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// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.io.*;
/**
* Start of Authority - describes properties of a zone.
*
* @author Brian Wellington
*/
public class SOARecord extends Record {
private static final long serialVersionUID = 1049740098229303931L;
private Name host, admin;
private long serial, refresh, retry, expire, minimum;
SOARecord() {}
Record
getObject() {
return new SOARecord();
}
/**
* Creates an SOA Record from the given data
* @param host The primary name server for the zone
* @param admin The zone administrator's address
* @param serial The zone's serial number
* @param refresh The amount of time until a secondary checks for a new serial
* number
* @param retry The amount of time between a secondary's checks for a new
* serial number
* @param expire The amount of time until a secondary expires a zone
* @param minimum The minimum TTL for records in the zone
*/
public
SOARecord(Name name, int dclass, long ttl, Name host, Name admin,
long serial, long refresh, long retry, long expire, long minimum)
{
super(name, Type.SOA, dclass, ttl);
this.host = checkName("host", host);
this.admin = checkName("admin", admin);
this.serial = checkU32("serial", serial);
this.refresh = checkU32("refresh", refresh);
this.retry = checkU32("retry", retry);
this.expire = checkU32("expire", expire);
this.minimum = checkU32("minimum", minimum);
}
void
rrFromWire(DNSInput in) throws IOException {
host = new Name(in);
admin = new Name(in);
serial = in.readU32();
refresh = in.readU32();
retry = in.readU32();
expire = in.readU32();
minimum = in.readU32();
}
void
rdataFromString(Tokenizer st, Name origin) throws IOException {
host = st.getName(origin);
admin = st.getName(origin);
serial = st.getUInt32();
refresh = st.getTTLLike();
retry = st.getTTLLike();
expire = st.getTTLLike();
minimum = st.getTTLLike();
}
/** Convert to a String */
String
rrToString() {
StringBuffer sb = new StringBuffer();
sb.append(host);
sb.append(" ");
sb.append(admin);
if (Options.check("multiline")) {
sb.append(" (\n\t\t\t\t\t");
sb.append(serial);
sb.append("\t; serial\n\t\t\t\t\t");
sb.append(refresh);
sb.append("\t; refresh\n\t\t\t\t\t");
sb.append(retry);
sb.append("\t; retry\n\t\t\t\t\t");
sb.append(expire);
sb.append("\t; expire\n\t\t\t\t\t");
sb.append(minimum);
sb.append(" )\t; minimum");
} else {
sb.append(" ");
sb.append(serial);
sb.append(" ");
sb.append(refresh);
sb.append(" ");
sb.append(retry);
sb.append(" ");
sb.append(expire);
sb.append(" ");
sb.append(minimum);
}
return sb.toString();
}
/** Returns the primary name server */
public Name
getHost() {
return host;
}
/** Returns the zone administrator's address */
public Name
getAdmin() {
return admin;
}
/** Returns the zone's serial number */
public long
getSerial() {
return serial;
}
/** Returns the zone refresh interval */
public long
getRefresh() {
return refresh;
}
/** Returns the zone retry interval */
public long
getRetry() {
return retry;
}
/** Returns the time until a secondary expires a zone */
public long
getExpire() {
return expire;
}
/** Returns the minimum TTL for records in the zone */
public long
getMinimum() {
return minimum;
}
void
rrToWire(DNSOutput out, Compression c, boolean canonical) {
host.toWire(out, c, canonical);
admin.toWire(out, c, canonical);
out.writeU32(serial);
out.writeU32(refresh);
out.writeU32(retry);
out.writeU32(expire);
out.writeU32(minimum);
}
}
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