Shuyi Chen | d7955ce | 2013-05-22 14:51:55 -0700 | [diff] [blame] | 1 | // Copyright (c) 2004 Brian Wellington (bwelling@xbill.org) |
| 2 | |
| 3 | package org.xbill.DNS; |
| 4 | |
| 5 | import java.io.*; |
| 6 | |
| 7 | /** |
| 8 | * ISDN - identifies the ISDN number and subaddress associated with a name. |
| 9 | * |
| 10 | * @author Brian Wellington |
| 11 | */ |
| 12 | |
| 13 | public class ISDNRecord extends Record { |
| 14 | |
| 15 | private static final long serialVersionUID = -8730801385178968798L; |
| 16 | |
| 17 | private byte [] address; |
| 18 | private byte [] subAddress; |
| 19 | |
| 20 | ISDNRecord() {} |
| 21 | |
| 22 | Record |
| 23 | getObject() { |
| 24 | return new ISDNRecord(); |
| 25 | } |
| 26 | |
| 27 | /** |
| 28 | * Creates an ISDN Record from the given data |
| 29 | * @param address The ISDN number associated with the domain. |
| 30 | * @param subAddress The subaddress, if any. |
| 31 | * @throws IllegalArgumentException One of the strings is invalid. |
| 32 | */ |
| 33 | public |
| 34 | ISDNRecord(Name name, int dclass, long ttl, String address, String subAddress) { |
| 35 | super(name, Type.ISDN, dclass, ttl); |
| 36 | try { |
| 37 | this.address = byteArrayFromString(address); |
| 38 | if (subAddress != null) |
| 39 | this.subAddress = byteArrayFromString(subAddress); |
| 40 | } |
| 41 | catch (TextParseException e) { |
| 42 | throw new IllegalArgumentException(e.getMessage()); |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | void |
| 47 | rrFromWire(DNSInput in) throws IOException { |
| 48 | address = in.readCountedString(); |
| 49 | if (in.remaining() > 0) |
| 50 | subAddress = in.readCountedString(); |
| 51 | } |
| 52 | |
| 53 | void |
| 54 | rdataFromString(Tokenizer st, Name origin) throws IOException { |
| 55 | try { |
| 56 | address = byteArrayFromString(st.getString()); |
| 57 | Tokenizer.Token t = st.get(); |
| 58 | if (t.isString()) { |
| 59 | subAddress = byteArrayFromString(t.value); |
| 60 | } else { |
| 61 | st.unget(); |
| 62 | } |
| 63 | } |
| 64 | catch (TextParseException e) { |
| 65 | throw st.exception(e.getMessage()); |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Returns the ISDN number associated with the domain. |
| 71 | */ |
| 72 | public String |
| 73 | getAddress() { |
| 74 | return byteArrayToString(address, false); |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Returns the ISDN subaddress, or null if there is none. |
| 79 | */ |
| 80 | public String |
| 81 | getSubAddress() { |
| 82 | if (subAddress == null) |
| 83 | return null; |
| 84 | return byteArrayToString(subAddress, false); |
| 85 | } |
| 86 | |
| 87 | void |
| 88 | rrToWire(DNSOutput out, Compression c, boolean canonical) { |
| 89 | out.writeCountedString(address); |
| 90 | if (subAddress != null) |
| 91 | out.writeCountedString(subAddress); |
| 92 | } |
| 93 | |
| 94 | String |
| 95 | rrToString() { |
| 96 | StringBuffer sb = new StringBuffer(); |
| 97 | sb.append(byteArrayToString(address, true)); |
| 98 | if (subAddress != null) { |
| 99 | sb.append(" "); |
| 100 | sb.append(byteArrayToString(subAddress, true)); |
| 101 | } |
| 102 | return sb.toString(); |
| 103 | } |
| 104 | |
| 105 | } |