me.melchor9000.net.resolver.DNSResourceData.java Source code

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Here is the source code for me.melchor9000.net.resolver.DNSResourceData.java

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/*
async-net: A basic asynchronous network library, based on netty
Copyright (C) 2016  melchor629 (melchor9000@gmail.com)
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package me.melchor9000.net.resolver;

import io.netty.buffer.ByteBuf;
import me.melchor9000.net.Serializable;

/**
 * Object for {@link DNSResourceRecord} data
 */
abstract class DNSResourceData extends Serializable {
    static DNSResourceData forData(int type, ByteBuf data) {
        data.readUnsignedShort(); //length
        switch (type) {
        case 1:
            return new DNSA(data);
        case 5:
            return new DNSCNAME(data);
        case 15:
            return new DNSMX(data);
        case 28:
            return new DNSAAAA(data);
        default:
            return null;
        }
    }

    DNSResourceData(ByteBuf data) {
        fromByteBuf(data);
    }
}