unused class removed

rest-api/src/main/java/lcsb/mapviewer/api/SerializationUtils.java

-package lcsb.mapviewer.api;
-
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
-
-import lcsb.mapviewer.services.QueryException;
-
-public class SerializationUtils {
-  private static Logger logger = LogManager.getLogger();
-
-  public static Integer parseInteger(Object value, String fieldName) throws QueryException {
-    if (value instanceof Integer) {
-      return (Integer) value;
-    } else if (value instanceof Double) {
-      logger.warn("Double will be trunceted to int: " + value);
-      return ((Double) value).intValue();
-    } else if (value == null) {
-      return null;
-    } else if (value instanceof String) {
-      if (((String) value).equalsIgnoreCase("")) {
-        return null;
-      } else {
-        try {
-          return Integer.parseInt((String) value);
-        } catch (NumberFormatException e) {
-          throw new QueryException("Invalid " + fieldName + " value: " + value);
-        }
-      }
-    } else {
-      throw new QueryException("Invalid " + fieldName + " value: " + value);
-    }
-  }
-
-}