package com.example.basecore.util
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import android.annotation.SuppressLint
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import android.app.Application
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import android.content.Context
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import android.content.SharedPreferences
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import java.io.*
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/**
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* author： dai
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* date ： 2019-11-23
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* desc: sp本地存储
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*/
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object SPUtils {
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private lateinit var sp: SharedPreferences
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fun initSp( app : Application) {
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sp = app.getSharedPreferences(
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"my_sp",
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Context.MODE_PRIVATE
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)
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}
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@SuppressLint("CommitPrefEdits")
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fun <T> putValue(name: String, value: T) = with(sp.edit()) {
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when (value) {
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is Long -> putLong(name, value)
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is String -> putString(name, value)
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is Int -> putInt(name, value)
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is Boolean -> putBoolean(name, value)
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is Float -> putFloat(name, value)
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else -> putString(name, serialize(value))
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}.apply()
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}
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@JvmStatic
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fun getString(key: String, default: String = "-1"): String {
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return sp.getString(key, default) ?: ""
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}
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@JvmStatic
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fun getBoolean(key: String, default: Boolean = false): Boolean {
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return sp.getBoolean(key, default)
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}
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@JvmStatic
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fun getInt(key: String, default: Int = -1): Int {
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return sp.getInt(key, default)
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}
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@JvmStatic
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fun getLong(key: String, default: Long = -1L): Long {
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return sp.getLong(key, default)
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}
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@JvmStatic
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fun getFloat(key: String, default: Float = -1f): Float {
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return sp.getFloat(key, default)
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}
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/**
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* 删除全部数据
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*/
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fun clearSP() {
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sp.edit().clear().apply()
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}
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/**
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* 根据key删除存储数据
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*/
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fun clearSPWithKey(key: String) {
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sp.edit().remove(key).apply()
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}
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/**
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* 序列化对象
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* @param person
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* *
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* @return
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* *
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* @throws IOException
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*/
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@Throws(IOException::class)
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private fun <A> serialize(obj: A): String {
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val byteArrayOutputStream = ByteArrayOutputStream()
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val objectOutputStream = ObjectOutputStream(
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byteArrayOutputStream
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)
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objectOutputStream.writeObject(obj)
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var serStr = byteArrayOutputStream.toString("ISO-8859-1")
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serStr = java.net.URLEncoder.encode(serStr, "UTF-8")
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objectOutputStream.close()
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byteArrayOutputStream.close()
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return serStr
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}
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/**
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* 反序列化对象
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* @param str
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* *
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* @return
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* *
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* @throws IOException
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* *
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* @throws ClassNotFoundException
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*/
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@Suppress("UNCHECKED_CAST")
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@Throws(IOException::class, ClassNotFoundException::class)
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private fun <A> deSerialization(str: String): A {
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val redStr = java.net.URLDecoder.decode(str, "UTF-8")
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val byteArrayInputStream = ByteArrayInputStream(
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redStr.toByteArray(charset("ISO-8859-1"))
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)
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val objectInputStream = ObjectInputStream(
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byteArrayInputStream
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)
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val obj = objectInputStream.readObject() as A
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objectInputStream.close()
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byteArrayInputStream.close()
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return obj
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}
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}
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