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NIHVIVO-1341 SPARQL version of method to get custom list views for object properties

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rjy7 2010-12-15 17:30:10 +00:00
parent e6934a1623
commit bad4b806e4
1 changed files with 52 additions and 24 deletions
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72
webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/ObjectPropertyDaoJena.java
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@ -13,20 +13,21 @@ import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory; import org.apache.commons.logging.LogFactory;
import com.hp.hpl.jena.datatypes.xsd.XSDDatatype; import com.hp.hpl.jena.datatypes.xsd.XSDDatatype;
import com.hp.hpl.jena.graph.Node;
import com.hp.hpl.jena.ontology.ConversionException; import com.hp.hpl.jena.ontology.ConversionException;
import com.hp.hpl.jena.ontology.OntModel; import com.hp.hpl.jena.ontology.OntModel;
import com.hp.hpl.jena.ontology.OntProperty; import com.hp.hpl.jena.ontology.OntProperty;
import com.hp.hpl.jena.ontology.OntResource; import com.hp.hpl.jena.ontology.OntResource;
import com.hp.hpl.jena.ontology.ProfileException; import com.hp.hpl.jena.ontology.ProfileException;
import com.hp.hpl.jena.query.Query; import com.hp.hpl.jena.query.Query;
import com.hp.hpl.jena.query.QueryExecution;
import com.hp.hpl.jena.query.QueryExecutionFactory;
import com.hp.hpl.jena.query.QueryFactory; import com.hp.hpl.jena.query.QueryFactory;
import com.hp.hpl.jena.query.QuerySolution; import com.hp.hpl.jena.query.QuerySolution;
import com.hp.hpl.jena.query.ResultSet; import com.hp.hpl.jena.query.ResultSet;
import com.hp.hpl.jena.rdf.model.Literal; import com.hp.hpl.jena.rdf.model.Literal;
import com.hp.hpl.jena.rdf.model.NodeIterator;
import com.hp.hpl.jena.rdf.model.Property; import com.hp.hpl.jena.rdf.model.Property;
import com.hp.hpl.jena.rdf.model.RDFNode; import com.hp.hpl.jena.rdf.model.RDFNode;
import com.hp.hpl.jena.rdf.model.ResIterator;
import com.hp.hpl.jena.rdf.model.Resource; import com.hp.hpl.jena.rdf.model.Resource;
import com.hp.hpl.jena.rdf.model.ResourceFactory; import com.hp.hpl.jena.rdf.model.ResourceFactory;
import com.hp.hpl.jena.rdf.model.Statement; import com.hp.hpl.jena.rdf.model.Statement;
@ -71,7 +72,22 @@ public class ObjectPropertyDaoJena extends PropertyDaoJena implements ObjectProp
} }
} }
Map<ObjectProperty, String> customListViewConfigFiles = null; static protected String customListViewConfigFileQueryString =
"PREFIX display: <http://vitro.mannlib.cornell.edu/ontologies/display/1.1#>" +
"SELECT ?property ?filename WHERE { \n" +
" ?property display:customListViewConfigurationFile ?filename . \n" +
"} LIMIT 1";
static protected Query customListViewConfigFileQuery;
static {
try {
customListViewConfigFileQuery = QueryFactory.create(customListViewConfigFileQueryString);
} catch(Throwable th){
log.error("could not create SPARQL query for customListViewConfigFileQueryString " + th.getMessage());
log.error(customListViewConfigFileQueryString);
}
}
Map<ObjectProperty, String> customListViewConfigFileMap = null;
public ObjectPropertyDaoJena(WebappDaoFactoryJena wadf) { public ObjectPropertyDaoJena(WebappDaoFactoryJena wadf) {
super(wadf); super(wadf);
@ -848,8 +864,8 @@ public class ObjectPropertyDaoJena extends PropertyDaoJena implements ObjectProp
ResultSet results = getPropertyQueryResults(subjectUri, objectPropertyQuery); ResultSet results = getPropertyQueryResults(subjectUri, objectPropertyQuery);
List<ObjectProperty> properties = new ArrayList<ObjectProperty>(); List<ObjectProperty> properties = new ArrayList<ObjectProperty>();
while (results.hasNext()) { while (results.hasNext()) {
QuerySolution sol = results.next(); QuerySolution soln = results.next();
Resource resource = sol.getResource("property"); Resource resource = soln.getResource("property");
String uri = resource.getURI(); String uri = resource.getURI();
ObjectProperty property = getObjectPropertyByURI(uri); ObjectProperty property = getObjectPropertyByURI(uri);
properties.add(property); properties.add(property);
@ -859,25 +875,37 @@ public class ObjectPropertyDaoJena extends PropertyDaoJena implements ObjectProp
@Override @Override
public String getCustomListConfigFilename(ObjectProperty op) { public String getCustomListConfigFilename(ObjectProperty op) {
if (customListViewConfigFiles == null) { if (customListViewConfigFileMap == null) {
customListViewConfigFiles = new HashMap<ObjectProperty, String>(); customListViewConfigFileMap = new HashMap<ObjectProperty, String>();
OntModel ontModel = getOntModelSelector().getDisplayModel(); OntModel displayModel = getOntModelSelector().getDisplayModel();
Property listViewConfigProp = ontModel.getProperty(VitroVocabulary.DISPLAY + "customListViewConfigurationFile");
ResIterator resources = ontModel.listResourcesWithProperty(listViewConfigProp); // Property listViewConfigProp = displayModel.getProperty(VitroVocabulary.DISPLAY + "customListViewConfigurationFile");
while (resources.hasNext()) { // ResIterator resources = displayModel.listResourcesWithProperty(listViewConfigProp);
Resource resource = resources.next(); // while (resources.hasNext()) {
ObjectProperty prop = getObjectPropertyByURI(resource.getURI()); // Resource resource = resources.next();
NodeIterator nodes = ontModel.listObjectsOfProperty(resource, listViewConfigProp); // ObjectProperty prop = getObjectPropertyByURI(resource.getURI());
if (nodes.hasNext()) { // NodeIterator nodes = displayModel.listObjectsOfProperty(resource, listViewConfigProp);
RDFNode node = nodes.next(); // there should be at most one value; just get the first one // if (nodes.hasNext()) {
if (node.isLiteral()) { // RDFNode node = nodes.next(); // there should be at most one value; just get the first one
String configFileName = ((Literal)node).getLexicalForm(); // if (node.isLiteral()) {
customListViewConfigFiles.put(prop, configFileName); // String configFileName = ((Literal)node).getLexicalForm();
} // customListViewConfigFiles.put(prop, configFileName);
} // }
// }
// }
QueryExecution qexec = QueryExecutionFactory.create(customListViewConfigFileQuery, displayModel);
ResultSet results = qexec.execSelect();
while (results.hasNext()) {
QuerySolution soln = results.next();
Resource resource = soln.getResource("property");
String uri = resource.getURI();
ObjectProperty prop = getObjectPropertyByURI(uri);
String filename = soln.getLiteral("filename").getLexicalForm();
customListViewConfigFileMap.put(prop, filename);
} }
} }
return customListViewConfigFiles.get(op); return customListViewConfigFileMap.get(op);
} }
} }