[Advanced-java] On the fly compile

[terry.williams@xxxxxxxxxxxxx (Terry Williams)]

Valentin Tablan wrote:

>     That's interesting Lisa but it doesn't really solve my problem. What I
> need is a means to compile a class starting from a String value containing
> the source code rather than from a .java file.
>
>     Valentin
>
> ----- Original Message -----
> From: "Lisa Retief" <lisa@xxxxxxxxxxxxxx>
> To: "'Valentin Tablan'" <V.Tablan@xxxxxxxxxxxxxxx>; "'Advanced Java'"
> <advanced-java@xxxxxxxxxxxxxxxx>
> Sent: Friday, February 22, 2002 12:28 PM
> Subject: RE: [Advanced-java] On the fly compile
>
> > Hi Valentin,
> >
> > You could write a CustomClassLoader which compiled the classes at runtime.
> I
> > have a PDF tutorial which describes how to do exactly this, and includes
> > source code. It is 80K - let me know if you would like me to email this to
> > you.
> >
> > Regards, Lisa
> >
> > -----Original Message-----
> > From: advanced-java-admin@xxxxxxxxxxxxxxxxxxxxxx
> > [mailto:advanced-java-admin@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of Valentin
> > Tablan
> > Sent: 22 February 2002 13:21
> > To: Advanced Java
> > Subject: [Advanced-java] On the fly compile
> >
> >
> >     Hello people,
> >
> > I use javaCC to parse my own mini-language which results in some bits of
> > generated java code.
> > Is there a way to compile that code without writing to the disk and
> calling
> > javac as an external process?
> > I mean, starting from a String containing the source code can I get to a
> > class that's known to the system without touching the disk either for the
> > .java or the .class file?
> >
> >
> >     thanks,
> >     Valentin Tablan
> >
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> >
> >
> >
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> >
>
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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