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| /* $This file is distributed under the terms of the license in LICENSE$ */ | ||
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| package edu.cornell.mannlib.vitro.webapp.edit.n3editing.configuration.preprocessors.utils; | ||
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| import static edu.cornell.mannlib.vitro.webapp.dao.DisplayVocabulary.SEARCH_FILTER_VALUE; | ||
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| import java.util.ArrayList; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
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| import javax.servlet.ServletContext; | ||
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| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.fasterxml.jackson.databind.node.ObjectNode; | ||
| import edu.cornell.mannlib.vitro.webapp.dao.DisplayVocabulary; | ||
| import edu.cornell.mannlib.vitro.webapp.dao.VitroVocabulary; | ||
| import edu.cornell.mannlib.vitro.webapp.edit.n3editing.VTwo.fields.FieldVTwo; | ||
| import edu.cornell.mannlib.vitro.webapp.utils.dataGetter.SearchFilterValuesDataGetter; | ||
| import org.apache.commons.logging.Log; | ||
| import org.apache.commons.logging.LogFactory; | ||
| import org.apache.jena.ontology.OntModel; | ||
| import org.apache.jena.query.Query; | ||
| import org.apache.jena.query.QueryExecution; | ||
| import org.apache.jena.query.QueryExecutionFactory; | ||
| import org.apache.jena.query.QueryFactory; | ||
| import org.apache.jena.query.QuerySolution; | ||
| import org.apache.jena.query.ResultSet; | ||
| import org.apache.jena.rdf.model.Literal; | ||
| import org.apache.jena.rdf.model.Resource; | ||
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| //Returns the appropriate n3 based on data getter | ||
| public class ProcessSearchFilterValuesDataGetterN3 extends ProcessDataGetterAbstract { | ||
| private static String classType = "java:" + SearchFilterValuesDataGetter.class.getCanonicalName(); | ||
| public static String searchFilterVarBase = "filterUri"; | ||
| private Log log = LogFactory.getLog(ProcessSearchFilterValuesDataGetterN3.class); | ||
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| public ProcessSearchFilterValuesDataGetterN3() { | ||
| } | ||
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| public List<String> retrieveN3Required(int counter) { | ||
| return retrieveN3ForTypeAndFilter(counter); | ||
| } | ||
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| public List<String> retrieveN3Optional(int counter) { | ||
| return null; | ||
| } | ||
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| public List<String> retrieveN3ForTypeAndFilter(int counter) { | ||
| String n3ForType = getN3ForTypePartial(counter); | ||
| String n3 = n3ForType + "; \n" + "<" + DisplayVocabulary.SEARCH_FILTER_VALUE + "> " | ||
| + getN3VarName(searchFilterVarBase, counter) + " ."; | ||
| List<String> n3List = new ArrayList<String>(); | ||
| n3List.add(getPrefixes() + n3); | ||
| return n3List; | ||
| } | ||
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| public String getN3ForTypePartial(int counter) { | ||
| String dataGetterVar = getDataGetterVar(counter); | ||
| String classTypeVar = getN3VarName(classTypeVarBase, counter); | ||
| String n3 = dataGetterVar + " a " + classTypeVar; | ||
| return n3; | ||
| } | ||
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| public List<String> retrieveLiteralsOnForm(int counter) { | ||
| // no literals, just the class group URI | ||
| List<String> literalsOnForm = new ArrayList<String>(); | ||
| return literalsOnForm; | ||
| } | ||
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| public List<String> retrieveUrisOnForm(int counter) { | ||
| List<String> urisOnForm = new ArrayList<String>(); | ||
| urisOnForm.add(getVarName("filterUri", counter)); | ||
| urisOnForm.add(getVarName(classTypeVarBase, counter)); | ||
| return urisOnForm; | ||
| } | ||
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| public List<FieldVTwo> retrieveFields(int counter) { | ||
| List<FieldVTwo> fields = new ArrayList<FieldVTwo>(); | ||
| fields.add(new FieldVTwo().setName(getVarName("filterUri", counter))); | ||
| fields.add(new FieldVTwo().setName(getVarName(classTypeVarBase, counter))); | ||
| return fields; | ||
| } | ||
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| public List<String> getLiteralVarNamesBase() { | ||
| return Arrays.asList(); | ||
| } | ||
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| public List<String> getUriVarNamesBase() { | ||
| return Arrays.asList("filterUri", classTypeVarBase); | ||
| } | ||
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| public String getClassType() { | ||
| return classType; | ||
| } | ||
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| public void populateExistingValues(String dataGetterURI, int counter, OntModel queryModel) { | ||
| // First, put dataGetterURI within scope as well | ||
| this.populateExistingDataGetterURI(dataGetterURI, counter); | ||
| // Put in type | ||
| this.populateExistingClassType(this.getClassType(), counter); | ||
| // Sparql queries for values to be executed | ||
| // And then placed in the correct place/literal or uri | ||
| String querystr = getExistingValuesClassGroup(dataGetterURI); | ||
| QueryExecution qe = null; | ||
| try { | ||
| Query query = QueryFactory.create(querystr); | ||
| qe = QueryExecutionFactory.create(query, queryModel); | ||
| ResultSet results = qe.execSelect(); | ||
| while (results.hasNext()) { | ||
| QuerySolution qs = results.nextSolution(); | ||
| Resource classGroupResource = qs.getResource("filterUri"); | ||
| // Put both literals in existing literals | ||
| existingUriValues.put(this.getVarName(searchFilterVarBase, counter), | ||
| new ArrayList<String>(Arrays.asList(classGroupResource.getURI()))); | ||
| } | ||
| } catch (Exception ex) { | ||
| log.error("Exception occurred in retrieving existing values with query " + querystr, ex); | ||
| } | ||
| } | ||
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| protected String getExistingValuesClassGroup(String dataGetterURI) { | ||
| String query = getSparqlPrefix() + "\n" + | ||
| "SELECT ?filterUri ?filterName WHERE {" + | ||
| "<" + dataGetterURI + "> <" + SEARCH_FILTER_VALUE + "> ?filterUri .\n" + | ||
| "?filterUri <" + VitroVocabulary.LABEL + "> ?filterName .\n" + | ||
| "}"; | ||
| return query; | ||
| } | ||
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| public ObjectNode getExistingValuesJSON(String dataGetterURI, OntModel queryModel, ServletContext context) { | ||
| ObjectNode jObject = new ObjectMapper().createObjectNode(); | ||
| jObject.put("dataGetterClass", classType); | ||
| jObject.put(classTypeVarBase, classType); | ||
| getExistingSearchFilters(dataGetterURI, jObject, queryModel); | ||
| return jObject; | ||
| } | ||
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| private void getExistingSearchFilters(String dataGetterURI, ObjectNode jObject, OntModel queryModel) { | ||
| String querystr = getExistingValuesClassGroup(dataGetterURI); | ||
| QueryExecution qe = null; | ||
| try { | ||
| Query query = QueryFactory.create(querystr); | ||
| qe = QueryExecutionFactory.create(query, queryModel); | ||
| ResultSet results = qe.execSelect(); | ||
| while (results.hasNext()) { | ||
| QuerySolution qs = results.nextSolution(); | ||
| Resource filterUri = qs.getResource("filterUri"); | ||
| Literal name = qs.getLiteral("filterName"); | ||
| jObject.put("searchFilterUri", filterUri.getURI()); | ||
| jObject.put("searchFilterName", name.getLexicalForm()); | ||
| } | ||
| } catch (Exception ex) { | ||
| log.error("Exception occurred in retrieving existing values with query " + querystr, ex); | ||
| } | ||
| } | ||
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| } | ||
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ProcessSearchFilterValuesDataGetterN3.searchFilterVarBase instead of "filterUri".