public void getMessages() {
RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, URL.encode(URLGET));
try {
Request request =
builder.sendRequest(
null,
new RequestCallback() {
public void onError(Request request, Throwable exception) {}
public void onResponseReceived(Request request, Response response) {
if (200 == response.getStatusCode()) {
IResponse serverResponse = decodeJSON(response.getText());
processResponse(serverResponse);
} else {
Window.alert("Messages couldn't been recieved");
}
}
});
} catch (RequestException e) {
// Couldn't connect to server
}
}
public static void fbLogin(String profileId) throws RequestException {
RequestBuilder builder =
new RequestBuilder(
RequestBuilder.POST, "http://localhost:8080/j_spring_service_security_check");
builder.setHeader("Content-type", "application/x-www-form-urlencoded");
builder.sendRequest(
"profile_id=" + profileId + "&service_name=facebook",
new RequestCallback() {
@Override
public void onResponseReceived(Request request, Response response) {
if (response.getStatusCode() < 400) {
History.newItem("photo");
}
}
@Override
public void onError(Request request, Throwable exception) {
return;
}
});
}
private void getAllTreeLessons() {
RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, URLConstants.JSON_LESSONS);
try {
builder.sendRequest(
null,
new RequestCallback() {
public void onError(Request request, Throwable exception) {
displayError("Couldn't retrieve JSON : " + exception.getMessage());
}
public void onResponseReceived(Request request, Response response) {
if (Response.SC_OK == response.getStatusCode()) {
buildLessonTree(response);
} else {
displayError("Couldn't retrieve JSON (" + response.getStatusText() + ")");
}
}
});
} catch (RequestException e) {
displayError("Couldn't retrieve JSON : " + e.getMessage());
}
}