assertEquals(Object[].class, TypeToken.of(Object[][].class).getComponentType().getType());
    assertEquals(char.class, TypeToken.of(char[].class).getComponentType().getType());
    assertEquals(char[].class, TypeToken.of(char[][].class).getComponentType().getType());
    assertEquals(byte.class, TypeToken.of(byte[].class).getComponentType().getType());

        byte[] data = new byte[] { 0x04, 0x00, 0x00, 0x00, // total
                0x01, 0x00, 0x00, 0x00, // unused
                0x02, 0x00, 0x00, 0x00, // used
                0x00, 0x00, // unused char
                0x41, 0x00, // 'A'
                0x42, 0x00 // 'B'
        };
        PacDataInputStream pdis = createInputStream(data);
        String str = pdis.readString();
        assertEquals("AB", str);

        StringBuilder sb = new StringBuilder();
        for (int i = offset; i < offset + length && buffer[i] != 0; i++) {
            if (buffer[i] != 0) {
                sb.append((char) buffer[i]);
            }
        }
        return sb.toString();
    }

    private String unescape(final String s) {
        if (s.indexOf('\\') >= 0) {
            final StringBuilder sb = new StringBuilder();
            for (int i = 0; i < s.length(); i++) {
                final char ch = s.charAt(i);
                if (ch == '\\' && i < s.length() - 1) {
                    i++;
                    sb.append(s.charAt(i));
                } else {
                    sb.append(ch);

    private final Map<String, byte[]> rawKeys = new ConcurrentHashMap<>();
    private final SecureRandom secureRandom = new SecureRandom();
    private KeyStore keyStore;
    private char[] keyStorePassword;
    private volatile boolean closed = false;

    /**
     * Create a secure key manager without KeyStore
     */
    public SecureKeyManager() {
        this.keyStore = null;

  public static Joiner on(String separator) {
    return new Joiner(separator);
  }

  /** Returns a joiner which automatically places {@code separator} between consecutive elements. */
  public static Joiner on(char separator) {
    return new Joiner(String.valueOf(separator));
  }

  private final String separator;

  private Joiner(String separator) {
    this.separator = checkNotNull(separator);
  }

     * @param out the writer
     * @return the number of characters copied
     */
    protected static int copyInternal(final Reader in, final Writer out) {
        try {
            final char[] buf = new char[DEFAULT_BUF_SIZE];
            int len;
            int amount = 0;
            while ((len = in.read(buf)) != -1) {
                out.write(buf, 0, len);
                amount += len;
            }

            return doNameQuery(name, svr);
        }

        int IP = 0x00;
        int hitDots = 0;
        final char[] data = host.toCharArray();

        for (int i = 0; i < data.length; i++) {
            char c = data[i];
            if (c < 48 || c > 57) {
                return doNameQuery(name, svr);
            }
            int b = 0x00;
            while (c != '.') {

te:before{content:"\f0a3"}.fa-chair:before{content:"\f6c0"}.fa-chalkboard:before{content:"\f51b"}.fa-chalkboard-teacher:before{content:"\f51c"}.fa-charging-station:before{content:"\f5e7"}.fa-chart-area:before{content:"\f1fe"}.fa-chart-bar:before{content:"\f080"}.fa-chart-line:before{content:"\f201"}.fa-chart-pie:before{content:"\f200"}.fa-check:before{content:"\f00c"}.fa-check-circle:before{content:"\f058"}.fa-check-double:before{content:"\f560"}.fa-check-square:before{content:"\f14a"}.fa-cheese...

     */
    protected String generateId(final String urlId) {
        final StringBuilder encodedBuf = new StringBuilder(urlId.length() + 100);
        for (int i = 0; i < urlId.length(); i++) {
            final char c = urlId.charAt(i);
            if (c >= 'a' && c <= 'z' //
                    || c >= 'A' && c <= 'Z' //
                    || c >= '0' && c <= '9' //
                    || c == '.' //