/**
* @param rec
* @return Field
*/
public static MarcField getAuthorityMainHeading(MarcRecord rec) {
for (Object o : rec.getFields()) {
MarcField fld = (MarcField) o;
if (fld.getTag() >= 200 && fld.getTag() < 300) {
return fld;
}
}
return null;
}
/**
* @param rec
* @return int
*/
public static int findAuthorityType(MarcRecord rec) {
MarcField mainHeading = getAuthorityMainHeading(rec);
if (mainHeading == null) return AT_UNKNOWN;
int tag200 = mainHeading.getTag();
// String sistema=MarcUtil.getSingleFieldValue("152",'b',rec);
if (tag200 == 200 || tag200 == 210 || tag200 == 220) {
String scx = mainHeading.getSingleSubfieldValue('x');
return scx == null ? AT_AUTHOR : AT_SUBJECT;
} else return AT_SUBJECT;
}