| // Copyright (c) 2004 Brian Wellington (bwelling@xbill.org) |
| |
| package org.xbill.DNS; |
| |
| import java.io.*; |
| |
| /** |
| * The NULL Record. This has no defined purpose, but can be used to |
| * hold arbitrary data. |
| * |
| * @author Brian Wellington |
| */ |
| |
| public class NULLRecord extends Record { |
| |
| private static final long serialVersionUID = -5796493183235216538L; |
| |
| private byte [] data; |
| |
| NULLRecord() {} |
| |
| Record |
| getObject() { |
| return new NULLRecord(); |
| } |
| |
| /** |
| * Creates a NULL record from the given data. |
| * @param data The contents of the record. |
| */ |
| public |
| NULLRecord(Name name, int dclass, long ttl, byte [] data) { |
| super(name, Type.NULL, dclass, ttl); |
| |
| if (data.length > 0xFFFF) { |
| throw new IllegalArgumentException("data must be <65536 bytes"); |
| } |
| this.data = data; |
| } |
| |
| void |
| rrFromWire(DNSInput in) throws IOException { |
| data = in.readByteArray(); |
| } |
| |
| void |
| rdataFromString(Tokenizer st, Name origin) throws IOException { |
| throw st.exception("no defined text format for NULL records"); |
| } |
| |
| String |
| rrToString() { |
| return unknownToString(data); |
| } |
| |
| /** Returns the contents of this record. */ |
| public byte [] |
| getData() { |
| return data; |
| } |
| |
| void |
| rrToWire(DNSOutput out, Compression c, boolean canonical) { |
| out.writeByteArray(data); |
| } |
| |
| } |