[Advanced-java] On the fly compile

[terry.williams@xxxxxxxxxxxxx (Terry Williams)]

Valentin Tablan wrote:

>     I'm sorry if I'm missing something but I believe that the
> CompilingClassLoader makes an external call to javac in order to compile the
> .java source and then reads the resulting .class file from the disk creating
> a Class object out of its bytes. How exactly would you change this to use
> streams/readers?
>
> What I need is a 100% java way to access javac(or any other java compiler),
> send it the source as a String/stream and get back the bytes for the
> compiled class without touching the disk at any time.
>
>     thanks,
>     Valentin
>
> > Having just read through that document, if you take a look at the source
> at the
> > end of the document it is reasonably easy to modify it to operate using an
> > InputStream & and an OutputStream  (if necessary).
> >
> > Terry
> >
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Well, now that sun has said it's okay to ship more than the runtime system it's
probably okay to use the com.sun.tools.javac.v8 which supply all the required
functionality needed to compile in memory. You can find the classes in the
tools.jar - along with the decompiler & jar.

Enjoy

Terry