Fixed issue with list-of-files custom type

src/main/java/it/inaf/ia2/transfer/persistence/FileDAO.java

@@ -71,6 +71,15 @@ public class FileDAO {
 
     private void fillOsPath(FileInfo fi, ResultSet rs) throws SQLException {
 
+        if (fi.getProvideViews() != null) {
+            for (String provideView : fi.getProvideViews()) {
+                if ("urn:list-of-files".equals(provideView)) {
+                    // Not a physical file
+                    return;
+                }
+            }
+        }
+
         String basePath = rs.getString("base_path");
         String osPath = rs.getString("os_path");
         if (osPath.startsWith("/")) {