import org.opengis.metadata.citation.Citation; //导入依赖的package包/类
private void referenceDocument(Citation citation) {
    System.out.println(citation.getTitle());
    System.out.println(citation.getTitle().toString(Locale.FRENCH));
    
    System.out.println(citation.getIdentifiers());
    System.out.println(citation.getAlternateTitles());
}
 

import org.opengis.metadata.citation.Citation; //导入依赖的package包/类
public Citation getAuthority() {
    throw new UnsupportedOperationException();
}
 

import org.opengis.metadata.citation.Citation; //导入依赖的package包/类
@Override
public Citation getAuthority() {
	// TODO Auto-generated method stub
	return null;
}