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/*
 * Copied from the DnsJava project
 *
 * Copyright (c) 1998-2011, Brian Wellington.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package io.milton.dns.record;

import io.milton.dns.Address;
import io.milton.dns.Name;

import java.io.*;
import java.net.*;

/**
 * IPv6 Address Record - maps a domain name to an IPv6 address
 *
 * @author Brian Wellington
 */

public class AAAARecord extends Record {

private static final long serialVersionUID = -4588601512069748050L;

private InetAddress address;

AAAARecord() {}

Record
getObject() {
	return new AAAARecord();
}

/**
 * Creates an AAAA Record from the given data
 * @param address The address suffix
 */
public
AAAARecord(Name name, int dclass, long ttl, InetAddress address) {
	super(name, Type.AAAA, dclass, ttl);
	if (Address.familyOf(address) != Address.IPv6)
		throw new IllegalArgumentException("invalid IPv6 address");
	this.address = address;
}

void
rrFromWire(DNSInput in) throws IOException {
	address = InetAddress.getByAddress(in.readByteArray(16));
}

void
rdataFromString(Tokenizer st, Name origin) throws IOException {
	address = st.getAddress(Address.IPv6);
}

/** Converts rdata to a String */
String
rrToString() {
	return address.getHostAddress();
}

/** Returns the address */
public InetAddress
getAddress() {
	return address;
}

void
rrToWire(DNSOutput out, Compression c, boolean canonical) {
	out.writeByteArray(address.getAddress());
}

}