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[Sone.git] / src / main / kotlin / net / pterodactylus / sone / freenet / wot / DefaultIdentity.kt

diff --git a/src/main/kotlin/net/pterodactylus/sone/freenet/wot/DefaultIdentity.kt b/src/main/kotlin/net/pterodactylus/sone/freenet/wot/DefaultIdentity.kt
new file mode 100644 (file)
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--- /dev/null
+++ b/src/main/kotlin/net/pterodactylus/sone/freenet/wot/DefaultIdentity.kt
@@ -0,0 +1,109 @@
+/*
+ * Sone - DefaultIdentity.java - Copyright © 2010–2019 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.Collections.*
+
+/**
+ * A Web of Trust identity.
+ */
+open class DefaultIdentity(private val id: String, private val nickname: String?, private val requestUri: String) : Identity {
+
+       private val contexts = mutableSetOf<String>().synchronized()
+       private val properties = mutableMapOf<String, String>().synchronized()
+       private val trustCache = mutableMapOf<OwnIdentity, Trust>().synchronized()
+
+       override fun getId() = id
+       override fun getNickname() = nickname
+       override fun getRequestUri() = requestUri
+       override fun getContexts() = synchronized(contexts) { contexts.toSet() }
+
+       override fun hasContext(context: String) = context in contexts
+
+       override fun setContexts(contexts: Set<String>) {
+               synchronized(this.contexts) {
+                       this.contexts.clear()
+                       this.contexts.addAll(contexts)
+               }
+       }
+
+       override fun addContext(context: String): Identity = apply {
+               synchronized(this.contexts) {
+                       contexts += context
+               }
+       }
+
+       override fun removeContext(context: String): Identity = apply {
+               synchronized(this.contexts) {
+                       contexts -= context
+               }
+       }
+
+       override fun getProperties() = synchronized(properties) { properties.toMap() }
+
+       override fun setProperties(properties: Map<String, String>) {
+               synchronized(this.properties) {
+                       this.properties.clear()
+                       this.properties.putAll(properties)
+               }
+       }
+
+       override fun getProperty(name: String) = synchronized(properties) { properties[name] }
+
+       override fun setProperty(name: String, value: String): Identity = apply {
+               synchronized(properties) {
+                       properties[name] = value
+               }
+       }
+
+       override fun removeProperty(name: String): Identity = apply {
+               synchronized(properties) {
+                       properties -= name
+               }
+       }
+
+       override fun getTrust(ownIdentity: OwnIdentity) = synchronized(trustCache) {
+               trustCache[ownIdentity]
+       }
+
+       override fun setTrust(ownIdentity: OwnIdentity, trust: Trust) = apply {
+               synchronized(trustCache) {
+                       trustCache[ownIdentity] = trust
+               }
+       }
+
+       override fun removeTrust(ownIdentity: OwnIdentity) = apply {
+               synchronized(trustCache) {
+                       trustCache -= ownIdentity
+               }
+       }
+
+       override fun hashCode() = id.hashCode()
+
+       override fun equals(other: Any?) = if (other !is Identity) {
+               false
+       } else {
+               other.id == getId()
+       }
+
+       override fun toString() = "${javaClass.simpleName}[id=$id,nickname=$nickname,contexts=$contexts,properties=$properties]"
+
+}
+
+private fun <T> Set<T>.synchronized(): MutableSet<T> = synchronizedSet(this)
+private fun <K, V> Map<K, V>.synchronized(): MutableMap<K, V> = synchronizedMap(this)