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// Copyright (c) 2004 Brian Wellington ([email protected])

package org.xbill.DNS;

import java.io.*;

/**
 * X.400 mail mapping record.
 *
 * @author Brian Wellington
 */

public class PXRecord extends Record {

private static final long serialVersionUID = 1811540008806660667L;

private int preference;
private Name map822;
private Name mapX400;

PXRecord() {}

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

/**
 * Creates an PX Record from the given data
 * @param preference The preference of this mail address.
 * @param map822 The RFC 822 component of the mail address.
 * @param mapX400 The X.400 component of the mail address.
 */
public
PXRecord(Name name, int dclass, long ttl, int preference,
	 Name map822, Name mapX400)
{
	super(name, Type.PX, dclass, ttl);

	this.preference = checkU16("preference", preference);
	this.map822 = checkName("map822", map822);
	this.mapX400 = checkName("mapX400", mapX400);
}

void
rrFromWire(DNSInput in) throws IOException {
	preference = in.readU16();
	map822 = new Name(in);
	mapX400 = new Name(in);
}

void
rdataFromString(Tokenizer st, Name origin) throws IOException {
	preference = st.getUInt16();
	map822 = st.getName(origin);
	mapX400 = st.getName(origin);
}

/** Converts the PX Record to a String */
String
rrToString() {
	StringBuffer sb = new StringBuffer();
	sb.append(preference);
	sb.append(" ");
	sb.append(map822);
	sb.append(" ");
	sb.append(mapX400);
	return sb.toString();
}

void
rrToWire(DNSOutput out, Compression c, boolean canonical) {
	out.writeU16(preference);
	map822.toWire(out, null, canonical);
	mapX400.toWire(out, null, canonical);
}

/** Gets the preference of the route. */
public int
getPreference() {
	return preference;
}

/** Gets the RFC 822 component of the mail address. */
public Name
getMap822() {
	return map822;
}

/** Gets the X.400 component of the mail address. */
public Name
getMapX400() {
	return mapX400;
}

}