This is supposed to work, though I haven't tried it personally:
InputStream is =
this.getClass().getResourceAsStream("/META-INF/MANIFEST.MF")
> -----Original Message-----
> From: Steve Cohen [mailto:sco...@javactivity.org]
> Sent: Wednesday, January 11, 2012 11:10 AM
> To: users@maven.apache.org
> Subject: Re: Howto access project version programmatically within
> application
>
> Hmm, intriguing but not working in my case which is a jar, not a war
or
> ear. This is standalone java app.
>
> I've tried
> getResourceAsStream("META_INF/MANIFEST.MF") and
> getResourceAsStream("/META_INF/MANIFEST.MF") without success even
> though
> I've verified that the file exists in the jar,
>
> How does one read the manifest from an executable jar?
>
>
> On 01/11/2012 11:35 AM, Matt Walsh wrote:
> > This is referenced from the maven-buildnumber-plugin documentation.
> >
> >
>
http://apollo.ucalgary.ca/tlcprojectswiki/index.php/Public/Project_Vers
> i
> > oning_-_Best_Practices#Build_Versioning
> >
> > Where they do the following (assuming, of course, you've placed the
> info
> > in your manifest file):
> >
> >
> > String appServerHome = getServletContext().getRealPath("/");
> >
> > File manifestFile = new File(appServerHome, "META-INF/MANIFEST.MF");
> >
> > Manifest mf = new Manifest();
> > mf.read(new FileInputStream(manifestFile));
> >
> > Attributes atts = mf.getMainAttributes();
> >
> > System.out.println("Version: " +
> > atts.getValue("Implementation-Version"));
> > System.out.println("Build: " + atts.getValue("Implementation-
> Build"));
> >
> >> -----Original Message-----
> >> From: Steve Cohen [mailto:sco...@javactivity.org]
> >> Sent: Wednesday, January 11, 2012 10:29 AM
> >> To: users@maven.apache.org
> >> Subject: Re: Howto access project version programmatically within
> >> application
> >>
> >> On 01/11/2012 10:50 AM, Stephen Connolly wrote:
> >>>
> >
getClass().getClassLoader().getPackage("").getImplementationVersion()
> >>>
> >>
> >> I really liked the simplicity of this idea. Alas,
> >> ClassLoader.getPackage(String) is a protected method, so this won't
> >> help.
> >>
> >> Accessible to me is:
> >>
> >> Package.getPackage("").getImplementationVersion(), which according
> to
> >> Javadocs sounds like it would do the same thing, but this throws a
> >> NullPointerException.
> >>
> >>
> >>
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> >
> >
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