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Reworked withinDateRange to avoid type conversion between doubles and longs; expressed in long integer math.

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This commit is contained in:
Anthony Whitford
2015-10-21 23:27:03 -07:00
parent ccb03f2763
commit cef3bb7424
1 changed files with 5 additions and 4 deletions
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9
dependency-check-core/src/main/java/org/owasp/dependencycheck/utils/DateUtil.java
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@@ -36,11 +36,12 @@ public final class DateUtil {
*
* @param date the date to be checked.
* @param compareTo the date to compare to.
* @param range the range in days to be considered valid.
* @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 range) {
final double differenceInDays = (compareTo - date) / 1000.0 / 60.0 / 60.0 / 24.0;
return differenceInDays < 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;
}
}