correzione errore for input string

ems-engine/src/main/java/it/integry/ems/retail/Scontrini/service/ReceiptsDialog.java

@@ -44,6 +44,9 @@ public class ReceiptsDialog implements IReceiptsParser {
             Object codAnag = setupGest.getImportSetup(connection, typeImport, formatImport, "COD_ANAG");
 
             while ((line = br.readLine()) != null) {
+                if (UtilityString.isNullOrEmpty(line))
+                    continue;
+
                 String idRecord = line.substring(0, 1);
 
                 String codMdep = null;
@@ -232,7 +235,7 @@ public class ReceiptsDialog implements IReceiptsParser {
             }
         } finally {
             //if(list.size() == 0)
-            list.add(receipts);
+            if (receipts != null ) list.add(receipts);
 
             if (br != null) {
                 br.close();