Shuyi Chen | d7955ce | 2013-05-22 14:51:55 -0700 | [diff] [blame] | 1 | // Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org) |
| 2 | |
| 3 | package org.xbill.DNS; |
| 4 | |
| 5 | /** |
| 6 | * Mail Exchange - specifies where mail to a domain is sent |
| 7 | * |
| 8 | * @author Brian Wellington |
| 9 | */ |
| 10 | |
| 11 | public class MXRecord extends U16NameBase { |
| 12 | |
| 13 | private static final long serialVersionUID = 2914841027584208546L; |
| 14 | |
| 15 | MXRecord() {} |
| 16 | |
| 17 | Record |
| 18 | getObject() { |
| 19 | return new MXRecord(); |
| 20 | } |
| 21 | |
| 22 | /** |
| 23 | * Creates an MX Record from the given data |
| 24 | * @param priority The priority of this MX. Records with lower priority |
| 25 | * are preferred. |
| 26 | * @param target The host that mail is sent to |
| 27 | */ |
| 28 | public |
| 29 | MXRecord(Name name, int dclass, long ttl, int priority, Name target) { |
| 30 | super(name, Type.MX, dclass, ttl, priority, "priority", |
| 31 | target, "target"); |
| 32 | } |
| 33 | |
| 34 | /** Returns the target of the MX record */ |
| 35 | public Name |
| 36 | getTarget() { |
| 37 | return getNameField(); |
| 38 | } |
| 39 | |
| 40 | /** Returns the priority of this MX record */ |
| 41 | public int |
| 42 | getPriority() { |
| 43 | return getU16Field(); |
| 44 | } |
| 45 | |
| 46 | void |
| 47 | rrToWire(DNSOutput out, Compression c, boolean canonical) { |
| 48 | out.writeU16(u16Field); |
| 49 | nameField.toWire(out, c, canonical); |
| 50 | } |
| 51 | |
| 52 | public Name |
| 53 | getAdditionalName() { |
| 54 | return getNameField(); |
| 55 | } |
| 56 | |
| 57 | } |