/**
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* Copyright (C), 2014-2017, Zhengzhou IMAN Technology Development. Co., Ltd
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* Company: ImanSoft( http://www.imansoft.cn/ )
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*/
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package com.dayu.qiheonlinelibrary.utils;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.SharedPreferences.Editor;
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import android.text.TextUtils;
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import android.util.Base64;
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import java.util.Map;
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import java.util.Set;
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public class SharedPreferencesHelper {
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/**
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*
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*/
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private SharedPreferences sharedPreferences;
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//
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public static final String name_file = "wsGameSDK_helper";
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/**
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* 构造函数
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*
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* @param context
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*/
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private SharedPreferencesHelper(Context context, String name, int mode) {
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super();
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this.sharedPreferences = context.getSharedPreferences(name, mode);
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}
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public static SharedPreferencesHelper getInstance(Context context) {
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return new SharedPreferencesHelper(context, name_file, Context.MODE_PRIVATE);
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}
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/**
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* 获取共享引用实例
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*
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* @param context activity的context
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* @param name 文件名称
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* @param mode 权限标识
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* @return
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*/
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public static SharedPreferencesHelper getInstance(Context context, String name, int mode) {
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return new SharedPreferencesHelper(context, name, mode);
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}
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/**
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* 添加字段
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*
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* @param key 字段名称
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* @param value 字段值
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*/
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public void put(String key, Object value) {
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try {
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if (key == null)
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return;
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Editor editor = this.sharedPreferences.edit();// 获取编辑器
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if (value == null) {
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value = "";
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}
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if (value != null) {
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String type = value.getClass().getSimpleName();
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if ("String".equals(type)) {
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String str = (String) value;
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// 加密
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str = Base64.encodeToString(str.getBytes(), Base64.URL_SAFE | Base64.NO_WRAP);
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editor.putString(key, str);
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} else if ("Integer".equals(type)) {
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editor.putInt(key, (Integer) value);
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} else if ("Boolean".equals(type)) {
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editor.putBoolean(key, (Boolean) value);
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} else if ("Float".equals(type)) {
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editor.putFloat(key, (Float) value);
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} else if ("Long".equals(type)) {
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editor.putLong(key, (Long) value);
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} else {
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String str = MyJsonParser.bean2Json(value);
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str = Base64.encodeToString(str.getBytes(), Base64.URL_SAFE | Base64.NO_WRAP);
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editor.putString(key, str);
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}
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}
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editor.commit();// 提交修改
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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/**
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* 保存数据的方法，
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*
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* @param headers
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*/
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public void put(Map<String, String> headers) {
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try {
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Editor editor = this.sharedPreferences.edit();// 获取编辑器
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if (headers != null) {
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Set<String> keys = headers.keySet();
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for (String key : keys) {
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Object value = headers.get(key);
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put(key, value);
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}
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}
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editor.commit();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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/**
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* 根据字段名称获取字段值
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*
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* @param <T>
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* @param key 字段名称
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* 默认值
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* @return
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*/
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public <T> T get(String key, T defaultValue) {
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if (defaultValue == null) {
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return (T) get(key, String.class, defaultValue);
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} else {
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return (T) get(key, defaultValue.getClass(), defaultValue);
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}
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}
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/**
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* 根据字段名称获取字段值
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*
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* @param key 字段名称
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* @param valueType 字段值类型
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* @param defaultValue 默认字段值
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* @return 字段值 如果返回值类型不在{String,Integer,Boolean,Float,Long}中，默认返回null.
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*/
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private <T> Object get(String key, Class<?> valueType, T defaultValue) {
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String type = valueType.getSimpleName();
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if ("String".equals(type)) {
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String value = this.sharedPreferences.getString(key, "");
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if (TextUtils.isEmpty(value)) {
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return defaultValue;
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} else {
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// 解密
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byte[] bt = Base64.decode(value, Base64.URL_SAFE | Base64.NO_WRAP);
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String strvalue = new String(bt);
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return strvalue;
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}
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} else if ("Integer".equals(type)) {
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return this.sharedPreferences.getInt(key, (Integer) defaultValue);
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} else if ("Boolean".equals(type)) {
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return sharedPreferences.getBoolean(key, (Boolean) defaultValue);
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} else if ("Float".equals(type)) {
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return sharedPreferences.getFloat(key, (Float) defaultValue);
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} else if ("Long".equals(type)) {
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return sharedPreferences.getLong(key, (Long) defaultValue);
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}
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return null;
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}
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/**
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* 根据字段名称删除字段
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*
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* @param key 字段名称
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*/
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public void delete(String key) {
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Editor editor = this.sharedPreferences.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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* 清空所有字段名称
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*
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*
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*/
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public void deleteAll() throws Exception {
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Editor editor = this.sharedPreferences.edit();
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editor.clear();
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editor.commit();
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}
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}
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