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      1 // Copyright (c) 2004 Brian Wellington (bwelling (at) xbill.org)
      2 
      3 package org.xbill.DNS;
      4 
      5 import java.io.*;
      6 
      7 /**
      8  * X.400 mail mapping record.
      9  *
     10  * @author Brian Wellington
     11  */
     12 
     13 public class PXRecord extends Record {
     14 
     15 private static final long serialVersionUID = 1811540008806660667L;
     16 
     17 private int preference;
     18 private Name map822;
     19 private Name mapX400;
     20 
     21 PXRecord() {}
     22 
     23 Record
     24 getObject() {
     25 	return new PXRecord();
     26 }
     27 
     28 /**
     29  * Creates an PX Record from the given data
     30  * @param preference The preference of this mail address.
     31  * @param map822 The RFC 822 component of the mail address.
     32  * @param mapX400 The X.400 component of the mail address.
     33  */
     34 public
     35 PXRecord(Name name, int dclass, long ttl, int preference,
     36 	 Name map822, Name mapX400)
     37 {
     38 	super(name, Type.PX, dclass, ttl);
     39 
     40 	this.preference = checkU16("preference", preference);
     41 	this.map822 = checkName("map822", map822);
     42 	this.mapX400 = checkName("mapX400", mapX400);
     43 }
     44 
     45 void
     46 rrFromWire(DNSInput in) throws IOException {
     47 	preference = in.readU16();
     48 	map822 = new Name(in);
     49 	mapX400 = new Name(in);
     50 }
     51 
     52 void
     53 rdataFromString(Tokenizer st, Name origin) throws IOException {
     54 	preference = st.getUInt16();
     55 	map822 = st.getName(origin);
     56 	mapX400 = st.getName(origin);
     57 }
     58 
     59 /** Converts the PX Record to a String */
     60 String
     61 rrToString() {
     62 	StringBuffer sb = new StringBuffer();
     63 	sb.append(preference);
     64 	sb.append(" ");
     65 	sb.append(map822);
     66 	sb.append(" ");
     67 	sb.append(mapX400);
     68 	return sb.toString();
     69 }
     70 
     71 void
     72 rrToWire(DNSOutput out, Compression c, boolean canonical) {
     73 	out.writeU16(preference);
     74 	map822.toWire(out, null, canonical);
     75 	mapX400.toWire(out, null, canonical);
     76 }
     77 
     78 /** Gets the preference of the route. */
     79 public int
     80 getPreference() {
     81 	return preference;
     82 }
     83 
     84 /** Gets the RFC 822 component of the mail address. */
     85 public Name
     86 getMap822() {
     87 	return map822;
     88 }
     89 
     90 /** Gets the X.400 component of the mail address. */
     91 public Name
     92 getMapX400() {
     93 	return mapX400;
     94 }
     95 
     96 }
     97