maven graph traversal in plugin

[Al...@miranda.com]

I'm writing a plugin that needs to combine a bunch of artifacts into a zip
and create an XML file of it. I am currently working on creating the XML,
for the rest i use the assembly plugin. To generate the XML i need a way
(an api) to traverse the graph of maven dependencies


Here is a normal hierarchy


the main pom A has B and C as modules. B has a dependency on 1 and 1 has a
dependency on 1.1. Equally, C has a dependency 2 and 2 a dependency 2.1





Now, to get ahold of the two modules B and C i create a member in my mojo,
i am not too happy about this way but i found it in a tutorial
@Parameter( defaultValue = "${reactorProjects}", required = true, readonly
= true )
   private List<MavenProject> reactorProjects;


1) Is this the recommended way to get those (submodules)? i am worried that
this will include not only the two modules under A but also any and all the
other modules higher than A since A is not really the root of the
hierarchy. A itself gets aggregated by other poms


2) Now to get the dependencies of B and of C I do
 for (MavenProject module : reactorProjects) { //for every sub-module
         if (module != project) { //to ignore A
            List<Dependency> dependencies = module.getDependencies();
            for (Dependency dependency : dependencies) { //for every
dependency
               //DO STUFF
            }

         }
 }

With this I can get a reference to 1 and 2 in my example. However, from a
Dependency object i can't further get the dependencies (1.1 and 2.1). What
I would like would be more like getting another MavenProject reference for
each dependency, so that on it I can continue traversing the graph




Can anyone point me on the right direction, any documentation or existing
plugin that i can look into would be appreciated








Thank you,





Alejandro
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