Java tutorial
/** * 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.markup.html.WebPage; import org.apache.wicket.markup.html.form.Form; import org.apache.wicket.markup.html.form.PasswordTextField; import org.apache.wicket.markup.html.form.Radio; import org.apache.wicket.markup.html.form.RadioGroup; import org.apache.wicket.markup.html.form.RequiredTextField; import org.apache.wicket.markup.html.form.SubmitLink; import org.apache.wicket.markup.html.form.TextField; import org.apache.wicket.markup.html.panel.FeedbackPanel; import org.apache.wicket.model.Model; import org.apache.wicket.model.PropertyModel; import org.apache.wicket.spring.injection.annot.SpringBean; import org.apache.wicket.validation.validator.EmailAddressValidator; import org.apache.wicket.validation.validator.StringValidator; import org.hibernate.exception.ConstraintViolationException; import com.socialsite.SocialSiteSession; import com.socialsite.activation.UniversityActivator; import com.socialsite.dao.ProfileDao; import com.socialsite.dao.UserDao; import com.socialsite.home.HomePage; import com.socialsite.image.DefaultImage; import com.socialsite.persistence.Admin; import com.socialsite.persistence.Profile; import com.socialsite.persistence.Staff; import com.socialsite.persistence.Student; import com.socialsite.persistence.User; import com.socialsite.user.UserType; /** * * TODO send a confirmation message to the email * * sign up form * * @author Ananth */ public class SignUpPage extends WebPage { /** Model object for username */ private String userName; /** Model object for password */ private String password; /** Model object for password */ private String rePassword; /** Model object for email */ private String email; /** Model object for university name */ private String universityName; /** Model for the userType **/ private UserType userType; /** Feedback panel */ private final FeedbackPanel feedback; /** Spring Dao to handle profile object */ @SpringBean(name = "profileDao") private ProfileDao profileDao; /** Spring Dao to handle user object */ @SpringBean(name = "userDao") private UserDao<User> userDao; public SignUpPage() { // sign up form final Form<Object> form = new Form<Object>("signupform"); add(form); final TextField<String> username = new RequiredTextField<String>("username", new PropertyModel<String>(this, "userName")); username.add(StringValidator.maximumLength(16)); form.add(username); final TextField<String> emailTextField = new RequiredTextField<String>("email", new PropertyModel<String>(this, "email")); emailTextField.add(EmailAddressValidator.getInstance()); form.add(emailTextField); final PasswordTextField passwordTextField = new PasswordTextField("password", new PropertyModel<String>(this, "password")); passwordTextField.setRequired(true); passwordTextField.add(StringValidator.lengthBetween(6, 16)); form.add(passwordTextField); final PasswordTextField rePasswordTextField = new PasswordTextField("re-password", new PropertyModel<String>(this, "rePassword")); rePasswordTextField.setRequired(true); rePasswordTextField.add(StringValidator.lengthBetween(6, 16)); form.add(rePasswordTextField); final RadioGroup<UserType> userGroup = new RadioGroup<UserType>("usertype", new PropertyModel<UserType>(this, "userType")); userGroup.add(new Radio<UserType>("student", new Model<UserType>(UserType.STUDENT))); userGroup.add(new Radio<UserType>("staff", new Model<UserType>(UserType.STAFF))); userGroup.add(new Radio<UserType>("admin", new Model<UserType>(UserType.ADMIN))); form.add(userGroup); form.add(new TextField<String>("university", new PropertyModel<String>(this, "universityName"))); SubmitLink signUp; form.add(signUp = new SubmitLink("signup") { /** * */ private static final long serialVersionUID = 1L; @Override public void onSubmit() { if (!password.equals(rePassword)) { error("passwords should be same"); return; } // creates a user try { User user = null; switch (userType) { case STUDENT: user = new Student(userName, password); break; case STAFF: user = new Staff(userName, password); break; case ADMIN: if (universityName != null && !universityName.equals("")) { user = new Admin(userName, password); userDao.save(user); new UniversityActivator((Admin) user, universityName).create(); // final InfoMsg message = new InfoMsg(); // message.getUsers().add(user); // message.setMessage("Your request for adding new University is being processed"); // messageDao.save(message); } else { error("University Name required"); return; } break; default: error("Unknown error occured "); return; } userDao.save(user); final Profile p = new Profile(); p.setUser(user); user.setProfile(p); p.setEmail(email); // set the default image for the profile new DefaultImage().forUser(p); profileDao.save(p); final SocialSiteSession session = SocialSiteSession.get(); session.setSessionUser(new SessionUser(user.getId(), SocialSiteRoles.ownerRole)); session.setUserId(user.getId()); setResponsePage(new HomePage()); } catch (final ConstraintViolationException ex) { // updates the feedback panel error("username already exists"); // target.addComponent(feedback); return; } } }); // submit the form on return key form.setDefaultButton(signUp); // feedback panel feedback = new FeedbackPanel("feedback"); feedback.setOutputMarkupId(true); add(feedback); } }