forked from graalvm/mx
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathListModules.java
More file actions
92 lines (87 loc) · 3.86 KB
/
ListModules.java
File metadata and controls
92 lines (87 loc) · 3.86 KB
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
/*
* Copyright (c) 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.
*/
import java.lang.module.ModuleDescriptor;
import java.lang.module.ModuleReference;
import java.lang.module.ModuleFinder;
import java.io.PrintStream;
import java.lang.reflect.Method;
import java.util.stream.Collectors;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.HashSet;
import jdk.internal.module.ModuleBootstrap;
/**
* Utility for listing the info for all the modules in the Java runtime image.
* This uses the same underlying module finding mechanism as {@code java --list-modules}.
*/
public class ListModules {
/**
* @returns {@code true} if {@code substrings} is empty or if {@code name} contains any of the
* entries in {@code substrings}.
*/
private static boolean matches(String name, String[] substrings) {
if (substrings.length == 0) {
return true;
}
for (String s : substrings) {
if (name.contains(s)) {
return true;
}
}
return false;
}
public static void main(String[] args) throws Throwable {
PrintStream out = System.out;
Set<ModuleDescriptor> bootModules = ModuleLayer.boot().modules().stream().map(m -> m.getDescriptor()).collect(Collectors.toSet());
for (ModuleReference moduleRef : ModuleBootstrap.unlimitedFinder().findAll()) {
ModuleDescriptor md = moduleRef.descriptor();
if (!matches(md.name(), args)) {
continue;
}
out.println(md.name());
out.println(" boot " + bootModules.contains(md));
for (ModuleDescriptor.Requires dependency : md.requires()) {
String modifiers = dependency.modifiers().isEmpty() ? "" : dependency.modifiers().stream().map(e -> e.toString().toLowerCase()).collect(Collectors.joining(" ")) + " ";
out.println(" requires " + modifiers + dependency.name());
}
for (String use : md.uses()) {
out.println(" uses " + use);
}
for (ModuleDescriptor.Exports export : md.exports()) {
String targets = export.targets().isEmpty() ? "" : " to " + export.targets().stream().map(Object::toString).collect(Collectors.joining(" "));
out.println(" exports " + export.source() + targets);
}
for (String pkg : md.packages()) {
out.println(" package " + pkg);
}
for (ModuleDescriptor.Provides provides : md.provides()) {
for (String provider : provides.providers()) {
out.println(" provides " + provides.service() + " with " + provider);
}
}
}
}
}