org.owasp.dependencycheck.utils.DateUtil Maven / Gradle / Ivy
/*
* This file is part of dependency-check-core.
*
* 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.
*
* Copyright (c) 2014 Jeremy Long. All Rights Reserved.
*/
package org.owasp.dependencycheck.utils;
import javax.annotation.concurrent.ThreadSafe;
/**
*
* @author Jeremy Long
*/
@ThreadSafe
public final class DateUtil {
/**
* Private constructor for utility class.
*/
private DateUtil() {
}
/**
* Determines if the epoch date is within the range specified of the
* compareTo epoch time. This takes the (compareTo-date)/1000/60/60/24 to
* get the number of days. If the calculated days is less then the range the
* date is considered valid.
*
* @param date the date to be checked.
* @param compareTo the date to compare to.
* @param dayRange the range in days to be considered valid.
* @return whether or not the date is within the range.
*/
public static boolean withinDateRange(long date, long compareTo, int dayRange) {
// ms = dayRange x 24 hours/day x 60 min/hour x 60 sec/min x 1000 ms/sec
final long msRange = dayRange * 24L * 60L * 60L * 1000L;
return (compareTo - date) < msRange;
}
}