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new internal classes data getter

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hjkhjk54 2011-07-14 22:19:26 +00:00
parent 18416c5773
commit 2919efead0
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webapp/src/edu/cornell/mannlib/vitro/webapp/utils/pageDataGetter/InternalClassesDataGetter.java Normal file
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/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.webapp.utils.pageDataGetter;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletContext;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.json.JSONObject;
import com.hp.hpl.jena.ontology.OntModel;
import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.RDFNode;
import com.hp.hpl.jena.rdf.model.ResourceFactory;
import com.hp.hpl.jena.rdf.model.Statement;
import com.hp.hpl.jena.rdf.model.StmtIterator;
import edu.cornell.mannlib.vitro.webapp.beans.Individual;
import edu.cornell.mannlib.vitro.webapp.beans.VClass;
import edu.cornell.mannlib.vitro.webapp.beans.VClassGroup;
import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
import edu.cornell.mannlib.vitro.webapp.controller.freemarker.UrlBuilder;
import edu.cornell.mannlib.vitro.webapp.dao.DisplayVocabulary;
import edu.cornell.mannlib.vitro.webapp.dao.VitroVocabulary;
import edu.cornell.mannlib.vitro.webapp.dao.jena.VClassGroupCache;
import edu.cornell.mannlib.vitro.webapp.web.templatemodels.VClassGroupTemplateModel;
import edu.cornell.mannlib.vitro.webapp.dao.jena.ModelContext;
/**
* This will pass these variables to the template:
* classGroupUri: uri of the classgroup associated with this page.
* vClassGroup: a data structure that is the classgroup associated with this page.
*/
public class InternalClassesDataGetter extends IndividualsForClassesDataGetter{
private static final Log log = LogFactory.getLog(InternalClassesDataGetter.class);
@Override
public Map<String,Object> getData(ServletContext context, VitroRequest vreq, String pageUri, Map<String, Object> page ){
HashMap<String, Object> data = new HashMap<String,Object>();
//This is the old technique of getting class intersections
Map<String, Object> classIntersectionsMap = vreq.getWebappDaoFactory().getPageDao().getClassesAndCheckInternal(pageUri);
//Use Individual List Controller to get all the individuals and related data
List<Individual> inds = new ArrayList<Individual>();
try{
List<String> classes = (List<String>)classIntersectionsMap.get("classes");
List<String> restrictClasses = retrieveRestrictClasses(context, classIntersectionsMap);
processClassesAndRestrictions(vreq, context, data, classes, restrictClasses);
//Also add data service url
//Hardcoding for now, need a more dynamic way of doing this
data.put("dataServiceUrlIndividualsByVClass", this.getDataServiceUrl());
} catch(Exception ex) {
log.error("An error occurred retrieving Vclass Intersection individuals", ex);
}
return data;
}
private List<String> retrieveRestrictClasses(
ServletContext context, Map<String, Object> classIntersectionsMap) {
List<String> restrictClasses = new ArrayList<String>();
String internalClass = (String) classIntersectionsMap.get("isInternal");
//how should this be stored? boolean or otherwise?
if(internalClass.equals("true")) {
//Get internal class
Model mainModel = ModelContext.getBaseOntModelSelector(context).getTBoxModel();;
StmtIterator internalIt = mainModel.listStatements(null, ResourceFactory.createProperty(VitroVocabulary.IS_INTERNAL_CLASSANNOT), (RDFNode) null);
//Checks for just one statement
if(internalIt.hasNext()){
Statement s = internalIt.nextStatement();
//The class IS an internal class so the subject is what we're looking for
String internalClassUri = s.getSubject().getURI();
log.debug("Found internal class uri " + internalClassUri);
restrictClasses.add(internalClassUri);
}
}
return restrictClasses;
}
@Override
public String getType(){
return DisplayVocabulary.CLASSINDIVIDUALS_INTERNAL_TYPE;
}
}