On Wed, 24 Nov 2021 16:56:35 GMT, Lance Andersen <lan...@openjdk.org> wrote:

>> Andrew Leonard has updated the pull request with a new target base due to a 
>> merge or a rebase. The pull request now contains five commits:
>> 
>>  - 8276766: Enable jar and jmod to produce deterministic timestamped content
>>    
>>    Signed-off-by: Andrew Leonard <anleo...@redhat.com>
>>  - 8276766: Enable jar and jmod to produce deterministic timestamped content
>>    
>>    Signed-off-by: Andrew Leonard <anleo...@redhat.com>
>>  - 8276766: Enable jar and jmod to produce deterministic timestamped content
>>    
>>    Signed-off-by: Andrew Leonard <anleo...@redhat.com>
>>  - 8276766: Enable jar and jmod to produce deterministic timestamped content
>>    
>>    Signed-off-by: Andrew Leonard <anleo...@redhat.com>
>>  - 8276766: Enable jar and jmod to produce deterministic timestamped content
>>    
>>    Signed-off-by: Andrew Leonard <anleo...@redhat.com>
>
> src/jdk.jartool/share/classes/sun/tools/jar/Main.java line 2290:
> 
>> 2288:     private void setSourceDate(ZipEntry e, long origTime) {
>> 2289:         if (sourceDate != -1) {
>> 2290:           e.setTimeLocal(LocalDateTime.ofEpochSecond(sourceDate, 0, 
>> ZoneOffset.UTC));
> 
> The above could potentially throw a DateTimeException which may be OK but I 
> would sanity check there are no issues

For files with large number of entries, alot of LocalDateTime Objects are being 
created here. Would there be an efficiency gain by converting sourceDate 
variable to be of type LocalDateTime and simply pass it to the s.setTimeLocal 
call here. The LocalDateTime Object could be constructed at init time (may be 
null) and can be static etc. 

Same for jmod code ?

-------------

PR: https://git.openjdk.java.net/jdk/pull/6481

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