2 * Sone - IdentityLoader.java - Copyright © 2013 David Roden
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package net.pterodactylus.sone.freenet.wot;
20 import static com.google.common.collect.HashMultimap.create;
22 import java.util.Collection;
25 import net.pterodactylus.sone.freenet.plugin.PluginException;
27 import com.google.common.base.Optional;
28 import com.google.common.collect.Multimap;
31 * Loads {@link OwnIdentity}s and the {@link Identity}s they trust.
33 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
35 public class IdentityLoader {
37 private final WebOfTrustConnector webOfTrustConnector;
38 private final Optional<String> context;
40 public IdentityLoader(WebOfTrustConnector webOfTrustConnector) {
41 this(webOfTrustConnector, Optional.<String>absent());
44 public IdentityLoader(WebOfTrustConnector webOfTrustConnector, Optional<String> context) {
45 this.webOfTrustConnector = webOfTrustConnector;
46 this.context = context;
49 public Multimap<OwnIdentity, Identity> loadIdentities() throws WebOfTrustException {
50 Collection<OwnIdentity> currentOwnIdentities = webOfTrustConnector.loadAllOwnIdentities();
51 return loadTrustedIdentitiesForOwnIdentities(currentOwnIdentities);
54 private Multimap<OwnIdentity, Identity> loadTrustedIdentitiesForOwnIdentities(Collection<OwnIdentity> ownIdentities) throws PluginException {
55 Multimap<OwnIdentity, Identity> currentIdentities = create();
57 for (OwnIdentity ownIdentity : ownIdentities) {
58 if (identityDoesNotHaveTheCorrectContext(ownIdentity)) {
62 Set<Identity> trustedIdentities = webOfTrustConnector.loadTrustedIdentities(ownIdentity, context.orNull());
63 currentIdentities.putAll(ownIdentity, trustedIdentities);
66 return currentIdentities;
69 private boolean identityDoesNotHaveTheCorrectContext(OwnIdentity ownIdentity) {
70 return context.isPresent() && !ownIdentity.hasContext(context.get());