buffer.append("=");
        return buffer.toString();
    }

    /**
     * Decodes the supplied Base-64 encoded string.
     *
     * @param string The Base-64 encoded string that is to be decoded.
     * @return A <code>byte[]</code> containing the decoded data block.
     */
    public static byte[] decode(String string) {
        int length = string.length();
        if (length == 0) return new byte[0];

        }
    }

    public void test_decode() {
        assertNull(permissionHelper.decode(null));
        assertNull(permissionHelper.decode(""));
        assertNull(permissionHelper.decode(" "));
        assertNull(permissionHelper.decode("D"));

        assertEquals("{user}guest", permissionHelper.decode("1guest"));
        assertEquals("{role}guest", permissionHelper.decode("Rguest"));

    }

    private static void decode(final String inData, final int inIndex, final byte[] outData, final int outIndex) {

        final byte b0 = DECODE_TABLE[inData.charAt(inIndex)];
        final byte b1 = DECODE_TABLE[inData.charAt(inIndex + 1)];
        final byte b2 = DECODE_TABLE[inData.charAt(inIndex + 2)];
        final byte b3 = DECODE_TABLE[inData.charAt(inIndex + 3)];

                    final String key = urlCodec.decode(pair.substring(0, pos), enc);
                    List<String> list = paramListMap.get(key);
                    if (list == null) {
                        list = new ArrayList<>();
                        paramListMap.put(key, list);
                    }
                    if (pos + 1 < pair.length()) {
                        list.add(urlCodec.decode(pair.substring(pos + 1), enc));

     */
    public long getLengthInBytes () {
        return this.lengthInBytes;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.Decodable#decode(byte[], int, int)
     */
    @Override
    public int decode ( byte[] buffer, int bufferIndex, int len ) throws SMBProtocolDecodingException {
        if ( this.largeFile ) {
            this.pid = SMBUtil.readInt2(buffer, bufferIndex);

    }


    @Override
    public long getSize () {
        return 0L;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.Decodable#decode(byte[], int, int)
     */
    @Override
    public int decode ( byte[] buffer, int bufferIndex, int len ) throws SMBProtocolDecodingException {
        int start = bufferIndex;
        this.createTime = SMBUtil.readTime(buffer, bufferIndex);

     *            エンコーディング。{@literal null}や空文字列であってはいけません
     * @return デコードされた文字列
     */
    public static String decode(final String s, final String enc) {
        assertArgumentNotEmpty("s", s);
        assertArgumentNotEmpty("enc", enc);

        try {
            return URLDecoder.decode(s, enc);
        } catch (final UnsupportedEncodingException e) {
            throw new IORuntimeException(e);
        }
    }

        this.value = value;
    }


    @Override
    public void encode ( NdrBuffer dst ) throws NdrException {
        dst.enc_ndr_hyper(this.value);
    }


    @Override
    public void decode ( NdrBuffer src ) throws NdrException {
        this.value = src.dec_ndr_hyper();
    }

        System.out.println(Base64Util.encode(new byte[] { 'a', 'b', 'c' }));
    }

    /**
     * @throws Exception
     */
    public void testDecode() throws Exception {
        final byte[] decodedData = Base64Util.decode(ENCODED_DATA);
        assertEquals("1", BINARY_DATA.length, decodedData.length);
        for (int i = 0; i < decodedData.length; i++) {
            assertEquals("2", BINARY_DATA[i], decodedData[i]);
        }
    }

        int start = bufferIndex;
        FileInformation inf = createFileInformation();
        if ( inf != null ) {
            bufferIndex += inf.decode(buffer, bufferIndex, getDataCount());
            this.info = inf;
        }
        return bufferIndex - start;
    }


    private FileInformation createFileInformation () {
        FileInformation inf;