/*
 * Copyright 2009-2014 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jdal.vaadin.auth;

import org.jdal.vaadin.annotation.UiMapping;
import org.jdal.vaadin.ui.VaadinView;

import com.vaadin.annotations.PreserveOnRefresh;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinService;
import com.vaadin.ui.UI;

/**
 * Default login UI for Spring Security
 * 
 * @author Jose Luis Martin
 * @since 2.1
 */
@UiMapping("/login")
@PreserveOnRefresh
public class LoginUI extends UI implements AuthenticationListener {

	private LoginView loginView;
	private String successUrl = "/";
	
	@Override
	protected void init(VaadinRequest request) {
		this.loginView.addAuthenticationListener(this);
		this.setContent(loginView.getPanel());
	}
	
	@Override
	public void handleAuthentication(AuthenticationEvent event) {
		getPage().setLocation(getApplicationUrl());
	}
	
	/**
	 * @return
	 */
	private String getApplicationUrl() {
		return VaadinService.getCurrentRequest().getContextPath() + successUrl;
	}

	/**
	 * @return the view
	 */
	public VaadinView<Credentials> getLoginView() {
		return loginView;
	}

	/**
	 * @param view the view to set
	 */
	public void setLoginView(LoginView loginView) {
		this.loginView = loginView;
	}

	/**
	 * @return the successUrl
	 */
	public String getSuccessUrl() {
		return successUrl;
	}

	/**
	 * @param successUrl the successUrl to set
	 */
	public void setSuccessUrl(String successUrl) {
		this.successUrl = successUrl;
	}
	
}