Function to change data

public Object get(String fieldName){

        // ID is a special case.  It is always returned in a query
        if (fieldName != null && fieldName.equals("id"))
            return openERPResult.get(fieldName);

        Field fieldMeta = getField(fieldName);
        if (fieldMeta == null)
            return null;

        Object value = openERPResult.get(fieldName);
        Field.FieldType fieldType = fieldMeta.getType();

        if (fieldType != Field.FieldType.BOOLEAN && value instanceof Boolean)
            return null;

        if (value instanceof Object[] && ((Object []) value).length == 0)
            return null;

        if (value instanceof String && fieldType == Field.FieldType.DATE){
            DateFormat dfm = new SimpleDateFormat("yyyy-MM-dd");
            try{
                return dfm.parse(value.toString());
            }
            catch(ParseException p){
                return null;
            }
        }

        if (value instanceof String && fieldType == Field.FieldType.DATETIME){
            DateFormat dfm = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            try{
                return dfm.parse(value.toString());
            }
            catch(ParseException p){
                return null;
            }
        }

        return value;
}