package com.mm.android.deviceaddmodule.mobilecommon.utils;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.text.TextUtils;
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import android.util.Base64;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.io.StreamCorruptedException;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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public class PreferencesHelper {
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private final static String PRENAME = "dh_data";
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private static Context mContext = null;
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private SharedPreferences mConfig = null;
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private PreferencesHelper()
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{
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}
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private static class Instance{
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private static PreferencesHelper ph=new PreferencesHelper();
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}
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public static PreferencesHelper getInstance(Context context){
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mContext = context.getApplicationContext();
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return Instance.ph;
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}
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/**
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* 若不存在Key，则返回 空字符串
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* @param Key
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* @return
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*/
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public String getString(String Key){
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SharedPreferences config = getConfig();
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String result = config.getString(Key, "");
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return result;
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}
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/**
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* 若不存在Key，则返回 默认值
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*
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* @param Key
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* @return
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*/
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public String getString(String Key, String defValue) {
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SharedPreferences config = getConfig();
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String result = config.getString(Key, defValue);
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return result;
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}
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/**
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* 若不存在Key，则返回0
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* @param Key
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* @return
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*/
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public int getInt(String Key){
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SharedPreferences config = getConfig();
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int result = config.getInt(Key, 0);
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return result;
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}
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/**
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* 若不存在Key，则返回 默认值
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*
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* @param Key
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* @return
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*/
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public int getInt(String Key, int defValue) {
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SharedPreferences config = getConfig();
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int result = config.getInt(Key, defValue);
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return result;
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}
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/**
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* 若不存在Key，则返回 false
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* @param Key
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* @return
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*/
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public boolean getBoolean(String Key){
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SharedPreferences config = getConfig();
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boolean result = config.getBoolean(Key, false);
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return result;
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}
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/**
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* 若不存在Key，则返回 默认值
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*
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* @param Key
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* @return
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*/
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public boolean getBoolean(String Key, boolean defValue) {
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SharedPreferences config = getConfig();
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boolean result = config.getBoolean(Key, defValue);
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return result;
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}
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/**
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* 若不存在Key，则返回 false
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* @param Key
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* @return
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*/
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public float getFloat(String Key){
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SharedPreferences config = getConfig();
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float result = config.getFloat(Key, 0);
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return result;
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}
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/**
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* 若不存在Key，则返回 默认值
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*
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* @param Key
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* @return
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*/
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public float getFloat(String Key, float defValue) {
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SharedPreferences config = getConfig();
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float result = config.getFloat(Key, defValue);
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return result;
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}
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/**
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* 新消息推送模块,专业默认返回true的
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* <p>
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* </p>
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* @param Key
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* @return
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*/
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public boolean getMessagePushBoolean(String Key) {
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SharedPreferences config = getConfig();
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boolean result = config.getBoolean(Key, true);
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return result;
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}
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/**
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* 若不存在Key，则返回 0
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* @param Key
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* @return
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*/
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public long getLong(String Key){
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SharedPreferences config = getConfig();
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long result = config.getLong(Key, 0);
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return result;
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}
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public long getLong(String Key, long defValue){
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SharedPreferences config = getConfig();
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long result = config.getLong(Key, defValue);
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return result;
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}
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public void set(String key, String value){
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SharedPreferences config = getConfig();
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SharedPreferences.Editor editor = config.edit();
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editor.putString(key, value);
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editor.commit();
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}
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public void set(String key, int value){
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SharedPreferences config = getConfig();
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SharedPreferences.Editor editor = config.edit();
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editor.putInt(key, value);
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editor.commit();
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}
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public void set(String key, boolean value){
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SharedPreferences config = getConfig();
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SharedPreferences.Editor editor = config.edit();
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editor.putBoolean(key, value);
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editor.commit();
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editor.apply();
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}
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public void set(String key, long value){
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SharedPreferences config = getConfig();
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SharedPreferences.Editor editor = config.edit();
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editor.putLong(key, value);
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editor.commit();
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}
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public void set(String key, float value){
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SharedPreferences config = getConfig();
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SharedPreferences.Editor editor = config.edit();
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editor.putFloat(key, value);
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editor.commit();
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}
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public void set(String key, List<String> values) {
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if (values == null) {
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return;
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}
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Set<String> set = new HashSet<>(values);
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SharedPreferences config = getConfig();
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SharedPreferences.Editor editor = config.edit();
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editor.putStringSet(key, set);
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editor.commit();
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}
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public List<String> getStrings(String key) {
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List<String> list = new ArrayList<>();
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if (!contains(key)) {
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return list;
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}
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SharedPreferences config = getConfig();
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Set<String> set = config.getStringSet(key, new HashSet<String>());
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list.addAll(set);
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return list;
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}
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/**
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* 是否存在key值
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* @param key
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* @return
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*/
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public boolean contains(String key){
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SharedPreferences config = getConfig();
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return config.contains(key);
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}
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private SharedPreferences getConfig()
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{
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if(mConfig == null)
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{
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mConfig = mContext.getSharedPreferences(PRENAME, Context.MODE_PRIVATE);
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}
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return mConfig;
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}
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public void setData(String tempName, List<?> tempList) {
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SharedPreferences config = getConfig();
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// 创建字节输出流
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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try {
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// 创建对象输出流，并封装字节流
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ObjectOutputStream oos = new ObjectOutputStream(baos);
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// 将对象写入字节流
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oos.writeObject(tempList);
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// 将字节流编码成base64的字符串
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String tempBase64 = new String(Base64.encode(baos.toByteArray(),Base64.DEFAULT));
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SharedPreferences.Editor editor = config.edit();
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editor.putString(tempName, tempBase64);
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editor.commit();
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} catch (IOException e) {
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e.printStackTrace();
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} catch (OutOfMemoryError e) {
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e.printStackTrace();
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}
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}
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public List<?> getData(String tempName, List<?> tempList) {
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SharedPreferences config = getConfig();
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String tempBase64 = config.getString(tempName, "");// 初值空
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if (TextUtils.isEmpty(tempBase64)) {
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return tempList;
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}
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// 读取字节
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byte[] base64 = Base64.decode(tempBase64,Base64.DEFAULT);
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// 封装到字节流
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ByteArrayInputStream bais = new ByteArrayInputStream(base64);
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try {
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// 再次封装
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ObjectInputStream ois = new ObjectInputStream(bais);
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// 读取对象
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tempList = (List<?>) ois.readObject();
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} catch (StreamCorruptedException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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}
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return tempList;
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}
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/**
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* 对象存储
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*/
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public void setObject(String key, Object temp) {
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SharedPreferences config = getConfig();
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// 创建字节输出流
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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try {
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// 创建对象输出流，并封装字节流
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ObjectOutputStream oos = new ObjectOutputStream(baos);
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// 将对象写入字节流
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oos.writeObject(temp);
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// 将字节流编码成base64的字符串
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String tempBase64 = new String(Base64Help.encode(baos.toByteArray()));
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SharedPreferences.Editor editor = config.edit();
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editor.putString(key, tempBase64);
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editor.commit();
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} catch (IOException e) {
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e.printStackTrace();
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} catch (OutOfMemoryError e) {
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e.printStackTrace();
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}
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}
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public Object getObject(String key, Object defaultValue) {
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SharedPreferences config = getConfig();
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String tempBase64 = config.getString(key, "");// 初值空
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if (TextUtils.isEmpty(tempBase64)) {
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return defaultValue;
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}
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// 读取字节
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byte[] base64 = Base64Help.decode(tempBase64);
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// 封装到字节流
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ByteArrayInputStream bais = new ByteArrayInputStream(base64);
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try {
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// 再次封装
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ObjectInputStream ois = new ObjectInputStream(bais);
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// 读取对象
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defaultValue = ois.readObject();
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} catch (StreamCorruptedException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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}
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return defaultValue;
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}
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// key value
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public static void clearKeyValueCache(Context context,String totalKey) {
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PreferencesHelper preferencesHelper = PreferencesHelper.getInstance(context);
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ArrayList<String> urlKeyList = (ArrayList<String>)
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preferencesHelper.getData(totalKey, new ArrayList<String>());
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for (String urlKey : urlKeyList) {
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preferencesHelper.set(urlKey, "");
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}
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preferencesHelper.setData(totalKey, new ArrayList<String>());
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}
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public static void clearKeyValueCacheBySnCode(Context context,String totalKey,String key) {
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PreferencesHelper preferencesHelper = PreferencesHelper.getInstance(context);
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ArrayList<String> urlKeyList = (ArrayList<String>)
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preferencesHelper.getData(totalKey, new ArrayList<String>());
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ArrayList<String> newList = new ArrayList<>();
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for (String urlKey : urlKeyList) {
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if(urlKey!=null && urlKey.contains(key)){
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preferencesHelper.set(urlKey, "");
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}else{
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newList.add(urlKey);
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}
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}
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preferencesHelper.setData(totalKey, newList);
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}
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public static void saveKeyValueToCache(Context context,String totalKey, String singleKey,String value) {
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PreferencesHelper preferencesHelper = PreferencesHelper.getInstance(context);
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preferencesHelper.set(singleKey ,value);
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ArrayList<String> urlKeyList = (ArrayList<String>) preferencesHelper.getData(totalKey, new ArrayList<>());
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if(!urlKeyList.contains(singleKey)){
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urlKeyList.add(singleKey);
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}
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preferencesHelper.setData(totalKey ,urlKeyList);
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}
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public static void removeKey(Context context,String key) {
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PreferencesHelper preferencesHelper = PreferencesHelper.getInstance(context);
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SharedPreferences.Editor editor = preferencesHelper.getConfig().edit();
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editor.remove(key);
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editor.commit();
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}
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}
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