |
Class<?> c1 = lookupClass(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
170 |
int m1 = lookupModes(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
171 |
int changed = 0; |
36511 | 172 |
// for the purposes of access control then treat classes in different unnamed |
173 |
// modules as being in the same module. |
|
174 |
boolean sameModule = (c1.getModule() == c2.getModule()) || |
|
175 |
(!c1.getModule().isNamed() && !c2.getModule().isNamed()); |
|
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
176 |
boolean samePackage = (c1.getClassLoader() == c2.getClassLoader() && |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
177 |
c1.getPackageName().equals(c2.getPackageName())); |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
178 |
boolean sameTopLevel = (topLevelClass(c1) == topLevelClass(c2)); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
179 |
boolean sameClass = (c1 == c2); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
180 |
assert(samePackage || !sameTopLevel); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
181 |
assert(sameTopLevel || !sameClass); |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
182 |
boolean accessible = sameClass; |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
183 |
if ((m1 & PACKAGE) != 0) accessible |= samePackage; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
184 |
if ((m1 & PUBLIC ) != 0) accessible |= (c2.getModifiers() & PUBLIC) != 0; |
36511 | 185 |
if (!sameModule) { |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
186 |
if (c1.getModule().isNamed() && (m1 & UNCONDITIONAL) == 0) { |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
187 |
accessible = false; // [A3] |
36511 | 188 |
} else { |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
189 |
changed |= (MODULE|PACKAGE|PRIVATE|PROTECTED); // [A3] [A4] |
36511 | 190 |
} |
191 |
} |
|
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
192 |
if (!accessible) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
193 |
// Different package and no access to c2; lose all access. |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
194 |
changed |= (PUBLIC|MODULE|PACKAGE|PRIVATE|PROTECTED); // [A8] |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
195 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
196 |
if (!samePackage) { |
36511 | 197 |
// Different package; loose PACKAGE and lower access. |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
198 |
changed |= (PACKAGE|PRIVATE|PROTECTED); // [A6] |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
199 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
200 |
if (!sameTopLevel) { |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
201 |
// Different top-level class. Lose PRIVATE and PROTECTED access. |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
202 |
changed |= (PRIVATE|PROTECTED); // [A5] [A7] |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
203 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
204 |
if (!sameClass) { |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
205 |
changed |= (UNCONDITIONAL); // [A5] |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
206 |
} else { |
36511 | 207 |
assert(changed == 0); // [A10] (no deprivation if same class) |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
208 |
} |
36511 | 209 |
if (accessible) assert((changed & PUBLIC) == 0); // [A9] |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
210 |
int m2 = m1 & ~changed; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
211 |
LookupCase l2 = new LookupCase(c2, m2); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
212 |
assert(l2.lookupClass() == c2); // [A1] |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
213 |
assert((m1 | m2) == m1); // [A2] (no elevation of access) |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
214 |
return l2; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
215 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
216 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
217 |
@Override |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
218 |
public String toString() { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
219 |
String s = lookupClass().getSimpleName(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
220 |
String lstr = lookupString(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
221 |
int sl = lstr.indexOf('/'); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
222 |
if (sl >= 0) s += lstr.substring(sl); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
223 |
ClassLoader cld = lookupClass().getClassLoader(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
224 |
if (cld != THIS_LOADER) s += "/loader#"+numberOf(cld); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
225 |
return s; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
226 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
227 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
228 |
/** Predict the success or failure of accessing this method. */ |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
229 |
public boolean willAccess(Method m) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
230 |
Class<?> c1 = lookupClass(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
231 |
Class<?> c2 = m.getDeclaringClass(); |
36511 | 232 |
|
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
233 |
// publicLookup has access to all public types/members of types in unnamed modules |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
234 |
if ((lookupModes & UNCONDITIONAL) != 0 |
36511 | 235 |
&& (lookupModes & PUBLIC) != 0 |
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
236 |
&& !c2.getModule().isNamed() |
36511 | 237 |
&& Modifier.isPublic(c2.getModifiers()) |
238 |
&& Modifier.isPublic(m.getModifiers())) |
|
239 |
return true; |
|
240 |
||
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
241 |
LookupCase lc = this.in(c2); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
242 |
int m1 = lc.lookupModes(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
243 |
int m2 = fixMods(m.getModifiers()); |
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
47216
diff
changeset
|
244 |
// allow private lookup on nestmates. Otherwise, privacy is strictly enforced |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
47216
diff
changeset
|
245 |
if (c1 != c2 && ((m2 & PRIVATE) == 0 || !c1.isNestmateOf(c2))) { |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
47216
diff
changeset
|
246 |
m1 &= ~PRIVATE; |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
47216
diff
changeset
|
247 |
} |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
248 |
// protected access is sometimes allowed |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
249 |
if ((m2 & PROTECTED) != 0) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
250 |
int prev = m2; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
251 |
m2 |= PACKAGE; // it acts like a package method also |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
252 |
if ((lookupModes() & PROTECTED) != 0 && |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
253 |
c2.isAssignableFrom(c1)) |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
254 |
m2 |= PUBLIC; // from a subclass, it acts like a public method also |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
255 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
256 |
if (verbosity >= 2) |
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
47216
diff
changeset
|
257 |
System.out.format("%s willAccess %s m1=0x%h m2=0x%h => %s%n", this, lc, m1, m2, ((m2 & m1) != 0)); |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
258 |
return (m2 & m1) != 0; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
259 |
} |
33874
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
260 |
|
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
261 |
/** Predict the success or failure of accessing this class. */ |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
262 |
public boolean willAccessClass(Class<?> c2, boolean load) { |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
263 |
Class<?> c1 = lookupClass(); |
36511 | 264 |
if (load && c2.getClassLoader() != null) { |
265 |
if (c1.getClassLoader() == null) { |
|
266 |
// not visible |
|
267 |
return false; |
|
268 |
} |
|
269 |
} |
|
270 |
||
43712
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
271 |
// publicLookup has access to all public types/members of types in unnamed modules |
5dfd0950317c
8173393: Module system implementation refresh (2/2017)
alanb
parents:
36511
diff
changeset
|
272 |
if ((lookupModes & UNCONDITIONAL) != 0 |
36511 | 273 |
&& (lookupModes & PUBLIC) != 0 |
274 |
&& (!c2.getModule().isNamed()) |
|
275 |
&& Modifier.isPublic(c2.getModifiers())) |
|
276 |
return true; |
|
277 |
||
33874
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
278 |
LookupCase lc = this.in(c2); |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
279 |
int m1 = lc.lookupModes(); |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
280 |
boolean r = false; |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
281 |
if (m1 == 0) { |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
282 |
r = false; |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
283 |
} else { |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
284 |
int m2 = fixMods(c2.getModifiers()); |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
285 |
if ((m2 & PUBLIC) != 0) { |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
286 |
r = true; |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
287 |
} else if ((m1 & PACKAGE) != 0 && c1.getPackage() == c2.getPackage()) { |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
288 |
r = true; |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
289 |
} |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
290 |
} |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
291 |
if (verbosity >= 2) { |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
292 |
System.out.println(this+" willAccessClass "+lc+" c1="+c1+" c2="+c2+" => "+r); |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
293 |
} |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
294 |
return r; |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
295 |
} |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
296 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
297 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
298 |
private static Class<?> topLevelClass(Class<?> cls) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
299 |
Class<?> c = cls; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
300 |
for (Class<?> ec; (ec = c.getEnclosingClass()) != null; ) |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
301 |
c = ec; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
302 |
assert(c.getEnclosingClass() == null); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
303 |
assert(c == cls || cls.getEnclosingClass() != null); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
304 |
return c; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
305 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
306 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
307 |
private final TreeSet<LookupCase> CASES = new TreeSet<>(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
308 |
private final TreeMap<LookupCase,TreeSet<LookupCase>> CASE_EDGES = new TreeMap<>(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
309 |
private final ArrayList<ClassLoader> LOADERS = new ArrayList<>(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
310 |
private final ClassLoader THIS_LOADER = this.getClass().getClassLoader(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
311 |
{ if (THIS_LOADER != null) LOADERS.add(THIS_LOADER); } // #1 |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
312 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
313 |
private LookupCase lookupCase(String name) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
314 |
for (LookupCase lc : CASES) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
315 |
if (lc.toString().equals(name)) |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
316 |
return lc; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
317 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
318 |
throw new AssertionError(name); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
319 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
320 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
321 |
private int numberOf(ClassLoader cl) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
322 |
if (cl == null) return 0; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
323 |
int i = LOADERS.indexOf(cl); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
324 |
if (i < 0) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
325 |
i = LOADERS.size(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
326 |
LOADERS.add(cl); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
327 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
328 |
return i+1; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
329 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
330 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
331 |
private void addLookupEdge(LookupCase l1, Class<?> c2, LookupCase l2) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
332 |
TreeSet<LookupCase> edges = CASE_EDGES.get(l2); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
333 |
if (edges == null) CASE_EDGES.put(l2, edges = new TreeSet<>()); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
334 |
if (edges.add(l1)) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
335 |
Class<?> c1 = l1.lookupClass(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
336 |
assert(l2.lookupClass() == c2); // [A1] |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
337 |
int m1 = l1.lookupModes(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
338 |
int m2 = l2.lookupModes(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
339 |
assert((m1 | m2) == m1); // [A2] (no elevation of access) |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
340 |
LookupCase expect = l1.in(c2); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
341 |
if (!expect.equals(l2)) |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
342 |
System.out.println("*** expect "+l1+" => "+expect+" but got "+l2); |
36511 | 343 |
assertEquals(l2, expect); |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
344 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
345 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
346 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
347 |
private void makeCases(Lookup[] originalLookups) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
348 |
// make initial set of lookup test cases |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
349 |
CASES.clear(); LOADERS.clear(); CASE_EDGES.clear(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
350 |
ArrayList<Class<?>> classes = new ArrayList<>(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
351 |
for (Lookup l : originalLookups) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
352 |
CASES.add(new LookupCase(l)); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
353 |
classes.remove(l.lookupClass()); // no dups please |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
354 |
classes.add(l.lookupClass()); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
355 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
356 |
System.out.println("loaders = "+LOADERS); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
357 |
int rounds = 0; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
358 |
for (int lastCount = -1; lastCount != CASES.size(); ) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
359 |
lastCount = CASES.size(); // if CASES grow in the loop we go round again |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
360 |
for (LookupCase lc1 : CASES.toArray(new LookupCase[0])) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
361 |
for (Class<?> c2 : classes) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
362 |
LookupCase lc2 = new LookupCase(lc1.lookup().in(c2)); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
363 |
addLookupEdge(lc1, c2, lc2); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
364 |
CASES.add(lc2); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
365 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
366 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
367 |
rounds++; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
368 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
369 |
System.out.println("filled in "+CASES.size()+" cases from "+originalLookups.length+" original cases in "+rounds+" rounds"); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
370 |
if (false) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
371 |
System.out.println("CASES: {"); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
372 |
for (LookupCase lc : CASES) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
373 |
System.out.println(lc); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
374 |
Set<LookupCase> edges = CASE_EDGES.get(lc); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
375 |
if (edges != null) |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
376 |
for (LookupCase prev : edges) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
377 |
System.out.println("\t"+prev); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
378 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
379 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
380 |
System.out.println("}"); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
381 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
382 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
383 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
384 |
@Test public void test() { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
385 |
makeCases(lookups()); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
386 |
if (verbosity > 0) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
387 |
verbosity += 9; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
388 |
Method pro_in_self = targetMethod(THIS_CLASS, PROTECTED, methodType(void.class)); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
389 |
testOneAccess(lookupCase("AccessControlTest/public"), pro_in_self, "find"); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
390 |
testOneAccess(lookupCase("Remote_subclass/public"), pro_in_self, "find"); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
391 |
testOneAccess(lookupCase("Remote_subclass"), pro_in_self, "find"); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
392 |
verbosity -= 9; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
393 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
394 |
Set<Class<?>> targetClassesDone = new HashSet<>(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
395 |
for (LookupCase targetCase : CASES) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
396 |
Class<?> targetClass = targetCase.lookupClass(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
397 |
if (!targetClassesDone.add(targetClass)) continue; // already saw this one |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
398 |
String targetPlace = placeName(targetClass); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
399 |
if (targetPlace == null) continue; // Object, String, not a target |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
400 |
for (int targetAccess : ACCESS_CASES) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
401 |
MethodType methodType = methodType(void.class); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
402 |
Method method = targetMethod(targetClass, targetAccess, methodType); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
403 |
// Try to access target method from various contexts. |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
404 |
for (LookupCase sourceCase : CASES) { |
33874
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
405 |
testOneAccess(sourceCase, method, "findClass"); |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
406 |
testOneAccess(sourceCase, method, "accessClass"); |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
407 |
testOneAccess(sourceCase, method, "find"); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
408 |
testOneAccess(sourceCase, method, "unreflect"); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
409 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
410 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
411 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
412 |
System.out.println("tested "+testCount+" access scenarios; "+testCountFails+" accesses were denied"); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
413 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
414 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
415 |
private int testCount, testCountFails; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
416 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
417 |
private void testOneAccess(LookupCase sourceCase, Method method, String kind) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
418 |
Class<?> targetClass = method.getDeclaringClass(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
419 |
String methodName = method.getName(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
420 |
MethodType methodType = methodType(method.getReturnType(), method.getParameterTypes()); |
33874
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
421 |
boolean isFindOrAccessClass = "findClass".equals(kind) || "accessClass".equals(kind); |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
422 |
boolean willAccess = isFindOrAccessClass ? |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
423 |
sourceCase.willAccessClass(targetClass, "findClass".equals(kind)) : sourceCase.willAccess(method); |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
424 |
boolean didAccess = false; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
425 |
ReflectiveOperationException accessError = null; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
426 |
try { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
427 |
switch (kind) { |
33874
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
428 |
case "accessClass": |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
429 |
sourceCase.lookup().accessClass(targetClass); |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
430 |
break; |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
431 |
case "findClass": |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
432 |
sourceCase.lookup().findClass(targetClass.getName()); |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
433 |
break; |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
434 |
case "find": |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
435 |
if ((method.getModifiers() & Modifier.STATIC) != 0) |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
436 |
sourceCase.lookup().findStatic(targetClass, methodName, methodType); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
437 |
else |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
438 |
sourceCase.lookup().findVirtual(targetClass, methodName, methodType); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
439 |
break; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
440 |
case "unreflect": |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
441 |
sourceCase.lookup().unreflect(method); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
442 |
break; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
443 |
default: |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
444 |
throw new AssertionError(kind); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
445 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
446 |
didAccess = true; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
447 |
} catch (ReflectiveOperationException ex) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
448 |
accessError = ex; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
449 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
450 |
if (willAccess != didAccess) { |
33874
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
451 |
System.out.println(sourceCase+" => "+targetClass.getSimpleName()+(isFindOrAccessClass?"":"."+methodName+methodType)); |
46651fd30c0b
8139885: implement JEP 274: enhanced method handles
mhaupt
parents:
32649
diff
changeset
|
452 |
System.out.println("fail "+(isFindOrAccessClass?kind:"on "+method)+" ex="+accessError); |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
453 |
assertEquals(willAccess, didAccess); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
454 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
455 |
testCount++; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
456 |
if (!didAccess) testCountFails++; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
457 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
458 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
459 |
static Method targetMethod(Class<?> targetClass, int targetAccess, MethodType methodType) { |
36511 | 460 |
assert targetAccess != MODULE; |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
461 |
String methodName = accessName(targetAccess)+placeName(targetClass); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
462 |
if (verbosity >= 2) |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
463 |
System.out.println(targetClass.getSimpleName()+"."+methodName+methodType); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
464 |
try { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
465 |
Method method = targetClass.getDeclaredMethod(methodName, methodType.parameterArray()); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
466 |
assertEquals(method.getReturnType(), methodType.returnType()); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
467 |
int haveMods = method.getModifiers(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
468 |
assert(Modifier.isStatic(haveMods)); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
469 |
assert(targetAccess == fixMods(haveMods)); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
470 |
return method; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
471 |
} catch (NoSuchMethodException ex) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
472 |
throw new AssertionError(methodName, ex); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
473 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
474 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
475 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
476 |
static String placeName(Class<?> cls) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
477 |
// return "self", "sibling", "nestmate", etc. |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
478 |
if (cls == AccessControlTest.class) return "self"; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
479 |
String cln = cls.getSimpleName(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
480 |
int under = cln.lastIndexOf('_'); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
481 |
if (under < 0) return null; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
482 |
return cln.substring(under+1); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
483 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
484 |
static String accessName(int acc) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
485 |
switch (acc) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
486 |
case PUBLIC: return "pub_in_"; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
487 |
case PROTECTED: return "pro_in_"; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
488 |
case PACKAGE: return "pkg_in_"; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
489 |
case PRIVATE: return "pri_in_"; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
490 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
491 |
assert(false); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
492 |
return "?"; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
493 |
} |
36511 | 494 |
// MODULE not a test case at this time |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
495 |
private static final int[] ACCESS_CASES = { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
496 |
PUBLIC, PACKAGE, PRIVATE, PROTECTED |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
497 |
}; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
498 |
/** Return one of the ACCESS_CASES. */ |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
499 |
static int fixMods(int mods) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
500 |
mods &= (PUBLIC|PRIVATE|PROTECTED); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
501 |
switch (mods) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
502 |
case PUBLIC: case PRIVATE: case PROTECTED: return mods; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
503 |
case 0: return PACKAGE; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
504 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
505 |
throw new AssertionError(mods); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
506 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
507 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
508 |
static Lookup[] lookups() { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
509 |
ArrayList<Lookup> tem = new ArrayList<>(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
510 |
Collections.addAll(tem, |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
511 |
AccessControlTest.lookup_in_self(), |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
512 |
Inner_nestmate.lookup_in_nestmate(), |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
513 |
AccessControlTest_sibling.lookup_in_sibling()); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
514 |
if (true) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
515 |
Collections.addAll(tem,Acquaintance_remote.lookups()); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
516 |
} else { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
517 |
try { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
518 |
Class<?> remc = Class.forName("test.java.lang.invoke.AccessControlTest_subpkg.Acquaintance_remote"); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
519 |
Lookup[] remls = (Lookup[]) remc.getMethod("lookups").invoke(null); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
520 |
Collections.addAll(tem, remls); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
521 |
} catch (ReflectiveOperationException ex) { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
522 |
throw new LinkageError("reflection failed", ex); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
523 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
524 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
525 |
tem.add(publicLookup()); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
526 |
tem.add(publicLookup().in(String.class)); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
527 |
tem.add(publicLookup().in(List.class)); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
528 |
return tem.toArray(new Lookup[0]); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
529 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
530 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
531 |
static Lookup lookup_in_self() { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
532 |
return MethodHandles.lookup(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
533 |
} |
32649
2ee9017c7597
8136583: Core libraries should use blessed modifier order
martin
parents:
23010
diff
changeset
|
534 |
public static void pub_in_self() { } |
2ee9017c7597
8136583: Core libraries should use blessed modifier order
martin
parents:
23010
diff
changeset
|
535 |
protected static void pro_in_self() { } |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
536 |
static /*package*/ void pkg_in_self() { } |
32649
2ee9017c7597
8136583: Core libraries should use blessed modifier order
martin
parents:
23010
diff
changeset
|
537 |
private static void pri_in_self() { } |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
538 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
539 |
static class Inner_nestmate { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
540 |
static Lookup lookup_in_nestmate() { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
541 |
return MethodHandles.lookup(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
542 |
} |
32649
2ee9017c7597
8136583: Core libraries should use blessed modifier order
martin
parents:
23010
diff
changeset
|
543 |
public static void pub_in_nestmate() { } |
2ee9017c7597
8136583: Core libraries should use blessed modifier order
martin
parents:
23010
diff
changeset
|
544 |
protected static void pro_in_nestmate() { } |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
545 |
static /*package*/ void pkg_in_nestmate() { } |
32649
2ee9017c7597
8136583: Core libraries should use blessed modifier order
martin
parents:
23010
diff
changeset
|
546 |
private static void pri_in_nestmate() { } |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
547 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
548 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
549 |
class AccessControlTest_sibling { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
550 |
static Lookup lookup_in_sibling() { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
551 |
return MethodHandles.lookup(); |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
552 |
} |
32649
2ee9017c7597
8136583: Core libraries should use blessed modifier order
martin
parents:
23010
diff
changeset
|
553 |
public static void pub_in_sibling() { } |
2ee9017c7597
8136583: Core libraries should use blessed modifier order
martin
parents:
23010
diff
changeset
|
554 |
protected static void pro_in_sibling() { } |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
555 |
static /*package*/ void pkg_in_sibling() { } |
32649
2ee9017c7597
8136583: Core libraries should use blessed modifier order
martin
parents:
23010
diff
changeset
|
556 |
private static void pri_in_sibling() { } |
13044
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
557 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
558 |
|
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
559 |
// This guy tests access from outside the package: |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
560 |
/* |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
561 |
package test.java.lang.invoke.AccessControlTest_subpkg; |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
562 |
public class Acquaintance_remote { |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
563 |
public static Lookup[] lookups() { ... |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
564 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
565 |
... |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
566 |
} |
8411854afc2b
7165628: Issues with java.lang.invoke.MethodHandles.Lookup
jrose
parents:
diff
changeset
|
567 |
*/ |