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Some cleanup.

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This commit is contained in:
runeliza 2011-07-13 14:40:14 +00:00
parent e5028dc668
commit 59b2d9431e
1 changed files with 54 additions and 44 deletions
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98
webapp/src/edu/cornell/mannlib/vitro/webapp/controller/grefine/GrefineMqlreadServlet.java
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@ -77,15 +77,62 @@ public class GrefineMqlreadServlet extends VitroHttpServlet {
try {
// parse query
ArrayList<String> subjectUriList = new ArrayList<String>();
Map<String, JSONArray> propertyUriMap = new HashMap<String, JSONArray>();
String query = vreq.getParameter("query");
System.out.println("query: " + query);
parseQuery(query, subjectUriList, propertyUriMap);
// run SPARQL query to get the results
JSONArray resultAllJsonArr = new JSONArray();
DataPropertyStatementDao dpsDao = vreq.getWebappDaoFactory().getDataPropertyStatementDao();
for (String subjectUri: subjectUriList) {
JSONObject subjectPropertyResultJson = new JSONObject();
subjectPropertyResultJson.put("id", subjectUri);
for (Map.Entry<String, JSONArray> entry : propertyUriMap.entrySet()) {
int limit = 10; // default
String propertyUri = entry.getKey();
JSONArray propertyUriOptions = entry.getValue();
for (int i=0; i<propertyUriOptions.length(); i++) {
JSONObject propertyUriOption = (JSONObject)propertyUriOptions.get(i);
limit = ((Integer)propertyUriOption.get("limit")).intValue();
}
List<Literal> literals = dpsDao.getDataPropertyValuesForIndividualByProperty(subjectUri, propertyUri);
// Make sure the subject has a value for this property
if (literals.size() > 0) {
int counter = 0;
JSONArray valueJsonArr = new JSONArray();
for (Literal literal: literals) {
if (counter <= limit) {
String value = literal.getLexicalForm();
valueJsonArr.put(value);
}
counter++;
}
subjectPropertyResultJson.put(propertyUri, valueJsonArr);
}
}
resultAllJsonArr.put(subjectPropertyResultJson);
}
resultAllJson.put("result", resultAllJsonArr);
} catch (JSONException e) {
log.error("GrefineMqlreadServlet getResult JSONException: " + e);
}
// System.out.println(resultAllJson);
return resultAllJson;
}
/**
* Construct json from query String
* @param query
* @param subjectUriList
* @param propertyUriMap
*/
private void parseQuery(String query, ArrayList<String> subjectUriList, Map<String, JSONArray> propertyUriMap) {
try {
JSONObject rawJson = new JSONObject(query);
JSONArray qJsonArr = rawJson.getJSONArray("query");
ArrayList<String> subjectUriList = new ArrayList();
Map<String, JSONArray> propertyUriMap = new HashMap();
for (int i=0; i<qJsonArr.length(); i++) {
Object obj = qJsonArr.get(i);
@ -118,46 +165,9 @@ public class GrefineMqlreadServlet extends VitroHttpServlet {
}
}
}
// run SPARQL query to get the results
JSONArray resultAllJsonArr = new JSONArray();
DataPropertyStatementDao dpsDao = vreq.getWebappDaoFactory().getDataPropertyStatementDao();
for (String subjectUri: subjectUriList) {
JSONObject subjectPropertyResultJson = new JSONObject();
subjectPropertyResultJson.put("id", subjectUri);
for (Map.Entry<String, JSONArray> entry : propertyUriMap.entrySet()) {
int limit = 10; // default
String propertyUri = entry.getKey();
JSONArray propertyUriOptions = entry.getValue();
for (int i=0; i<propertyUriOptions.length(); i++) {
JSONObject propertyUriOption = (JSONObject)propertyUriOptions.get(i);
limit = ((Integer)propertyUriOption.get("limit")).intValue();
}
List<Literal> literals = dpsDao.getDataPropertyValuesForIndividualByProperty(subjectUri, propertyUri);
// Make sure the subject has a value for this property
if (literals.size() > 0) {
int counter = 0;
JSONArray valueJsonArr = new JSONArray();
for (Literal literal: literals) {
if (counter <= limit) {
String value = literal.getLexicalForm();
valueJsonArr.put(value);
}
counter++;
}
subjectPropertyResultJson.put(propertyUri, valueJsonArr);
}
}
resultAllJsonArr.put(subjectPropertyResultJson);
}
resultAllJson.put("result", resultAllJsonArr);
} catch (JSONException e) {
log.error("JSONException: " + e);
throw new ServletException("GrefineMqlreadServlet JSONException: " + e);
log.error("GrefineMqlreadServlet parseQuery JSONException: " + e);
}
}
// System.out.println(resultAllJson);
return resultAllJson;
}
}