>From within Java (i.e. for the current VM) you could simply do: ClassLoader.getSystemResourceAsStream("java/io/InputStream.class")
Regards, Volker On Tue, Oct 24, 2017 at 3:47 AM, Sundararajan Athijegannathan <sundararajan.athijegannat...@oracle.com> wrote: > A simple nashorn sample to extract single .class using jrt file system > provider: > > https://blogs.oracle.com/sundararajan/extracting-a-single-class-file-from-java9-platform-jimage-modules-file > > -Sundar > > > On 23/10/17, 11:25 PM, Alan Bateman wrote: >> >> On 23/10/2017 18:48, Mark Raynsford wrote: >>> >>> : >>> >>> In the olden days, we'd probably have gone rummaging in rt.jar, but >>> that was obviously a hack and wasn't future-proof. My tool is only >>> designed to work with JDK 9 and up. >>> >>> Note that I'm *not* asking to get from loaded Class<?> instances to >>> bytes: I'm analyzing classes statically and none of the analyzed >>> classes will actually be loaded by any ClassLoader. >>> >> Have you looked at the jrt file system provider? Details in JEP 261 [1]. >> >> -Alan >> >> [1] http://openjdk.java.net/jeps/261