394998c366
The GWT UI was deprecated and removed from the master branch after the 2.16 release was cut. These annotations are leftovers that are no longer needed. Change-Id: I4cade217aef515647637df51820bd7f1c327bd21
101 lines
3.0 KiB
Java
101 lines
3.0 KiB
Java
// Copyright (C) 2014 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.gerrit.common;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.Arrays;
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import org.eclipse.jgit.lib.Constants;
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import org.eclipse.jgit.storage.file.FileBasedConfig;
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import org.eclipse.jgit.util.IO;
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public class FileUtil {
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public static boolean modified(FileBasedConfig cfg) throws IOException {
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byte[] curVers;
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try {
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curVers = IO.readFully(cfg.getFile());
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} catch (FileNotFoundException notFound) {
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return true;
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}
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byte[] newVers = Constants.encode(cfg.toText());
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return !Arrays.equals(curVers, newVers);
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}
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public static void mkdir(File path) {
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if (!path.isDirectory() && !path.mkdir()) {
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throw new Die("Cannot make directory " + path);
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}
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}
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public static void chmod(int mode, Path path) {
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// TODO(dborowitz): Is there a portable way to do this with NIO?
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chmod(mode, path.toFile());
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}
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public static void chmod(int mode, File path) {
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path.setReadable(false, false /* all */);
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path.setWritable(false, false /* all */);
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path.setExecutable(false, false /* all */);
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path.setReadable((mode & 0400) == 0400, true /* owner only */);
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path.setWritable((mode & 0200) == 0200, true /* owner only */);
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if (path.isDirectory() || (mode & 0100) == 0100) {
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path.setExecutable(true, true /* owner only */);
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}
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if ((mode & 0044) == 0044) {
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path.setReadable(true, false /* all */);
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}
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if ((mode & 0011) == 0011) {
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path.setExecutable(true, false /* all */);
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}
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}
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/**
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* Get the last modified time of a path.
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*
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* <p>Equivalent to {@code File#lastModified()}, returning 0 on errors, including file not found.
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* Callers that prefer exceptions can use {@link Files#getLastModifiedTime(Path,
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* java.nio.file.LinkOption...)}.
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*
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* @param p path.
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* @return last modified time, in milliseconds since epoch.
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*/
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public static long lastModified(Path p) {
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try {
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return Files.getLastModifiedTime(p).toMillis();
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} catch (IOException e) {
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return 0;
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}
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}
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public static Path mkdirsOrDie(Path p, String errMsg) {
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try {
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if (!Files.isDirectory(p)) {
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Files.createDirectories(p);
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}
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return p;
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} catch (IOException e) {
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throw new Die(errMsg + ": " + p, e);
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}
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}
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private FileUtil() {}
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}
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