@Override
public void checkFileAccess(FileSystem fs, FileStatus stat, FsAction action)
throws IOException, AccessControlException, Exception {
try {
if (accessMethod == null) {
// Have to rely on Hive implementation of filesystem permission checks.
DefaultFileAccess.checkFileAccess(fs, stat, action);
} else {
accessMethod.invoke(fs, stat.getPath(), action);
}
} catch (Exception err) {
throw wrapAccessException(err);
}
}
/**
* Proxy file system also needs to override the access() method behavior. Cannot add Override
* annotation since FileSystem.access() may not exist in the version of hadoop used to build
* Hive.
*/
@Override
public void access(Path path, FsAction action)
throws AccessControlException, FileNotFoundException, IOException {
Path underlyingFsPath = swizzleParamPath(path);
FileStatus underlyingFsStatus = fs.getFileStatus(underlyingFsPath);
try {
if (accessMethod != null) {
accessMethod.invoke(fs, underlyingFsPath, action);
} else {
// If the FS has no access() method, we can try DefaultFileAccess ..
DefaultFileAccess.checkFileAccess(fs, underlyingFsStatus, action);
}
} catch (AccessControlException err) {
throw err;
} catch (FileNotFoundException err) {
throw err;
} catch (IOException err) {
throw err;
} catch (Exception err) {
throw new RuntimeException(err.getMessage(), err);
}
}