Question.java

package org.zarroboogs.smartzpn.dns;

import java.nio.ByteBuffer;

public class Question {
    public String Domain;
    public short Type;
    public short Class;

    private int offset;

    public int Offset() {
        return offset;
    }

    private int length;

    public int Length() {
        return length;
    }

    public static Question FromBytes(ByteBuffer buffer) {
        Question q = new Question();
        q.offset = buffer.arrayOffset() + buffer.position();
        q.Domain = DnsPacket.ReadDomain(buffer, buffer.arrayOffset());
        q.Type = buffer.getShort();
        q.Class = buffer.getShort();
        q.length = buffer.arrayOffset() + buffer.position() - q.offset;
        return q;
    }

    public void ToBytes(ByteBuffer buffer) {
        this.offset = buffer.position();
        DnsPacket.WriteDomain(this.Domain, buffer);
        buffer.putShort(this.Type);
        buffer.putShort(this.Class);
        this.length = buffer.position() - this.offset;
    }

    @Override
    public String toString() {
        return Domain;
    }
}