dnet-hadoop/dhp-common/src/main/java/eu/dnetlib/dhp/schema/oaf/utils/SubjectProvenanceComparator...

47 lines
1.1 KiB
Java

package eu.dnetlib.dhp.schema.oaf.utils;
import static eu.dnetlib.dhp.schema.oaf.utils.OafMapperUtils.getProvenance;
import static org.apache.commons.lang3.StringUtils.isBlank;
import java.util.Comparator;
import eu.dnetlib.dhp.schema.oaf.Subject;
public class SubjectProvenanceComparator implements Comparator<Subject> {
@Override
public int compare(Subject left, Subject right) {
String lProv = getProvenance(left.getDataInfo());
String rProv = getProvenance(right.getDataInfo());
if (isBlank(lProv) && isBlank(rProv))
return 0;
if (isBlank(lProv))
return 1;
if (isBlank(rProv))
return -1;
if (lProv.equals(rProv))
return 0;
if (lProv.toLowerCase().contains("crosswalk"))
return -1;
if (rProv.toLowerCase().contains("crosswalk"))
return 1;
if (lProv.toLowerCase().contains("user"))
return -1;
if (rProv.toLowerCase().contains("user"))
return 1;
if (lProv.toLowerCase().contains("propagation"))
return -1;
if (rProv.toLowerCase().contains("propagation"))
return 1;
if (lProv.toLowerCase().contains("iis"))
return -1;
if (rProv.toLowerCase().contains("iis"))
return 1;
return 0;
}
}