1/*
2 * Copyright (c) 2016, 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 8164389
27 * @summary walk entries in a jdk.nio.zipfs.JarFileSystem
28 * @modules jdk.jartool/sun.tools.jar
29 *          jdk.zipfs
30 * @run testng JFSTester
31 */
32
33import org.testng.Assert;
34import org.testng.annotations.AfterClass;
35import org.testng.annotations.BeforeClass;
36import org.testng.annotations.Test;
37
38import java.io.IOException;
39import java.io.UncheckedIOException;
40import java.net.URI;
41import java.nio.file.FileSystem;
42import java.nio.file.FileSystems;
43import java.nio.file.Files;
44import java.nio.file.Path;
45import java.nio.file.Paths;
46import java.util.HashMap;
47import java.util.Map;
48import java.util.Set;
49import java.util.stream.Collectors;
50
51public class JFSTester {
52    private URI jarURI;
53    private Path jarfile;
54
55    @BeforeClass
56    public void initialize() throws Exception {
57        String userdir = System.getProperty("user.dir",".");
58        jarfile = Paths.get(userdir, "test.jar");
59        String srcdir = System.getProperty("test.src");
60        String[] args = (
61                        "-cf "
62                        + jarfile.toString()
63                        + " -C "
64                        + srcdir
65                        + " root --release 9 -C "
66                        + srcdir
67                        + System.getProperty("file.separator")
68                        + "v9 root"
69        ).split(" +");
70        new sun.tools.jar.Main(System.out, System.err, "jar").run(args);
71        String ssp = jarfile.toUri().toString();
72        jarURI = new URI("jar", ssp, null);
73    }
74
75    @AfterClass
76    public void close() throws IOException {
77        Files.deleteIfExists(jarfile);
78    }
79
80    @Test
81    public void testWalk() throws IOException {
82
83        // no configuration, treat multi-release jar as unversioned
84        Map<String,String> env = new HashMap<>();
85        Set<String> contents = doTest(env);
86        Set<String> baseContents = Set.of(
87                "This is leaf 1.\n",
88                "This is leaf 2.\n",
89                "This is leaf 3.\n",
90                "This is leaf 4.\n"
91        );
92        Assert.assertEquals(contents, baseContents);
93
94        // a configuration and jar file is multi-release
95        env.put("multi-release", "9");
96        contents = doTest(env);
97        Set<String> versionedContents = Set.of(
98                "This is versioned leaf 1.\n",
99                "This is versioned leaf 2.\n",
100                "This is versioned leaf 3.\n",
101                "This is versioned leaf 4.\n"
102        );
103        Assert.assertEquals(contents, versionedContents);
104    }
105
106    private Set<String> doTest(Map<String,String> env) throws IOException {
107        Set<String> contents;
108        try (FileSystem fs = FileSystems.newFileSystem(jarURI, env)) {
109            Path root = fs.getPath("root");
110            contents = Files.walk(root)
111                    .filter(p -> !Files.isDirectory(p))
112                    .map(this::pathToContents)
113                    .collect(Collectors.toSet());
114        }
115        return contents;
116    }
117
118    private String pathToContents(Path path) {
119        try {
120            return new String(Files.readAllBytes(path));
121        } catch (IOException x) {
122            throw new UncheckedIOException(x);
123        }
124    }
125}
126