/**
* Copyright 2010 Molindo GmbH
*
* 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 at.molindo.notify.confirm;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.TimeUnit;
import at.molindo.notify.INotifyService.IConfirmationListener;
import at.molindo.notify.dao.INotificationDAO;
import at.molindo.notify.model.Notification;
public class ConfirmationService implements IConfirmationService {
private static final long DEFAULT_CONFIRMATION_MAX_AGE_MS = TimeUnit.DAYS.toMillis(14);
private INotificationDAO _notificationDAO;
private final List<IConfirmationListener> _confirmationListeners = new CopyOnWriteArrayList<IConfirmationListener>();
private long _confirmationMaxAgeMs = DEFAULT_CONFIRMATION_MAX_AGE_MS;
public void setConfirmationListeners(Collection<? extends IConfirmationListener> listeners) {
if (_confirmationListeners.size() > 0) {
throw new IllegalStateException("already listeneres registered: " + _confirmationListeners);
}
_confirmationListeners.addAll(listeners);
}
@Override
public void addConfirmationListener(IConfirmationListener listener) {
_confirmationListeners.add(listener);
}
@Override
public void removeConfirmationListener(IConfirmationListener listener) {
_confirmationListeners.removeAll(Arrays.asList(listener));
}
@Override
public String confirm(String key) throws ConfirmationException {
Notification notification = _notificationDAO.getByConfirmationKey(key);
if (notification == null) {
return null;
}
if (System.currentTimeMillis() - notification.getDate().getTime() > _confirmationMaxAgeMs) {
return null;
}
for (IConfirmationListener l : _confirmationListeners) {
String redirect = l.confirm(notification);
if (redirect != null) {
if (!redirect.startsWith("/")) {
throw new IllegalArgumentException("redirect path must be absolute, was " + redirect);
}
return redirect;
}
}
throw new ConfirmationException("unhandled notification " + notification);
}
@Override
public Notification getNotificationByKey(String key) {
return key == null ? null : _notificationDAO.getByConfirmationKey(key);
}
public void setNotificationDAO(INotificationDAO notificationDAO) {
_notificationDAO = notificationDAO;
}
protected long getConfirmationMaxAgeMs() {
return _confirmationMaxAgeMs;
}
protected void setConfirmationMaxAgeMs(long confirmationMaxAgeMs) {
_confirmationMaxAgeMs = confirmationMaxAgeMs;
}
}