The best you can use in the client to handle json are Overlays.
http://code.google.com/webtoolkit/doc/latest/DevGuideCodingBasicsOverlay.html
On Tue, Nov 9, 2010 at 7:17 PM, Kashif <kashifshaikh...@gmail.com> wrote:
> Hi everyone,
>
> I have a class that I want to share both with client and server code,
> in my particular case it's the JSONObject.
>
> It has different implementations on client
> (com.google.gwt.json.client.JSONObject) and server
> (org.json.JSONObject), but same interface.
>
> So I have a DTO class like this shared between client and server, so I
> can use JSON to pass objects around and wrap them in JSONObjects for
> easy API access:
>
> class Person {
>
> String firstName;
> String lastName;
>
> public JSONObject toJson()
> {
> // code to convert firstname + lastname to JSON
> }
>
> public fromJSON (JSONObject x)
> {
> // code to read from JSONObject and set firstName and lastName
> }
> }
>
> There is no way for me to tell GWT to use
> com.google.gwt.json.client.JSONObject when compiling this class on
> client, and likewise use org.json.JSONObject on server. I would have
> to resort to Java String.
>
> Now I could do the following, but I would have to re-write the toJson/
> fromJson methods for each implementation - not acceptable to me!
>
> class PersonBase
> {
> String firstname;
> String lastname;
> }
>
> class Person_Client extends PersonBase
> {
> public fromJSON (om.google.gwt.json.client.JSONObject x)
> {
> // code to read from JSONObject and set firstName and lastName
> }
>
> public com.google.gwt.json.client.JSONObject toJson()
> {
> // code to convert firstname + lastname to JSON
> }
> }
>
> class Person_Server extends PersonBase
> {
> public fromJSON (org.json.JSONObject x)
> {
> // code to read from JSONObject and set firstName and lastName
> }
>
> public org.json.JSONObject toJson()
> {
> // code to convert firstname + lastname to JSON
> }
> }
>
> There must be an easier way!
>
> --
> You received this message because you are subscribed to the Google Groups
> "Google Web Toolkit" group.
> To post to this group, send email to google-web-tool...@googlegroups.com.
> To unsubscribe from this group, send email to
> google-web-toolkit+unsubscr...@googlegroups.com<google-web-toolkit%2bunsubscr...@googlegroups.com>
> .
> For more options, visit this group at
> http://groups.google.com/group/google-web-toolkit?hl=en.
>
>
--
Guit: Elegant, beautiful, modular and *production ready* gwt applications.
http://code.google.com/p/guit/
--
You received this message because you are subscribed to the Google Groups
"Google Web Toolkit" group.
To post to this group, send email to google-web-tool...@googlegroups.com.
To unsubscribe from this group, send email to
google-web-toolkit+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/google-web-toolkit?hl=en.
