Does struts follow a specific logic as to what the data type of the object would be based on user input? Meaning when is it converted to a Double vs Integer vs String?
Thanks, Prasanth On 2/15/19 7:45 AM, Lukasz Lenart wrote: > pt., 15 lut 2019 o 00:17 Prasanth <dbad...@pangburngroup.com> napisał(a): >> I have a map (Map<Long, Double>) but based on the data entered by the user >> the value in the Map is Double or String. Example if the user enters a value >> of 10 then it is coming in as double but if the >> user enters 10.5 then a string is present in the value. Does Struts2 look at >> the data types of the key and value of the map and set the key and values in >> the map accordingly? > Struts is not a problem here, generic types are erased at runtime, so > basically this a Map<Object, Object> at the end > https://docs.oracle.com/javase/tutorial/java/generics/erasure.html > >> If not, what is the best practice for the declaration of Map, is there a way >> to force Struts2 to only have Double objects as values? > I would probably use a custom type instead of Double and implement > converter for it, or even replace the Map with a List of custom > objects. > > > Regards
