🎨 Replace nice name comparator with Kotlin version

[Sone.git] / src / main / kotlin / net / pterodactylus / sone / data / Sone.kt

diff --git a/src/main/kotlin/net/pterodactylus/sone/data/Sone.kt b/src/main/kotlin/net/pterodactylus/sone/data/Sone.kt
new file mode 100644 (file)
index 0000000..eb67dff
--- /dev/null
+++ b/src/main/kotlin/net/pterodactylus/sone/data/Sone.kt
@@ -0,0 +1,31 @@
+/**
+ * Sone - Sone.kt - Copyright © 2020 David ‘Bombe’ 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.data
+
+import net.pterodactylus.sone.template.*
+import java.util.Comparator.*
+
+private val caseInsensitiveCompare = { left: String, right: String -> left.compareTo(right, true) }
+
+/**
+ * Comparator that sorts Sones by their [nice name][SoneAccessor.getNiceName]
+ * and, failing that, by [ID][Sone.id].
+ */
+@get:JvmName("niceNameComparator") // TODO: remove once Sone is 100% Kotlin
+val niceNameComparator: Comparator<Sone> =
+               comparing(SoneAccessor::getNiceName, caseInsensitiveCompare).thenComparing(Sone::id)