public void execute()

in src/main/java/org/apache/sling/feature/analyser/task/impl/CheckUnusedBundles.java [44:103]
48 lines of code
15 McCabe index (conditional complexity)

    public void execute(final AnalyserTaskContext ctx) throws IOException {
        // iterate over all bundles
        for (final BundleDescriptor info : ctx.getFeatureDescriptor().getBundleDescriptors()) {

            if (!info.getExportedPackages().isEmpty()) {

                final Set<PackageInfo> exports = new HashSet<>(info.getExportedPackages());

                final Set<String> optionalImports = new HashSet<>();

                // find importing bundle
                for (final BundleDescriptor inner : ctx.getFeatureDescriptor().getBundleDescriptors()) {
                    if (inner == info) {
                        continue;
                    }

                    final Iterator<PackageInfo> iter = exports.iterator();
                    while (iter.hasNext()) {
                        final PackageInfo expPck = iter.next();

                        boolean found = false;
                        for (final PackageInfo impPck : inner.getImportedPackages()) {

                            if (expPck.getName().equals(impPck.getName())) {
                                if (impPck.getVersion() == null
                                        || impPck.getPackageVersionRange().includes(expPck.getPackageVersion())) {
                                    if (impPck.isOptional()) {
                                        optionalImports.add(impPck.getName());
                                    } else {
                                        found = true;
                                    }
                                    break;
                                }
                            }
                        }

                        if (found) {
                            iter.remove();
                        }
                    }

                    if (exports.isEmpty()) {
                        break;
                    }
                }

                if (exports.size() == info.getExportedPackages().size()) {
                    if (!optionalImports.isEmpty()) {
                        ctx.reportArtifactWarning(
                                info.getArtifact().getId(),
                                "Exports from bundle are only imported optionally by other bundles.");
                    } else {
                        ctx.reportArtifactWarning(
                                info.getArtifact().getId(),
                                "Exports from bundle are not imported by any other bundle.");
                    }
                }
            }
        }
    }