/*

 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.

 * 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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 * questions.

 */

/*

 * @test

 * @bug 8147414

 * @summary java.nio.file.ClosedFileSystemException in javadoc

 * @library /tools/lib

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

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

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

 * @run main FileSystemClosedTest

 */

import java.io.IOException;

import java.io.PrintWriter;

import java.nio.file.ClosedFileSystemException;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.Arrays;

import java.util.List;

import javax.lang.model.element.PackageElement;

import javax.lang.model.element.TypeElement;

import javax.lang.model.util.Elements;

import javax.tools.JavaCompiler;

import javax.tools.JavaFileObject;

import javax.tools.StandardJavaFileManager;

import javax.tools.ToolProvider;

import toolbox.ToolBox;

import toolbox.JarTask;

import toolbox.JavacTask;

public class FileSystemClosedTest {

    public static void main(String... args) throws Exception {

        new FileSystemClosedTest().run();

    }

    void run() throws Exception {

        ToolBox tb = new ToolBox();

        Path jar = createJar(tb);

        Path src = Paths.get("src");

        tb.writeJavaFiles(src, "class C { p1.C1 c1; }");

        JavaCompiler comp = ToolProvider.getSystemJavaCompiler();

        PrintWriter out = new PrintWriter(System.err, true);

        StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);

        List<String> options = Arrays.asList("-classpath", jar.toString(), "-proc:none");

        Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(src.resolve("C.java"));

        com.sun.source.util.JavacTask task =

                (com.sun.source.util.JavacTask) comp.getTask(out, fm, null, options, null, files);

        task.parse();

        Elements elems = task.getElements();

        try {

            // Use  p1, p1.C1 as a control to verify normal behavior

            PackageElement p1 = elems.getPackageElement("p1");

            TypeElement p1C1 = elems.getTypeElement("p1.C1");

            System.err.println("p1: " + p1 + ";  p1C1: " + p1C1);

            if (p1C1 == null) {

                throw new Exception("p1.C1 not found");

            }

            // Now repeat for p2, p2.C2, closing the file manager early

            PackageElement p2 = elems.getPackageElement("p2");

            System.err.println("closing file manager");

            fm.close();

            TypeElement p2C2 = elems.getTypeElement("p2.C2");

            System.err.println("p2: " + p2 + ";  p2C2: " + p2C2);

            if (p2C2 != null) {

                throw new Exception("p2.C2 found unexpectedly");

            }

        } catch (ClosedFileSystemException e) {

            throw new Exception("unexpected exception thrown", e);

        }

    }

    private Path createJar(ToolBox tb) throws IOException {

        Path jarSrc = Paths.get("jarSrc");

        Path jarClasses = Paths.get("jarClasses");

        Path jar = Paths.get("jar.jar");

        Files.createDirectories(jarClasses);

        tb.writeJavaFiles(jarSrc,

                "package p1; public class C1 { }",

                "package p2; public class C2 { }");

        new JavacTask(tb)

                .outdir(jarClasses)

                .files(tb.findJavaFiles(jarSrc))

                .run()

                .writeAll();

        new JarTask(tb)

                .run("cf", jar.toString(), "-C", jarClasses.toString(), "p1", "p2");

        return jar;

    }

}