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/*******************************************************************************
* Copyright (c) 2010 Tasktop Technologies and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Tasktop Technologies - initial API and implementation
* Itema AS - bug 330064 notification filtering and model persistence
*******************************************************************************/
package org.eclipse.mylyn.internal.commons.ui.notifications;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map.Entry;
import org.eclipse.core.runtime.ISafeRunnable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.SafeRunner;
import org.eclipse.core.runtime.Status;
import org.eclipse.mylyn.commons.core.StatusHandler;
import org.eclipse.mylyn.commons.ui.notifications.AbstractNotification;
import org.eclipse.mylyn.commons.ui.notifications.INotificationService;
import org.eclipse.mylyn.commons.ui.notifications.NotificationSink;
import org.eclipse.mylyn.commons.ui.notifications.NotificationSinkEvent;
/**
* @author Steffen Pingel
* @author Torkild U. Resheim
*/
public class NotificationService implements INotificationService {
public NotificationService() {
}
/**
* Notify sinks about the.
*/
public void notify(List<? extends AbstractNotification> notifications) {
// Return if notifications are not globally enabled.
if (!NotificationsPlugin.getDefault()
.getPreferenceStore()
.getBoolean(NotificationsPlugin.PREF_NOTICATIONS_ENABLED)) {
return;
}
// For each sink assemble a list of notifications that are not blocked
// and pass these along.
HashMap<NotificationSink, ArrayList<AbstractNotification>> filtered = new HashMap<NotificationSink, ArrayList<AbstractNotification>>();
for (AbstractNotification notification : notifications) {
String id = notification.getEventId();
NotificationHandler handler = NotificationsPlugin.getDefault().getModel().getNotificationHandler(id);
if (handler != null) {
List<NotificationAction> actions = handler.getActions();
for (NotificationAction action : actions) {
if (action.isSelected()) {
NotificationSink sink = action.getSinkDescriptor().getSink();
if (sink != null) {
ArrayList<AbstractNotification> list = filtered.get(sink);
if (list == null) {
list = new ArrayList<AbstractNotification>();
filtered.put(sink, list);
}
list.add(notification);
}
}
}
}
}
// Go through all the sinks that have notifications to display and let
// them do their job.
for (Entry<NotificationSink, ArrayList<AbstractNotification>> entry : filtered.entrySet()) {
final NotificationSink sink = entry.getKey();
final NotificationSinkEvent event = new NotificationSinkEvent(new ArrayList<AbstractNotification>(
entry.getValue()));
SafeRunner.run(new ISafeRunnable() {
public void handleException(Throwable e) {
StatusHandler.log(new Status(IStatus.WARNING, NotificationsPlugin.ID_PLUGIN, "Sink failed: " //$NON-NLS-1$
+ sink.getClass(), e));
}
public void run() throws Exception {
sink.notify(event);
}
});
}
}
}
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