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https://issues.apache.org/jira/browse/FELIX-682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12623082#action_12623082
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Sahoo commented on FELIX-682:
-----------------------------
Marcel,
You are right, it is possible to specify information per package. The official
document is:
http://java.sun.com/javase/6/docs/technotes/guides/versioning/spec/versioning2.html#wp90779
Please note, although it refers to attributes as Package-*, they are actually
Implementation-*. I have filed a bug against documentation. I will add the URL
to that bug once it is available. Here is a test case (
java-pkg-versioning-spec-bug.zip) to prove this fact. I sincerely request you
to take a look at the test case along with the README inside it.
Now that, it is clear to both of us that it is possible to specify information
at package level, why should a user not be able to retrieve that information
using java.lang.Package API.
To answer your question about why we can't repackage our classes as an
extension jar, well, we can't. Our non-OSGi applications use classes loaded by
Felix classloader.
Sahoo.
> Package.getImplementationVersion returns null for package loaded by Felix
> -------------------------------------------------------------------------
>
> Key: FELIX-682
> URL: https://issues.apache.org/jira/browse/FELIX-682
> Project: Felix
> Issue Type: Bug
> Components: Framework
> Affects Versions: felix-1.0.4
> Environment: NA
> Reporter: Sahoo
> Fix For: felix-1.2.0
>
> Attachments: Felix-682.zip, java-pkg-versioning-spec-bug.zip
>
>
> Even though MANIFEST.MF has proper entry for Implementation-Version,
> Package.getImplementationVersion() returns null. A reproducible test case is
> attached. It is described below:
> public class Foo implements BundleActivator {
> public void start(BundleContext context) throws Exception {
> Package p = getClass().getPackage();
> System.out.println(p);
> System.out.println(p.getImplementationVersion());
> }
> }
> The headers for this bundle are:
> osgi-test1 (10)
> ---------------
> Tool = Bnd-0.0.255
> Bundle-Activator = sahoo.osgitest1.Foo
> Implementation-Version = 1.0-SNAPSHOT
> Implementation-Vendor-Id = sahoo
> Bundle-Version = 1.0.0.SNAPSHOT
> Build-Jdk = 1.5.0_13-rev
> Implementation-Title = osgi-test1
> Created-By = Apache Maven Bundle Plugin
> Bundle-ManifestVersion = 2
> Manifest-Version = 1.0
> Bnd-LastModified = 1218821794953
> Private-Package = sahoo.osgitest1
> Bundle-Name = osgi-test1
> Built-By = ss141213
> Import-Package = org.osgi.framework;version="1.3"
> Bundle-SymbolicName = sahoo.osgi-test1
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