Examples with BasicFileAttributeView java.nio.file.attribute.BasicFileAttributeView used on opensource projects

Example 26 with BasicFileAttributeView

use of java.nio.file.attribute.BasicFileAttributeView in project knime-core by knime.

the class FileUtil method touchTempFiles.

/**
 * Called on regular basis to update temp files according to {@link #UPDATE_TEMP_FILES_FREQUENCY_HOURS}.
 */
private static void touchTempFiles() {
    LOGGER.debug("Updating the last access time of created temp files to prevent deletion by the OS.");
    final Set<Path> paths = new HashSet<>(TEMP_FILES.size());
    synchronized (TEMP_FILES) {
        // clean TEMP_FILES map, i.e., remove stale entries
        TEMP_FILES.keySet().removeIf(Predicate.not(File::exists));
        // add all TEMP_FILES and their children to the paths set
        for (final File f : TEMP_FILES.keySet()) {
            try (final Stream<Path> stream = Files.walk(f.toPath())) {
                stream.forEach(paths::add);
            } catch (IOException ex) {
                LOGGER.debug(String.format("Error when attempting to collect temp files (children of \"%s\").", f.getAbsolutePath()), ex);
            }
        }
    }
    // attempt to touch all paths in the paths set
    final FileTime now = FileTime.from(ZonedDateTime.now().toInstant());
    long successCounter = 0;
    long failCounter = 0;
    boolean warningLogged = false;
    for (final Path p : paths) {
        try {
            BasicFileAttributeView attView = Files.getFileAttributeView(p, BasicFileAttributeView.class);
            if (attView == null) {
                if (!warningLogged) {
                    // NOSONAR -- 3 nested leves, still readable, eh
                    LOGGER.warnWithFormat("Unable to set file attributes on temp file %s, " + "file system not supporting %s", p, BasicFileAttributeView.class.getName());
                    warningLogged = true;
                    failCounter += 1;
                }
            } else {
                // Mac looks at the file's 'lastAccessTime' (not 'lastModifiedTime')
                attView.setTimes(null, now, null);
                successCounter += 1;
            }
        } catch (IOException ex) {
            LOGGER.debug(String.format("Error when attempting to touch temp file \"%s\"", p), ex);
        }
    }
    LOGGER.debugWithFormat("Finished updating 'lastAccessTime' attribute of temp files (%d succeeded, %d failed)", successCounter, failCounter);
}

Example 27 with BasicFileAttributeView

use of java.nio.file.attribute.BasicFileAttributeView in project sonarqube by SonarSource.

the class GlobalTempFolderProviderTest method setFileCreationDate.

private void setFileCreationDate(File f, long time) throws IOException {
    BasicFileAttributeView attributes = Files.getFileAttributeView(f.toPath(), BasicFileAttributeView.class);
    FileTime creationTime = FileTime.fromMillis(time);
    attributes.setTimes(creationTime, creationTime, creationTime);
}

Example 28 with BasicFileAttributeView

use of java.nio.file.attribute.BasicFileAttributeView in project judge by zjnu-acm.

the class CopyHelper method preVisitDirectory.

@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
    Path resolve = resolve(dir);
    if (!Files.exists(resolve)) {
        Files.createDirectories(resolve);
        BasicFileAttributeView view = Files.getFileAttributeView(resolve, BasicFileAttributeView.class);
        view.setTimes(attrs.lastModifiedTime(), attrs.lastAccessTime(), attrs.creationTime());
    }
    return FileVisitResult.CONTINUE;
}