The convention the bundle uses for determining which packages to export by default is reasonable, unfortunately none of our modules appear to comply with it. We could use this approach for future modules. ;)
-----Original Message----- From: Stuart McCulloch [mailto:[email protected]] Sent: 29 March 2010 16:14 To: [email protected] Subject: Re: "gotcha" with Export-Package. On 29 March 2010 07:57, peter lawrey <[email protected]> wrote: > When using org.apache.felix/maven-bundle-plugin, it appears that when > you specify a wildcard for a package, it will take all the matching > packages in the classpath, rather than just that module. > > Module1 > > <Export-Package>com.mycom.api.d.*</Export-Package> > > Module2 depends on Module1 > > <Export-Package>com.mycom.api.*</Export-Package> > > This results in Module2 including the classes from Module1 rather than > only matching packages from Module2. > correct, this is the Bnd Tool working as designed it takes the given project compilation classpath (in this case from Maven) and applies the instructions to decide what classes to include inside the bundle - Bnd considers the whole classpath because 1) you might want to slice it into different bundles, and 2) you often want to merge so-called 'split' packages if you want to reduce the classpath passed from Maven to Bnd you can use the <excludeDependencies> configuration setting (note this is a plugin level setting, not a Bnd instruction) <plugin> <groupId>org.apache.felix</groupId> <artifactId>maven-bundle-plugin</artifactId> <extensions>true</extensions> <configuration> <excludeDependencies>*;artifactId=!module1</excludeDependencies> </configuration> </plugin> ( <excludeDependencies> uses the same format as Embed-Dependency ) in an ideal world you should be reducing the amount of packages that you export, then you don't need to use a wildcard - also you might also want to try using the bundleplugin defaults, which generate Export-Package & Private-Package based on the source code under the project directory for a stock Maven project you typically just need to flip the packaging from 'jar' to 'bundle' and not worry about OSGi/Bnd specific instructions unless the generated defaults don't match your needs HTH -- Cheers, Stuart --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
