58 lines
1.8 KiB
Kotlin
58 lines
1.8 KiB
Kotlin
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2017 Mariotaku Lee <mariotaku.lee@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.mariotaku.twidere.util.cache
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import com.bumptech.glide.disklrucache.DiskLruCache
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import org.mariotaku.twidere.BuildConfig
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import org.mariotaku.twidere.util.JsonSerializer
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import java.io.File
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import java.io.IOException
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/**
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* Created by mariotaku on 2017/3/1.
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*/
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class JsonCache(val cacheDir: File) {
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private val cache = try {
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DiskLruCache.open(cacheDir, BuildConfig.VERSION_CODE, 1, 100 * 1048576)
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} catch (e: IOException) {
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null
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}
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fun <T> getList(key: String, cls: Class<T>): List<T>? {
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return cache?.get(key)?.getFile(0)?.inputStream()?.use {
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JsonSerializer.parseList(it, cls)
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}
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}
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fun <T> saveList(key: String, list: List<T>, cls: Class<T>) {
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val editor = cache?.edit(key) ?: return
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try {
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editor.getFile(0)?.outputStream()?.use {
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JsonSerializer.serialize(list, it, cls)
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}
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editor.commit()
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} finally {
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editor.abortUnlessCommitted()
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}
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}
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}
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