RFR: 8067295 - Need to port Utils chagnes... 8067307: Need custom classloaders... 8067291: Need additional vm checks...

[Dmitrij Pochepko]

Hi,
a bit of update for https://bugs.openjdk.java.net/browse/JDK-8067295 
(port of JDK-8066440)
http://cr.openjdk.java.net/~iignatyev/dpochepk/8067295/webrev.01/

Thanks,
Dmitrij
> Hi,
>
> Please review changes for
> https://bugs.openjdk.java.net/browse/JDK-8067291 - Need additional vm 
> checks in jdk/test/lib/testlibrary/jdk/testlibrary/Platform, checking 
> which vm is run
> https://bugs.openjdk.java.net/browse/JDK-8067295 - Need to port Utils 
> chagnes from JDK-8059613 into jdk workspace
> https://bugs.openjdk.java.net/browse/JDK-8067307 - Need custom 
> classloaders(parent-last and filtering one) for JDK-8066625 in 
> testlibrary
>
> Description: A number of small testlibrary changes needed for further 
> test development, 2 of 3 is port from respective hotspot changes
> 3rd one (JDK-8067307) introduce 2 classloaders for testlibrary. 1st is 
> FilterClassLoader - loads classes using target classloader in case
> class name meets provided condition, and using parent otherwise. 2nd 
> is ParentLastURLClassLoader which loads classes using provided URL[] 
> with fallback to parent,
>
> Webrevs:
> http://cr.openjdk.java.net/~iignatyev/dpochepk/8067291/webrev.00/
> http://cr.openjdk.java.net/~iignatyev/dpochepk/8067295/webrev.00/
> http://cr.openjdk.java.net/~iignatyev/dpochepk/8067307/webrev.00/
>
> Thanks,
> Dmitrij