SetDeserializationBaseObject() public method

Sets the object used as the base object in the next stage of deserialization. This method enables multi-stage deserialization for YAXLib.
public SetDeserializationBaseObject ( object obj ) : void
obj object The object used as the base object in the next stage of deserialization.
return void
コード例 #1
0
ファイル: YAXSerializer.cs プロジェクト: silwol/YAXLib
        /// <summary>
        /// Retreives the value of the element from the specified XML element or attribute.
        /// </summary>
        /// <param name="o">The object to store the retrieved value at.</param>
        /// <param name="member">The member of the specified object whose value we intent to retreive.</param>
        /// <param name="elemValue">The value of the element stored as string.</param>
        /// <param name="xelemValue">The XML element value to be retreived. If the value to be retreived
        /// has been stored in an XML attribute, this reference is <c>null</c>.</param>
        private void RetreiveElementValue(object o, MemberWrapper member, string elemValue, XElement xelemValue)
        {
            Type memberType = member.MemberType;

            // try to retrieve the real-type if specified
            if (xelemValue != null)
            {
                XAttribute realTypeAttribute = xelemValue.Attribute_NamespaceSafe(m_yaxLibNamespaceUri + m_trueTypeAttrName);
                if (realTypeAttribute != null)
                {
                    Type realType = ReflectionUtils.GetTypeByName(realTypeAttribute.Value);
                    if (realType != null)
                    {
                        memberType = realType;
                    }
                }
            }

            if (xelemValue != null && XMLUtils.IsElementCompletelyEmpty(xelemValue) &&
                !ReflectionUtils.IsBasicType(memberType) && !member.IsTreatedAsCollection && !member.IsTreatedAsDictionary &&
                !AtLeastOneOfMembersExists(xelemValue, memberType))
            {
                try
                {
                    member.SetValue(o, member.DefaultValue);
                }
                catch
                {
                    OnExceptionOccurred(new YAXDefaultValueCannotBeAssigned(member.Alias.LocalName, member.DefaultValue), member.TreatErrorsAs);
                }
            }
            else if (memberType == typeof(string))
            {
                if (String.IsNullOrEmpty(elemValue) && xelemValue != null)
                {
                    if (xelemValue.IsEmpty)
                        elemValue = null;
                    else
                        elemValue = String.Empty;
                }

                try
                {
                    member.SetValue(o, elemValue);
                }
                catch
                {
                    this.OnExceptionOccurred(new YAXPropertyCannotBeAssignedTo(member.Alias.LocalName), this.m_defaultExceptionType);
                }
            }
            else if (ReflectionUtils.IsBasicType(memberType))
            {
                object convertedObj;

                if (ReflectionUtils.IsNullable(memberType) && String.IsNullOrEmpty(elemValue))
                {
                    convertedObj = member.DefaultValue;
                }
                else
                {
                    convertedObj = ReflectionUtils.ConvertBasicType(elemValue, memberType);
                }

                try
                {
                    try
                    {
                        member.SetValue(o, convertedObj);
                    }
                    catch
                    {
                        this.OnExceptionOccurred(new YAXPropertyCannotBeAssignedTo(member.Alias.LocalName), m_defaultExceptionType);
                    }
                }
                catch (Exception ex)
                {
                    if (ex is YAXException)
                    {
                        throw;
                    }

                    this.OnExceptionOccurred(new YAXBadlyFormedInput(member.Alias.LocalName, elemValue), member.TreatErrorsAs);

                    try
                    {
                        member.SetValue(o, member.DefaultValue);
                    }
                    catch
                    {
                        this.OnExceptionOccurred(new YAXDefaultValueCannotBeAssigned(member.Alias.LocalName, member.DefaultValue), m_defaultExceptionType);
                    }
                }
            }
            else if (member.IsTreatedAsDictionary && member.DictionaryAttributeInstance != null)
            {
                DeserializeTaggedDictionaryMember(o, member, xelemValue);
            }
            else if (member.IsTreatedAsCollection)
            {
                DeserializeCollectionMember(o, member, memberType, elemValue, xelemValue);
            }
            else
            {
                var ser = new YAXSerializer(memberType, m_exceptionPolicy, m_defaultExceptionType, m_serializationOption);
                ser.SetNamespaceToOverrideEmptyNamespace(
                    member.Namespace.
                        IfEmptyThen(this.TypeNamespace).
                        IfEmptyThenNone());

                ser.IsCraetedToDeserializeANonCollectionMember = !(member.IsTreatedAsDictionary || member.IsTreatedAsCollection);

                if (m_desObject != null) // i.e. it is in resuming mode
                {
                    ser.SetDeserializationBaseObject(member.GetValue(o));
                }

                object convertedObj = ser.DeserializeBase(xelemValue);
                m_parsingErrors.AddRange(ser.ParsingErrors);

                try
                {
                    member.SetValue(o, convertedObj);
                }
                catch
                {
                    this.OnExceptionOccurred(new YAXPropertyCannotBeAssignedTo(member.Alias.LocalName), this.m_defaultExceptionType);
                }
            }
        }
コード例 #2
0
ファイル: DeserializationTest.cs プロジェクト: sinairv/YAXLib
        public void MoreComplexBookTwoResumedDeserializationTest()
        {
            string result =
            @"<MoreComplexBook2 Author_s_Name=""Tom Archer"">
              <Title>Inside C#</Title>
              <PublishYear>2002</PublishYear>
              <Price>30.5</Price>
            </MoreComplexBook2>";
            MoreComplexBook2 book = new MoreComplexBook2();
            book.Author = new Author()
            {
                Name = null,
                Age = 40
            };

            string initialToString = book.ToString();

            YAXSerializer serializer = new YAXSerializer(typeof(MoreComplexBook2), YAXExceptionHandlingPolicies.DoNotThrow, YAXExceptionTypes.Warning, YAXSerializationOptions.SerializeNullObjects);
            serializer.SetDeserializationBaseObject(book);
            MoreComplexBook2 bookResult = (MoreComplexBook2)serializer.Deserialize(result);
            Assert.AreNotEqual(bookResult.ToString(), initialToString);
        }