@Override
public boolean arePathsOnSameEncryptionZone(Path path1, Path path2) throws IOException {
EncryptionZone zone1, zone2;
zone1 = hdfsAdmin.getEncryptionZoneForPath(path1);
zone2 = hdfsAdmin.getEncryptionZoneForPath(path2);
if (zone1 == null && zone2 == null) {
return true;
} else if (zone1 == null || zone2 == null) {
return false;
}
return zone1.equals(zone2);
}
@Override
public int comparePathKeyStrength(Path path1, Path path2) throws IOException {
EncryptionZone zone1, zone2;
zone1 = hdfsAdmin.getEncryptionZoneForPath(path1);
zone2 = hdfsAdmin.getEncryptionZoneForPath(path2);
if (zone1 == null && zone2 == null) {
return 0;
} else if (zone1 == null) {
return -1;
} else if (zone2 == null) {
return 1;
}
return compareKeyStrength(zone1.getKeyName(), zone2.getKeyName());
}
@Override
public boolean isPathEncrypted(Path path) throws IOException {
Path fullPath;
if (path.isAbsolute()) {
fullPath = path;
} else {
fullPath = path.getFileSystem(conf).makeQualified(path);
}
if (!"hdfs".equalsIgnoreCase(path.toUri().getScheme())) {
return false;
}
try {
return (hdfsAdmin.getEncryptionZoneForPath(fullPath) != null);
} catch (FileNotFoundException fnfe) {
LOG.debug("Failed to get EZ for non-existent path: " + fullPath, fnfe);
return false;
}
}