Method get has 32 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    private void get(String remoteFiles[], OutputStream[] targets) throws IOException
    {
        Session sess = null;

        if ((remoteFiles == null) || (targets == null))

Method create has 10 arguments (exceeds 4 allowed). Consider refactoring.

Open

    public static KeyMaterial create(String hashAlgo, byte[] H, BigInteger K, byte[] SessionID, int keyLengthCS,
            int blockSizeCS, int macLengthCS, int keyLengthSC, int blockSizeSC, int macLengthSC)

Method run has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

        public void run()
        {
            while (true)
            {
                byte[] msg;

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Method readLineRN has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

    public final static int readLineRN(InputStream is, byte[] buffer) throws IOException
    {
        int pos = 0;
        boolean need10 = false;
        int len = 0;

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Method run has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

        public void run()
        {
            synchronized (todolist)
            {
                while (true)

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Method run has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

    public void run()
    {
        try
        {
            c.cm.sendOpenConfirmation(c);

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Method write has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

    public void write(SFTPv3FileHandle handle, long fileOffset, byte[] src, int srcoff, int len) throws IOException
    {
        checkHandleValidAndOpen(handle);

        while (len > 0)

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Method parseTokens has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

    public static String[] parseTokens(String source, char delimiter)
    {
        if (source.length() == 0)
            return new String[0];

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Method addHostkeyToFile has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

    public final static void addHostkeyToFile(File knownHosts, String[] hostnames, String serverHostKeyAlgorithm,
            byte[] serverHostKey) throws IOException
    {
        if ((hostnames == null) || (hostnames.length == 0))
            throw new IllegalArgumentException("Need at least one hostname specification");

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Method rawFingerPrint has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

    private static byte[] rawFingerPrint(String type, String keyType, byte[] hostkey)
    {
        MessageDigest dig = null;

        try {

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Method recommendHostkeyAlgorithms has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

    private String[] recommendHostkeyAlgorithms(String hostname) {
        List<String> preferredAlgos = new ArrayList<>();

        List<PublicKey> keys = getAllKeys(hostname);

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Method get has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

    private void get(String remoteFiles[], OutputStream[] targets) throws IOException
    {
        Session sess = null;

        if ((remoteFiles == null) || (targets == null))

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Method readOid has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public String readOid() throws IOException
    {
        int type = readByte() & 0xff;

        if (type != 0x06)

Method openFile has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    private SFTPv3FileHandle openFile(String fileName, int flags, SFTPv3FileAttributes attr) throws IOException
    {
        int req_id = generateNextRequestID();

        TypesWriter tw = new TypesWriter();

Method readLink has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public String readLink(String path) throws IOException
    {
        int req_id = generateNextRequestID();

        TypesWriter tw = new TypesWriter();

Method canonicalPath has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public String canonicalPath(String path) throws IOException
    {
        int req_id = generateNextRequestID();

        TypesWriter tw = new TypesWriter();

Method run has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

        public void run()
        {
            while (true)
            {
                byte[] msg;

Method unRegisterX11Cookie has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public void unRegisterX11Cookie(String hexFakeCookie, boolean killChannels)
    {
        if (hexFakeCookie == null)
            throw new IllegalStateException("hexFakeCookie may not be null");

Method read has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public int read(byte[] b, int off, int len) throws IOException
    {
        if (b == null)
            throw new NullPointerException();

Method sendMessage has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public void sendMessage(byte[] msg) throws IOException
    {
        if (Thread.currentThread() == receiveThread)
            throw new IOException("Assertion error: sendMessage may never be invoked by the receiver thread!");