/*

 * 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

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/*

 * @test

 * @bug 8156568

 * @summary Update javac to support compiling against a modular multi-release JAR

 * @library /tools/lib

 * @modules jdk.compiler/com.sun.tools.javac.api

 *          jdk.compiler/com.sun.tools.javac.main

 * @build toolbox.ToolBox toolbox.JarTask toolbox.JavacTask

 * @run main MutliReleaseModuleInfoTest

 */

import java.nio.file.Paths;

import java.util.Set;

import javax.annotation.processing.AbstractProcessor;

import javax.annotation.processing.RoundEnvironment;

import javax.annotation.processing.SupportedAnnotationTypes;

import javax.lang.model.SourceVersion;

import javax.lang.model.element.ModuleElement;

import javax.lang.model.element.ModuleElement.RequiresDirective;

import javax.lang.model.element.TypeElement;

import javax.lang.model.util.ElementFilter;

import toolbox.JarTask;

import toolbox.JavacTask;

import toolbox.Task;

import toolbox.ToolBox;

public class MutliReleaseModuleInfoTest {

    private final String service_mi =

            "module service {\n" +

            "}\n";

    private final String service =

            "package service;\n" +

            "public class Service {\n" +

            "}\n";

    private final String service_mi9 =

            "module service {\n" +

            "    requires java.desktop;\n" +

            "}\n";

    private final String service9 =

            "package service;\n" +

            "public class Service {\n" +

            "}\n";

    private final String client_mi =

            "module client {\n" +

            "    requires service;\n" +

            "}\n";

    private final String manifest =

        "Manifest-Version: 1.0\n" +

        "Multi-Release: true\n";

    private final ToolBox tb = new ToolBox();

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

        new MutliReleaseModuleInfoTest().runTest();

    }

    private void runTest() throws Exception {

        tb.createDirectories("classes", "classes/META-INF/versions/9");

        new JavacTask(tb)

                .outdir("classes")

                .sources(service_mi, service)

                .run();

        new JavacTask(tb)

                .outdir("classes/META-INF/versions/9")

                .sources(service_mi9, service9)

                .run();

        new JarTask(tb, "multi-release.jar")

                .manifest(manifest)

                .baseDir("classes")

                .files("module-info.class", "service/Service.class",

                       "META-INF/versions/9/module-info.class",

                       "META-INF/versions/9/service/Service.class")

                .run();

        tb.cleanDirectory(Paths.get("classes"));

        tb.writeFile("module-info.java", client_mi);

        Task.Result result = new JavacTask(tb)

                .outdir("classes")

                .options("-processor", VerifyRequires.class.getName(),

                               "--module-path", "multi-release.jar")

                .files("module-info.java")

                .run();

        result.writeAll();

        tb.deleteFiles("module-info.java");

        tb.deleteFiles(

                "multi-release.jar",

                "classes/module-info.class",

                "classes"

        );

    }

    @SupportedAnnotationTypes("*")

    public static final class VerifyRequires extends AbstractProcessor {

        @Override

        public boolean process(Set<? extends TypeElement> u, RoundEnvironment r) {

            ModuleElement sm = processingEnv.getElementUtils().getModuleElement("service");

            if (sm == null) {

                throw new AssertionError("Cannot find the service module!");

            }

            boolean foundjd = false;

            for (RequiresDirective rd : ElementFilter.requiresIn(sm.getDirectives())) {

            }

            if (!foundjd) {

                throw new AssertionError("Missing dependency on java desktop module!");

            }

            return false;

        }

        @Override

        public SourceVersion getSupportedSourceVersion() {

            return SourceVersion.latest();

        }

    }

}