ok, I just found it: there is already a converter for enums, I missed
somehow: com.opensymphony.xwork2.util.EnumTypeConverter
Piotr
2008/9/18 Piotr Matkowski <[EMAIL PROTECTED]>
> Hi,
> I was wondering, is there some easy way (annotation, config) to perform
> type conversion on Enum types?
> I noticed that struts does not handle Enum types by default, which is not
> what I expected.
>
> Lets say we have an Enum like that:
>
> public enum Fruit { ORANGE, APPLE; }
>
> and Action with field and setter:
>
> private Fruit fruit;
> public void setFruit(Fruit fruit) { this.fruit = fruit; }
>
> I want to submit String ORANGE from html form and get Fruit.ORANGE object
> in my Action after population.
> I wrote my own type converter, here's the code:
>
> public class EnumConverter extends StrutsTypeConverter {
> public Object convertFromString(Map context, String[] values, Class
> toClass) {
> try {
> return toClass.getMethod("valueOf",
> String.class).invoke(toClass, values[0]);
> } catch (Exception e) {
> throw new TypeConversionException(e);
> }
> }
> public String convertToString(Map context, Object o) {
> return ((Enum) o).name();
> }
> }
>
> It works for me, but the thing is, the code is quite ugly (i mean the java
> reflection part).
> Does someone know a better way to do that?
> Maybe Enums should be handled by struts by default? Why they aren't
> handled?
> Any comments appreciated,
> regards
> Piotr
>
