1 /*

     2  * Copyright (c) 2014, 2015, 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 /*

    25  * @test

    26  * @bug 8059977

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

    28  *          Test asPath method.

    29  * @build SJFM_TestBase

    30  * @run main SJFM_AsPath

    31  */

    32 

    33 import java.io.IOException;

    34 import java.nio.file.Path;

    35 import java.util.HashSet;

    36 import java.util.List;

    37 import java.util.Set;

    38 import javax.tools.JavaFileObject;

    39 import javax.tools.StandardJavaFileManager;

    40 

    41 /**

    42  * For those paths which are supported by a file manager, such that

    43  * a file object can encapsulate the path, verify that the underlying

    44  * path can be recovered from the file object.

    45  */

    46 public class SJFM_AsPath extends SJFM_TestBase {

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

    48         new SJFM_AsPath().run();

    49     }

    50 

    51     @Test

    52     void test_asPath(StandardJavaFileManager fm) throws IOException {

    53         test_asPath(fm, getTestFilePaths());

    54         test_asPath(fm, getTestZipPaths());

    55     }

    56 

    57     /**

    58      * Tests the asPath method for a specific file manager and a series

    59      * of paths.

    60      *

    61      * Note: instances of MyStandardJavaFileManager only support

    62      * encapsulating paths for files in the default file system,

    63      * and throw UnsupportedOperationException for asPath.

    64      *

    65      * @param fm  the file manager to be tested

    66      * @param paths  the paths to be tested

    67      * @throws IOException

    68      */

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

    70         if (!isGetFileObjectsSupported(fm, paths))

    71             return;

    72         boolean expectException = (fm instanceof MyStandardJavaFileManager);

    73 

    74         Set<Path> ref = new HashSet<>(paths);

    75         for (JavaFileObject fo : fm.getJavaFileObjectsFromPaths(paths)) {

    76             try {

    77                 Path path = fm.asPath(fo);

    78                 if (expectException)

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

    80                 boolean found = ref.remove(path);

    81                 if (!found) {

    82                     error("Unexpected path found: " + path + "; expected one of " + ref);

    83                 }

    84             } catch (Exception e) {

    85                 if (expectException && e instanceof UnsupportedOperationException)

    86                     continue;

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

    88             }

    89         }

    90     }

    91 }