Class Scanner

src/main/java/com/github/NeRdTheNed/jSus/Scanner.java:28–187

// TODO Use LL-zip
public class Scanner {

    public static boolean detectSus(File file, boolean verbose, TestResult.TestResultLevel level, boolean color, boolean json) throws Exception {
        final PrintWriter pw = new PrintWriter(System.out);

        if (file.isDirectory()) {
            return detectSusFromDirectory(file, verbose, level, color, pw, json);
        }

        if (file.toString().toLowerCase().endsWith(".class")) {
            return detectSusFromClassfile(file, verbose, level, color, pw, json);
        }

        try
            (final JarFile jarFile = new JarFile(file)) {
            return detectSusFromJar(jarFile, verbose, level, color, pw, json);
        } catch (final Exception e) {
            System.err.println("Invalid directory or jar file " + file.getAbsolutePath());
            throw e;
        }
    }

    public static boolean detectSusFromDirectory(File dir, boolean verbose, TestResult.TestResultLevel level, boolean color, PrintWriter pw, boolean json) {
        if (!dir.isDirectory()) {
            System.err.println("Invalid directory " + dir.getAbsolutePath());
            return false;
        }

        boolean foundSus = false;
        final File[] files = dir.listFiles();

        if (files != null) {
            for (final File file : files) {
                if (file.isDirectory() && detectSusFromDirectory(file, verbose, level, color, pw, json)) {
                    foundSus = true;
                }

                final String fileName = file.toString().toLowerCase();

                if (fileName.endsWith(".class")) {
                    try {
                        if (detectSusFromClassfile(file, verbose, level, color, pw, json)) {
                            foundSus = true;
                        }
                    } catch (final Exception e) {
                        System.err.println("Invalid class file " + file.getAbsolutePath());
                        e.printStackTrace();
                    }

                    continue;
                }

                if (!fileName.endsWith(".jar")) {
                    continue;
                }

                try
                    (final JarFile jarFile = new JarFile(file)) {