RawUnixChannelOption Class — netty Architecture

Source Code

transport-native-unix-common/src/main/java/io/netty/channel/unix/RawUnixChannelOption.java lines 27–61

public final class RawUnixChannelOption extends GenericUnixChannelOption<ByteBuffer> {

    private final int length;

    /**
     * Creates a new instance.
     *
     * @param name      the name that is used.
     * @param level     the level.
     * @param length    the expected length of the optvalue.
     * @param optname   the optname.
     */
    public RawUnixChannelOption(String name, int level, int optname, int length) {
        super(name, level, optname);
        this.length = ObjectUtil.checkPositive(length, "length");
    }

    /**
     * The length of the optval.
     *
     * @return the length.
     */
    public int length() {
        return length;
    }

    @Override
    public void validate(ByteBuffer value) {
        super.validate(value);
        if (value.remaining() != length) {
            throw new IllegalArgumentException("Length of value does not match. Expected "
                    + length + ", but got " + value.remaining());
        }
    }
}