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package eu.dnetlib.data.collective.transformation.engine.functions;
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import java.util.LinkedList;
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import java.util.List;
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import eu.dnetlib.data.collective.transformation.VocabularyRegistry;
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import org.springframework.beans.factory.annotation.Autowired;
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/**
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* @author jochen
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*/
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public class Convert extends AbstractTransformationFunction {
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public static final String paramVocabularyName = "vocabularyName";
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public static final String paramFieldValue = "fieldValue";
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public static final String paramDefaultPattern = "defaultPattern";
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public static final String paramFunction = "function";
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@Autowired
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private VocabularyRegistry vocabularyRegistry;
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/**
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* not implemented
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*
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* @see eu.dnetlib.data.collective.transformation.engine.functions.AbstractTransformationFunction#execute()
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*/
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public String execute() throws ProcessingException {
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return null;
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}
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/**
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* extracts and returns the encoded value as used in the vocabulary
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*
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* @param vocabularyName the name of the vocabulary to be used
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* @param fieldValues the list of values to normalize
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* @return encoded value
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* @throws ProcessingException
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*/
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public String executeSingleValue(String vocabularyName, List<String> fieldValues) throws ProcessingException {
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if (!vocabularyRegistry.getVocabularies().containsKey(vocabularyName)) {
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throw new ProcessingException("unknown vocabulary: " + vocabularyName);
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}
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String returnValue = vocabularyRegistry.getVocabulary(vocabularyName).encoding(fieldValues);
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return returnValue;
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}
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public List<String> executeAllValues(String vocabularyName, List<String> fieldValues) throws ProcessingException {
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if (!vocabularyRegistry.getVocabularies().containsKey(vocabularyName)) {
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throw new ProcessingException("unknown vocabulary: " + vocabularyName);
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}
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List<String> computedValues = new LinkedList<String>();
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int numOfComputedValues = fieldValues.size();
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if (numOfComputedValues == 0) numOfComputedValues = 1; // return at least 1 value
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String returnValue = vocabularyRegistry.getVocabulary(vocabularyName).encoding(fieldValues);
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for (int i = 0; i < numOfComputedValues; i++) {
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computedValues.add(returnValue);
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}
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return computedValues;
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}
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public List<String> executeFilterByParams(String vocabName, List<String> fieldValues, String defaultPattern, String filterFunction)
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throws ProcessingException {
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return vocabularyRegistry.getVocabulary(vocabName).encoding(fieldValues, defaultPattern, filterFunction);
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}
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public VocabularyRegistry getVocabularyRegistry() {
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return vocabularyRegistry;
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}
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public void setVocabularyRegistry(VocabularyRegistry vocabularyRegistry) {
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this.vocabularyRegistry = vocabularyRegistry;
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}
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}
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