+++ /dev/null
-/*
- * Sone - IdentityChangeEventSender.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.Collection;
-import java.util.Map;
-
-import net.pterodactylus.sone.freenet.wot.IdentityChangeDetector.IdentityProcessor;
-import net.pterodactylus.sone.freenet.wot.event.IdentityAddedEvent;
-import net.pterodactylus.sone.freenet.wot.event.IdentityRemovedEvent;
-import net.pterodactylus.sone.freenet.wot.event.IdentityUpdatedEvent;
-import net.pterodactylus.sone.freenet.wot.event.OwnIdentityAddedEvent;
-import net.pterodactylus.sone.freenet.wot.event.OwnIdentityRemovedEvent;
-
-import com.google.common.eventbus.EventBus;
-
-/**
- * Detects changes in {@link Identity}s trusted my multiple {@link
- * OwnIdentity}s.
- *
- * @see IdentityChangeDetector
- */
-public class IdentityChangeEventSender {
-
- private final EventBus eventBus;
- private final Map<OwnIdentity, Collection<Identity>> oldIdentities;
-
- public IdentityChangeEventSender(EventBus eventBus, Map<OwnIdentity, Collection<Identity>> oldIdentities) {
- this.eventBus = eventBus;
- this.oldIdentities = oldIdentities;
- }
-
- public void detectChanges(Map<OwnIdentity, Collection<Identity>> identities) {
- IdentityChangeDetector identityChangeDetector = new IdentityChangeDetector(oldIdentities.keySet());
- identityChangeDetector.onNewIdentity(addNewOwnIdentityAndItsTrustedIdentities(identities));
- identityChangeDetector.onRemovedIdentity(removeOwnIdentityAndItsTrustedIdentities(oldIdentities));
- identityChangeDetector.onUnchangedIdentity(detectChangesInTrustedIdentities(identities, oldIdentities));
- identityChangeDetector.detectChanges(identities.keySet());
- }
-
- private IdentityProcessor addNewOwnIdentityAndItsTrustedIdentities(final Map<OwnIdentity, Collection<Identity>> newIdentities) {
- return new IdentityProcessor() {
- @Override
- public void processIdentity(Identity identity) {
- eventBus.post(new OwnIdentityAddedEvent((OwnIdentity) identity));
- for (Identity newIdentity : newIdentities.get((OwnIdentity) identity)) {
- eventBus.post(new IdentityAddedEvent((OwnIdentity) identity, newIdentity));
- }
- }
- };
- }
-
- private IdentityProcessor removeOwnIdentityAndItsTrustedIdentities(final Map<OwnIdentity, Collection<Identity>> oldIdentities) {
- return new IdentityProcessor() {
- @Override
- public void processIdentity(Identity identity) {
- eventBus.post(new OwnIdentityRemovedEvent((OwnIdentity) identity));
- for (Identity removedIdentity : oldIdentities.get((OwnIdentity) identity)) {
- eventBus.post(new IdentityRemovedEvent((OwnIdentity) identity, removedIdentity));
- }
- }
- };
- }
-
- private IdentityProcessor detectChangesInTrustedIdentities(Map<OwnIdentity, Collection<Identity>> newIdentities, Map<OwnIdentity, Collection<Identity>> oldIdentities) {
- return new DefaultIdentityProcessor(oldIdentities, newIdentities);
- }
-
- private class DefaultIdentityProcessor implements IdentityProcessor {
-
- private final Map<OwnIdentity, Collection<Identity>> oldIdentities;
- private final Map<OwnIdentity, Collection<Identity>> newIdentities;
-
- public DefaultIdentityProcessor(Map<OwnIdentity, Collection<Identity>> oldIdentities, Map<OwnIdentity, Collection<Identity>> newIdentities) {
- this.oldIdentities = oldIdentities;
- this.newIdentities = newIdentities;
- }
-
- @Override
- public void processIdentity(Identity ownIdentity) {
- IdentityChangeDetector identityChangeDetector = new IdentityChangeDetector(oldIdentities.get((OwnIdentity) ownIdentity));
- identityChangeDetector.onNewIdentity(notifyForAddedIdentities((OwnIdentity) ownIdentity));
- identityChangeDetector.onRemovedIdentity(notifyForRemovedIdentities((OwnIdentity) ownIdentity));
- identityChangeDetector.onChangedIdentity(notifyForChangedIdentities((OwnIdentity) ownIdentity));
- identityChangeDetector.detectChanges(newIdentities.get((OwnIdentity) ownIdentity));
- }
-
- private IdentityProcessor notifyForChangedIdentities(final OwnIdentity ownIdentity) {
- return new IdentityProcessor() {
- @Override
- public void processIdentity(Identity identity) {
- eventBus.post(new IdentityUpdatedEvent(ownIdentity, identity));
- }
- };
- }
-
- private IdentityProcessor notifyForRemovedIdentities(final OwnIdentity ownIdentity) {
- return new IdentityProcessor() {
- @Override
- public void processIdentity(Identity identity) {
- eventBus.post(new IdentityRemovedEvent(ownIdentity, identity));
- }
- };
- }
-
- private IdentityProcessor notifyForAddedIdentities(final OwnIdentity ownIdentity) {
- return new IdentityProcessor() {
- @Override
- public void processIdentity(Identity identity) {
- eventBus.post(new IdentityAddedEvent(ownIdentity, identity));
- }
- };
- }
-
- }
-
-}