/// <summary>
/// Serializes the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="obj">The object.</param>
/// <param name="objectMetaData">The object meta data.</param>
/// <exception cref="System.ArgumentNullException">The <paramref name="stream"/> is <c>null</c>.</exception>
/// <exception cref="System.ArgumentNullException">The <paramref name="objectMetaData"/> is <c>null</c>.</exception>
public static void Serialize(Stream stream, object obj, IObjectMetaData objectMetaData)
{
Argument.IsNotNull("stream", stream);
Argument.IsNotNull("objectMetaData", objectMetaData);
if (obj == null || objectMetaData.DataType == DataType.Undefined)
{
Write(stream, "NuLl");
}
else if (objectMetaData.DataType != DataType.Collection && objectMetaData.DataType != DataType.Object)
{
Write(stream, obj);
}
else if (objectMetaData.DataType == DataType.Collection)
{
var collection = obj as ICollection;
if (collection == null)
{
return;
}
Write(stream, collection.Count);
foreach (var item in collection)
{
Serialize(stream, item, objectMetaData.ChildObjMetaData);
}
}
else
{
foreach (var propertyMetaData in objectMetaData.PropertiesMetaData)
{
Serialize(stream, propertyMetaData.PropertyInfo.GetValue(obj, null), propertyMetaData);
}
}
}
/// <summary>
/// Discovers the type information.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <param name="objectMetaData">The object meta data.</param>
private static void DiscoverTypeInfo(Type objectType, IObjectMetaData objectMetaData)
{
while (true)
{
if (objectType == null)
{
return;
}
objectMetaData.Type = objectType;
var dataType = GetType(objectType);
if (dataType != DataType.Undefined)
{
return;
}
var collectionElementType = GetElementType(objectType);
if (collectionElementType != null)
{
objectMetaData.DataType = DataType.Collection;
objectMetaData.CollectionItemType = collectionElementType;
objectMetaData.ChildObjMetaData = new ObjectMetaData();
objectType = collectionElementType;
objectMetaData = objectMetaData.ChildObjMetaData;
continue;
}
objectMetaData.DataType = DataType.Object;
objectMetaData.PropertiesMetaData = new List <IObjectMetaData>();
foreach (var propertyInfo in objectType.GetProperties().OrderBy(property => property.Name))
{
if (!propertyInfo.PropertyType.IsPublicEx() || propertyInfo.GetSetMethod() == null)
{
continue;
}
var propertyMetaData = new ObjectMetaData {
PropertyInfo = propertyInfo
};
DiscoverTypeInfo(propertyInfo.PropertyType, propertyMetaData);
objectMetaData.PropertiesMetaData.Add(propertyMetaData);
}
break;
}
}
/// <summary>
/// Decimals the serialize.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="objectMetaData">The object meta data.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">The <paramref name="stream"/> is <c>null</c>.</exception>
/// <exception cref="System.ArgumentNullException">The <paramref name="objectMetaData"/> is <c>null</c>.</exception>
public static object DeSerialize(Stream stream, IObjectMetaData objectMetaData)
{
Argument.IsNotNull("stream", stream);
Argument.IsNotNull("objectMetaData", objectMetaData);
var position = stream.Position;
if ((string)Read(stream, typeof(string)) == "NuLl" || objectMetaData.DataType == DataType.Undefined)
{
return(null);
}
if (objectMetaData.DataType != DataType.Collection && objectMetaData.DataType != DataType.Object)
{
stream.Position = position;
return(Read(stream, objectMetaData.Type));
}
var obj = TypeFactory.Default.CreateInstance(objectMetaData.Type);
stream.Position = position;
if (obj is ICollection)
{
var count = (int)Read(stream, typeof(int));
for (var i = 0; i < count; i++)
{
obj.GetType()
.GetMethod("Add")
.Invoke(obj, new[] { DeSerialize(stream, objectMetaData.ChildObjMetaData) });
}
return(obj);
}
foreach (var propertyMetaData in objectMetaData.PropertiesMetaData)
{
propertyMetaData.PropertyInfo.SetValue(obj, DeSerialize(stream, propertyMetaData), null);
}
return(obj);
}
/// <summary>
/// Serializes the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="obj">The object.</param>
/// <param name="objectMetaData">The object meta data.</param>
/// <exception cref="System.ArgumentNullException">The <paramref name="stream"/> is <c>null</c>.</exception>
/// <exception cref="System.ArgumentNullException">The <paramref name="objectMetaData"/> is <c>null</c>.</exception>
public static void Serialize(Stream stream, object obj, IObjectMetaData objectMetaData)
{
Argument.IsNotNull("stream", stream);
Argument.IsNotNull("objectMetaData", objectMetaData);
if (obj == null || objectMetaData.DataType == DataType.Undefined)
{
Write(stream, "NuLl");
}
else if (objectMetaData.DataType != DataType.Collection && objectMetaData.DataType != DataType.Object)
{
Write(stream, obj);
}
else if (objectMetaData.DataType == DataType.Collection)
{
var collection = obj as ICollection;
if (collection == null)
{
return;
}
Write(stream, collection.Count);
foreach (var item in collection)
{
Serialize(stream, item, objectMetaData.ChildObjMetaData);
}
}
else
{
foreach (var propertyMetaData in objectMetaData.PropertiesMetaData)
{
Serialize(stream, propertyMetaData.PropertyInfo.GetValue(obj, null), propertyMetaData);
}
}
}
/// <summary>
/// Discovers the type information.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <param name="objectMetaData">The object meta data.</param>
private static void DiscoverTypeInfo(Type objectType, IObjectMetaData objectMetaData)
{
while (true)
{
if (objectType == null)
{
return;
}
objectMetaData.Type = objectType;
var dataType = GetType(objectType);
if (dataType != DataType.Undefined)
{
return;
}
var collectionElementType = GetElementType(objectType);
if (collectionElementType != null)
{
objectMetaData.DataType = DataType.Collection;
objectMetaData.CollectionItemType = collectionElementType;
objectMetaData.ChildObjMetaData = new ObjectMetaData();
objectType = collectionElementType;
objectMetaData = objectMetaData.ChildObjMetaData;
continue;
}
objectMetaData.DataType = DataType.Object;
objectMetaData.PropertiesMetaData = new List<IObjectMetaData>();
foreach (var propertyInfo in objectType.GetProperties().OrderBy(property => property.Name))
{
if (!propertyInfo.PropertyType.IsPublicEx() || propertyInfo.GetSetMethod() == null)
{
continue;
}
var propertyMetaData = new ObjectMetaData {PropertyInfo = propertyInfo};
DiscoverTypeInfo(propertyInfo.PropertyType, propertyMetaData);
objectMetaData.PropertiesMetaData.Add(propertyMetaData);
}
break;
}
}
/// <summary>
/// Decimals the serialize.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="objectMetaData">The object meta data.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">The <paramref name="stream"/> is <c>null</c>.</exception>
/// <exception cref="System.ArgumentNullException">The <paramref name="objectMetaData"/> is <c>null</c>.</exception>
public static object DeSerialize(Stream stream, IObjectMetaData objectMetaData)
{
Argument.IsNotNull("stream", stream);
Argument.IsNotNull("objectMetaData", objectMetaData);
var position = stream.Position;
if ((string) Read(stream, typeof (string)) == "NuLl" || objectMetaData.DataType == DataType.Undefined)
{
return null;
}
if (objectMetaData.DataType != DataType.Collection && objectMetaData.DataType != DataType.Object)
{
stream.Position = position;
return Read(stream, objectMetaData.Type);
}
var obj = TypeFactory.Default.CreateInstance(objectMetaData.Type);
stream.Position = position;
if (obj is ICollection)
{
var count = (int) Read(stream, typeof (int));
for (var i = 0; i < count; i++)
{
obj.GetType()
.GetMethod("Add")
.Invoke(obj, new[] {DeSerialize(stream, objectMetaData.ChildObjMetaData)});
}
return obj;
}
foreach (var propertyMetaData in objectMetaData.PropertiesMetaData)
{
propertyMetaData.PropertyInfo.SetValue(obj, DeSerialize(stream, propertyMetaData), null);
}
return obj;
}
