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

Example 11 with PosixFileAttributeView

use of java.nio.file.attribute.PosixFileAttributeView in project alluxio by Alluxio.

the class FileUtils method changeLocalFileGroup.

/**
   * Changes the local file's group.
   *
   * @param path that will change owner
   * @param group the new group
   * @throws IOException if the group is unable to be changed
   */
public static void changeLocalFileGroup(String path, String group) throws IOException {
    UserPrincipalLookupService lookupService = FileSystems.getDefault().getUserPrincipalLookupService();
    PosixFileAttributeView view = Files.getFileAttributeView(Paths.get(path), PosixFileAttributeView.class, LinkOption.NOFOLLOW_LINKS);
    GroupPrincipal groupPrincipal = lookupService.lookupPrincipalByGroupName(group);
    view.setGroup(groupPrincipal);
}

Example 12 with PosixFileAttributeView

use of java.nio.file.attribute.PosixFileAttributeView in project jdk8u_jdk by JetBrains.

the class Files method setPosixFilePermissions.

/**
     * Sets a file's POSIX permissions.
     *
     * <p> The {@code path} parameter is associated with a {@code FileSystem}
     * that supports the {@link PosixFileAttributeView}. This attribute view
     * provides access to file attributes commonly associated with files on file
     * systems used by operating systems that implement the Portable Operating
     * System Interface (POSIX) family of standards.
     *
     * @param   path
     *          The path to the file
     * @param   perms
     *          The new set of permissions
     *
     * @return  The path
     *
     * @throws  UnsupportedOperationException
     *          if the associated file system does not support the {@code
     *          PosixFileAttributeView}
     * @throws  ClassCastException
     *          if the sets contains elements that are not of type {@code
     *          PosixFilePermission}
     * @throws  IOException
     *          if an I/O error occurs
     * @throws  SecurityException
     *          In the case of the default provider, and a security manager is
     *          installed, it denies {@link RuntimePermission}<tt>("accessUserInformation")</tt>
     *          or its {@link SecurityManager#checkWrite(String) checkWrite}
     *          method denies write access to the file.
     */
public static Path setPosixFilePermissions(Path path, Set<PosixFilePermission> perms) throws IOException {
    PosixFileAttributeView view = getFileAttributeView(path, PosixFileAttributeView.class);
    if (view == null)
        throw new UnsupportedOperationException();
    view.setPermissions(perms);
    return path;
}

Example 13 with PosixFileAttributeView

use of java.nio.file.attribute.PosixFileAttributeView in project ignite by apache.

the class IgfsLocalSecondaryFileSystemTestAdapter method permissions.

/**
 * {@inheritDoc}
 */
@Override
public String permissions(String path) throws IOException {
    Path p = path(path);
    PosixFileAttributeView attrView = Files.getFileAttributeView(p, PosixFileAttributeView.class);
    if (attrView == null)
        throw new UnsupportedOperationException("Posix file attributes not available");
    int perm = 0;
    for (PosixFilePermission pfp : attrView.readAttributes().permissions()) perm |= (1 << 8 - pfp.ordinal());
    return '0' + Integer.toOctalString(perm);
}