76 lines
2.6 KiB
C#
76 lines
2.6 KiB
C#
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using LeanCloud.Storage.Internal;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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namespace LeanCloud.Realtime.Internal
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{
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internal class FreeStyleMessageClassInfo
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{
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public TypeInfo TypeInfo { get; private set; }
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public IDictionary<String, String> PropertyMappings { get; private set; }
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private ConstructorInfo Constructor { get; set; }
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//private MethodInfo ValidateMethod { get; set; }
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public int TypeInt { get; set; }
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public FreeStyleMessageClassInfo(Type type, ConstructorInfo constructor)
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{
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TypeInfo = type.GetTypeInfo();
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Constructor = constructor;
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PropertyMappings = ReflectionHelpers.GetProperties(type)
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.Select(prop => Tuple.Create(prop, prop.GetCustomAttribute<AVIMMessageFieldNameAttribute>(true)))
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.Where(t => t.Item2 != null)
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.Select(t => Tuple.Create(t.Item1, t.Item2.FieldName))
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.ToDictionary(t => t.Item1.Name, t => t.Item2);
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}
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public bool Validate(string msgStr)
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{
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var instance = Instantiate(msgStr);
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if (instance is AVIMTypedMessage)
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{
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try
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{
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var msgDic = Json.Parse(msgStr) as IDictionary<string, object>;
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if (msgDic != null)
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{
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if (msgDic.ContainsKey(AVIMProtocol.LCTYPE))
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{
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return msgDic[AVIMProtocol.LCTYPE].ToString() == TypeInt.ToString();
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}
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}
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}
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catch (Exception ex)
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{
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if (ex is ArgumentException)
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{
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return instance.Validate(msgStr);
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}
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}
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}
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return instance.Validate(msgStr);
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}
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public IAVIMMessage Instantiate(string msgStr)
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{
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var rtn = (IAVIMMessage)Constructor.Invoke(null);
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return rtn;
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}
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public static string GetMessageClassName(TypeInfo type)
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{
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var attribute = type.GetCustomAttribute<AVIMMessageClassNameAttribute>();
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return attribute != null ? attribute.ClassName : null;
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}
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public static int GetTypedInteger(TypeInfo type)
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{
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var attribute = type.GetCustomAttribute<AVIMTypedMessageTypeIntAttribute>();
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return attribute != null ? attribute.TypeInteger : 0;
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}
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}
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}
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