def testInitialize(self):
"""Tests the __init__ function."""
file_entry = apfs_file_entry.APFSFileEntry(self._resolver_context,
self._file_system,
self._apfs_path_spec)
self.assertIsNotNone(file_entry)
def GetFileEntryByPathSpec(self, path_spec):
"""Retrieves a file entry for a path specification.
Args:
path_spec (PathSpec): path specification.
Returns:
APFSFileEntry: file entry or None if not available.
Raises:
BackEndError: if the file entry cannot be opened.
"""
# Opening a file by identifier by location will ensure added time is
# provided when available.
fsapfs_file_entry = None
location = getattr(path_spec, 'location', None)
identifier = getattr(path_spec, 'identifier', None)
if (location == self.LOCATION_ROOT
or identifier == self.ROOT_DIRECTORY_IDENTIFIER):
fsapfs_file_entry = self._fsapfs_volume.get_root_directory()
return apfs_file_entry.APFSFileEntry(
self._resolver_context,
self,
path_spec,
fsapfs_file_entry=fsapfs_file_entry,
is_root=True)
try:
if location is not None:
fsapfs_file_entry = self._fsapfs_volume.get_file_entry_by_path(
location)
elif identifier is not None:
fsapfs_file_entry = self._fsapfs_volume.get_file_entry_by_identifier(
identifier)
except IOError as exception:
raise errors.BackEndError(exception)
if fsapfs_file_entry is None:
return None
return apfs_file_entry.APFSFileEntry(
self._resolver_context,
self,
path_spec,
fsapfs_file_entry=fsapfs_file_entry)