1 /*
   2  * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package jdk.test.bar;
  25 
  26 import java.lang.module.ModuleDescriptor;
  27 import java.lang.module.ModuleDescriptor.Exports;
  28 import java.lang.module.ModuleDescriptor.Provides;
  29 import java.lang.module.ModuleReference;
  30 import java.lang.module.ResolvedModule;
  31 import java.util.Optional;
  32 import java.util.StringJoiner;
  33 import java.util.HashSet;
  34 import java.util.Set;
  35 import jdk.internal.misc.SharedSecrets;
  36 import jdk.internal.misc.JavaLangModuleAccess;
  37 import jdk.internal.module.ModuleHashes;
  38 import jdk.internal.module.ModuleReferenceImpl;
  39 import jdk.test.bar.internal.Message;
  40 
  41 public class Bar {
  42     public static void main(String[] args) throws Exception {
  43         System.out.println("message:" + Message.get());
  44 
  45         ModuleDescriptor md = Bar.class.getModule().getDescriptor();
  46         System.out.println("nameAndVersion:" + md.toNameAndVersion());
  47         md.mainClass().ifPresent(mc -> System.out.println("mainClass:" + mc));
  48 
  49         StringJoiner sj = new StringJoiner(",");
  50         md.requires().stream().map(ModuleDescriptor.Requires::name).sorted().forEach(sj::add);
  51         System.out.println("requires:" + sj.toString());
  52 
  53         sj = new StringJoiner(",");
  54         md.exports().stream().map(ModuleDescriptor.Exports::source).sorted().forEach(sj::add);
  55         if (!sj.toString().equals(""))
  56             System.out.println("exports:" + sj.toString());
  57 
  58         sj = new StringJoiner(",");
  59         md.uses().stream().sorted().forEach(sj::add);
  60         if (!sj.toString().equals(""))
  61             System.out.println("uses:" + sj.toString());
  62 
  63         sj = new StringJoiner(",");
  64         md.provides().stream().map(Provides::service).sorted().forEach(sj::add);
  65         if (!sj.toString().equals(""))
  66             System.out.println("provides:" + sj.toString());
  67 
  68         sj = new StringJoiner(",");
  69         Set<String> concealed = new HashSet<>(md.packages());
  70         md.exports().stream().map(Exports::source).forEach(concealed::remove);
  71         concealed.forEach(sj::add);
  72         if (!sj.toString().equals(""))
  73             System.out.println("contains:" + sj.toString());
  74 
  75 
  76         Module foo = jdk.test.foo.Foo.class.getModule();
  77         Optional<ResolvedModule> om = foo.getLayer().configuration().findModule(foo.getName());
  78         assert om.isPresent();
  79         ModuleReference mref = om.get().reference();
  80         assert mref instanceof ModuleReferenceImpl;
  81         ModuleHashes hashes = ((ModuleReferenceImpl) mref).recordedHashes();
  82         assert hashes != null;
  83         System.out.println("hashes:" + hashes.hashFor("bar"));
  84     }
  85 }