/// <summary>
/// 获取指定类型的所有属性元数据。
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public virtual List <SerializerPropertyMetadata> GetProperties(Type type)
{
return(_cache.GetOrAdd(type, k =>
{
return k.GetProperties()
.Where(s => s.CanRead && !SerializerUtil.IsNoSerializable(_option, s))
.Distinct(new SerializerUtil.PropertyEqualityComparer())
.Select(s => new SerializerPropertyMetadata
{
Filter = (p, l) =>
{
return !SerializerUtil.CheckLazyValueCreate(l, p.Name);
},
Getter = o => ReflectionCache.GetAccessor(s).GetValue(o),
Setter = (o, v) => ReflectionCache.GetAccessor(s).SetValue(o, v),
PropertyInfo = s,
PropertyName = ResolvePropertyName(s),
Formatter = s.GetCustomAttributes <TextFormatterAttribute>().FirstOrDefault()?.Formatter,
DefaultValue = s.GetCustomAttributes <DefaultValueAttribute>().FirstOrDefault()?.Value,
Converter = s.GetCustomAttributes <TextPropertyConverterAttribute>().FirstOrDefault()?.ConverterType.New <ITextConverter>()
})
.Where(s => !string.IsNullOrEmpty(s.PropertyName))
.ToList();
}));
}
private DateTime?DeserializeDateTime(string value)
{
if (value.Length == 0)
{
return(null);
}
return(SerializerUtil.ParseDateTime(value, null, _option.DateTimeZoneHandling));
}
private IEnumerable <DataColumn> GetDataColumns(DataTable table)
{
foreach (DataColumn column in table.Columns)
{
if (!SerializerUtil.IsNoSerializable(_option, column.ColumnName))
{
yield return(column);
}
}
}
private object DeserializeValue(Type type)
{
var stype = type.GetNonNullableType();
var typeCode = Type.GetTypeCode(stype);
if (typeCode == TypeCode.Object && stype != typeof(TimeSpan))
{
return(ParseObject(type));
}
if (_xmlReader.IsEmptyElement)
{
if (_xmlReader.NodeType == XmlNodeType.Element)
{
XmlReaderHelper.ReadAndConsumeMatchingEndElement(_xmlReader);
}
return(type.GetDefaultValue());
}
bool beStartEle;
if ((beStartEle = (_xmlReader.NodeType == XmlNodeType.Element)))
{
XmlReaderHelper.ReadUntilAnyTypesReached(_xmlReader, new[] { XmlNodeType.EndElement, XmlNodeType.Text, XmlNodeType.CDATA });
}
var value = _xmlReader.NodeType == XmlNodeType.EndElement ? string.Empty : _xmlReader.ReadContentAsString();
if (beStartEle)
{
XmlReaderHelper.ReadAndConsumeMatchingEndElement(_xmlReader);
}
if (type.GetNonNullableType() == typeof(DateTime))
{
CheckNullString(value, type);
return(SerializerUtil.ParseDateTime(value, _option.Culture, _option.DateTimeZoneHandling));
}
else if (type.GetNonNullableType() == typeof(TimeSpan))
{
if (TimeSpan.TryParse(value, out TimeSpan result))
{
return(result);
}
}
return(value.ToType(type));
}
private object DeserializeValue(Type type)
{
if (_jsonReader.IsNull())
{
if ((type.GetNonNullableType().IsValueType&& !type.IsNullableType()))
{
throw new SerializationException(SR.GetString(SRKind.JsonNullableType, type));
}
return(null);
}
var stype = type.GetNonNullableType();
var typeCode = Type.GetTypeCode(stype);
if (typeCode == TypeCode.Object)
{
return(ParseObject(type));
}
var value = _jsonReader.ReadValue();
if (type.IsNullableType() && (value == null || string.IsNullOrEmpty(value.ToString())))
{
return(null);
}
switch (typeCode)
{
case TypeCode.DateTime:
CheckNullString(value, type);
return(SerializerUtil.ParseDateTime(value.ToString(), _option.Culture, _option.DateTimeZoneHandling));
case TypeCode.String:
return(value == null ? null : DeserializeString(value.ToString()));
default:
CheckNullString(value, type);
try
{
return(value.ToType(stype));
}
catch (Exception ex)
{
throw new SerializationException(SR.GetString(SRKind.DeserializeError, value, type), ex);
}
}
}
private void SerializeDateTime(DateTime value)
{
value = SerializerUtil.EnsureDateTime(value, _option.DateTimeZoneHandling);
if (_option.DateFormatHandling == DateFormatHandling.Default)
{
_jsonWriter.WriteValue(string.Concat(JsonTokens.StringDelimiter, (value.Year <= 1 ? string.Empty : value.ToString(_context.SerializeInfo?.Formatter ?? "yyyy-MM-dd")), JsonTokens.StringDelimiter));
}
else if (_option.DateFormatHandling == DateFormatHandling.IsoDateFormat)
{
_jsonWriter.WriteValue(string.Concat(JsonTokens.StringDelimiter, value.GetDateTimeFormats('s')[0].ToString(_option.Culture), JsonTokens.StringDelimiter));
}
else if (_option.DateFormatHandling == DateFormatHandling.MicrosoftDateFormat)
{
var offset = TimeZoneInfo.Local.GetUtcOffset(value);
var time = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
var ticks = (value.ToUniversalTime().Ticks - time.Ticks) / 10000;
var sb = new StringBuilder();
sb.Append("\"\\/Date(" + ticks);
if (value.Kind == DateTimeKind.Local)
{
sb.Append(offset.Ticks >= 0 ? "+" : "-");
var h = Math.Abs(offset.Hours);
var m = Math.Abs(offset.Minutes);
if (h < 10)
{
sb.Append(0);
}
sb.Append(h);
if (m < 10)
{
sb.Append(0);
}
sb.Append(m);
}
sb.Append(")\\/\"");
_jsonWriter.WriteValue(sb);
}
}
/// <summary>
/// 获取指定类型的属性访问缓存。
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
private Dictionary <string, PropertyAccessor> GetAccessorCache(Type type)
{
return(context.SetAccessors.TryGetValue(type, () =>
{
return type.GetProperties()
.Where(s => s.CanWrite && !SerializerUtil.IsNoSerializable(option, s))
.Select(s =>
{
var ele = s.GetCustomAttributes <TextSerializeElementAttribute>().FirstOrDefault();
//如果使用Camel命名，则名称第一位小写
var name = ele != null ?
ele.Name : (option.CamelNaming ?
char.ToLower(s.Name[0]) + s.Name.Substring(1) : s.Name);
return new { name, p = s };
})
.ToDictionary(s => s.name, s => ReflectionCache.GetAccessor(s.p));
}));
}
/// <summary>
/// 获取指定类型的属性访问缓存。
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
private List <PropertyGetAccessorCache> GetAccessorCache(Type type)
{
return(context.GetAccessors.TryGetValue(type, () =>
{
return type.GetProperties()
.Where(s => s.CanRead && !SerializerUtil.IsNoSerializable(option, s))
.Distinct(new SerializerUtil.PropertyEqualityComparer())
.Select(s => new PropertyGetAccessorCache
{
Accessor = ReflectionCache.GetAccessor(s),
Filter = (p, l) =>
{
return !SerializerUtil.CheckLazyValueCreate(l, p.Name);
},
PropertyInfo = s,
PropertyName = SerializerUtil.GetPropertyName(s)
})
.Where(s => !string.IsNullOrEmpty(s.PropertyName))
.ToList();
}));
}
/// <summary>
/// 获取指定类型的属性访问缓存。
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public List <PropertyGetAccessorCache> GetAccessorCache(Type type)
{
return(GetAccessors.TryGetValue(type, () =>
{
return type.GetProperties()
.Where(s => s.CanRead && !SerializerUtil.IsNoSerializable(Option, s))
.Distinct(new SerializerUtil.PropertyEqualityComparer())
.Select(s => new PropertyGetAccessorCache
{
Accessor = ReflectionCache.GetAccessor(s),
Filter = (p, l) =>
{
return !SerializerUtil.CheckLazyValueCreate(l, p.Name);
},
PropertyInfo = s,
PropertyName = SerializerUtil.GetPropertyName(s),
Formatter = s.GetCustomAttributes <TextFormatterAttribute>().FirstOrDefault()?.Formatter,
DefaultValue = s.GetCustomAttributes <DefaultValueAttribute>().FirstOrDefault()?.Value,
Converter = s.GetCustomAttributes <TextPropertyConverterAttribute>().FirstOrDefault()?.ConverterType.New <ITextConverter>()
})
.Where(s => !string.IsNullOrEmpty(s.PropertyName))
.ToList();
}));
}
