java - Error when connect Android with ontology -


i want connect android owl file using code below, line

model = modelfactory.createontologymodel(ontmodelspec.owl_mem_trans_inf)

throws exception.

public class ontoquery {     private model model;      public ontoquery(string inputfilename) {         model = modelfactory.createontologymodel(ontmodelspec.owl_mem_trans_inf);         inputstream in = filemanager.get().open(inputfilename);         if(in == null) {             throw new illegalargumentexception("file: " + inputfilename + " not found");         } else {             model.read(in, "rdf/xml");         }     }      public string executequery(string querystring) throws unsupportedencodingexception {         query query = queryfactory.create(querystring);         queryexecution qe = queryexecutionfactory.create(query, this.model);         throwable var5 = null;          string fieldvalue;         try {             resultset results = qe.execselect();             bytearrayoutputstream go = new bytearrayoutputstream();             resultsetformatter.out(go, results, query);             fieldvalue = new string(go.tobytearray(), "utf-8");         } catch (throwable var15) {             var5 = var15;             throw var15;         } {             if(qe != null) {                 if(var5 != null) {                     try {                         qe.close();                     } catch (throwable var14) {                         //var5.addsuppressed(var14);                     }                 } else {                     qe.close();                 }             }         }          return fieldvalue;     } }


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