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package ca.allanwang.kau.kpref
import android.content.SharedPreferences
internal interface KPrefTransaction<T> {
fun get(prefs: SharedPreferences, key: String, fallback: T): T
fun set(editor: SharedPreferences.Editor, key: String, data: T)
}
internal object KPrefBooleanTransaction : KPrefTransaction<Boolean> {
override fun get(prefs: SharedPreferences, key: String, fallback: Boolean) =
prefs.getBoolean(key, fallback)
override fun set(editor: SharedPreferences.Editor, key: String, data: Boolean) {
editor.putBoolean(key, data)
}
}
internal object KPrefIntTransaction : KPrefTransaction<Int> {
override fun get(prefs: SharedPreferences, key: String, fallback: Int) =
prefs.getInt(key, fallback)
override fun set(editor: SharedPreferences.Editor, key: String, data: Int) {
editor.putInt(key, data)
}
}
internal object KPrefLongTransaction : KPrefTransaction<Long> {
override fun get(prefs: SharedPreferences, key: String, fallback: Long) =
prefs.getLong(key, fallback)
override fun set(editor: SharedPreferences.Editor, key: String, data: Long) {
editor.putLong(key, data)
}
}
internal object KPrefFloatTransaction : KPrefTransaction<Float> {
override fun get(prefs: SharedPreferences, key: String, fallback: Float) =
prefs.getFloat(key, fallback)
override fun set(editor: SharedPreferences.Editor, key: String, data: Float) {
editor.putFloat(key, data)
}
}
internal object KPrefStringTransaction : KPrefTransaction<String> {
override fun get(prefs: SharedPreferences, key: String, fallback: String) =
prefs.getString(key, fallback)
override fun set(editor: SharedPreferences.Editor, key: String, data: String) {
editor.putString(key, data)
}
}
internal object KPrefSetTransaction : KPrefTransaction<Set<String>> {
override fun get(prefs: SharedPreferences, key: String, fallback: Set<String>) =
prefs.getStringSet(key, fallback)!!
override fun set(editor: SharedPreferences.Editor, key: String, data: Set<String>) {
editor.putStringSet(key, data)
}
}
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