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 -- 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.