26 * @summary Unit test for java.nio.file.attribute.BasicFileAttributeView
27 * @library ../..
28 */
29
30 import java.nio.file.*;
31 import java.nio.file.attribute.*;
32 import java.util.*;
33 import java.util.concurrent.TimeUnit;
34 import java.io.*;
35
36 public class Basic {
37
38 static void check(boolean okay, String msg) {
39 if (!okay)
40 throw new RuntimeException(msg);
41 }
42
43 static void checkAttributesOfDirectory(Path dir)
44 throws IOException
45 {
46 BasicFileAttributes attrs = Attributes.readBasicFileAttributes(dir);
47 check(attrs.isDirectory(), "is a directory");
48 check(!attrs.isRegularFile(), "is not a regular file");
49 check(!attrs.isSymbolicLink(), "is not a link");
50 check(!attrs.isOther(), "is not other");
51
52 // last-modified-time should match java.io.File
53 File f = new File(dir.toString());
54 check(f.lastModified() == attrs.lastModifiedTime().toMillis(),
55 "last-modified time should be the same");
56 }
57
58 static void checkAttributesOfFile(Path dir, Path file)
59 throws IOException
60 {
61 BasicFileAttributes attrs = Attributes.readBasicFileAttributes(file);
62 check(attrs.isRegularFile(), "is a regular file");
63 check(!attrs.isDirectory(), "is not a directory");
64 check(!attrs.isSymbolicLink(), "is not a link");
65 check(!attrs.isOther(), "is not other");
66
67 // size and last-modified-time should match java.io.File
68 File f = new File(file.toString());
69 check(f.length() == attrs.size(), "size should be the same");
70 check(f.lastModified() == attrs.lastModifiedTime().toMillis(),
71 "last-modified time should be the same");
72
73 // copy last-modified time and file create time from directory to file,
74 // re-read attribtues, and check they match
75 BasicFileAttributeView view =
76 file.getFileAttributeView(BasicFileAttributeView.class);
77 BasicFileAttributes dirAttrs = Attributes.readBasicFileAttributes(dir);
78 view.setTimes(dirAttrs.lastModifiedTime(), null, null);
79 if (dirAttrs.creationTime() != null) {
80 view.setTimes(null, null, dirAttrs.creationTime());
81 }
82 attrs = view.readAttributes();
83 check(attrs.lastModifiedTime().equals(dirAttrs.lastModifiedTime()),
84 "last-modified time should be equal");
85 if (dirAttrs.creationTime() != null) {
86 check(attrs.creationTime().equals(dirAttrs.creationTime()),
87 "create time should be the same");
88 }
89
90 // security tests
91 check (!(attrs instanceof PosixFileAttributes),
92 "should not be able to cast to PosixFileAttributes");
93 }
94
95 static void checkAttributesOfLink(Path link)
96 throws IOException
97 {
98 BasicFileAttributes attrs = Attributes
99 .readBasicFileAttributes(link, LinkOption.NOFOLLOW_LINKS);
100 check(attrs.isSymbolicLink(), "is a link");
101 check(!attrs.isDirectory(), "is a directory");
102 check(!attrs.isRegularFile(), "is not a regular file");
103 check(!attrs.isOther(), "is not other");
104 }
105
106 static void attributeReadWriteTests(Path dir)
107 throws IOException
108 {
109 // create file
110 Path file = dir.resolve("foo");
111 OutputStream out = file.newOutputStream();
112 try {
113 out.write("this is not an empty file".getBytes("UTF-8"));
114 } finally {
115 out.close();
116 }
117
118 // check attributes of directory and file
119 checkAttributesOfDirectory(dir);
120 checkAttributesOfFile(dir, file);
121
122 // symbolic links may be supported
123 Path link = dir.resolve("link");
124 try {
125 link.createSymbolicLink( file );
126 } catch (UnsupportedOperationException x) {
127 return;
128 } catch (IOException x) {
129 return;
130 }
131 checkAttributesOfLink(link);
132 }
133
134 public static void main(String[] args) throws IOException {
135 // create temporary directory to run tests
136 Path dir = TestUtil.createTemporaryDirectory();
137 try {
138 attributeReadWriteTests(dir);
139 } finally {
140 TestUtil.removeAll(dir);
141 }
142 }
143 }
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26 * @summary Unit test for java.nio.file.attribute.BasicFileAttributeView
27 * @library ../..
28 */
29
30 import java.nio.file.*;
31 import java.nio.file.attribute.*;
32 import java.util.*;
33 import java.util.concurrent.TimeUnit;
34 import java.io.*;
35
36 public class Basic {
37
38 static void check(boolean okay, String msg) {
39 if (!okay)
40 throw new RuntimeException(msg);
41 }
42
43 static void checkAttributesOfDirectory(Path dir)
44 throws IOException
45 {
46 BasicFileAttributes attrs = Files.readAttributes(dir, BasicFileAttributes.class);
47 check(attrs.isDirectory(), "is a directory");
48 check(!attrs.isRegularFile(), "is not a regular file");
49 check(!attrs.isSymbolicLink(), "is not a link");
50 check(!attrs.isOther(), "is not other");
51
52 // last-modified-time should match java.io.File
53 File f = new File(dir.toString());
54 check(f.lastModified() == attrs.lastModifiedTime().toMillis(),
55 "last-modified time should be the same");
56 }
57
58 static void checkAttributesOfFile(Path dir, Path file)
59 throws IOException
60 {
61 BasicFileAttributes attrs = Files.readAttributes(file, BasicFileAttributes.class);
62 check(attrs.isRegularFile(), "is a regular file");
63 check(!attrs.isDirectory(), "is not a directory");
64 check(!attrs.isSymbolicLink(), "is not a link");
65 check(!attrs.isOther(), "is not other");
66
67 // size and last-modified-time should match java.io.File
68 File f = new File(file.toString());
69 check(f.length() == attrs.size(), "size should be the same");
70 check(f.lastModified() == attrs.lastModifiedTime().toMillis(),
71 "last-modified time should be the same");
72
73 // copy last-modified time and file create time from directory to file,
74 // re-read attribtues, and check they match
75 BasicFileAttributeView view =
76 Files.getFileAttributeView(file, BasicFileAttributeView.class);
77 BasicFileAttributes dirAttrs = Files.readAttributes(dir, BasicFileAttributes.class);
78 view.setTimes(dirAttrs.lastModifiedTime(), null, null);
79 if (dirAttrs.creationTime() != null) {
80 view.setTimes(null, null, dirAttrs.creationTime());
81 }
82 attrs = view.readAttributes();
83 check(attrs.lastModifiedTime().equals(dirAttrs.lastModifiedTime()),
84 "last-modified time should be equal");
85 if (dirAttrs.creationTime() != null) {
86 check(attrs.creationTime().equals(dirAttrs.creationTime()),
87 "create time should be the same");
88 }
89
90 // security tests
91 check (!(attrs instanceof PosixFileAttributes),
92 "should not be able to cast to PosixFileAttributes");
93 }
94
95 static void checkAttributesOfLink(Path link)
96 throws IOException
97 {
98 BasicFileAttributes attrs =
99 Files.readAttributes(link, BasicFileAttributes.class, LinkOption.NOFOLLOW_LINKS);
100 check(attrs.isSymbolicLink(), "is a link");
101 check(!attrs.isDirectory(), "is a directory");
102 check(!attrs.isRegularFile(), "is not a regular file");
103 check(!attrs.isOther(), "is not other");
104 }
105
106 static void attributeReadWriteTests(Path dir)
107 throws IOException
108 {
109 // create file
110 Path file = dir.resolve("foo");
111 try (OutputStream out = Files.newOutputStream(file)) {
112 out.write("this is not an empty file".getBytes("UTF-8"));
113 }
114
115 // check attributes of directory and file
116 checkAttributesOfDirectory(dir);
117 checkAttributesOfFile(dir, file);
118
119 // symbolic links may be supported
120 Path link = dir.resolve("link");
121 try {
122 Files.createSymbolicLink(link, file);
123 } catch (UnsupportedOperationException x) {
124 return;
125 } catch (IOException x) {
126 return;
127 }
128 checkAttributesOfLink(link);
129 }
130
131 public static void main(String[] args) throws IOException {
132 // create temporary directory to run tests
133 Path dir = TestUtil.createTemporaryDirectory();
134 try {
135 attributeReadWriteTests(dir);
136 } finally {
137 TestUtil.removeAll(dir);
138 }
139 }
140 }
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