I am creating an appliaction which requires user authentication. I have one
problem when I'm trying to log in. When I type a correct username and
password, the onSuccess method is called. But when I type a wrong one, or
empty fields, then the onFailure() method is NOT called.
I really want to know why this is happening. Because I wan't to display
some sort of dialogbox when the username or password is incorrect.
This is the ClickHandler, which takes the username and password from the
fields:
loginButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
String username = usernameBox.getText();
String password = passwordBox.getText();
performUserConnection(username, password);
}
});
And this is the method that performs the user conenction, which as I said,
works if I have a correct username/ password. It displays my alert message,
but it does not display any alert message if it's not correct.
private static void performUserConnection(String username, String password) {
DBConnectionAsync rpcService = (DBConnectionAsync)
GWT.create(DBConnection.class);
ServiceDefTarget target = (ServiceDefTarget) rpcService;
String moduleRelativeURL = GWT.getModuleBaseURL() + "DBConnectionImpl";
target.setServiceEntryPoint(moduleRelativeURL);
rpcService.authenticateUser(username, password, new AsyncCallback<User>() {
@Override
public void onSuccess(User user) {
Window.alert("TRALALA. Username: " + user.getUsername());
}
@Override
public void onFailure(Throwable caught) {
Window.alert("LALALALAL");
// DialogBox dialogBox = createDialogBox();
// dialogBox.setGlassEnabled(true);
// dialogBox.setAnimationEnabled(true);
// dialogBox.center();
// dialogBox.show();
}
});}
Thanks in advance
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