53 lines
1.7 KiB
Java
53 lines
1.7 KiB
Java
/*
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* Copyright 2015 Christian Basler
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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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*/
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package ch.dissem.bitmessage.utils;
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/**
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* A simple utility class that simplifies using the second based time used in Bitmessage.
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*/
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public class UnixTime {
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/**
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* Length of a minute in seconds, intended for use with {@link #now(long)}.
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*/
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public static final int MINUTE = 60;
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/**
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* Length of an hour in seconds, intended for use with {@link #now(long)}.
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*/
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public static final long HOUR = 60 * MINUTE;
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/**
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* Length of a day in seconds, intended for use with {@link #now(long)}.
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*/
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public static final long DAY = 24 * HOUR;
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/**
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* @return the time in second based Unix time ({@link System#currentTimeMillis()}/1000)
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*/
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public static long now() {
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return System.currentTimeMillis() / 1000;
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}
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/**
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* Same as {@link #now()} + shiftSeconds, but might be more readable.
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*
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* @param shiftSeconds number of seconds from now we're interested in
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* @return the Unix time in shiftSeconds seconds / shiftSeconds seconds ago
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*/
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public static long now(long shiftSeconds) {
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return (System.currentTimeMillis() / 1000) + shiftSeconds;
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}
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}
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