public void execute()

in knights/jsch-knight/src/main/java/org/apache/geronimo/arthur/knight/jsch/JschExtension.java [34:79]
41 lines of code
5 McCabe index (conditional complexity)

    public void execute(final Context context) {
        final ClassLoader loader = Thread.currentThread().getContextClassLoader();
        final Function<String, Class<?>> load = name -> {
            try {
                return loader.loadClass(name);
            } catch (final ClassNotFoundException e) {
                return null;
            }
        };

        try {
            final Class<?> jsch = load.apply("com.jcraft.jsch.JSch");
            if (jsch == null) {
                log.info("JSch no available, skipping");
                return;
            }

            final Field config = jsch.getDeclaredField("config");
            if (!config.isAccessible()) {
                config.setAccessible(true);
            }
            final Collection<String> values = Hashtable.class.cast(config.get(null)).values();

            values.stream()
                    .filter(it -> !"com.jcraft.jsch.jcraft.Compression".equalsIgnoreCase(it)) // requires other libs
                    .map(load)
                    .filter(Objects::nonNull)
                    .distinct()
                    .map(clazz -> {
                        final ClassReflectionModel model = new ClassReflectionModel();
                        model.setName(clazz.getName());
                        model.setAllDeclaredConstructors(true);
                        return model;
                    })
                    .forEach(context::register);

            context.enableAllSecurityServices();

            context.initializeAtBuildTime(
                    Stream.of(jsch.getName(), jsch.getName() + "$1") // JSch.DEVNULL
                            .filter(it -> load.apply(it) != null) // tolerate jsch extraction of DEVNULL in a root class
                    .toArray(String[]::new));
        } catch (final Exception ex) {
            throw new IllegalStateException(ex);
        }
    }