Page History

package com.example.newapp.pages;


import com.example.newapp.services.UserAuthenticator;
import org.apache.tapestry5.annotations.*;
import org.apache.tapestry5.corelib.components.Form;
import org.apache.tapestry5.corelib.components.PasswordField;
import org.apache.tapestry5.ioc.annotations.Inject;


public class Login {
    @Persist
    @Property 
    private String userName;

    @Property
    private String password;

    @Inject
    private UserAuthenticator authenticator;

    @InjectComponent("password")
    private PasswordField passwordField;

    @Component
    private Form loginForm;

    /**
     * Do the cross-field validation
     */
    void onValidateFromLoginForm() {
        if (!authenticator.isValid(userName, password)) {
            // record an error, and thereby prevent Tapestry from emitting a "success" event
            loginForm.recordError(passwordField, "Invalid user name or password.");
        }
    }

    /**
     * Validation passed, so we'll go to the "PostLogin" page
     */
    Object onSuccess() {
        return PostLogin.class;
    }
}