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a commons library extracted from vproxy base module

There is a newer version: 1.4.0

package io.vproxy.vpacket.dhcp.options;

import io.vproxy.vpacket.dhcp.DHCPOption;
import io.vproxy.base.util.ByteArray;
import io.vproxy.base.util.Consts;

public class EndOption extends DHCPOption {
    public EndOption() {
        type = Consts.DHCP_OPT_TYPE_END;
    }

    @Override
    public ByteArray serialize() {
        return ByteArray.from(Consts.DHCP_OPT_TYPE_END);
    }

    @Override
    public int deserialize(ByteArray arr) throws Exception {
        if (arr.length() < 1) {
            throw new Exception("input too short for dhcp option (end): cannot read type");
        }
        type = arr.get(0);
        return 1;
    }

    @Override
    public String toString() {
        return "EndOption{}";
    }
}