/// <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 NETFX_CORE
var customAttrs = member.GetCustomAttributes(typeof(JsonMemberAttribute), true);
System.Attribute[] customAttrsArr = customAttrs == null ? null : customAttrs.ToArray();
if (customAttrs == null || customAttrsArr == null || customAttrsArr.Length == 0)
{
#else
if (member.GetCustomAttributes(typeof(JsonMemberAttribute), true).Length == 0)
{
#endif
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);
}
public static string GetJsonSpecifiedProperty(MemberInfo memberInfo)
{
if (memberInfo == null || !Attribute.IsDefined(memberInfo, typeof(JsonSpecifiedPropertyAttribute)))
{
return(null);
}
JsonSpecifiedPropertyAttribute jsonSpecifiedPropertyAttribute = (JsonSpecifiedPropertyAttribute)Attribute.GetCustomAttribute(memberInfo, typeof(JsonSpecifiedPropertyAttribute));
return(jsonSpecifiedPropertyAttribute.SpecifiedProperty);
}
private bool IsIgnored(Type objType, MemberInfo member, object obj)
{
if (JsonIgnoreAttribute.IsJsonIgnore(member))
{
return(true);
}
string jsonSpecifiedProperty = JsonSpecifiedPropertyAttribute.GetJsonSpecifiedProperty(member);
if (!string.IsNullOrEmpty(jsonSpecifiedProperty))
{
PropertyInfo property = objType.GetProperty(jsonSpecifiedProperty);
if (property != null)
{
object value = property.GetValue(obj, null);
if (value is bool && !Convert.ToBoolean(value))
{
return(true);
}
}
}
if (objType.GetCustomAttributes(typeof(JsonOptInAttribute), true).Length != 0 && member.GetCustomAttributes(typeof(JsonMemberAttribute), true).Length == 0)
{
return(true);
}
if (this.settings.UseXmlSerializationAttributes)
{
if (JsonIgnoreAttribute.IsXmlIgnore(member))
{
return(true);
}
PropertyInfo property2 = objType.GetProperty(member.Name + "Specified");
if (property2 != null)
{
object value2 = property2.GetValue(obj, null);
if (value2 is bool && !Convert.ToBoolean(value2))
{
return(true);
}
}
}
return(false);
}
/// <summary>
/// Gets the name specified for use in Json serialization.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static string GetJsonSpecifiedProperty(MemberInfo memberInfo)
{
#if NETFX_CORE
if (memberInfo == null)
{
return(null);
}
var attribute = memberInfo.GetCustomAttribute <JsonSpecifiedPropertyAttribute>(true);
if (attribute == null)
{
return(null);
}
#else
if (memberInfo == null ||
!Attribute.IsDefined(memberInfo, typeof(JsonSpecifiedPropertyAttribute)))
{
return(null);
}
JsonSpecifiedPropertyAttribute attribute = (JsonSpecifiedPropertyAttribute)Attribute.GetCustomAttribute(memberInfo, typeof(JsonSpecifiedPropertyAttribute));
#endif
return(attribute.SpecifiedProperty);
}
/// <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))
{
#if WINDOWS_STORE
PropertyInfo specProp = TCU.GetTypeInfo(objType).GetRuntimeProperty(specifiedProperty);
#else
PropertyInfo specProp = TCU.GetTypeInfo(objType).GetProperty(specifiedProperty);
#endif
if (!PropertyInfo.Equals(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 WINDOWS_STORE
if (objType.GetCustomAttribute <JsonOptInAttribute>(true) != null)
{
if (member.GetCustomAttribute <JsonMemberAttribute>(true) == null)
{
return(true);
}
}
#else
if (objType.GetCustomAttributes(typeof(JsonOptInAttribute), true).Length != 0)
{
if (member.GetCustomAttributes(typeof(JsonMemberAttribute), true).Length == 0)
{
return(true);
}
}
#endif
if (this.settings.UseXmlSerializationAttributes)
{
if (JsonIgnoreAttribute.IsXmlIgnore(member))
{
return(true);
}
#if WINDOWS_STORE
PropertyInfo specProp = TCU.GetTypeInfo(objType).GetRuntimeProperty(specifiedProperty);
#else
PropertyInfo specProp = TCU.GetTypeInfo(objType).GetProperty(member.Name + "Specified");
#endif
if (!PropertyInfo.Equals(specProp, null))
{
object isSpecified = specProp.GetValue(obj, null);
if (isSpecified is Boolean && !Convert.ToBoolean(isSpecified))
{
return(true);
}
}
}
return(false);
}
