GenericIntegerEntityConvert to support null values...

code/LanBortalWeb/src/fi/insomnia/bortal/web/converter/GenericIntegerEntityConverter.java

@@ -58,9 +58,15 @@ public abstract class GenericIntegerEntityConverter<T extends ModelInterface<Int
 		T ret = null;
 		T ret = null;
 		Integer id = null;
 		Integer id = null;
 		if (value != null) {
 		if (value != null) {
-			id = Integer.parseInt(value);
-			if (id != null) {
-				ret = find(id);
+			try {
+				id = Integer.parseInt(value);
+				if (id != null) {
+					ret = find(id);
+				}
+			} catch (NumberFormatException nfe) {
+				if (value == null || !value.equals("null")) {
+					throw nfe;
+				}
 			}
 			}
 		}
 		}
 		logger.debug("Converted String {} to Integer {} became object {}", new Object[] { value, id, ret });
 		logger.debug("Converted String {} to Integer {} became object {}", new Object[] { value, id, ret });
@@ -78,6 +84,10 @@ public abstract class GenericIntegerEntityConverter<T extends ModelInterface<Int
 				ret = entity.getId().toString();
 				ret = entity.getId().toString();
 			}
 			}
 		}
 		}
+		if (ret == null)
+		{
+			ret = "null";
+		}
 		return ret;
 		return ret;
 	}
 	}
 	//
 	//