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Setting class counts to 0 when class group is empty. NIHVIVO-1605

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bdc34 2011-01-05 22:57:38 +00:00
parent 46071513f9
commit 592e5f9403
1 changed files with 78 additions and 0 deletions
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78
webapp/src/edu/cornell/mannlib/vitro/webapp/utils/pageDataGetter/ClassGroupPageData.java Normal file
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package edu.cornell.mannlib.vitro.webapp.utils.pageDataGetter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletContext;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
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.dao.DisplayVocabulary;
import edu.cornell.mannlib.vitro.webapp.dao.jena.VClassGroupCache;
/**
* 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 ClassGroupPageData implements PageDataGetter{
private static final Log log = LogFactory.getLog(ClassGroupPageData.class);
public Map<String,Object> getData(ServletContext context, VitroRequest vreq, String pageUri, Map<String, Object> page, String type ){
HashMap<String, Object> data = new HashMap<String,Object>();
String classGroupUri = vreq.getWebappDaoFactory().getPageDao().getClassGroupPage(pageUri);
data.put("classGroupUri", classGroupUri);
VClassGroupCache vcgc = VClassGroupCache.getVClassGroupCache(context);
List<VClassGroup> vcgList = vcgc.getGroups(vreq.getPortalId());
VClassGroup group = null;
for( VClassGroup vcg : vcgList){
if( vcg.getURI() != null && vcg.getURI().equals(classGroupUri)){
group = vcg;
break;
}
}
if( classGroupUri != null && !classGroupUri.isEmpty() && group == null ){
/*This could be for two reasons: one is that the classgroup doesn't exist
* The other is that there are no individuals in any of the classgroup's classes */
group = vreq.getWebappDaoFactory().getVClassGroupDao().getGroupByURI(classGroupUri);
if( group != null ){
List<VClassGroup> vcgFullList = vreq.getWebappDaoFactory().getVClassGroupDao()
.getPublicGroupsWithVClasses(false, true, false);
for( VClassGroup vcg : vcgFullList ){
if( classGroupUri.equals(vcg.getURI()) ){
group = vcg;
break;
}
}
if( group == null ){
log.error("Cannot get classgroup '" + classGroupUri + "' for page '" + pageUri + "'");
}else{
setAllClassCountsToZero(group);
}
}else{
log.error("classgroup " + classGroupUri + " does not exist in the system");
}
}
data.put("vClassGroup", group); //may put null
return data;
}
public String getType(){
return DisplayVocabulary.CLASSGROUP_PAGE_TYPE;
}
protected void setAllClassCountsToZero(VClassGroup vcg){
for(VClass vc : vcg){
vc.setEntityCount(0);
}
}
}