updates for sparql data getter and updates to data getter utils
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hjkhjk54
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5 changed files with 274 additions and 7 deletions
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@ -3,12 +3,20 @@ package edu.cornell.mannlib.vitro.webapp.utils.dataGetter;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.InvocationTargetException;
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import java.net.URLEncoder;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Enumeration;
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import java.util.List;
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import java.util.Map;
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import javax.servlet.ServletContext;
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import org.apache.commons.lang.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.json.JSONArray;
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import org.json.JSONObject;
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import com.hp.hpl.jena.query.Query;
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import com.hp.hpl.jena.query.QueryExecution;
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@ -17,13 +25,26 @@ import com.hp.hpl.jena.query.QueryFactory;
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import com.hp.hpl.jena.query.QuerySolution;
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import com.hp.hpl.jena.query.QuerySolutionMap;
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import com.hp.hpl.jena.query.ResultSet;
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import com.hp.hpl.jena.rdf.model.Literal;
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import com.hp.hpl.jena.rdf.model.Model;
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import com.hp.hpl.jena.rdf.model.RDFNode;
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import com.hp.hpl.jena.rdf.model.Resource;
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import com.hp.hpl.jena.rdf.model.ResourceFactory;
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import com.hp.hpl.jena.shared.Lock;
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import com.hp.hpl.jena.vocabulary.OWL;
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import edu.cornell.mannlib.vitro.webapp.beans.DataProperty;
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import edu.cornell.mannlib.vitro.webapp.beans.Individual;
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import edu.cornell.mannlib.vitro.webapp.beans.VClass;
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import edu.cornell.mannlib.vitro.webapp.controller.Controllers;
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import edu.cornell.mannlib.vitro.webapp.controller.JsonServlet;
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import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
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import edu.cornell.mannlib.vitro.webapp.controller.freemarker.IndividualListController;
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import edu.cornell.mannlib.vitro.webapp.controller.freemarker.UrlBuilder;
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import edu.cornell.mannlib.vitro.webapp.controller.freemarker.IndividualListController.PageRecord;
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import edu.cornell.mannlib.vitro.webapp.dao.DisplayVocabulary;
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import edu.cornell.mannlib.vitro.webapp.dao.VitroVocabulary;
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import edu.cornell.mannlib.vitro.webapp.dao.WebappDaoFactory;
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import edu.cornell.mannlib.vitro.webapp.utils.pageDataGetter.PageDataGetterUtils;
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public class DataGetterUtils {
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@ -180,13 +201,205 @@ public class DataGetterUtils {
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}
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throw new IllegalAccessException("No useful type defined for <" + dataGetterURI + ">");
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}
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//Copied from PageDaoJena
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static protected String nodeToString( RDFNode node ){
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if( node == null ){
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return "";
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}else if( node.isLiteral() ){
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Literal literal = node.asLiteral();
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return literal.getLexicalForm();
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}else if( node.isURIResource() ){
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Resource resource = node.asResource();
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return resource.getURI();
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}else if( node.isAnon() ){
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Resource resource = node.asResource();
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return resource.getId().getLabelString(); //get b-node id
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}else{
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return "";
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}
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}
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static final String prefixes =
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"PREFIX rdf: <" + VitroVocabulary.RDF +"> \n" +
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"PREFIX rdfs: <" + VitroVocabulary.RDFS +"> \n" +
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"PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> \n" +
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"PREFIX display: <" + DisplayVocabulary.DISPLAY_NS +"> \n";
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//This query is used in more than one place, so can be placed here
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//An alternative is to have individuals for classes data getter extend classgroupdatagetter
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//This currently assumes one class group uri per data getter, but this can be extended
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/**
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* For page data getter conversions
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*/
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/**
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* Get Individual count for Solr query for intersection of multiple classes
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*/
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public static long getIndividualCountForIntersection(VitroRequest vreq, ServletContext context, List<String> classUris) {
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return IndividualListController.getIndividualCount(classUris, vreq.getWebappDaoFactory().getIndividualDao(), context);
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}
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//Return data getter type to be employed in display model
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public static String generateDataGetterTypeURI(String dataGetterClassName) {
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return "java:" + dataGetterClassName;
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}
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public static final String getClassGroupForDataGetter(Model displayModel, String dataGetterURI) {
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String classGroupUri = null;
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QuerySolutionMap initBindings = new QuerySolutionMap();
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initBindings.add("dataGetterURI", ResourceFactory.createResource(dataGetterURI));
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int count = 0;
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//Get the class group
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Query dataGetterConfigurationQuery = QueryFactory.create(classGroupForDataGetterQuery) ;
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displayModel.enterCriticalSection(Lock.READ);
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try{
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QueryExecution qexec = QueryExecutionFactory.create(
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dataGetterConfigurationQuery, displayModel, initBindings) ;
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ResultSet res = qexec.execSelect();
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try{
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while( res.hasNext() ){
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count++;
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QuerySolution soln = res.next();
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//model is OPTIONAL
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RDFNode node = soln.getResource("classGroupUri");
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if( node != null && node.isURIResource() ){
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classGroupUri = node.asResource().getURI();
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}else{
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classGroupUri = null;
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}
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}
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}finally{ qexec.close(); }
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}finally{ displayModel.leaveCriticalSection(); }
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return classGroupUri;
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}
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/**
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* Process results related to VClass or vclasses. Handles both single and multiple vclasses being sent.
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*/
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public static JSONObject processVclassResultsJSON(Map<String, Object> map, VitroRequest vreq, boolean multipleVclasses) {
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JSONObject rObj = new JSONObject();
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VClass vclass=null;
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try {
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// Properties from ontologies used by VIVO - should not be in vitro
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DataProperty fNameDp = (new DataProperty());
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fNameDp.setURI("http://xmlns.com/foaf/0.1/firstName");
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DataProperty lNameDp = (new DataProperty());
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lNameDp.setURI("http://xmlns.com/foaf/0.1/lastName");
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DataProperty preferredTitleDp = (new DataProperty());
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preferredTitleDp.setURI("http://vivoweb.org/ontology/core#preferredTitle");
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if( log.isDebugEnabled() ){
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@SuppressWarnings("unchecked")
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Enumeration<String> e = vreq.getParameterNames();
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while(e.hasMoreElements()){
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String name = (String)e.nextElement();
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log.debug("parameter: " + name);
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for( String value : vreq.getParameterValues(name) ){
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log.debug("value for " + name + ": '" + value + "'");
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}
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}
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}
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//need an unfiltered dao to get firstnames and lastnames
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WebappDaoFactory fullWdf = vreq.getFullWebappDaoFactory();
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String[] vitroClassIdStr = vreq.getParameterValues("vclassId");
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if ( vitroClassIdStr != null && vitroClassIdStr.length > 0){
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for(String vclassId: vitroClassIdStr) {
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vclass = vreq.getWebappDaoFactory().getVClassDao().getVClassByURI(vclassId);
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if (vclass == null) {
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log.error("Couldn't retrieve vclass ");
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throw new Exception ("Class " + vclassId + " not found");
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}
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}
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}else{
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log.error("parameter vclassId URI parameter expected ");
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throw new Exception("parameter vclassId URI parameter expected ");
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}
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List<String> vclassIds = Arrays.asList(vitroClassIdStr);
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//if single vclass expected, then include vclass. This relates to what the expected behavior is, not size of list
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if(!multipleVclasses) {
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//currently used for ClassGroupPage
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rObj.put("vclass",
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new JSONObject().put("URI",vclass.getURI())
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.put("name",vclass.getName()));
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} else {
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//For now, utilize very last VClass (assume that that is the one to be employed)
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//TODO: Find more general way of dealing with this
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//put multiple ones in?
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if(vclassIds.size() > 0) {
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int numberVClasses = vclassIds.size();
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vclass = vreq.getWebappDaoFactory().getVClassDao().getVClassByURI(vclassIds.get(numberVClasses - 1));
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rObj.put("vclass", new JSONObject().put("URI",vclass.getURI())
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.put("name",vclass.getName()));
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}
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// rObj.put("vclasses", new JSONObject().put("URIs",vitroClassIdStr)
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// .put("name",vclass.getName()));
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}
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if (vclass != null) {
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rObj.put("totalCount", map.get("totalCount"));
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rObj.put("alpha", map.get("alpha"));
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List<Individual> inds = (List<Individual>)map.get("entities");
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log.debug("Number of individuals returned from request: " + inds.size());
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JSONArray jInds = new JSONArray();
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for(Individual ind : inds ){
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JSONObject jo = new JSONObject();
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jo.put("URI", ind.getURI());
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jo.put("label",ind.getRdfsLabel());
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jo.put("name",ind.getName());
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jo.put("thumbUrl", ind.getThumbUrl());
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jo.put("imageUrl", ind.getImageUrl());
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jo.put("profileUrl", UrlBuilder.getIndividualProfileUrl(ind, vreq));
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jo.put("mostSpecificTypes", JsonServlet.getMostSpecificTypes(ind,fullWdf));
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jo.put("preferredTitle", JsonServlet.getDataPropertyValue(ind, preferredTitleDp, fullWdf));
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jInds.put(jo);
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}
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rObj.put("individuals", jInds);
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JSONArray wpages = new JSONArray();
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//Made sure that PageRecord here is SolrIndividualListController not IndividualListController
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List<PageRecord> pages = (List<PageRecord>)map.get("pages");
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for( PageRecord pr: pages ){
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JSONObject p = new JSONObject();
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p.put("text", pr.text);
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p.put("param", pr.param);
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p.put("index", pr.index);
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wpages.put( p );
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}
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rObj.put("pages",wpages);
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JSONArray jletters = new JSONArray();
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List<String> letters = Controllers.getLetters();
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for( String s : letters){
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JSONObject jo = new JSONObject();
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jo.put("text", s);
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jo.put("param", "alpha=" + URLEncoder.encode(s, "UTF-8"));
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jletters.put( jo );
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}
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rObj.put("letters", jletters);
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}
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} catch(Exception ex) {
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log.error("Error occurred in processing JSON object", ex);
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}
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return rObj;
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}
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private static final String forClassGroupURI = "<" + DisplayVocabulary.FOR_CLASSGROUP + ">";
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private static final String classGroupForDataGetterQuery =
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"PREFIX display: <" + DisplayVocabulary.DISPLAY_NS +"> \n" +
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"SELECT ?classGroupUri WHERE { \n" +
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" ?dataGetterUri "+forClassGroupURI+" ?classGroupUri . \n" +
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"}";
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}
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@ -206,14 +206,14 @@ public class SparqlQueryDataGetter extends DataGetterBase implements DataGetter{
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public static final String defaultVarNameForResults = "results";
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/**
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* Query to get the definition of the SparqlDataGetter for a given URI.
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* Query to get the definition of the SparqlDataGetter for a given data getter URI.
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*/
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private static final String dataGetterQuery =
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"PREFIX display: <" + DisplayVocabulary.DISPLAY_NS +"> \n" +
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"SELECT ?query ?saveToVar ?model WHERE { \n" +
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" ?pageUri "+queryPropertyURI+" ?query . \n" +
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" OPTIONAL{ ?pageUri "+saveToVarPropertyURI+" ?saveToVar } \n " +
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" OPTIONAL{ ?pageUri "+queryModelPropertyURI+" ?queryModel } \n" +
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" ?dataGetterUri "+queryPropertyURI+" ?query . \n" +
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" OPTIONAL{ ?dataGetterUri "+saveToVarPropertyURI+" ?saveToVar } \n " +
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" OPTIONAL{ ?dataGetterUri "+queryModelPropertyURI+" ?model } \n" +
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"}";
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@ -102,7 +102,13 @@ owl:versionInfo
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<http://vitro.mannlib.cornell.edu/ontologies/display/1.1#usesDataGetterClass>
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a owl:DatatypeProperty .
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###Custom data getters that may or may not be associated with a page use the following relationships
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###E.g. sparql data getters can specify the query to be used as well as what variable in the template
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###should store the results
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<http://vitro.mannlib.cornell.edu/ontologies/display/1.1#saveToVar>
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a owl:DatatypeProperty .
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<http://vitro.mannlib.cornell.edu/ontologies/display/1.1#query>
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a owl:DatatypeProperty .
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######### Object Properties#########
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###Basic
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rdfs:range
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@ -173,4 +179,7 @@ owl:topObjectProperty
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<http://vitro.mannlib.cornell.edu/ontologies/display/1.1#restrictResultsByClass>
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a owl:ObjectProperty .
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###Custom data getters that may or may not be associated with a page use the following relationships
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###E.g. sparql data getters can specify what model to use for querying
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<http://vitro.mannlib.cornell.edu/ontologies/display/1.1#queryModel>
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a owl:ObjectProperty .
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13
webapp/web/css/menupage/sparqlresults.css
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13
webapp/web/css/menupage/sparqlresults.css
Normal file
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@ -0,0 +1,13 @@
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.resultRow {
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float:none;
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clear:both;
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}
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.resultCell {
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float:left;
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border:1px solid #000000;
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}
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.resultHeading {
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font-weight:bold;
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}
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@ -0,0 +1,32 @@
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<#--Save to variable is sparqlResults -->
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<#assign resultsExist = false/>
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<#if sparqlResults?has_content>
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<#assign resultsExist = true/>
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</#if>
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<h3>Sparql Query Results</h3>
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<#if resultsExist>
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<#assign numberRows = sparqlResults?size/>
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<#assign firstRow = false/>
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<#list sparqlResults as resultRow>
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<#assign resultKeys = resultRow?keys />
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<#if firstRow = false>
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<div class="resultHeading resultRow">
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<#list resultKeys as resultKey>
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<div class="resultCell">${resultKey}</div>
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</#list>
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</div>
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<#assign firstRow = true/>
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</#if>
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<div class="resultRow">
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<#list resultKeys as resultKey>
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<div class="resultCell">${resultRow[resultKey]}</div>
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</#list>
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</div>
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</#list>
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<#else>
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No results were returned.
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</#if>
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${stylesheets.add('<link rel="stylesheet" href="${urls.base}/css/menupage/sparqlresults.css" />')}
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