/// <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>
internal bool IsIgnored(Type objType, MemberInfo member, object obj)
{
if (JsonIgnoreAttribute.IsJsonIgnore(member))
{
return(true);
}
// Cutting support for this
// -- Aron
/*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 ||
objType.GetCustomAttributes(typeof(SerializableAttribute), true).Length != 0)
{
if (member.GetCustomAttributes(typeof(JsonMemberAttribute), true).Length == 0 &&
member.GetCustomAttributes(typeof(SerializeField), true).Length == 0)
{
return(true);
}
}
if (UseXmlSerializationAttributes)
{
if (JsonIgnoreAttribute.IsXmlIgnore(member))
{
return(true);
}
/*
* throw new System.Exception ("No longer supporting XML Serialization Attributes");
*
* 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);
}
/** Creates a member map for the type */
private Dictionary <string, MemberInfo> CreateMemberMap(Type objectType)
{
Dictionary <string, MemberInfo> memberMap;
if (this.MemberMapCache.TryGetValue(objectType, out memberMap))
{
// map was stored in cache
return(memberMap);
}
// create a new map
memberMap = new Dictionary <string, MemberInfo>();
// load properties into property map
Type tp = objectType;
while (tp != null)
{
PropertyInfo[] properties = TCU.GetTypeInfo(tp).GetProperties(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
for (int i = 0; i < properties.Length; i++)
{
PropertyInfo info = properties [i];
if (!info.CanRead || !info.CanWrite)
{
continue;
}
if (JsonIgnoreAttribute.IsJsonIgnore(info))
{
continue;
}
string jsonName = JsonNameAttribute.GetJsonName(info);
if (String.IsNullOrEmpty(jsonName))
{
memberMap[info.Name] = info;
}
else
{
memberMap[jsonName] = info;
}
}
// load public fields into property map
FieldInfo[] fields = TCU.GetTypeInfo(tp).GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
foreach (FieldInfo info in fields)
{
if (!info.IsPublic &&
#if WINDOWS_STORE
info.GetCustomAttribute <JsonMemberAttribute>(false) == null
#else
(info.GetCustomAttributes(typeof(JsonMemberAttribute), false).Length == 0 && info.GetCustomAttributes(typeof(SerializeField), true).Length == 0)
#endif
)
{
continue;
}
if (JsonIgnoreAttribute.IsJsonIgnore(info))
{
continue;
}
string jsonName = JsonNameAttribute.GetJsonName(info);
if (String.IsNullOrEmpty(jsonName))
{
memberMap[info.Name] = info;
}
else
{
memberMap[jsonName] = info;
}
var formerlySerializedAs = info.GetCustomAttributes(typeof(JsonFormerlySerializedAsAttribute), true);
if (formerlySerializedAs.Length > 0)
{
var formerName = (formerlySerializedAs [0] as JsonFormerlySerializedAsAttribute).name;
if (!String.IsNullOrEmpty(formerName) && !memberMap.ContainsKey(formerName))
{
memberMap [formerName] = info;
}
}
}
tp = tp.BaseType;
}
// store in cache for repeated usage
this.MemberMapCache[objectType] = memberMap;
return(memberMap);
}