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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package jdk.internal.module;
26
27 import java.lang.module.ModuleDescriptor;
28 import java.lang.module.ModuleDescriptor.Exports;
29 import java.lang.module.ModuleDescriptor.Opens;
30 import java.lang.module.ModuleDescriptor.Provides;
31 import java.lang.module.ModuleDescriptor.Requires;
32 import java.lang.module.ModuleDescriptor.Version;
33 import java.util.Collections;
34 import java.util.List;
35 import java.util.Set;
36
37 import jdk.internal.misc.JavaLangModuleAccess;
38 import jdk.internal.misc.SharedSecrets;
39
40 /**
41 * This builder is optimized for reconstituting the {@code ModuleDescriptor}s
42 * for system modules. The validation should be done at jlink time.
43 *
44 * 1. skip name validation
45 * 2. ignores dependency hashes.
46 * 3. ModuleDescriptor skips the defensive copy and directly uses the
47 * sets/maps created in this Builder.
48 *
49 * SystemModules should contain modules for the boot layer.
50 */
51 final class Builder {
52 private static final JavaLangModuleAccess JLMA =
53 SharedSecrets.getJavaLangModuleAccess();
54
55 // Static cache of the most recently seen Version to cheaply deduplicate
56 // most Version objects. JDK modules have the same version.
57 static Version cachedVersion;
58
|
1 /*
2 * Copyright (c) 2015, 2018, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package jdk.internal.module;
26
27 import java.lang.module.ModuleDescriptor;
28 import java.lang.module.ModuleDescriptor.Exports;
29 import java.lang.module.ModuleDescriptor.Opens;
30 import java.lang.module.ModuleDescriptor.Provides;
31 import java.lang.module.ModuleDescriptor.Requires;
32 import java.lang.module.ModuleDescriptor.Version;
33 import java.util.Collections;
34 import java.util.List;
35 import java.util.Set;
36
37 import jdk.internal.access.JavaLangModuleAccess;
38 import jdk.internal.access.SharedSecrets;
39
40 /**
41 * This builder is optimized for reconstituting the {@code ModuleDescriptor}s
42 * for system modules. The validation should be done at jlink time.
43 *
44 * 1. skip name validation
45 * 2. ignores dependency hashes.
46 * 3. ModuleDescriptor skips the defensive copy and directly uses the
47 * sets/maps created in this Builder.
48 *
49 * SystemModules should contain modules for the boot layer.
50 */
51 final class Builder {
52 private static final JavaLangModuleAccess JLMA =
53 SharedSecrets.getJavaLangModuleAccess();
54
55 // Static cache of the most recently seen Version to cheaply deduplicate
56 // most Version objects. JDK modules have the same version.
57 static Version cachedVersion;
58
|