public String getMap(String concept) {
String TypeUri = ConceptEngine.skosPrefix + "#Concept";
Element root = init();
Element centerNode = buildCenterNode(concept, TypeUri);
boolean includeConcept = false;
String sparql =
"PREFIX skos: <"
+ ConceptEngine.skosPrefix
+ "#> "
+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
+ "SELECT distinct ?t "
+ "WHERE { ?x skos:prefLabel '"
+ concept
+ "'. "
+ " ?x rdf:type ?t .} ";
QueryResult r;
try {
r = QueryEngine.sparql(sparql);
while (r.next()) {
String typeUri = r.getString(0);
if (typeUri.equals(TypeUri)) {
includeConcept = true;
continue;
}
Element node = nodeArray.addElement("Node").addAttribute("id", nodeID + "");
node.addElement("Label").addText(concept);
node.addElement("TypeUri").addText(typeUri);
String typeLabel = model.getResLabel(typeUri);
node.addElement("Type").addText(typeLabel);
nodes.put(concept, node);
Element edge = edgeArray.addElement("Edge").addAttribute("id", edgeID + "");
edge.addElement("Label").addText("作为" + typeLabel);
edge.addElement("TypeUri").addText("as");
edge.addElement("FromID").addText("1");
edge.addElement("ToID").addText(nodeID + "");
nodeID++;
edgeID++;
}
} catch (Exception e) {
logger.error("Dart Grid: Query Error! --> " + concept + "(RDF.type)");
}
List<?> nodeList = nodeArray.elements();
if (includeConcept) {
buildMap(centerNode, true);
}
int j;
for (j = 1; j < nodeList.size(); j++) {
Element node = (Element) nodeList.get(j);
buildMap(node, false);
}
nodeList = nodeArray.elements();
for (; j < nodeList.size(); j++) {
Element node = (Element) nodeList.get(j);
buildMap(node, true);
}
return root.asXML();
}
private void addRelations(
Element centerNode, String concept, List<?> relations, Boolean isOpposed) {
if (!isOpposed)
System.out.println("++++++++++++++" + concept + "++++++++++++++++++" + centerNode.asXML());
for (int i = 0; i < relations.size(); i++) {
Element relation = (Element) relations.get(i);
String propertyUri = relation.attributeValue("propertyUri");
if (propertyUri.equals(ConceptEngine.ontoPrefix + "#hasRela")) {
buildRelaMap(centerNode);
continue;
}
if (propertyUri.equals(ConceptEngine.ontoPrefix + "#relaConcept")) continue;
String propertyLabel = relation.attributeValue("property");
String objectUri = relation.attributeValue("objectUri");
String objectLabel = relation.attributeValue("object");
String sparql = ConceptEngine.getContentSparql(concept, propertyUri, false, isOpposed);
QueryResult r;
try {
r = QueryEngine.sparql(sparql);
if (r == null) continue;
int ct = 0;
while (r.next() && ct < count) {
ct++;
String content = r.getString(0);
Element node = null;
Boolean isNewNode = true;
if (nodes.containsKey(content)) {
Element e = (Element) nodes.get(content);
if (e.elementText("TypeUri").equals(objectUri)) {
isNewNode = false;
node = e;
}
}
if (isNewNode) {
node = nodeArray.addElement("Node").addAttribute("id", nodeID++ + "");
node.addElement("Label").addText(content);
node.addElement("TypeUri").addText(objectUri);
node.addElement("Type").addText(objectLabel);
nodes.put(content, node);
}
Element edge = edgeArray.addElement("Edge").addAttribute("id", edgeID++ + "");
edge.addElement("Label").addText(propertyLabel);
edge.addElement("TypeUri").addText(propertyUri);
edge.addElement("FromID")
.addText(isOpposed ? node.attributeValue("id") : centerNode.attributeValue("id"));
edge.addElement("ToID")
.addText(isOpposed ? centerNode.attributeValue("id") : node.attributeValue("id"));
}
} catch (java.lang.NullPointerException e) {
logger.error("Dart Grid: Query Error! --> " + concept + "(" + propertyLabel + ")");
r = null;
e.printStackTrace();
}
}
// if(isOpposed)
// System.out.println("++++++++++++++++++++++++++++++++");
}