/// <summary>
/// 克隆对象，并返回一个已克隆对象的引用
/// 该方法使用 ToXml和 FromXml 方法来实现
/// </summary>
public virtual object Clone()
{
object newObject = Activator.CreateInstance(this.GetType());
Type xmlableThis = this.GetType().GetInterface("IXmlable", true);
Type xmlableNewObject = this.GetType().GetInterface("IXmlable", true);
if (xmlableThis == null || xmlableNewObject == null)
{
Debug.Assert(false, "调用对象的 Clone()方法,但是没有实现 IXmlable");
return(null);
}
IXmlable iXmlableThis = (IXmlable)this;
IXmlable iXmlableNewObject = (IXmlable)newObject;
iXmlableNewObject.FromXml(iXmlableThis.ToXml());
return(newObject);
}
public virtual XmlElement ToXml(IXmlable xmlable)
{
if (Object.ReferenceEquals(null, xmlable))
{
return(null);
}
String xmlName = null;
bool isUnique = false;
if (!_xmlFormater.GetTypeXmlInfo(xmlable.GetType(), out xmlName, out isUnique))
{
System.Diagnostics.Debug.Assert(false, "could not find the Xmlable information of " + xmlable.GetType().ToString());
return(null);
}
if (!String.IsNullOrEmpty(xmlName))
{
if (isUnique)
{
String strObjId = null;
if (_objToXmlId.TryGetValue(xmlable, out strObjId) && !String.IsNullOrEmpty(strObjId))
{
XmlElement ele = this.Document.CreateElement(xmlName);
XmlToolkit.SetAttribute(ele, _xmlIdAttr, strObjId);
return(ele);
}
}
XmlElement ele2 = this.Document.CreateElement(xmlName);
if (isUnique)
{
String xmlId = Guid.NewGuid().ToString();
_objToXmlId.Add(xmlable, xmlId);
_xmlIdToObj.Add(xmlId, xmlable);
XmlToolkit.SetAttribute(ele2, _xmlIdAttr, xmlId);
}
xmlable.ToXml(ele2, this);
return(ele2);
}
return(null);
}
