public void execute()

in src/main/java/org/apache/sling/feature/analyser/task/impl/CheckBundleExportsImports.java [62:134]
65 lines of code
20 McCabe index (conditional complexity)

    public void execute(final AnalyserTaskContext ctx) throws IOException {
        // basic checks
        final Map<BundleDescriptor, Report> reports = new HashMap<>();

        final SortedMap<Integer, List<BundleDescriptor>> bundlesMap = new TreeMap<>();
        for(final BundleDescriptor bi : ctx.getFeatureDescriptor().getBundleDescriptors()) {
            bundlesMap.computeIfAbsent(bi.getArtifact().getStartOrder(), key -> new ArrayList<>()).add(bi);
        }

        // add all system packages
        final List<BundleDescriptor> exportingBundles = new ArrayList<>();
        if ( ctx.getFrameworkDescriptor() != null ) {
            exportingBundles.add(ctx.getFrameworkDescriptor());
        }

        for(final Map.Entry<Integer, List<BundleDescriptor>> entry : bundlesMap.entrySet()) {
            // first add all exporting bundles
            for(final BundleDescriptor info : entry.getValue()) {
                if ( !info.getExportedPackages().isEmpty() ) {
                    exportingBundles.add(info);
                }
            }
            // check importing bundles
            for(final BundleDescriptor info : entry.getValue()) {
                for(final PackageInfo pck : info.getImportedPackages() ) {
                    final List<BundleDescriptor> candidates = getCandidates(exportingBundles, pck);
                    if ( candidates.isEmpty() ) {
                        if ( pck.isOptional() ) {
                            getReport(reports, info).missingExportsForOptional.add(pck);
                        } else {
                            getReport(reports, info).missingExports.add(pck);
                        }
                    } else {
                        final List<BundleDescriptor> matchingCandidates = new ArrayList<>();
                        for (final BundleDescriptor i : candidates) {
                            if (i.isExportingPackage(pck)) {
                                matchingCandidates.add(i);
                            }
                        }
                        if ( matchingCandidates.isEmpty() ) {
                            if ( pck.isOptional() ) {
                                getReport(reports, info).missingExportsForOptional.add(pck);
                            } else {
                                getReport(reports, info).missingExportsWithVersion.add(pck);
                            }
                        } else if ( matchingCandidates.size() > 1 ) {
                            getReport(reports, info).exportMatchingSeveral.add(pck);
                        }
                    }
                }
            }
        }

        boolean errorReported = false;
        for(final Map.Entry<BundleDescriptor, Report> entry : reports.entrySet()) {
            if ( !entry.getValue().missingExports.isEmpty() ) {
                ctx.reportArtifactError(entry.getKey().getArtifact().getId(), "Bundle is importing " + getPackageInfo(entry.getValue().missingExports, false) + " with start order " +
                        String.valueOf(entry.getKey().getArtifact().getStartOrder())
                        + " but no bundle is exporting these for that start order.");
                errorReported = true;
            }
            if ( !entry.getValue().missingExportsWithVersion.isEmpty() ) {
                ctx.reportArtifactError(entry.getKey().getArtifact().getId(), "Bundle is importing "
                        + getPackageInfo(entry.getValue().missingExportsWithVersion, true) + " with start order "
                        + String.valueOf(entry.getKey().getArtifact().getStartOrder())
                        + " but no bundle is exporting these for that start order in the required version range.");
                errorReported = true;
            }
        }
        if (errorReported && ctx.getFeature().isComplete()) {
            ctx.reportError(ctx.getFeature().getId().toMvnId() + " is marked as 'complete' but has missing imports.");
        }
    }