/*

 * Copyright (c) 2014, 2015, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 8059977

 * @summary StandardJavaFileManager should support java.nio.file.Path.

 *          Test getFileObject methods.

 * @build SJFM_TestBase

 * @run main SJFM_GetFileObjects

 */

import java.io.File;

import java.io.IOException;

import java.nio.file.Path;

import java.util.Collections;

import java.util.List;

import javax.tools.JavaFileObject;

import javax.tools.StandardJavaFileManager;

import javax.tools.StandardLocation;

/**

 * For those paths supported by a file manager, verify that the paths

 * can be encapsulated by file objects, such that the file objects can

 * be used by a tool such as javac.

 */

public class SJFM_GetFileObjects extends SJFM_TestBase {

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

        new SJFM_GetFileObjects().run();

    }

    @Test

    void test_getJavaFileObjects(StandardJavaFileManager fm) throws IOException {

        test_getJavaFileObjects(fm, getTestFilePaths());

        test_getJavaFileObjects(fm, getTestZipPaths());

    }

    /**

     * Tests the getJavaFileObjects method for a specific file manager

     * and a series of paths.

     *

     * Note: instances of MyStandardJavaFileManager only support

     * encapsulating paths for files in the default file system.

     *

     * @param fm  the file manager to be tested

     * @param paths  the paths to be tested

     * @throws IOException

     */

    void test_getJavaFileObjects(StandardJavaFileManager fm, List<Path> paths) throws IOException {

        boolean expectException = !isGetFileObjectsSupported(fm, paths);

        try {

            compile(fm.getJavaFileObjects(paths.toArray(new Path[paths.size()])));

            if (expectException)

                error("expected exception not thrown");

        } catch (RuntimeException e) {

            if (expectException && e instanceof IllegalArgumentException)

                return;

            error("unexpected exception thrown: " + e);

        }

    }

    //----------------------------------------------------------------------------------------------

    @Test

    void test_getJavaFileObjectsFromPaths(StandardJavaFileManager fm) throws IOException {

        test_getJavaFileObjectsFromPaths(fm, getTestFilePaths());

        test_getJavaFileObjectsFromPaths(fm, getTestZipPaths());

    }

    /**

     * Tests the getJavaFileObjectsFromPaths method for a specific file manager

     * and a series of paths.

     *

     * Note: instances of MyStandardJavaFileManager only support

     * encapsulating paths for files in the default file system.

     *

     * @param fm  the file manager to be tested

     * @param paths  the paths to be tested

     * @throws IOException

     */

    void test_getJavaFileObjectsFromPaths(StandardJavaFileManager fm, List<Path> paths)

            throws IOException {

        boolean expectException = !isGetFileObjectsSupported(fm, paths);

        try {

            compile(fm.getJavaFileObjectsFromPaths(paths));

            if (expectException)

                error("expected exception not thrown: " + IllegalArgumentException.class.getName());

        } catch (RuntimeException e) {

            if (expectException && e instanceof IllegalArgumentException)

                return;

            error("unexpected exception thrown: " + e);

        }

    }

    //----------------------------------------------------------------------------------------------

    /**

     * Compiles a set of files.

     *

     * @param files the files to be compiled.

     * @throws IOException

     */

    void compile(Iterable<? extends JavaFileObject> files) throws IOException {

        String name = "compile" + (compileCount++);

        try (StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null)) {

            File f = new File(name);

            f.mkdirs();

            // use setLocation(Iterable<File>) to avoid relying on setLocationFromPaths

            fm.setLocation(StandardLocation.CLASS_OUTPUT, Collections.singleton(f));

            boolean ok = comp.getTask(null, fm, null, null, null, files).call();

            if (!ok)

                error(name + ": compilation failed");

        }

    }

    int compileCount;

}