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 <[email protected]>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 <[email protected]> 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 <[email protected]> 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 <[email protected]> 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 <[email protected]> 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 <[email protected]> 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 <[email protected]> > 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 [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-web-toolkit%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-web-toolkit?hl=en. > > -- André Moraes Analista de Desenvolvimento de Sistemas [email protected] http://andredevchannel.blogspot.com/ -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. 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