dnet-core/dnet-data-services/src/main/java/eu/dnetlib/data/utility/cleaner/VocabularyRule.java

114 lines
3.5 KiB
Java

package eu.dnetlib.data.utility.cleaner;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.google.common.base.Joiner;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import eu.dnetlib.data.utility.cleaner.rmi.CleanerException;
import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
/**
* @author michele
*
* Vocabulary rules must be declared in a CleanerDS profile, for each vocabulary must be present the relative VocabularyDS profile:
*
* <RULE xpath="..." vocabularies="VOC1" /> <RULE xpath="..." vocabularies="VOC1, VOC2, VOC3" />
*/
public class VocabularyRule extends XPATHCleaningRule {
private Set<String> vocabularies;
private static final Log log = LogFactory.getLog(VocabularyRule.class); // NOPMD by marko on 11/24/08 5:02 PM
private Map<String, String> synonyms = Maps.newHashMap();
private Set<String> validTerms = Sets.newHashSet();
public VocabularyRule(final Set<String> vocabularies, final ISLookUpService lookup) throws CleanerException {
this.vocabularies = vocabularies;
loadSynonymsAndTerms(lookup);
}
@Override
protected String calculateNewValue(final String oldValue) throws CleanerException {
log.debug("calculating new value for: " + oldValue);
if (synonyms.isEmpty()) {
log.warn("Vocabulary terms is void, vocabularies: " + this.vocabularies);
}
String newValue = null;
if (synonyms.containsKey(oldValue.toLowerCase())) {
newValue = synonyms.get(oldValue.toLowerCase());
}
if (newValue == null) {
log.debug("Synonym " + oldValue + " not found in vocabulary");
return oldValue;
}
return newValue;
}
private void loadSynonymsAndTerms(final ISLookUpService lookup) throws CleanerException {
for (final String vocabulary : vocabularies) {
try {
final String query = "for $x in collection('/db/DRIVER/VocabularyDSResources/VocabularyDSResourceType')"
+ "//RESOURCE_PROFILE[.//VOCABULARY_NAME/@code='" + vocabulary + "']//TERM return "
+ "( concat($x/@code,'|-:-|', $x/@code), concat($x/@english_name,'|-:-|', $x/@code), concat($x/@native_name,'|-:-|', $x/@code), "
+ "for $y in $x//SYNONYM return concat($y/@term,'|-:-|', $x/@code) )";
for (final String s : lookup.quickSearchProfile(query)) {
log.debug("SYNONYM : " + s);
final String[] arr = s.split("\\|-:-\\|");
if (arr[0] == null || arr[0].isEmpty()) {
continue;
}
synonyms.put(arr[0].toLowerCase(), arr[1]);
validTerms.add(arr[1].toLowerCase());
}
log.info("VOCABULARY " + vocabulary.trim() + " - terms size " + synonyms.size());
} catch (final Exception e) {
throw new CleanerException("Error obtaining vocabulary " + vocabulary, e);
}
}
}
@Override
protected Map<String, String> verifyValue(final String value) throws CleanerException {
if (synonyms.isEmpty()) {
log.warn("Vocabulary terms is void, vocabularies: " + this.vocabularies);
}
if (validTerms.contains(value.toLowerCase())) { return null; }
final Map<String, String> error = new HashMap<String, String>();
error.put("term", value);
error.put("vocabularies", this.vocabularies.toString().replaceAll("\\[", "").replaceAll("\\]", ""));
error.put("xpath", this.getXpath());
return error;
}
public Map<String, String> getVocabularyTerms() {
return synonyms;
}
@Override
public String toString() {
return "VOCABULARIES: [" + Joiner.on(", ").join(vocabularies) + "]";
}
}