RFR: JDK-8156995 - jimage: extract specified contents

[Alan Bateman]

On 01/06/2016 16:35, Jim Laskey (Oracle) wrote:
> We tried using regex in jlink for various filters and found that it made jlink > 10x slower.  Granted jlink is time critical and jimage is not.  I made the assumption that filter expressions would be very basic, most of the time, and tried to be consistent with filters for both tools.  I could easily change it to use regex if not a basic pattern.
>
> Note we also chose not to use java.lang.regex in Nashorn for similar reasons (plus the fact it didn’t meet JS spec. .)  Might be worth revisiting regex performance.
>
I understand that this was an issue in Nashorn. I wasn't aware of this 
being a problem with jlink as the regex usage should be very simple with 
the order-resources or exclude-resources plugins. Note that jar and jmod 
both have options that are patterns so we are a bit inconsistent on this 
point.

-Alan.