Code snippets from toaster launcher part 2

LoginPresenter.java

import javax.inject.Inject;

import com.google.web.bindery.event.shared.EventBus;
import com.gwtplatform.mvp.client.HasUiHandlers;
import com.gwtplatform.mvp.client.Presenter;
import com.gwtplatform.mvp.client.View;
import com.gwtplatform.mvp.client.annotations.NameToken;
import com.gwtplatform.mvp.client.annotations.NoGatekeeper;
import com.gwtplatform.mvp.client.annotations.ProxyStandard;
import com.gwtplatform.mvp.client.proxy.ProxyPlace;
import com.projectname.project.client.application.ApplicationPresenter;
import com.projectname.project.client.application.CurrentUser;
import com.projectname.project.client.place.NameTokens;

public class LoginPresenter extends Presenter<LoginPresenter.MyView, LoginPresenter.MyProxy>
        implements LoginUiHandlers {
    @ProxyStandard
    @NameToken(NameTokens.LOGIN)
    @NoGatekeeper
    interface MyProxy extends ProxyPlace<LoginPresenter> {
    }

    interface MyView extends View, HasUiHandlers<LoginUiHandlers> {
    }

    // Credentials are stored here for demo purpose only.
    private static final String USERNAME = "s3cr3t";
    private static final String PASSWORD = "p4ssw0rd";

    private CurrentUser currentUser;

    @Inject
    LoginPresenter(
            EventBus eventBus,
            MyView view,
            MyProxy proxy,
            CurrentUser currentUser) {
        super(eventBus, view, proxy, ApplicationPresenter.SLOT_MAIN);

        this.currentUser = currentUser;

        getView().setUiHandlers(this);
    }

    @Override
    public void confirm(String username, String password) {
        if (validateCredentials(username, password)) {
            currentUser.setLoggedIn(true);
            
            // TODO: Navigate to the home page
        }
    }

    private boolean validateCredentials(String username, String password) {
        return username.equals(USERNAME) && password.equals(PASSWORD);
    }
}