2 * Sone - IdentityLoader.java - Copyright © 2013–2019 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 com.google.common.base.*
21 import com.google.inject.*
22 import net.pterodactylus.sone.freenet.plugin.*
23 import java.util.concurrent.TimeUnit.*
24 import java.util.logging.*
27 * Loads [OwnIdentity]s and the [Identity]s they trust.
29 class IdentityLoader @Inject constructor(private val webOfTrustConnector: WebOfTrustConnector, private val context: Context? = null) {
31 private val logger: Logger = Logger.getLogger(IdentityLoader::class.java.name)
33 @Throws(WebOfTrustException::class)
34 fun loadIdentities(): Map<OwnIdentity, Collection<Identity>> =
35 time({ stopwatch, identities -> "Loaded ${identities.size} own identities in ${stopwatch.elapsed(MILLISECONDS) / 1000.0}s." }) {
36 webOfTrustConnector.loadAllOwnIdentities()
37 }.let(this::loadTrustedIdentitiesForOwnIdentities)
39 @Throws(PluginException::class)
40 private fun loadTrustedIdentitiesForOwnIdentities(ownIdentities: Collection<OwnIdentity>) =
41 ownIdentities.associateWith { ownIdentity ->
42 if (ownIdentity.doesNotHaveCorrectContext()) {
45 time({ stopwatch, identities -> "Loaded ${identities.size} identities for ${ownIdentity.nickname} in ${stopwatch.elapsed(MILLISECONDS) / 1000.0}s." }) {
46 webOfTrustConnector.loadTrustedIdentities(ownIdentity, context?.context)
51 private fun OwnIdentity.doesNotHaveCorrectContext() =
52 context != null && !hasContext(context.context)
54 private fun <R> time(logMessage: (Stopwatch, Collection<R>) -> String, loader: () -> Collection<R>): Collection<R> =
55 Stopwatch.createStarted().let { stopwatch ->
56 loader().also { logger.fine(logMessage(stopwatch, it)) }