-/*
- * Sone - IdentityManager.java - Copyright © 2010–2013 David Roden
- *
- * 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 net.pterodactylus.sone.freenet.wot;
-import static com.google.common.base.Optional.fromNullable;
-import static com.google.common.collect.HashMultimap.create;
-
-import java.util.HashSet;
import java.util.Set;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-import net.pterodactylus.sone.freenet.plugin.PluginException;
-import net.pterodactylus.util.logging.Logging;
-import net.pterodactylus.util.service.AbstractService;
+import net.pterodactylus.util.service.Service;
-import com.google.common.collect.Multimap;
-import com.google.common.collect.Sets;
import com.google.common.eventbus.EventBus;
-import com.google.inject.Inject;
-import com.google.inject.name.Named;
+import com.google.inject.ImplementedBy;
/**
- * The identity manager takes care of loading and storing identities, their
- * contexts, and properties. It does so in a way that does not expose errors via
- * exceptions but it only logs them and tries to return sensible defaults.
- * <p>
- * It is also responsible for polling identities from the Web of Trust plugin
- * and sending events to the {@link EventBus} when {@link Identity}s and
- * {@link OwnIdentity}s are discovered or disappearing.
- *
- * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ * Connects to a {@link WebOfTrustConnector} and sends identity events to an
+ * {@link EventBus}.
*/
-public class IdentityManager extends AbstractService {
-
- /** The logger. */
- private static final Logger logger = Logging.getLogger(IdentityManager.class);
-
- /** The event bus. */
- private final EventBus eventBus;
-
- private final IdentityLoader identityLoader;
-
- /** The Web of Trust connector. */
- private final WebOfTrustConnector webOfTrustConnector;
-
- /** The currently known own identities. */
- private final Set<OwnIdentity> currentOwnIdentities = Sets.newHashSet();
-
- /**
- * Creates a new identity manager.
- *
- * @param eventBus
- * The event bus
- * @param webOfTrustConnector
- * The Web of Trust connector
- * @param context
- * The context to focus on (may be {@code null} to ignore
- * contexts)
- */
- @Inject
- public IdentityManager(EventBus eventBus, WebOfTrustConnector webOfTrustConnector, @Named("WebOfTrustContext") String context) {
- super("Sone Identity Manager", false);
- this.eventBus = eventBus;
- this.webOfTrustConnector = webOfTrustConnector;
- this.identityLoader = new IdentityLoader(webOfTrustConnector, fromNullable(context));
- }
-
- //
- // ACCESSORS
- //
-
- /**
- * Returns whether the Web of Trust plugin could be reached during the last
- * try.
- *
- * @return {@code true} if the Web of Trust plugin is connected,
- * {@code false} otherwise
- */
- public boolean isConnected() {
- try {
- webOfTrustConnector.ping();
- return true;
- } catch (PluginException pe1) {
- /* not connected, ignore. */
- return false;
- }
- }
-
- /**
- * Returns all own identities.
- *
- * @return All own identities
- */
- public Set<OwnIdentity> getAllOwnIdentities() {
- synchronized (currentOwnIdentities) {
- return new HashSet<OwnIdentity>(currentOwnIdentities);
- }
- }
-
- //
- // SERVICE METHODS
- //
-
- /**
- * {@inheritDoc}
- */
- @Override
- protected void serviceRun() {
- Multimap<OwnIdentity, Identity> oldIdentities = create();
-
- while (!shouldStop()) {
- try {
- Multimap<OwnIdentity, Identity> currentIdentities = identityLoader.loadIdentities();
-
- IdentityChangeEventSender identityChangeEventSender = new IdentityChangeEventSender(eventBus, oldIdentities);
- identityChangeEventSender.detectChanges(currentIdentities);
-
- oldIdentities = currentIdentities;
-
- synchronized (currentOwnIdentities) {
- currentOwnIdentities.clear();
- currentOwnIdentities.addAll(currentIdentities.keySet());
- }
- } catch (WebOfTrustException wote1) {
- logger.log(Level.WARNING, "WoT has disappeared!", wote1);
- }
+@ImplementedBy(IdentityManagerImpl.class)
+public interface IdentityManager extends Service {
- /* wait a minute before checking again. */
- sleep(60 * 1000);
- }
- }
+ boolean isConnected();
+ Set<OwnIdentity> getAllOwnIdentities();
}
projects / Sone.git / blobdiff