XPref.cs

XPref.cs

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System.Xml;
using System.Xml.Serialization;
using System.IO;
using System.Security.Cryptography;

public class XPref {

    static readonly DESCryptoServiceProvider _provider;

    static XPref() {
        _provider = new DESCryptoServiceProvider();
    }

    public static void Save(string path, object obj, bool encrypt = true) {
        var p = Path.Combine(Application.persistentDataPath, path);
        if (encrypt) {
            using (var fs = new FileStream(p, FileMode.Create)) {
                using (var cs = new CryptoStream(fs, _provider.CreateEncryptor(), CryptoStreamMode.Write)) {
                    var serializer = new XmlSerializer(obj.GetType());
                    serializer.Serialize(cs, obj);
                }
            }
        } else {
            using (var fs = new FileStream(p, FileMode.Create)) {
                var serializer = new XmlSerializer(obj.GetType());
                serializer.Serialize(fs, obj);
            }
        }
    }

    public static T Load<T>(string path, bool decrypt = true) {
        var p = Path.Combine(Application.persistentDataPath, path);
        if (!File.Exists(p)) {
            return default(T);
        }
        if (decrypt) {
            using (FileStream fs = File.Open(p, FileMode.Open)) {
                using (CryptoStream cs = new CryptoStream(fs, _provider.CreateDecryptor(), CryptoStreamMode.Read)) {
                    XmlSerializer xmlser = new XmlSerializer(typeof(T));
                    return (T)xmlser.Deserialize(cs);
                }
            }
        } else {
            using (FileStream fs = File.Open(p, FileMode.Open)) {
                XmlSerializer xmlser = new XmlSerializer(typeof(T));
                return (T)xmlser.Deserialize(fs);
            }
        }
    }

}