| // Copyright (C) 2013 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.google.gerrit.server.util.time; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import java.sql.Timestamp; |
| import java.time.Instant; |
| import java.util.function.LongSupplier; |
| import org.eclipse.jgit.lib.Config; |
| import org.eclipse.jgit.storage.file.FileBasedConfig; |
| import org.eclipse.jgit.util.FS; |
| import org.eclipse.jgit.util.SystemReader; |
| |
| /** Static utility methods for dealing with dates and times. */ |
| public class TimeUtil { |
| private static final LongSupplier SYSTEM_CURRENT_MILLIS_SUPPLIER = System::currentTimeMillis; |
| |
| private static volatile LongSupplier currentMillisSupplier = SYSTEM_CURRENT_MILLIS_SUPPLIER; |
| |
| public static long nowMs() { |
| // We should rather use Instant.now(Clock).toEpochMilli() instead but this would require some |
| // changes in our testing code as we wouldn't have clock steps anymore. |
| return currentMillisSupplier.getAsLong(); |
| } |
| |
| public static Instant now() { |
| return Instant.ofEpochMilli(nowMs()); |
| } |
| |
| public static Timestamp nowTs() { |
| return new Timestamp(nowMs()); |
| } |
| |
| public static Timestamp truncateToSecond(Timestamp t) { |
| return new Timestamp((t.getTime() / 1000) * 1000); |
| } |
| |
| @VisibleForTesting |
| public static void setCurrentMillisSupplier(LongSupplier customCurrentMillisSupplier) { |
| currentMillisSupplier = customCurrentMillisSupplier; |
| |
| SystemReader oldSystemReader = SystemReader.getInstance(); |
| if (!(oldSystemReader instanceof GerritSystemReader)) { |
| SystemReader.setInstance(new GerritSystemReader(oldSystemReader)); |
| } |
| } |
| |
| @VisibleForTesting |
| public static void resetCurrentMillisSupplier() { |
| currentMillisSupplier = SYSTEM_CURRENT_MILLIS_SUPPLIER; |
| SystemReader.setInstance(null); |
| } |
| |
| private static class GerritSystemReader extends SystemReader { |
| SystemReader delegate; |
| |
| GerritSystemReader(SystemReader delegate) { |
| this.delegate = delegate; |
| } |
| |
| @Override |
| public String getHostname() { |
| return delegate.getHostname(); |
| } |
| |
| @Override |
| public String getenv(String variable) { |
| return delegate.getenv(variable); |
| } |
| |
| @Override |
| public String getProperty(String key) { |
| return delegate.getProperty(key); |
| } |
| |
| @Override |
| public FileBasedConfig openUserConfig(Config parent, FS fs) { |
| return delegate.openUserConfig(parent, fs); |
| } |
| |
| @Override |
| public FileBasedConfig openSystemConfig(Config parent, FS fs) { |
| return delegate.openSystemConfig(parent, fs); |
| } |
| |
| @Override |
| public long getCurrentTime() { |
| return currentMillisSupplier.getAsLong(); |
| } |
| |
| @Override |
| public int getTimezone(long when) { |
| return delegate.getTimezone(when); |
| } |
| } |
| |
| private TimeUtil() {} |
| } |