コード例 #1
0
		/// <summary>
		/// Determines if the property or field should not be serialized.
		/// </summary>
		/// <param name="objType"></param>
		/// <param name="member"></param>
		/// <param name="value"></param>
		/// <returns></returns>
		/// <remarks>
		/// Checks these in order, if any returns true then this is true:
		/// - is flagged with the JsonIgnoreAttribute property
		/// - has a JsonSpecifiedProperty which returns false
		/// </remarks>
		private bool IsIgnored(Type objType, MemberInfo member, object obj)
		{
			if (JsonIgnoreAttribute.IsJsonIgnore(member))
			{
				return true;
			}

			string specifiedProperty = JsonSpecifiedPropertyAttribute.GetJsonSpecifiedProperty(member);
			if (!String.IsNullOrEmpty(specifiedProperty))
			{
				PropertyInfo specProp = objType.GetProperty(specifiedProperty);
				if (specProp != null)
				{
					object isSpecified = specProp.GetValue(obj, null);
					if (isSpecified is Boolean && !Convert.ToBoolean(isSpecified))
					{
						return true;
					}
				}
			}
			
			//If the class is specified as opt-in serialization only, members must have the JsonMember attribute
			if (objType.GetCustomAttributes (typeof(JsonOptInAttribute),true).Length != 0) {
				if (member.GetCustomAttributes(typeof(JsonMemberAttribute),true).Length == 0) {
					return true;
				}
			}
			
			if (this.settings.UseXmlSerializationAttributes)
			{
				if (JsonIgnoreAttribute.IsXmlIgnore(member))
				{
					return true;
				}

				PropertyInfo specProp = objType.GetProperty(member.Name+"Specified");
				if (specProp != null)
				{
					object isSpecified = specProp.GetValue(obj, null);
					if (isSpecified is Boolean && !Convert.ToBoolean(isSpecified))
					{
						return true;
					}
				}
			}

			return false;
		}