/**
* Looks up Records in the Zone. This follows CNAMEs and wildcards.
*
* @param name The name to look up
* @param type The type to look up
* @return A SetResponse object
* @see SetResponse
*/
public SetResponse findRecords(Name name, short type) {
SetResponse zr = null;
Object o = findSets(name, type);
if (o == null) {
/* The name does not exist */
if (name.isWild()) return SetResponse.ofType(SetResponse.NXDOMAIN);
int labels = name.labels() - origin.labels();
if (labels == 0) return SetResponse.ofType(SetResponse.NXDOMAIN);
if (hasWild) {
SetResponse sr;
Name tname = name;
do {
sr = findRecords(tname.wild(1), type);
if (!sr.isNXDOMAIN()) return sr;
tname = new Name(tname, 1);
} while (labels-- >= 1);
return sr;
} else return SetResponse.ofType(SetResponse.NXDOMAIN);
}
if (o instanceof TypeMap) {
/* The name exists but the type does not. */
return SetResponse.ofType(SetResponse.NXRRSET);
}
Object[] objects;
RRset rrset;
if (o instanceof RRset) {
objects = null;
rrset = (RRset) o;
} else {
objects = (Object[]) o;
rrset = (RRset) objects[0];
}
if (name.equals(rrset.getName())) {
if (type != Type.CNAME && type != Type.ANY && rrset.getType() == Type.CNAME)
zr = new SetResponse(SetResponse.CNAME, rrset);
else if (rrset.getType() == Type.NS && !name.equals(origin))
zr = new SetResponse(SetResponse.DELEGATION, rrset);
else {
zr = new SetResponse(SetResponse.SUCCESSFUL);
zr.addRRset(rrset);
if (objects != null) {
for (int i = 1; i < objects.length; i++) zr.addRRset((RRset) objects[i]);
}
}
} else {
if (rrset.getType() == Type.CNAME) return SetResponse.ofType(SetResponse.NXDOMAIN);
else if (rrset.getType() == Type.DNAME) {
zr = new SetResponse(SetResponse.DNAME, rrset);
} else if (rrset.getType() == Type.NS) {
zr = new SetResponse(SetResponse.DELEGATION, rrset);
}
}
return zr;
}
