____ _ _______ __
/ __ \ | /| / / __/ |/ /
/ /_/ / |/ |/ / _// /
\____/|__/|__/___/_||_/
owenclave / app/src/main/java/io/nekohasekai/sagernet/database/StringCollectionConverter.kt
/******************************************************************************
* *
* Copyright (C) 2024 by HystericalDragons *
* *
* 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 . *
* *
******************************************************************************/
package io.nekohasekai.sagernet.database
import androidx.room.TypeConverter
class StringCollectionConverter {
companion object {
@TypeConverter
@JvmStatic
fun fromSet(set: Set): String = if (set.isEmpty()) {
""
} else {
set.joinToString(",")
}
@TypeConverter
@JvmStatic
fun toSet(str: String): Set = if (str.isBlank()) {
emptySet()
} else {
str.split(",").toSet()
}
}
}