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

Example 6 with UserDefinedFileAttributeView

use of java.nio.file.attribute.UserDefinedFileAttributeView in project Singularity by HubSpot.

the class SingularityUploader method getFileAttributes.

UploaderFileAttributes getFileAttributes(Path file) {
    Set<String> supportedViews = FileSystems.getDefault().supportedFileAttributeViews();
    LOG.trace("Supported attribute views are {}", supportedViews);
    if (supportedViews.contains("user")) {
        try {
            UserDefinedFileAttributeView view = Files.getFileAttributeView(file, UserDefinedFileAttributeView.class);
            List<String> attributes = view.list();
            LOG.debug("Found file attributes {} for file {}", attributes, file);
            Optional<Long> maybeStartTime = readFileAttributeAsLong(file, LOG_START_TIME_ATTR, view, attributes);
            Optional<Long> maybeEndTime = readFileAttributeAsLong(file, LOG_END_TIME_ATTR, view, attributes);
            return new UploaderFileAttributes(maybeStartTime, maybeEndTime);
        } catch (Exception e) {
            LOG.error("Could not get extra file metadata for {}", file, e);
        }
    }
    return new UploaderFileAttributes(Optional.empty(), Optional.empty());
}