Remove unused Nfs class
The Nfs class is not used anywhere in the code base, also JGit's
FileUtils class exposes the same methods and will be prefered over this
implementation.
Change-Id: I22d2e8a804af02348de34b5cedfe6eddda4fd68c
diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/Nfs.java b/src/main/java/com/googlesource/gerrit/plugins/replication/Nfs.java
deleted file mode 100644
index 09a632d..0000000
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/Nfs.java
+++ /dev/null
@@ -1,53 +0,0 @@
-// Copyright (C) 2020 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package com.googlesource.gerrit.plugins.replication;
-
-import java.io.IOException;
-import java.util.Locale;
-
-/** Some NFS utilities */
-public class Nfs {
- /**
- * Determine if a throwable or a cause in its causal chain is a Stale NFS File Handle
- *
- * @return a boolean true if the throwable or a cause in its causal chain is a Stale NFS File
- * Handle
- */
- public static boolean isStaleFileHandleInCausalChain(Throwable throwable) {
- while (throwable != null) {
- if (throwable instanceof IOException && isStaleFileHandle((IOException) throwable)) {
- return true;
- }
- throwable = throwable.getCause();
- }
- return false;
- }
-
- /**
- * Determine if an IOException is a Stale NFS File Handle
- *
- * @return a boolean true if the IOException is a Stale NFS FIle Handle
- */
- public static boolean isStaleFileHandle(IOException ioe) {
- String msg = ioe.getMessage();
- return msg != null && msg.toLowerCase(Locale.ROOT).matches(".*stale .*file .*handle.*");
- }
-
- public static <T extends Throwable> void throwIfNotStaleFileHandle(T e) throws T {
- if (!isStaleFileHandleInCausalChain(e)) {
- throw e;
- }
- }
-}
