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* Copyright 2010, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.jboss.seam.examples.booking.account;
import javax.ejb.Stateful;
import javax.enterprise.inject.Model;
import javax.enterprise.inject.Produces;
import javax.faces.component.UIInput;
import javax.faces.context.FacesContext;
import javax.inject.Inject;
import javax.inject.Named;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import org.jboss.seam.examples.booking.i18n.DefaultBundleKey;
import org.jboss.seam.examples.booking.model.User;
import org.jboss.seam.international.status.Messages;
import org.jboss.seam.international.status.builder.BundleKey;
/**
* The view controller for registering a new user
*
* @author <a href="http://community.jboss.org/people/dan.j.allen">Dan Allen</a>
*/
@Stateful
@Model
public class Registrar {
@PersistenceContext
private EntityManager em;
@Inject
private Messages messages;
@Inject
private FacesContext facesContext;
private UIInput usernameInput;
private final User newUser = new User();
@NotNull
@Size(min = 5, max = 15)
private String confirmPassword;
private boolean registered;
private boolean registrationInvalid;
public void register() {
if (verifyUsernameIsAvailable()) {
registered = true;
em.persist(newUser);
messages.info(new DefaultBundleKey("registration_registered"))
.defaults("You have been successfully registered as the user {0}! You can now login.")
.params(newUser.getUsername());
} else {
registrationInvalid = true;
}
}
public boolean isRegistrationInvalid() {
return registrationInvalid;
}
/**
* This method just shows another approach to adding a status message.
* <p>
* Invoked by:
* </p>
* <p/>
* <pre>
* <f:event type="preRenderView" listener="#{registrar.notifyIfRegistrationIsInvalid}"/>
* </pre>
*/
public void notifyIfRegistrationIsInvalid() {
if (facesContext.isValidationFailed() || registrationInvalid) {
messages.warn(new DefaultBundleKey("registration_invalid")).defaults(
"Invalid registration. Please correct the errors and try again.");
}
}
@Produces
@Named
public User getNewUser() {
return newUser;
}
public boolean isRegistered() {
return registered;
}
public String getConfirmPassword() {
return confirmPassword;
}
public void setConfirmPassword(final String password) {
confirmPassword = password;
}
public UIInput getUsernameInput() {
return usernameInput;
}
public void setUsernameInput(final UIInput usernameInput) {
this.usernameInput = usernameInput;
}
private boolean verifyUsernameIsAvailable() {
User existing = em.find(User.class, newUser.getUsername());
if (existing != null) {
messages.warn(new BundleKey("messages", "account_usernameTaken"))
.defaults("The username '{0}' is already taken. Please choose another username.")
.targets(usernameInput.getClientId()).params(newUser.getUsername());
return false;
}
return true;
}
}