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Subject: RE: Setting final strings at compile time
Date: Mon, 10 Dec 2007 14:05:15 -0500
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From: "Frederich, Eric P21322" <eric.frederich@siemens.com>
To: "Ant Users List" <user@ant.apache.org>
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Thanks for the reply and a possible solution but this seems more like a
hack.
Yeah, right now I have something like
Public static final String programName =3D "Java Program XYZ";
I'd like to be able to make one where that string is "Java Program XYZ -
Development Version" automagically using ant.

If the javac command could set properties the way the java command does
it would be nice.
If this isn't the case I guess I'll be stuck with a "hack" like this.
Just seems to be a pain to explicitly copy the original to a tmp
directory, do the replacement on the file, compile it and then copy the
original file back.


> -----Original Message-----
> From: Scot P. Floess
>=20
> Eric:
>=20
> You mention "final Java Strings at compile time"...
>=20
> Are you referring to actual Java as in:
>     public static final String FOO =3D "some text";
>=20
> If so, you may want to look into the <replace> task...
>=20
> You could do something as simple as:
>=20
> public class Main
> {
>     public static final String FOO =3D "%PROJECT NAME%";
> ...
> }
>=20
> <replace file =3D "Main.java"  token =3D "%PROJECT NAME%"  value =3D =
"Some=20
> Value"/>
>=20
> Of course, you probably want to copy off Main.java to a new=20
> dir and do=20
> the replacement there - compiling that copied version of course...
>=20
>=20
>=20
>=20
> Frederich, Eric P21322 wrote:
> > Hello,
> >
> > Is there an easy way to set final Java Strings at compile time?
> > I know you can set properties at runtime with=20
> -Dproperty=3Dvalue but could
> > I do this at compile time?
> > What I want to do is have one target which makes a program=20
> called "Java
> > Program XYZ - production" and another which is called "Java=20
> Program XYZ
> > - development".
> > Also, it would be useful to somehow get the date and time=20
> at which it
> > was compiled into the program.
> >
> > I figured this would be common, hopefully it is.  Perhaps I=20
> just don't
> > know the right words to search on Google.
> >
> > Thanks in advance,
> > ~Eric

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