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src/java.base/share/classes/java/lang/module/ModuleDescriptor.java

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   1 /*
   2  * Copyright (c) 2009, 2022, 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

2652      */
2653     @SuppressWarnings("unchecked")
2654     private static <T extends Object & Comparable<? super T>>
2655     int compare(Set<T> s1, Set<T> s2) {
2656         T[] a1 = (T[]) s1.toArray();
2657         T[] a2 = (T[]) s2.toArray();
2658         Arrays.sort(a1);
2659         Arrays.sort(a2);
2660         return Arrays.compare(a1, a2);
2661     }
2662 
2663     private static <E extends Enum<E>> long modsValue(Set<E> set) {
2664         long value = 0;
2665         for (Enum<E> e : set) {
2666             value += 1 << e.ordinal();
2667         }
2668         return value;
2669     }
2670 
2671     static {





2672         /**
2673          * Setup the shared secret to allow code in other packages access
2674          * private package methods in java.lang.module.
2675          */
2676         jdk.internal.access.SharedSecrets
2677             .setJavaLangModuleAccess(new jdk.internal.access.JavaLangModuleAccess() {
2678                 @Override
2679                 public Builder newModuleBuilder(String mn,
2680                                                 boolean strict,
2681                                                 Set<ModuleDescriptor.Modifier> modifiers) {
2682                     return new Builder(mn, strict, modifiers);
2683                 }
2684 
2685                 @Override
2686                 public Set<String> packages(ModuleDescriptor.Builder builder) {
2687                     return builder.packages();
2688                 }
2689 
2690                 @Override
2691                 public void requires(ModuleDescriptor.Builder builder,

   1 /*
   2  * Copyright (c) 2009, 2025, 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

2652      */
2653     @SuppressWarnings("unchecked")
2654     private static <T extends Object & Comparable<? super T>>
2655     int compare(Set<T> s1, Set<T> s2) {
2656         T[] a1 = (T[]) s1.toArray();
2657         T[] a2 = (T[]) s2.toArray();
2658         Arrays.sort(a1);
2659         Arrays.sort(a2);
2660         return Arrays.compare(a1, a2);
2661     }
2662 
2663     private static <E extends Enum<E>> long modsValue(Set<E> set) {
2664         long value = 0;
2665         for (Enum<E> e : set) {
2666             value += 1 << e.ordinal();
2667         }
2668         return value;
2669     }
2670 
2671     static {
2672         runtimeSetup();
2673     }
2674 
2675     // Called from JVM when loading an AOT cache
2676     private static void runtimeSetup() {
2677         /**
2678          * Setup the shared secret to allow code in other packages access
2679          * private package methods in java.lang.module.
2680          */
2681         jdk.internal.access.SharedSecrets
2682             .setJavaLangModuleAccess(new jdk.internal.access.JavaLangModuleAccess() {
2683                 @Override
2684                 public Builder newModuleBuilder(String mn,
2685                                                 boolean strict,
2686                                                 Set<ModuleDescriptor.Modifier> modifiers) {
2687                     return new Builder(mn, strict, modifiers);
2688                 }
2689 
2690                 @Override
2691                 public Set<String> packages(ModuleDescriptor.Builder builder) {
2692                     return builder.packages();
2693                 }
2694 
2695                 @Override
2696                 public void requires(ModuleDescriptor.Builder builder,
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