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