可序列化的Dictionary<>
2007-11-04 12:16 清炒白菜 阅读(1165) 评论(0) 编辑 收藏 举报using System;
using System.Collections.Generic;
using System.Text;
using System.Xml.Serialization;
using System.Runtime.Serialization;
namespace Outpop.WelkinProject.Framework
{
[XmlRoot("dictionary"), Serializable]
public class SerializableDictionary<TKey, TValue>
: Dictionary<TKey, TValue>, IXmlSerializable
{
#region 构造函数
public SerializableDictionary()
: base()
{
}
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)
{
}
protected SerializableDictionary(SerializationInfo info, StreamingContext context)
: base(info, context)
{
}
#endregion
#region IXmlSerializable Members
public System.Xml.Schema.XmlSchema GetSchema()
{
return null;
}
/**/
/// <summary>
/// 从对象的 XML 表示形式生成该对象
/// </summary>
/// <param name="reader"></param>
public void ReadXml(System.Xml.XmlReader reader)
{
XmlSerializer keySerializer = new XmlSerializer(typeof(TKey));
XmlSerializer valueSerializer = new XmlSerializer(typeof(TValue));
bool wasEmpty = reader.IsEmptyElement;
reader.Read();
if (wasEmpty)
return;
while (reader.NodeType != System.Xml.XmlNodeType.EndElement)
{
reader.ReadStartElement("item");
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.ReadEndElement();
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(System.Xml.XmlWriter writer)
{
XmlSerializer keySerializer = new XmlSerializer(typeof(TKey));
XmlSerializer valueSerializer = new XmlSerializer(typeof(TValue));
foreach (TKey key in this.Keys)
{
writer.WriteStartElement("item");
writer.WriteStartElement("key");
keySerializer.Serialize(writer, key);
writer.WriteEndElement();
writer.WriteStartElement("value");
TValue value = this[key];
valueSerializer.Serialize(writer, value);
writer.WriteEndElement();
writer.WriteEndElement();
}
}
#endregion
}
}
using System.Collections.Generic;
using System.Text;
using System.Xml.Serialization;
using System.Runtime.Serialization;
namespace Outpop.WelkinProject.Framework
{
[XmlRoot("dictionary"), Serializable]
public class SerializableDictionary<TKey, TValue>
: Dictionary<TKey, TValue>, IXmlSerializable
{
#region 构造函数
public SerializableDictionary()
: base()
{
}
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)
{
}
protected SerializableDictionary(SerializationInfo info, StreamingContext context)
: base(info, context)
{
}
#endregion
#region IXmlSerializable Members
public System.Xml.Schema.XmlSchema GetSchema()
{
return null;
}
/**/
/// <summary>
/// 从对象的 XML 表示形式生成该对象
/// </summary>
/// <param name="reader"></param>
public void ReadXml(System.Xml.XmlReader reader)
{
XmlSerializer keySerializer = new XmlSerializer(typeof(TKey));
XmlSerializer valueSerializer = new XmlSerializer(typeof(TValue));
bool wasEmpty = reader.IsEmptyElement;
reader.Read();
if (wasEmpty)
return;
while (reader.NodeType != System.Xml.XmlNodeType.EndElement)
{
reader.ReadStartElement("item");
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.ReadEndElement();
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(System.Xml.XmlWriter writer)
{
XmlSerializer keySerializer = new XmlSerializer(typeof(TKey));
XmlSerializer valueSerializer = new XmlSerializer(typeof(TValue));
foreach (TKey key in this.Keys)
{
writer.WriteStartElement("item");
writer.WriteStartElement("key");
keySerializer.Serialize(writer, key);
writer.WriteEndElement();
writer.WriteStartElement("value");
TValue value = this[key];
valueSerializer.Serialize(writer, value);
writer.WriteEndElement();
writer.WriteEndElement();
}
}
#endregion
}
}