Merge branch 'DevFixMultilineInstanceTtl' into dev

Author: CodeGat

src/controller/Controller.java

@@ -250,8 +250,12 @@ private <C extends DataSharingController<T>, T> ArrayList<T> showWindow(String f
             properties.clear();
 
             try (BufferedReader reader = new BufferedReader(new FileReader(loadFile))){
-                String graph = reader.readLine(); // TODO: 24/02/2019 may need to read more than one line in case of multiline rdfs:comment?
-                if (graph == null || graph.length() == 0){
+                StringBuilder graphLines = new StringBuilder();
+                String line;
+                while ((line = reader.readLine()) != null) graphLines.append(line).append("\n");
+
+                String graph = graphLines.toString();
+                if (graph.length() == 0){
                     setWarnStatus("Graph Read failed: nothing in graph file.");
                     LOGGER.warning("Nothing in graph file.");
                     return;

src/model/dataintegration/DataIntegrator.java

@@ -126,8 +126,11 @@ private String getMetaTriples(String name, Vertex klass) throws PrefixMissingExc
         if (klass.getRdfsLabel() != null && klass.getRdfsLabel().length() != 0)
             meta += name + " <http://www.w3.org/2000/01/rdf-schema#label> \"" + klass.getRdfsLabel() + "\" .\n";
 
-        if (klass.getRdfsComment() != null && klass.getRdfsComment().length() != 0)
-            meta += name + " <http://www.w3.org/2000/01/rdf-schema#comment> \"" + klass.getRdfsComment() + "\" .\n";
+        if (klass.getRdfsComment() != null && klass.getRdfsComment().length() != 0){
+            String quoteLevel = klass.getRdfsComment().contains("\n") ? "\"\"\"" : "\"";
+            meta += name + " <http://www.w3.org/2000/01/rdf-schema#comment> " + quoteLevel + klass.getRdfsComment() +
+                    quoteLevel + " .\n";
+        }
 
         return meta;
     }