Skip to content

Commit

Permalink
Merge pull request #389 from hbz/issue-378
Browse files Browse the repository at this point in the history 
Issue 378
  • Loading branch information
@aquast
aquast committed Sep 29, 2022
2 parents e0cd8f6 + 5619671 commit 07880df
Show file tree
Hide file tree
Showing 2 changed files with 81 additions and 72 deletions.
1 change: 1 addition & 0 deletions app/helper/GenericPropertiesLoader.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
public class GenericPropertiesLoader {

public Map<String, String> loadVocabMap(String propertiesFileName) {
play.Logger.debug(propertiesFileName);
Map<String, String> vocabMap = new LinkedHashMap<>();
String propertiesPath =
play.Play.application().resource(propertiesFileName).getPath();
Expand Down
152 changes: 80 additions & 72 deletions app/helper/LRMIMapper.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -174,48 +174,27 @@ public String getLrmiAndLrmifyMetadata(Node n, RDFFormat format,
// lrmiData only supports one description
lrmiJsonContent.put("description", iterator.next());
}

if (rdf.containsKey("medium")) {
iterator = getLobid2Iterator(rdf.get("medium"));
// Hole ein Objekt aus LRMI-JSON oder lege es neu an
obj = null;
if (lrmiJsonContent.has("learningResourceType")) {
arr = (JSONArray) lrmiJsonContent.get("learningResourceType");
for (int i = 0; i < arr.length(); i++) {
myObj = arr.get(i);
play.Logger
.debug("i=" + i + "; myObj.getClass()=" + myObj.getClass());
if (myObj instanceof JSONObject) {
obj = arr.getJSONObject(i);
// nimm nur den ersten learningResourceType und überschreibe ihn
// mit dem, was aus RDF kommt
break;
}
}
// Falls Objekt nicht gefunden, hänge ein neues Objekt an das Array an
if (obj == null) {
obj = new JSONObject();
arr.put(obj);
}
} else {
arr = new JSONArray();
obj = new JSONObject();
arr.put(obj);
}
// Jetzt editiere das JSONObject mit den in RDF gefundenen Informationen
while (iterator.hasNext()) {
map = (Map<String, Object>) iterator.next();
if (map.containsKey("prefLabel")) {
subObj = new JSONObject();
subObj.put("de", map.get("prefLabel"));
obj.put("prefLabel", subObj);
}
obj.put("id", map.get("@id"));
arr.put(obj);
}
lrmiJsonContent.put("learningResourceType", arr);
}

/*
* if (rdf.containsKey("medium")) { iterator =
* getLobid2Iterator(rdf.get("medium")); // Hole ein Objekt aus LRMI-JSON
* oder lege es neu an obj = null; if
* (lrmiJsonContent.has("learningResourceType")) { arr = (JSONArray)
* lrmiJsonContent.get("learningResourceType"); for (int i = 0; i <
* arr.length(); i++) { myObj = arr.get(i); play.Logger .debug("i=" + i +
* "; myObj.getClass()=" + myObj.getClass()); if (myObj instanceof
* JSONObject) { obj = arr.getJSONObject(i); // nimm nur den ersten
* learningResourceType und überschreibe ihn // mit dem, was aus RDF kommt
* break; } } // Falls Objekt nicht gefunden, hänge ein neues Objekt an
* das Array an if (obj == null) { obj = new JSONObject(); arr.put(obj); }
* } else { arr = new JSONArray(); obj = new JSONObject(); arr.put(obj); }
* // Jetzt editiere das JSONObject mit den in RDF gefundenen
* Informationen while (iterator.hasNext()) { map = (Map<String, Object>)
* iterator.next(); if (map.containsKey("prefLabel")) { subObj = new
* JSONObject(); subObj.put("de", map.get("prefLabel"));
* obj.put("prefLabel", subObj); } obj.put("id", map.get("@id"));
* arr.put(obj); } lrmiJsonContent.put("learningResourceType", arr); }
*
*/
ArrayList<String> creatorAcadDegree = new ArrayList<>();
if (rdf.containsKey("creatorAcademicDegree")) {
iterator = getLobid2Iterator(rdf.get("creatorAcademicDegree"));
Expand Down Expand Up @@ -337,7 +316,9 @@ public String getLrmiAndLrmifyMetadata(Node n, RDFFormat format,
}

lrmiJsonContent = lobidFunder2LrmiFunder(rdf, lrmiJsonContent);
lrmiJsonContent = lobidDepartment2LrmiAbout(rdf, lrmiJsonContent);
lrmiJsonContent =
lobidObject2LrmiObject(rdf, lrmiJsonContent, "department");
lrmiJsonContent = lobidObject2LrmiObject(rdf, lrmiJsonContent, "medium");

/**
* - gib die aktualisierten oder neu angelegten LRMI-Daten zurück (Format
Expand Down Expand Up @@ -493,48 +474,75 @@ private JSONObject mapAgent(Map<String, Object> rdf,
}

/**
* Maps department-Object of Lobid into about-Object of LRMI
* Method converts a lobid object to json object
*
* @param lobidMap Map representation of the lobid metadata
* @param lrmiObj JSONObject representation of tha lrmi Metadata
* @return lrmiObj with modified about-Object
* @param lobidMap
* @param lrmiObj Output variable
* @param lobidObject what should be checked as input
* @return Json-Object of LRMI (@param lrmiObj)
*/
public JSONObject lobidDepartment2LrmiAbout(Map<String, Object> lobidMap,
JSONObject lrmiObj) {
public JSONObject lobidObject2LrmiObject(Map<String, Object> lobidMap,
JSONObject lrmiObj, String lobidObject) {
Iterator itr = null;
LinkedHashMap<String, String> genPropMap = new LinkedHashMap<>();
GenericPropertiesLoader genProp = new GenericPropertiesLoader();
JSONArray jr = new JSONArray();
Map<String, Object> map = null;

try {
if (lobidMap.containsKey("department")) {
Iterator iterator = getLobid2Iterator(lobidMap.get("department"));
JSONArray aboutArray = new JSONArray();

// Provide resolving for prefLabels from @id via GenericPropertiesLoader
LinkedHashMap<String, String> genPropMap = new LinkedHashMap<>();
GenericPropertiesLoader genProp = new GenericPropertiesLoader();
switch (lobidObject) {
case "department":
itr = getLobid2Iterator(lobidMap.get("department"));
genPropMap.putAll(genProp.loadVocabMap("department-de.properties"));

while (iterator.hasNext()) {
Map<String, Object> map = (Map<String, Object>) iterator.next();
while (itr.hasNext()) {
JSONObject aboutObj = new JSONObject();
JSONObject inSchemeObj = new JSONObject();
JSONObject pLObj = new JSONObject();
JSONObject pLObj1 = new JSONObject();
JSONObject inSchemeAbout = new JSONObject();
map = (Map<String, Object>) itr.next();
aboutObj.put("id", map.get("@id"));
aboutObj.put("type", "Concept");

inSchemeObj.put("id",
inSchemeAbout.put("id",
"https://w3id.org/kim/hochschulfaechersystematik/scheme");
pLObj.put("de", genPropMap.get(map.get("@id")));

aboutObj.put("inScheme", inSchemeObj);
aboutObj.put("prefLabel", pLObj);
aboutArray.put(aboutObj);
pLObj1.put("de", genPropMap.get(map.get("@id")));
aboutObj.put("inScheme", inSchemeAbout);
aboutObj.put("prefLabel", pLObj1);
jr.put(aboutObj);
}
lrmiObj.put("about", jr);
break;

case "medium":
itr = getLobid2Iterator(lobidMap.get("medium"));
genPropMap.putAll(genProp.loadVocabMap("medium-de.properties"));
while (itr.hasNext()) {
JSONObject learningResourceType = new JSONObject();
JSONObject pLObj2 = new JSONObject();
JSONObject inSchemeLearningResourceType = new JSONObject();
map = (Map<String, Object>) itr.next();
learningResourceType.put("id", map.get("@id"));
learningResourceType.put("type", "Concept");
inSchemeLearningResourceType.put("id",
"https://w3id.org/kim/hcrt/scheme");
pLObj2.put("de", genPropMap.get(map.get("@id")));
learningResourceType.put("inScheme", inSchemeLearningResourceType);
learningResourceType.put("prefLabel", pLObj2);
jr.put(learningResourceType);
}
lrmiObj.put("about", aboutArray);
lrmiObj.put("learningResourceType", jr);
break;
default:
play.Logger.error(
"unable to modify " + lobidObject + "-Object to to LRMI-Object");
break;

}
} catch (JSONException e) {
play.Logger.error("unable to apply modified about values to LRMI");
}

} catch (Exception e) {
play.Logger.error(
"unable to modify " + lobidObject + "-Object to to LRMI-Object");
}
return lrmiObj;

}

/**
Expand Down

0 comments on commit 07880df

Please sign in to comment.