【WP8】自定义配置存储类

using System;
using System.Collections.Generic;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Serialization;

namespace XTuOne.Common.Helpers
{
    /// <summary>
    /// 可序列化的Dictionary
    /// </summary>
    [XmlRoot("Dictionary")]
    public class SerializableDictionary<TKey, TValue> : Dictionary<TKey, TValue>, IXmlSerializable
    {
        #region 构造函数，调用基类的构造函数

        public SerializableDictionary()
        {
        }

        public SerializableDictionary(IDictionary<TKey, TValue> dictionary)
            : base(dictionary)
        {
        }


        public SerializableDictionary(IEqualityComparer<TKey> comparer)
            : base(comparer)
        {
        }


        public SerializableDictionary(int capacity)
            : base(capacity)
        {
        }

        public SerializableDictionary(int capacity, IEqualityComparer<TKey> comparer)
            : base(capacity, comparer)
        {
        }

        public SerializableDictionary(IDictionary<TKey, TValue> dictionary, IEqualityComparer<TKey> comparer)
            : base(dictionary, comparer)
        {
        }

        #endregion

        #region IXmlSerializable 接口的实现

        public XmlSchema GetSchema()
        {
            throw new NotImplementedException();
        }

        /// <summary>
        /// 从对象的XML表示形式生成该对象
        /// </summary>
        /// <param name="reader"></param>
        public void ReadXml(XmlReader reader)
        {
            var keySerializer = new XmlSerializer(typeof (TKey));
            var valueSerializer = new XmlSerializer(typeof (TValue));
            bool wasEmpty = reader.IsEmptyElement;
            reader.Read();

            if (wasEmpty)
                return;
            while (reader.NodeType != XmlNodeType.EndElement)
            {
                reader.ReadStartElement("Key");
                TKey key = (TKey) keySerializer.Deserialize(reader);
                reader.ReadEndElement();

                reader.ReadStartElement("Value");
                TValue value = (TValue) valueSerializer.Deserialize(reader);
                reader.ReadEndElement();
                this.Add(key, value);
                reader.MoveToContent();
            }
            reader.ReadEndElement();
        }


        /// <summary>
        /// 将对象转换为其XML表示形式
        /// </summary>
        /// <param name="writer"></param>
        public void WriteXml(XmlWriter writer)
        {
            var keySerializer = new XmlSerializer(typeof (TKey));
            var valueSerializer = new XmlSerializer(typeof (TValue));
            foreach (TKey key in this.Keys)
            {
                writer.WriteStartElement("Key");
                keySerializer.Serialize(writer, key);
                writer.WriteEndElement();

                writer.WriteStartElement("Value");
                TValue value = this[key];
                valueSerializer.Serialize(writer, value);
                writer.WriteEndElement();
            }
        }

        #endregion
    }
}

using System;
using System.IO;
using System.IO.IsolatedStorage;
using System.Windows;
using System.Xml.Linq;
using System.Xml.Serialization;

namespace XTuOne.Common.Helpers
{
    public class XmlHelper
    {
        private XmlHelper()
        {
        }

        /// <summary>
        /// 序列化对象到文件
        /// </summary>
        /// <param name="file">文件路径："/test.xml"</param>
        /// <param name="obj"></param>
        public static void Serialize<T>(string file, T obj)
        {
            using (var sf = IsolatedStorageFile.GetUserStoreForApplication())
            {
                using (var fs = new IsolatedStorageFileStream(file, FileMode.OpenOrCreate, FileAccess.Write, sf))
                {
                    var serializer = new XmlSerializer(obj.GetType());
                    serializer.Serialize(fs, obj);
                }
            }
        }

        /// <summary>
        /// 反序列化文件到对象
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="file">文件路径："/test.xml"</param>
        public static T Deserialize<T>(string file)
        {
            using (var sf = IsolatedStorageFile.GetUserStoreForApplication())
            {
                var serializer = new XmlSerializer(typeof(T));
                using (var fs = sf.OpenFile(file, FileMode.Open, FileAccess.Read))
                {
                    return (T)serializer.Deserialize(fs);
                }
            }
        }

        /// <summary>
        /// 读取配置文件的信息
        /// </summary>
        /// <param name="file">前面不加/</param>
        /// <param name="node">用.隔开（例如App.Version）</param>
        /// <param name="attribute"></param>
        public static string GetConfigValue(string file,string node, string attribute)
        {
            var configFile = Application.GetResourceStream(new Uri(file, UriKind.Relative));
            return GetXmlValue(configFile.Stream, node, attribute);
        }

        private static string GetXmlValue(Stream stream, string node, string attribute)
        {
            var configDoc = XDocument.Load(stream);
            XElement temp = null;
            foreach (var n in node.Split(‘.‘))
            {
                if (temp == null)
                {
                    temp = configDoc.Element(n);
                    continue;
                }
                temp = temp.Element(n);
            }

            if (temp == null)
            {
                throw new NullReferenceException();
            }
            return temp.Attribute(attribute).Value;
        }

    }
}