import java.util.logging.Level;
import java.util.logging.Logger;
-import net.pterodactylus.util.filter.Filter;
-import net.pterodactylus.util.filter.Filters;
import net.pterodactylus.util.logging.Logging;
import net.pterodactylus.util.service.AbstractService;
*/
public class IdentityManager extends AbstractService {
+ /** Object used for synchronization. */
+ private final Object syncObject = new Object() {
+ /* inner class for better lock names. */
+ };
+
/** The logger. */
private static final Logger logger = Logging.getLogger(IdentityManager.class);
/** The context to filter for. */
private volatile String context;
- /** Whether the Web of Trust plugin is connected. */
- private volatile boolean wotPluginConnected = false;
+ /** The currently known own identities. */
+ /* synchronize access on syncObject. */
+ private Map<String, OwnIdentity> currentOwnIdentities = new HashMap<String, OwnIdentity>();
/**
* Creates a new identity manager.
* {@code false} otherwise
*/
public boolean isConnected() {
- return wotPluginConnected;
+ try {
+ webOfTrustConnector.ping();
+ return true;
+ } catch (PluginException pe1) {
+ /* not connected, ignore. */
+ return false;
+ }
}
/**
*/
public Set<OwnIdentity> getAllOwnIdentities() {
try {
- Set<OwnIdentity> allOwnIdentities = webOfTrustConnector.loadAllOwnIdentities();
- wotPluginConnected = true;
- return allOwnIdentities;
+ Set<OwnIdentity> ownIdentities = webOfTrustConnector.loadAllOwnIdentities();
+ Map<String, OwnIdentity> newOwnIdentities = new HashMap<String, OwnIdentity>();
+ for (OwnIdentity ownIdentity : ownIdentities) {
+ newOwnIdentities.put(ownIdentity.getId(), ownIdentity);
+ }
+ checkOwnIdentities(newOwnIdentities);
+ return ownIdentities;
} catch (PluginException pe1) {
logger.log(Level.WARNING, "Could not load all own identities!", pe1);
- wotPluginConnected = false;
return Collections.emptySet();
}
}
}
try {
webOfTrustConnector.addContext(ownIdentity, context);
- wotPluginConnected = true;
ownIdentity.addContext(context);
} catch (PluginException pe1) {
logger.log(Level.WARNING, "Could not add context " + context + " to OwnIdentity " + ownIdentity + ".", pe1);
- wotPluginConnected = false;
}
}
}
try {
webOfTrustConnector.removeContext(ownIdentity, context);
- wotPluginConnected = true;
ownIdentity.removeContext(context);
} catch (PluginException pe1) {
logger.log(Level.WARNING, "Could not remove context " + context + " from OwnIdentity " + ownIdentity + ".", pe1);
- wotPluginConnected = false;
}
}
public void setProperty(OwnIdentity ownIdentity, String name, String value) {
try {
webOfTrustConnector.setProperty(ownIdentity, name, value);
- wotPluginConnected = true;
ownIdentity.setProperty(name, value);
} catch (PluginException pe1) {
logger.log(Level.WARNING, "Could not set property “" + name + "” to “" + value + "” for OwnIdentity: " + ownIdentity, pe1);
- wotPluginConnected = false;
}
}
public void removeProperty(OwnIdentity ownIdentity, String name) {
try {
webOfTrustConnector.removeProperty(ownIdentity, name);
- wotPluginConnected = true;
ownIdentity.removeProperty(name);
} catch (PluginException pe1) {
logger.log(Level.WARNING, "Could not remove property “" + name + "” from OwnIdentity: " + ownIdentity, pe1);
- wotPluginConnected = false;
}
}
@Override
protected void serviceRun() {
Map<String, Identity> oldIdentities = Collections.emptyMap();
- Map<String, OwnIdentity> oldOwnIdentities = Collections.emptyMap();
while (!shouldStop()) {
Map<String, Identity> currentIdentities = new HashMap<String, Identity>();
Map<String, OwnIdentity> currentOwnIdentities = new HashMap<String, OwnIdentity>();
/* get all identities with the wanted context from WoT. */
Set<OwnIdentity> ownIdentities;
try {
- ownIdentities = Filters.filteredSet(webOfTrustConnector.loadAllOwnIdentities(), new Filter<OwnIdentity>() {
-
- @Override
- @SuppressWarnings("synthetic-access")
- public boolean filterObject(OwnIdentity ownIdentity) {
- return (context == null) || ownIdentity.hasContext(context);
- }
+ ownIdentities = webOfTrustConnector.loadAllOwnIdentities();
- });
+ /* check for changes. */
for (OwnIdentity ownIdentity : ownIdentities) {
currentOwnIdentities.put(ownIdentity.getId(), ownIdentity);
- for (Identity identity : webOfTrustConnector.loadTrustedIdentities(ownIdentity, context)) {
- currentIdentities.put(identity.getId(), identity);
- }
}
+ checkOwnIdentities(currentOwnIdentities);
- /* find removed own identities: */
- for (OwnIdentity oldOwnIdentity : oldOwnIdentities.values()) {
- if (!currentOwnIdentities.containsKey(oldOwnIdentity.getId())) {
- identityListenerManager.fireOwnIdentityRemoved(oldOwnIdentity);
+ /* now filter for context and get all identities. */
+ currentOwnIdentities.clear();
+ for (OwnIdentity ownIdentity : ownIdentities) {
+ if ((context != null) && !ownIdentity.hasContext(context)) {
+ continue;
}
- }
-
- /* find added own identities. */
- for (OwnIdentity currentOwnIdentity : currentOwnIdentities.values()) {
- if (!oldOwnIdentities.containsKey(currentOwnIdentity.getId())) {
- identityListenerManager.fireOwnIdentityAdded(currentOwnIdentity);
+ currentOwnIdentities.put(ownIdentity.getId(), ownIdentity);
+ for (Identity identity : webOfTrustConnector.loadTrustedIdentities(ownIdentity, context)) {
+ currentIdentities.put(identity.getId(), identity);
}
}
}
}
+ /* check for changes in the contexts. */
+ for (Identity oldIdentity : oldIdentities.values()) {
+ if (!currentIdentities.containsKey(oldIdentity.getId())) {
+ continue;
+ }
+ Identity newIdentity = currentIdentities.get(oldIdentity.getId());
+ Set<String> oldContexts = oldIdentity.getContexts();
+ Set<String> newContexts = newIdentity.getContexts();
+ if (oldContexts.size() != newContexts.size()) {
+ identityListenerManager.fireIdentityUpdated(newIdentity);
+ continue;
+ }
+ for (String oldContext : oldContexts) {
+ if (!newContexts.contains(oldContext)) {
+ identityListenerManager.fireIdentityUpdated(newIdentity);
+ break;
+ }
+ }
+ }
+
/* check for changes in the properties. */
for (Identity oldIdentity : oldIdentities.values()) {
if (!currentIdentities.containsKey(oldIdentity.getId())) {
/* remember the current set of identities. */
oldIdentities = currentIdentities;
- oldOwnIdentities = currentOwnIdentities;
} catch (PluginException pe1) {
logger.log(Level.WARNING, "WoT has disappeared!", pe1);
}
}
+ //
+ // PRIVATE METHODS
+ //
+
+ /**
+ * Checks the given new list of own identities for added or removed own
+ * identities, as compared to {@link #currentOwnIdentities}.
+ *
+ * @param newOwnIdentities
+ * The new own identities
+ */
+ private void checkOwnIdentities(Map<String, OwnIdentity> newOwnIdentities) {
+ synchronized (syncObject) {
+
+ /* find removed own identities: */
+ for (OwnIdentity oldOwnIdentity : currentOwnIdentities.values()) {
+ if (!newOwnIdentities.containsKey(oldOwnIdentity.getId())) {
+ identityListenerManager.fireOwnIdentityRemoved(oldOwnIdentity);
+ }
+ }
+
+ /* find added own identities. */
+ for (OwnIdentity currentOwnIdentity : newOwnIdentities.values()) {
+ if (!currentOwnIdentities.containsKey(currentOwnIdentity.getId())) {
+ identityListenerManager.fireOwnIdentityAdded(currentOwnIdentity);
+ }
+ }
+
+ currentOwnIdentities.clear();
+ currentOwnIdentities.putAll(newOwnIdentities);
+ }
+ }
+
}