FYI, DWR takes the name value approach:
http://getahead.org/dwr/server/dwrxml/converters/enum
> Date: Sat, 10 Nov 2007 00:51:55 -0500> From: [EMAIL PROTECTED]> To:
> dev@struts.apache.org> Subject: Re: serialize enum to JSON (jsonplugin issue
> 9)> > +1 for the JSON-RPC approach.> > On Nov 9, 2007 9:54 PM, Jeromy Evans
> <[EMAIL PROTECTED]> wrote:> > What is "the correct" way to serialize an enum
> to JSON?> >> > The struts2plugin can't handle enums quite right (Issue 9:> >
> http://code.google.com/p/jsonplugin/issues/detail?id=9) and while trying> >
> to finalize a patch I haven't found a consistent opinion.> >> > There's two
> schools of thought:> > - an enum should be serialized as a value. eg. {
> "prop":"name()" } or> > { "prop":ordinal() }> > - an enum should be
> serialized an an object. eg. { "prop": {> > "name":"name()" } }> > The
> advantage of the latter case is that additional properties of the> >
> enumeration can be included.> >> > My quick survey of implementations are:> >
> xstream with JsonHierarchicalStream and default converter : { "prop":> >
> {"name"}}> > xstream with jettisonMapper driver and default converter : {> >
> "prop":"name" }> > json-rpc-java: { "prop":{ "_name":"name", properties...
> }}> > json.net: {"prop":ordinal}> >> > I think json-rpc-java is strictly
> correct by serializing the enum as> > bean with a special _name property,
> however I think the Jettison driver> > by value approach is closer to what a
> javascript developer would> > naturally expect. The JsonHierarchicalStream
> driver is unnatural> > because it supports deserialization. Json.net doesn't
> have to contend> > with additional properties in enums and the ordinal value
> is explicit.> >> > Has anyone seen a convention used a lot that's worth
> borrowing? Or is> > this worthy of a yet another option for the result?> >> >
> regards,> > Jeromy Eans> >
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