Examples of java.nio.file.attribute.BasicFileAttributeView.readAttributes()

Class java.nio.file.attribute.BasicFileAttributeView

Examples of java.nio.file.attribute.BasicFileAttributeView.readAttributes()

java.nio.file.attribute.BasicFileAttributeView.readAttributes()
Reads the basic file attributes as a bulk operation.
It is implementation specific if all file attributes are read as an atomic operation with respect to other file system operations. @return the file attributes @throws IOException if an I/O error occurs @throws SecurityException In the case of the default provider, a security manager is installed, its {@link SecurityManager#checkRead(String) checkRead}method is invoked to check read access to the file

    Path path = Paths.get(dir.getPath());
    try (DirectoryStream<Path> stream = Files.newDirectoryStream(path)) {
        for (Path file: stream) {
          BasicFileAttributeView view = getFileAttributeView(file, 
              BasicFileAttributeView.class);
          BasicFileAttributes attr = view.readAttributes();
          if (attr.isDirectory()) {
            foundSubDirs.add(file.toAbsolutePath().toString());
          } else if (attr.isRegularFile()) {
            foundFiles.add(new File(file, attr));
          }

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    BasicFileAttributeView view = Files.getFileAttributeView(p, BasicFileAttributeView.class);


    fs.close();


    try {
      view.readAttributes();
      fail();
    } catch (ClosedFileSystemException expected) {
    }


    try {

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    BasicFileAttributeView view = provider.view(fileLookup(), NO_INHERITED_VIEWS);


    assertThat(view).isNotNull();
    assertThat(view.name()).isEqualTo("basic");


    BasicFileAttributes attrs = view.readAttributes();
    assertThat(attrs.fileKey()).isEqualTo(0);


    FileTime time = attrs.creationTime();
    assertThat(attrs.lastAccessTime()).isEqualTo(time);
    assertThat(attrs.lastModifiedTime()).isEqualTo(time);

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    assertThat(attrs.lastAccessTime()).isEqualTo(time);
    assertThat(attrs.lastModifiedTime()).isEqualTo(time);


    view.setTimes(null, null, null);


    attrs = view.readAttributes();
    assertThat(attrs.creationTime()).isEqualTo(time);
    assertThat(attrs.lastAccessTime()).isEqualTo(time);
    assertThat(attrs.lastModifiedTime()).isEqualTo(time);


    view.setTimes(FileTime.fromMillis(0L), null, null);

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    assertThat(attrs.lastAccessTime()).isEqualTo(time);
    assertThat(attrs.lastModifiedTime()).isEqualTo(time);


    view.setTimes(FileTime.fromMillis(0L), null, null);


    attrs = view.readAttributes();
    assertThat(attrs.creationTime()).isEqualTo(time);
    assertThat(attrs.lastAccessTime()).isEqualTo(time);
    assertThat(attrs.lastModifiedTime()).isEqualTo(FileTime.fromMillis(0L));
  }

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      fail("expected ClosedDirectoryStreamException");
    } catch (ClosedDirectoryStreamException expected) {
    }


    try {
      view2.readAttributes();
      fail("expected ClosedDirectoryStreamException");
    } catch (ClosedDirectoryStreamException expected) {
    }


    try {

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    private void listFile(@NotNull final Path path, @NotNull final PrintWriter writer) throws IOException {


        final BasicFileAttributeView view = Files.getFileAttributeView(
                path, BasicFileAttributeView.class);


        final BasicFileAttributes attrs = view.readAttributes();
        final String timeStr = DateUtils.format(attrs.lastModifiedTime());


        // As not all the file systems support POSIX file permissions,
        // we don't try to retrieve them + retrieving such information
        // for each file, can entail performance degradation.

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