/**
* getListInformation
*
* <p>Retrieves some information about the list of fedora objects.
*
* <pre>
* Version Date Developer Description
* 0.14 26/07/2012 Genevieve Turner(GT) Initial
* </pre>
*
* @param fedoraObjects A list of fedora objects to get more information for
* @return Returns a list of fedora objects
* @see
* au.edu.anu.datacommons.security.service.FedoraObjectService#getListInformation(java.util.List)
*/
@Override
public List<Result> getListInformation(List<FedoraObject> fedoraObjects) {
if (fedoraObjects.size() == 0) {
return null;
}
// Create the sparql query
SparqlQuery sparqlQuery = new SparqlQuery();
sparqlQuery.addVar("?id");
sparqlQuery.addVar("?name");
sparqlQuery.addTriple("?item", "<dc:identifier>", "?id", Boolean.FALSE);
sparqlQuery.addTriple("?item", "<dc:title>", "?name", Boolean.FALSE);
// Ensure that the linked to item is active (i.e. it hasn't been deleted)
sparqlQuery.addTriple("?item", "<fedora-model:state>", "<fedora-model:Active>", Boolean.FALSE);
StringBuffer queryFilter = new StringBuffer();
for (FedoraObject fedoraObject : fedoraObjects) {
if (queryFilter.length() > 0) {
queryFilter.append(" || ");
}
queryFilter.append("?id = '");
queryFilter.append(fedoraObject.getObject_id());
queryFilter.append("' ");
}
sparqlQuery.addFilter(queryFilter.toString(), "");
ClientResponse clientResponse = riSearchService.post("query", sparqlQuery.generateQuery());
List<Result> resultList = getSparqlResultList(clientResponse);
return resultList;
}
/**
* getLinks
*
* <p>Retrieves the links for a page.
*
* <pre>
* Version Date Developer Description
* 0.3 26/04/2012 Genevieve Turner (GT) Initial
* 0.7 08/06/2012 Genevieve Turner (GT) Updated to cater for change to post method in the riSearchService
* 0.17 28/08/2012 Genevieve Turner (GT) Added the display of reverse links
* 0.19 28/09/2012 Genevieve Turner (GT) Updated so reverse links are not displayed
* 0.21 22/10/2012 Genevieve Turner (GT) Made this method public
* </pre>
*
* @param fedoraObject The object to retrieve the links for
* @return The results of the query
*/
@Override
public List<Result> getLinks(FedoraObject fedoraObject) {
SparqlQuery sparqlQuery = new SparqlQuery();
sparqlQuery.addVar("?item");
sparqlQuery.addVar("?title");
sparqlQuery.addVar("?predicate");
sparqlQuery.addVar("?type");
sparqlQuery.addTriple(
"<info:fedora/" + fedoraObject.getObject_id() + ">", "?predicate", "?item", Boolean.FALSE);
// GT - 20120928 - Note this code is only commented out as it may be placed back in at a later
// date.
/*
StringBuilder tripleString = new StringBuilder();
tripleString.append("{ <info:fedora/");
tripleString.append(fedoraObject.getObject_id());
tripleString.append("> ?predicate ?item . } ");
tripleString.append("UNION ");
tripleString.append("{ ?item ?predicate <info:fedora/");
tripleString.append(fedoraObject.getObject_id());
tripleString.append("> } ");
sparqlQuery.addTripleSet(tripleString.toString());
*/
// Ensure that the linked to item is active (i.e. it hasn't been deleted)
sparqlQuery.addTriple("?item", "<dc:title>", "?title", true);
sparqlQuery.addTriple("?item", "<dc:type>", "?type", true);
sparqlQuery.addTriple("?item", "<fedora-model:state>", "?state", true);
String filterString =
"regex(str(?predicate), '"
+ GlobalProps.getProperty(GlobalProps.PROP_FEDORA_RELATEDURI)
+ "', 'i')";
sparqlQuery.addFilter(filterString, "");
sparqlQuery.addFilter("!BOUND(?state) || regex(str(?state), 'Active')", "&&");
ClientResponse respFromRiSearch = riSearchService.post("query", sparqlQuery.generateQuery());
List<Result> resultList = getSparqlResultList(respFromRiSearch);
LOGGER.debug("Number of related items found: {}", resultList.size());
return resultList;
}