static void assignClustersToBundles()

in nbm-maven-plugin/src/main/java/org/apache/netbeans/nbm/CreateClusterAppMojo.java [902:957]
50 lines of code
15 McCabe index (conditional complexity)

    static void assignClustersToBundles(List<BundleTuple> bundles, Set<String> wrappedBundleCNBs,
            Map<String, Set<String>> clusterDependencies,
            Map<String, Set<String>> cluster2depClusters, Log log) {
        List<BundleTuple> toProcess = new ArrayList<>();
        List<BundleTuple> known = new ArrayList<>();
        for (Iterator<BundleTuple> it = bundles.iterator(); it.hasNext();) {
            BundleTuple ent = it.next();
            Artifact art = ent.artifact;
            ExamineManifest ex = ent.manifest;
            String spec = ex.getModule();
            //null check for tests
            //have a way to force inclusion of osgi items. Direct dependency is never wrapped by modules.
            if (art != null && art.getDependencyTrail().size() > 2 && wrappedBundleCNBs.contains(spec)) {
                // we already have this one as a wrapped module.
                log.debug("Not including bundle " + art.getDependencyConflictId()
                        + ". It is already included in a NetBeans module");
                it.remove();
                continue;
            }
            List<String> depclusters = findByDependencies(clusterDependencies, spec);
            if (depclusters.size() == 1) {
                ent.cluster = depclusters.get(0);
                known.add(ent);
            } else if (depclusters.isEmpty()) {
                toProcess.add(ent);
            } else {
                //more results.. from 2 dependent clusters pick the one that is lower in the stack.
                for (Iterator<String> it2 = depclusters.iterator(); it2.hasNext();) {
                    String s = it2.next();
                    Set<String> depsCs = cluster2depClusters.get(s);
                    boolean removeS = false;
                    for (String sDep : depclusters) {
                        if (s.equals(sDep)) {
                            continue;
                        }
                        if (depsCs != null && depsCs.contains(sDep)) {
                            removeS = true;
                        }
                    }
                    if (removeS) {
                        it2.remove();
                    }
                }
                //TODO still some free room there,
                //what if they don't directly depend on each other but still are related
                ent.cluster = depclusters.get(0);
                known.add(ent);
            }
        }
        if (!toProcess.isEmpty()) {
            walkKnownBundleDependenciesDown(known, toProcess);
        }
        if (!toProcess.isEmpty()) {
            walkKnownBundleDependenciesUp(known, toProcess);
        }
    }