-/*
- * Sone - IdentityLoader.java - Copyright © 2013–2019 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 java.util.*;
-import java.util.logging.*;
-import javax.annotation.*;
-
-import com.google.common.base.*;
-import com.google.inject.*;
-import net.pterodactylus.sone.freenet.plugin.*;
-
-import static java.util.concurrent.TimeUnit.*;
-
-/**
- * Loads {@link OwnIdentity}s and the {@link Identity}s they trust.
- */
-public class IdentityLoader {
-
- private final Logger logger = Logger.getLogger(IdentityLoader.class.getName());
- private final WebOfTrustConnector webOfTrustConnector;
- @Nullable
- private final Context context;
-
- public IdentityLoader(WebOfTrustConnector webOfTrustConnector) {
- this(webOfTrustConnector, null);
- }
-
- @Inject
- public IdentityLoader(WebOfTrustConnector webOfTrustConnector, @Nullable Context context) {
- this.webOfTrustConnector = webOfTrustConnector;
- this.context = context;
- }
-
- public Map<OwnIdentity, Collection<Identity>> loadIdentities() throws WebOfTrustException {
- Stopwatch stopwatch = Stopwatch.createStarted();
- Collection<OwnIdentity> currentOwnIdentities = webOfTrustConnector.loadAllOwnIdentities();
- logger.fine("Loaded " + currentOwnIdentities.size() + " own identities in " + (stopwatch.elapsed(MILLISECONDS) / 1000.0) + "s.");
- return loadTrustedIdentitiesForOwnIdentities(currentOwnIdentities);
- }
-
- private Map<OwnIdentity, Collection<Identity>> loadTrustedIdentitiesForOwnIdentities(Collection<OwnIdentity> ownIdentities) throws PluginException {
- Map<OwnIdentity, Collection<Identity>> currentIdentities = new HashMap<>();
-
- for (OwnIdentity ownIdentity : ownIdentities) {
- if (identityDoesNotHaveTheCorrectContext(ownIdentity)) {
- currentIdentities.put(ownIdentity, Collections.<Identity>emptySet());
- continue;
- }
-
- Stopwatch stopwatch = Stopwatch.createStarted();
- Set<Identity> trustedIdentities = webOfTrustConnector.loadTrustedIdentities(ownIdentity, (context == null) ? null : context.getContext());
- logger.fine("Loaded " + trustedIdentities.size() + " identities for " + ownIdentity.getNickname() + " in " + (stopwatch.elapsed(MILLISECONDS) / 1000.0) + "s.");
- currentIdentities.put(ownIdentity, trustedIdentities);
- }
-
- return currentIdentities;
- }
-
- private boolean identityDoesNotHaveTheCorrectContext(OwnIdentity ownIdentity) {
- return (context != null) && !ownIdentity.hasContext(context.getContext());
- }
-
-}