LoginPage.java

/**
 *     Copyright SocialSite (C) 2009
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.socialsite.authentication;

import org.apache.wicket.injection.web.InjectorHolder;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.markup.html.form.PasswordTextField;
import org.apache.wicket.markup.html.form.RequiredTextField;
import org.apache.wicket.markup.html.form.StatelessForm;
import org.apache.wicket.markup.html.form.SubmitLink;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.spring.injection.annot.SpringBean;

import com.socialsite.SocialSiteSession;
import com.socialsite.dao.UserDao;
import com.socialsite.home.HomePage;
import com.socialsite.persistence.User;

/**
 * login page of the application
 * 
 * @author Ananth
 */
public class LoginPage extends WebPage
{
	/** Model for the username */
	private String userName;
	/** Model for the password */
	private String password;
	/** Spring Dao to handle user object */
	@SpringBean(name = "userDao")
	private UserDao<User> userDao;

	public LoginPage()
	{
		// intialize the spring DAO
		InjectorHolder.getInjector().inject(this);

		final StatelessForm<Object> form = new StatelessForm<Object>("loginform");
		add(form);

		form.add(new RequiredTextField<String>("username", new PropertyModel<String>(this,
				"userName")));
		form.add(new PasswordTextField("password", new PropertyModel<String>(this, "password")));
		SubmitLink login;
		form.add(login = new SubmitLink("login")
		{

			/**
			 * 
			 */
			private static final long serialVersionUID = 1L;

			@Override
			public void onSubmit()
			{
				final User user = userDao.checkUserStatus(userName, password);
				if (user == null)
				{
					error("Invalid username or password");
					return;
				}
				final SocialSiteSession session = SocialSiteSession.get();
				session.setSessionUser(new SessionUser(user.getId(), SocialSiteRoles.ownerRole));
				session.setUserId(user.getId());
				setResponsePage(new HomePage());
			}
		});
		// submits the form when the user hit return
		form.setDefaultButton(login);

		// feedback panel
		add(new FeedbackPanel("feedback"));

	}
}