116 lines
4.3 KiB
C#
116 lines
4.3 KiB
C#
namespace System.Workflow.ComponentModel.Serialization
|
|
{
|
|
using System;
|
|
using System.Xml;
|
|
using System.Runtime.Serialization;
|
|
using System.Reflection;
|
|
using System.IO;
|
|
using System.Runtime.Serialization.Formatters.Binary;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
|
|
#region DictionarySurrogate
|
|
internal sealed class DictionarySurrogate : ISerializationSurrogate
|
|
{
|
|
void ISerializationSurrogate.GetObjectData(object obj, SerializationInfo info, StreamingContext context)
|
|
{
|
|
if (!obj.GetType().IsGenericType || obj.GetType().GetGenericTypeDefinition() != typeof(Dictionary<,>))
|
|
throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "obj");
|
|
|
|
Type[] args = obj.GetType().GetGenericArguments();
|
|
if (args.Length != 2)
|
|
throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "obj");
|
|
|
|
PropertyInfo keysProperty = obj.GetType().GetProperty("Keys");
|
|
if (keysProperty == null)
|
|
throw new NullReferenceException("keysProperty");
|
|
|
|
ArrayList keys = new ArrayList(keysProperty.GetValue(obj, null) as ICollection);
|
|
|
|
PropertyInfo valuesProperty = obj.GetType().GetProperty("Values");
|
|
if (valuesProperty == null)
|
|
throw new NullReferenceException("valuesProperty");
|
|
|
|
ArrayList values = new ArrayList(valuesProperty.GetValue(obj, null) as ICollection);
|
|
if (keys.Count == 1)
|
|
{
|
|
info.AddValue("key", keys[0]);
|
|
info.AddValue("value", values[0]);
|
|
}
|
|
else if (keys.Count > 1)
|
|
{
|
|
info.AddValue("keys", keys.ToArray());
|
|
info.AddValue("values", values.ToArray());
|
|
}
|
|
info.AddValue("keyType", args[0]);
|
|
info.AddValue("valueType", args[1]);
|
|
|
|
info.SetType(typeof(DictionaryRef));
|
|
}
|
|
object ISerializationSurrogate.SetObjectData(object obj, SerializationInfo info, StreamingContext context, ISurrogateSelector selector)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
#region DictionaryRef
|
|
[Serializable]
|
|
private sealed class DictionaryRef : IObjectReference, IDeserializationCallback
|
|
{
|
|
[OptionalField]
|
|
private IList keys = null;
|
|
[OptionalField]
|
|
private IList values = null;
|
|
[OptionalField]
|
|
private object key = null;
|
|
[OptionalField]
|
|
private object value = null;
|
|
|
|
private Type keyType = null;
|
|
private Type valueType = null;
|
|
|
|
[NonSerialized]
|
|
private object dictionary = null;
|
|
|
|
Object IObjectReference.GetRealObject(StreamingContext context)
|
|
{
|
|
if (this.dictionary == null)
|
|
{
|
|
Type dictionaryType = typeof(Dictionary<int, int>).GetGenericTypeDefinition().MakeGenericType(keyType, valueType);
|
|
this.dictionary = dictionaryType.GetConstructor(Type.EmptyTypes).Invoke(null);
|
|
}
|
|
return this.dictionary;
|
|
}
|
|
void IDeserializationCallback.OnDeserialization(Object sender)
|
|
{
|
|
if (this.dictionary != null)
|
|
{
|
|
MethodInfo addMethod = this.dictionary.GetType().GetMethod("Add");
|
|
if (addMethod == null)
|
|
throw new NullReferenceException("addMethod");
|
|
|
|
object[] kvp = new object[2];
|
|
if (this.keys != null)
|
|
{
|
|
for (int index = 0; index < this.keys.Count; index++)
|
|
{
|
|
kvp[0] = this.keys[index];
|
|
kvp[1] = this.values[index];
|
|
addMethod.Invoke(this.dictionary, kvp);
|
|
}
|
|
}
|
|
else if (this.key != null)
|
|
{
|
|
kvp[0] = this.key;
|
|
kvp[1] = this.value;
|
|
addMethod.Invoke(this.dictionary, kvp);
|
|
}
|
|
}
|
|
this.dictionary = null;
|
|
}
|
|
}
|
|
#endregion
|
|
}
|
|
#endregion
|
|
|
|
}
|