hi ,
converting the java object to JSON Done using
SONObject json_obj = new JSONObject();
json_obj.put("Member_Email",new JSONString(symbol));
json_obj.put("Member_type", new JSONString(type));
and send it using post method using RequestBuilder
try {
rb.sendRequest(json_obj.toString(), new
RequestCallback() {
.
.
.
.
}
}
i need to know how to get this object on the server and convert it to
object again
thanks ,
On Jul 6, 10:36 pm, eggsy84 <jimbob...@hotmail.com> wrote:
> Hi all,
>
> (As mentioned on the following
> post:http://groups.google.com/group/google-web-toolkit/browse_thread/threa...
> )
>
> With the latest versions of GWT you don't have to use any other
> libraries.
>
> GWT now comes with something known as Javascript Overlays that you can
> utilise to convert JSON into Objects.
>
> See here:
>
> http://code.google.com/webtoolkit/doc/latest/DevGuideCodingBasicsOver...
>
> Also I have made a bit of a discussion on my blog here:
>
> http://eggsylife.co.uk/2010/04/22/gwt-2-jsonp-and-javascript-overlays...
>
> Hope this helps,
>
> Eggsy
>
> On Jul 6, 1:44 pm, André Moraes <andr...@gmail.com> wrote:
>
> > I don't think that the Gson project can be used as a GWT module.
>
> > Looks like it is for pure java development, not GWT development.
>
> > Take a look at:http://code.google.com/p/piriti/
>
> > <http://code.google.com/p/piriti/>This project is a GWT library that provide
> > JSON and XML facilities.
>
> > On Tue, Jul 6, 2010 at 5:22 AM, Ahmed Shoeib
> > <ahmedelsayed.sho...@gmail.com>wrote:
>
> > > i face this problem
> > > how i can fix it
>
> > > the problem
>
> > > /AdminPanel.java'
> > > [ERROR] Line 139: No source code is available for type
> > > com.google.gson.Gson; did you forget to inherit a required module?
>
> > > Thanks,
> > > ahmed shoeib
>
> > > On Jul 5, 9:33 pm, André Moraes <andr...@gmail.com> wrote:
> > > > The response comes async.
>
> > > > When the response from the server arrives at the client the method
> > > > onResponseReceived in the RequestCallback object is called, if an
> > > > error hapens the the onErrormethod is called.
>
> > > > The RequestCallback object is the second parameter in the sendRequest
> > > > function call.
>
> > > > 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
> > > > }
> > > > });
>
> > > > On 5 jul, 15:01, Ahmed Shoeib <ahmedelsayed.sho...@gmail.com> wrote:
>
> > > > > you told me how to send request from client to server
>
> > > > > now i want how yo get data from server to use it in client
>
> > > > > and the data in json
>
> > > > > On Jul 5, 8:12 pm, André Moraes <andr...@gmail.com> wrote:
>
> > > > > > This code is quite simple
>
> > > > > > The line:
>
> > > > > > re = rb.sendRequest("jsonrpc-call=" + JsonHelper.jsoToString(call),
> > > > > > new RequestCallback()
>
> > > > > > prepare a AJAX call to the server and make your javascript object to
> > > a
> > > > > > string using JsonHelper.jsoToString.
> > > > > > In ther server the json-string will be accessible by the parameter
> > > > > > "jsonrpc-call".
>
> > > > > > The line:
>
> > > > > > if (response.getStatusCode()
> > > > > > == 200 || response.getStatusCode()
> > > > > > == 304)
> > > > > > {
> > > > > > JavaScriptObject
> > > > > > responseData =
> > > > > > JsonHelper.stringToJso(response.getText()).cast());
> > > > > > // use the response
> > > > > > }
>
> > > > > > get the response wrote by the server and make i availabe as a
> > > > > > JavaScriptObject.
>
> > > > > > You can use the JSONObject class to populate and read a
> > > > > > JavaScriptObject.
>
> > > > > > You can read more about JSON + GWT at:
>
> > >http://code.google.com/intl/webtoolkit/webtoolkit/doc/latest/DevGuide...
> > > > > > andhttp://
> > > code.google.com/intl/webtoolkit/webtoolkit/articles/using_gwt_...
> > > > > > On 5 jul, 12:50, Ahmed Shoeib <ahmedelsayed.sho...@gmail.com> wrote:
>
> > > > > > > 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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>
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>
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