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_Versi
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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