public XElement SerializeRoot(object obj, Type rootType, XName name, XSerializerNamespaceCollection namespaces, SerializationScope globalScope)
{
Debug.Assert(rootType.IsInstanceOfType(obj));
Debug.Assert(namespaces != null);
var root = SerializeXElement(obj, rootType, name, globalScope);
//导入命名空间。
foreach (var ns in namespaces)
root.SetAttributeValue(XNamespace.Xmlns + ns.Prefix, ns.Uri);
//处理导入的类型。
var nsCounter = 0;
foreach (var descendant in root.Descendants())
{
var actualTypeName = descendant.Annotation<XName>();
if (actualTypeName != null)
{
if (actualTypeName.Namespace == descendant.GetDefaultNamespace())
{
descendant.SetAttributeValue(SerializationHelper.Xsi + "type", actualTypeName.LocalName);
}
else
{
var prefix = descendant.GetPrefixOfNamespace(actualTypeName.Namespace);
if (prefix == null)
{
nsCounter++;
prefix = "nss" + nsCounter;
descendant.SetAttributeValue(XNamespace.Xmlns + prefix, actualTypeName.NamespaceName);
}
descendant.SetAttributeValue(SerializationHelper.Xsi + "type", prefix + ":" + actualTypeName.LocalName);
}
descendant.RemoveAnnotations<XName>();
}
}
return root;
}
static XSerializer()
{
defaultNamespaces = new XSerializerNamespaceCollection {PrefixUriPair.Xsi};
defaultParameters = new XSerializerParameters(defaultNamespaces, null);
}
public XSerializerParameters(XSerializerNamespaceCollection namespaces, object context)
{
Namespaces = namespaces;
Context = context;
}
public XSerializerParameters(XSerializerNamespaceCollection namespaces)
: this(namespaces, null)
{
}
/// <summary>
/// 将指定的对象序列化，并写入流中。
/// Serialize an object and write it into a Stream.
/// </summary>
public void Serialize(Stream s, object obj, XSerializerNamespaceCollection namespaces)
{
Serialize(s, obj, new XSerializerParameters(namespaces));
}
public void SerializationTest()
{
var s = new XSerializer(typeof(MyObject1), new[] { typeof(MyObject2) });
var ns = new XSerializerNamespaceCollection
{
{"n1", MyObject1.MyUri1},
{"n2", MyObject1.MyUri2},
PrefixUriPair.Xsi
};
var p = new XSerializerParameters(ns);
var obj = new MyObject1
{
Property1 = 123e45d,
Array1 = new object[]
{
"abc",
123.4567,
"def",
new MyObject1(),
new MyObject2()
},
AnotherObject = new MyObject1(),
myObject = new MyObject2()
};
//There are intentional spaces left in the strings.
obj.List1.Add("越过长城，走向世界。 ");
obj.List1.Add("\t\tAcross the Great Wall we can reach every corner in the world.");
var doc = s.GetSerializedDocument(obj, p);
Trace.WriteLine(doc);
var obj1 = (MyObject1)s.Deserialize(doc, null);
//Debug.Print("Deserialize Obj : {0}", obj1.GetHashCode());
Assert.AreEqual(obj.Property1, obj1.Property1);
Assert.AreEqual(obj.Property1, obj1.Property1);
Assert.AreEqual(obj.List1.Count, obj1.List1.Count);
Assert.AreEqual(obj.List1[0], obj1.List1[0]);
Assert.AreEqual(obj.List1[1], obj1.List1[1]);
Assert.AreEqual(obj.Array1.Length, obj1.Array1.Length);
}
public void SerializationProfiling()
{
const int repetitions = 1000;
var s = new XSerializer(typeof(MyObject1));
var ns = new XSerializerNamespaceCollection
{
{"n1", MyObject1.MyUri1},
{"n2", MyObject1.MyUri2},
PrefixUriPair.Xsi
}; var p = new XSerializerParameters(ns);
var obj = new MyObject1
{
Property1 = 123e45d,
Array1 = new object[]
{
"abc",
123.4567,
"def",
new MyObject1()
},
AnotherObject = new MyObject1()
};
//There are intentional spaces left in the strings.
obj.List1.Add("越过长城，走向世界。 ");
obj.List1.Add("\t\tAcross the Great Wall we can reach every corner in the world.");
var doc = s.GetSerializedDocument(obj, p);
Trace.WriteLine(doc);
var obj1 = (MyObject1)s.Deserialize(doc, null);
// Profiling
for (var i = 0; i < obj.Array1.Length; i++)
{
if (obj.Array1[i].GetType().IsValueType)
Assert.AreEqual(obj.Array1[i], obj1.Array1[i]);
}
var sw = Stopwatch.StartNew();
for (int i = 0; i < repetitions; i++)
{
// ReSharper disable once ReturnValueOfPureMethodIsNotUsed
s.GetSerializedDocument(obj, p).ToString();
}
Trace.Write("Serialization elapsed ms : ");
Trace.WriteLine(sw.Elapsed.TotalMilliseconds / repetitions);
sw.Restart();
for (int i = 0; i < repetitions; i++)
{
s.Deserialize(doc, null);
}
Trace.Write("Deserialization elapsed ms : ");
Trace.WriteLine(sw.Elapsed.TotalMilliseconds / repetitions);
}
