1 /*
2 * Copyright (c) 2009, 2011, 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 import java.nio.file.*;
25 import java.nio.file.attribute.*;
26 import java.nio.file.spi.FileSystemProvider;
27 import java.util.*;
28 import java.net.URI;
29 import java.io.IOException;
30
31 /**
32 * Basic test for zip provider
33 */
34
35 public class Basic {
36 public static void main(String[] args) throws Exception {
37 Path zipfile = Paths.get(args[0]);
38
39 // Test: zip should should be returned in provider list
40 boolean found = false;
41
42 for (FileSystemProvider provider: FileSystemProvider.installedProviders()) {
43 if (provider.getScheme().equalsIgnoreCase("jar")) {
44 found = true;
45 break;
46 }
47 }
48 if (!found)
49 throw new RuntimeException("'jar' provider not installed");
50
51 // Test: FileSystems#newFileSystem(Path)
52 Map<String,?> env = new HashMap<String,Object>();
53 FileSystems.newFileSystem(zipfile, null).close();
54
55 // Test: FileSystems#newFileSystem(URI)
56 URI uri = new URI("jar", zipfile.toUri().toString(), null);
57 FileSystem fs = FileSystems.newFileSystem(uri, env, null);
58
59 // Test: exercise toUri method
60 String expected = uri.toString() + "!/foo";
61 String actual = fs.getPath("/foo").toUri().toString();
62 if (!actual.equals(expected)) {
63 throw new RuntimeException("toUri returned '" + actual +
64 "', expected '" + expected + "'");
65 }
66
67 // Test: exercise directory iterator and retrieval of basic attributes
68 Files.walkFileTree(fs.getPath("/"), new FileTreePrinter());
69
70 // Test: DirectoryStream
71 found = false;
72 try (DirectoryStream<Path> stream = Files.newDirectoryStream(fs.getPath("/"))) {
73 for (Path entry: stream) {
74 found = entry.toString().equals("/META-INF/");
75 if (found) break;
76 }
77 }
78
79 if (!found)
80 throw new RuntimeException("Expected file not found");
81
82 // Test: copy file from zip file to current (scratch) directory
83 Path source = fs.getPath("/META-INF/services/java.nio.file.spi.FileSystemProvider");
84 if (Files.exists(source)) {
85 Path target = Paths.get(source.getFileName().toString());
86 Files.copy(source, target, StandardCopyOption.REPLACE_EXISTING);
87 try {
88 long s1 = Files.readAttributes(source, BasicFileAttributes.class).size();
89 long s2 = Files.readAttributes(target, BasicFileAttributes.class).size();
90 if (s2 != s1)
91 throw new RuntimeException("target size != source size");
92 } finally {
93 Files.delete(target);
94 }
95 }
96
97 // Test: FileStore
98 FileStore store = Files.getFileStore(fs.getPath("/"));
99 if (!store.supportsFileAttributeView("basic"))
100 throw new RuntimeException("BasicFileAttributeView should be supported");
101
102 // Test: ClosedFileSystemException
103 fs.close();
104 if (fs.isOpen())
105 throw new RuntimeException("FileSystem should be closed");
106 try {
107 fs.provider().checkAccess(fs.getPath("/missing"), AccessMode.READ);
108 } catch (ClosedFileSystemException x) { }
109 }
110
111 // FileVisitor that pretty prints a file tree
112 static class FileTreePrinter extends SimpleFileVisitor<Path> {
113 private int indent = 0;
114
115 private void indent() {
116 StringBuilder sb = new StringBuilder(indent);
117 for (int i=0; i<indent; i++) sb.append(" ");
118 System.out.print(sb);
119 }
120
121 @Override
122 public FileVisitResult preVisitDirectory(Path dir,
123 BasicFileAttributes attrs)
124 {
125 if (dir.getFileName() != null) {
126 indent();
127 System.out.println(dir.getFileName() + "/");
128 indent++;
129 }
130 return FileVisitResult.CONTINUE;
131 }
132
133 @Override
134 public FileVisitResult visitFile(Path file,
135 BasicFileAttributes attrs)
136 {
137 indent();
138 System.out.print(file.getFileName());
139 if (attrs.isRegularFile())
140 System.out.format(" (%d)", attrs.size());
141 System.out.println();
142 return FileVisitResult.CONTINUE;
143 }
144
145 @Override
146 public FileVisitResult postVisitDirectory(Path dir, IOException exc)
147 throws IOException
148 {
149 if (exc != null)
150 super.postVisitDirectory(dir, exc);
151 if (dir.getFileName() != null)
152 indent--;
153 return FileVisitResult.CONTINUE;
154 }
155 }
156 }