i want a simple example to describe it
cause i need it as soon as possible
On Jul 5, 6:18 pm, André Moraes <andr...@gmail.com> wrote:
> re = rb.sendRequest("jsonrpc-call=" +
> JsonHelper.jsoToString(call),
> new RequestCallback() {
>
> @Override
> public void onResponseReceived(Request
> request, Response response)
> {
> if (response.getStatusCode() == 200
> || response.getStatusCode()
> == 304)
> {
> JavaScriptObject responseData
> =
> JsonHelper.stringToJso(response.getText()).cast());
> // use the response
> }
> else
> {
> // invalid response
> }
> }
>
> @Override
> public void onError(Request request,
> Throwable exception) {
> // error on the resquest
> }
> });
>
> public class JsonHelper {
>
> public static String jsoToString(JavaScriptObject jso) {
> if (isJsonLibraryDefined()) {
> return _jsoToString(jso);
> } else {
> return new JSONObject(jso).toString();
> }
> }
>
> public static JavaScriptObject stringToJso(String value) {
> if (isJsonLibraryDefined()) {
> return _stringToJso(value);
> } else {
> return _stringToJsoEval(value);
> }
> }
>
> public static native String _jsoToString(JavaScriptObject jso) /*-{
> return JSON.stringify(jso);
> }-*/;
>
> public static native JavaScriptObject _stringToJso(String string) /*-
> {
> return JSON.parse(string);
> }-*/;
>
> public static native JavaScriptObject _stringToJsoEval(String
> string) /*-{
> return eval("(" + string + ")");
> }-*/;
>
> public static native boolean isJsonLibraryDefined() /*-{
> return typeof(JSON) != 'undefined'
> && typeof(JSON.parse) != 'undefined'
> && typeof(JSON.stringify) != 'undefined';
> }-*/;
>
> }
>
> The JsonHelper class handle the conversion to and from JSON.
>
> If possible use the json.org javascript library that implements the
> functions JSON.parse / JSON.stringify
>
> I am currently writing a project that encapsulates that library and
> make it more easier to use than this JsonHelper class.
>
> When i release it in google-code I let you know.
>
> Hope it helps.
>
> On 5 jul, 09:01, Ahmed Shoeib <ahmedelsayed.sho...@gmail.com> wrote:
>
> > Dear Friends ,
>
> > i face a problem when trying to send and receive json object between
> > client and server in GWT application
>
> > so i want a simple example that show me how to do this
>
> > Thanks,
> > ahmed shoeib
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