public int run()

in src/main/java/org/apache/sling/feature/launcher/impl/launchers/FrameworkLauncher.java [64:135]
63 lines of code
11 McCabe index (conditional complexity)

    public int run(final LauncherRunContext context, final ClassLoader cl) throws Exception {
        final VariableSubstitutor vs = new VariableSubstitutor(context);

        Map<String, String> properties = new HashMap<>();
        context.getFrameworkProperties().forEach((key, value) -> {
            properties.put(key, vs.replace(value).replace("{dollar}", "$"));
        });
        if (context.getLogger().isDebugEnabled()) {
            context.getLogger().debug("Bundles:");
            for(final Integer key : context.getBundleMap().keySet()) {
                context.getLogger().debug("-- Start Level {}", key);
                for(final URL f : context.getBundleMap().get(key)) {
                    context.getLogger().debug("  - {}", f);
                }
            }
            context.getLogger().debug("Settings: ");
            for(final Map.Entry<String, String> entry : properties.entrySet()) {
                context.getLogger().debug("- {}={}", entry.getKey(), entry.getValue());
            }
            context.getLogger().debug("Configurations: ");
            for(final Object[] entry : context.getConfigurations()) {
                if ( entry[1] != null ) {
                    context.getLogger().debug("- Factory {} - {}", entry[1], entry[0]);
                } else {
                    context.getLogger().debug("- {}", entry[0]);
                }
            }
            context.getLogger().debug("");
        }

        final Class<?> runnerClass = cl.loadClass(getFrameworkRunnerClass());
        final Constructor<?> constructor = runnerClass.getDeclaredConstructor(Map.class, Map.class, List.class,
                List.class);
        constructor.setAccessible(true);
        @SuppressWarnings("unchecked")
        Callable<Integer> restart = (Callable<Integer>) constructor.newInstance(properties, context.getBundleMap(),
                context.getConfigurations(), context.getInstallableArtifacts());

        setOptionalSupplier(restart, "setFeatureSupplier", new Supplier<Object>() {

            @Override
            public Object get() {
                try ( final StringWriter writer = new StringWriter()) {
                    FeatureJSONWriter.write(writer, feature);
                    writer.flush();
                    return writer.toString();
                } catch ( final IOException ignore) {
                    // ignore
                }
                return null;
            }
            
        });

        setOptionalBiConsumer(restart, "setBundleReporter", new BiConsumer<URL, Map<String, String>>() {
            @Override
            public void accept(final URL url, final Map<String, String> values) {
                final String urlString = url.toString();
                for(final Artifact a : feature.getBundles()) {
                    if ( urlString.equals(a.getMetadata().get(URL.class.getName()))) {
                        for(final Map.Entry<String, String> entry : values.entrySet()) {
                            a.getMetadata().put(entry.getKey(), entry.getValue());
                        }
                        break;
                    }
                }
            }
            
        });
        return restart.call();
        // nothing else to do, constructor starts everything
    }