/*

 * 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.

 *

 * 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.

 */

package jdk.test.bar;

import java.lang.module.ModuleDescriptor;

import java.lang.module.ModuleDescriptor.Exports;

import java.lang.module.ModuleDescriptor.Provides;

import java.lang.module.ModuleReference;

import java.lang.module.ResolvedModule;

import java.util.Optional;

import java.util.StringJoiner;

import java.util.HashSet;

import java.util.Set;

import jdk.internal.module.ModuleHashes;

import jdk.internal.module.ModuleReferenceImpl;

import jdk.test.bar.internal.Message;

public class Bar {

    public static void main(String[] args) throws Exception {

        System.out.println("message:" + Message.get());

        ModuleDescriptor md = Bar.class.getModule().getDescriptor();

        System.out.println("nameAndVersion:" + md.toNameAndVersion());

        md.mainClass().ifPresent(mc -> System.out.println("mainClass:" + mc));

        StringJoiner sj = new StringJoiner(",");

        md.requires().stream().map(ModuleDescriptor.Requires::name).sorted().forEach(sj::add);

        System.out.println("requires:" + sj.toString());

        sj = new StringJoiner(",");

        md.exports().stream().map(ModuleDescriptor.Exports::source).sorted().forEach(sj::add);

        if (!sj.toString().equals(""))

            System.out.println("exports:" + sj.toString());

        sj = new StringJoiner(",");

        md.uses().stream().sorted().forEach(sj::add);

        if (!sj.toString().equals(""))

            System.out.println("uses:" + sj.toString());

        sj = new StringJoiner(",");

        md.provides().stream().map(Provides::service).sorted().forEach(sj::add);

        if (!sj.toString().equals(""))

            System.out.println("provides:" + sj.toString());

        sj = new StringJoiner(",");

        Set<String> concealed = new HashSet<>(md.packages());

        md.exports().stream().map(Exports::source).forEach(concealed::remove);

        concealed.forEach(sj::add);

        if (!sj.toString().equals(""))

            System.out.println("contains:" + sj.toString());

        Module foo = jdk.test.foo.Foo.class.getModule();

        Optional<ResolvedModule> om = foo.getLayer().configuration().findModule(foo.getName());

        assert om.isPresent();

        ModuleReference mref = om.get().reference();

        assert mref instanceof ModuleReferenceImpl;

        ModuleHashes hashes = ((ModuleReferenceImpl) mref).recordedHashes();

        assert hashes != null;

        System.out.println("hashes:" + hashes.hashFor("bar"));

    }

}