callServerSerivce

callServerSerivce

Button btnAdd = new Button("Add");
  btnAdd.addClickHandler(new ClickHandler() {
  public void onClick(ClickEvent event) {
    User user = new User();
    user.setUserName(nameTextBox.getText());
    user.setPassword(passwordTextBox.getText());
    MongoDBServiceAsync mongoDBServiceAsync = GWT
      .create(MongoDBService.class);
    ServiceDefTarget serviceDef = (ServiceDefTarget) mongoDBServiceAsync;
    serviceDef.setServiceEntryPoint(GWT.getModuleBaseURL()
      + "dbservice");
    mongoDBServiceAsync.setUser(user, new AsyncCallback<Void>(){

    @Override
    public void onFailure(Throwable caught) {
      Window.alert("User addition failed, reason: " +caught.getMessage());
    }

    @Override
      public void onSuccess(Void result) {
  	Window.alert("User addition successful");
    }
  });
  }
 });
btnAdd.setText("Add Users");