Java Code Examples for io.netty.util.AsciiString#byteAt()

private static void validateHeaders(AsciiString[] pseudoHeaders, AsciiString... otherHeaders) {
    // We are only validating values... so start at 1 and go until end.
    for (int i = 1; i < pseudoHeaders.length; i += 2) {
        // pseudoHeaders names are only set internally so they are assumed to be valid.
        if (pseudoHeaders[i] == null) {
            throw new IllegalArgumentException("pseudoHeaders value at index " + i + " is null");
        }
    }

    boolean seenNonPseudoHeader = false;
    final int otherHeadersEnd = otherHeaders.length - 1;
    for (int i = 0; i < otherHeadersEnd; i += 2) {
        AsciiString name = otherHeaders[i];
        HTTP2_NAME_VALIDATOR.validateName(name);
        if (!seenNonPseudoHeader && !name.isEmpty() && name.byteAt(0) != PSEUDO_HEADER_TOKEN) {
            seenNonPseudoHeader = true;
        } else if (seenNonPseudoHeader && !name.isEmpty() && name.byteAt(0) == PSEUDO_HEADER_TOKEN) {
            throw new IllegalArgumentException(
                 "otherHeaders name at index " + i + " is a pseudo header that appears after non-pseudo headers.");
        }
        if (otherHeaders[i + 1] == null) {
            throw new IllegalArgumentException("otherHeaders value at index " + (i + 1) + " is null");
        }
    }
}
 

private static void convertHeaders(HttpHeaders headers, MimeHeaders cHeaders) {
    if (headers.isEmpty()) {
        return;
    }

    for (Entry<AsciiString, String> e : headers) {
        final AsciiString k = e.getKey();
        final String v = e.getValue();

        if (k.isEmpty() || k.byteAt(0) == ':') {
            continue;
        }

        final MessageBytes cValue = cHeaders.addValue(k.array(), k.arrayOffset(), k.length());
        final byte[] valueBytes = v.getBytes(StandardCharsets.US_ASCII);
        cValue.setBytes(valueBytes, 0, valueBytes.length);
    }
}
 

/**
 * Indicates whether the specified header follows the pseudo-header format (begins with ':' character)
 *
 * @return {@code true} if the header follow the pseudo-header format
 */
public static boolean hasPseudoHeaderFormat(CharSequence headerName) {
    if (headerName instanceof AsciiString) {
        final AsciiString asciiHeaderName = (AsciiString) headerName;
        return asciiHeaderName.length() > 0 && asciiHeaderName.byteAt(0) == PSEUDO_HEADER_PREFIX_BYTE;
    } else {
        return headerName.length() > 0 && headerName.charAt(0) == PSEUDO_HEADER_PREFIX;
    }
}
 

public static int getInt(AsciiString memory) {
    return  (memory.byteAt(0)  & 0xff) << 24 |
            (memory.byteAt(1)  & 0xff) << 16 |
            (memory.byteAt(2)  & 0xff) <<  8 |
            memory.byteAt(3) & 0xff;
}
 

@Override
boolean isFirstGroup(AsciiString name) {
    // Pseudo headers must come first during iteration.
    return !name.isEmpty() && name.byteAt(0) == ':';
}