public ObjectSubclassInfo(Type type, ConstructorInfo constructor) {
TypeInfo = type.GetTypeInfo();
ClassName = GetClassName(TypeInfo);
Constructor = constructor;
PropertyMappings = type.GetProperties()
.Select(prop => Tuple.Create(prop, prop.GetCustomAttribute<ParseFieldNameAttribute>(true)))
.Where(t => t.Item2 != null)
.Select(t => Tuple.Create(t.Item1, t.Item2.FieldName))
.ToDictionary(t => t.Item1.Name, t => t.Item2);
}
/** 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
PropertyInfo[] properties = objectType.GetProperties( BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance );
foreach (PropertyInfo info in properties)
{
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 = objectType.GetFields( BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance );
foreach (FieldInfo info in fields)
{
if (!info.IsPublic && info.GetCustomAttributes(typeof(JsonMemberAttribute),true).Length == 0)
{
continue;
}
if (JsonIgnoreAttribute.IsJsonIgnore(info))
{
continue;
}
string jsonName = JsonNameAttribute.GetJsonName(info);
if (String.IsNullOrEmpty(jsonName))
{
memberMap[info.Name] = info;
}
else
{
memberMap[jsonName] = info;
}
}
// store in cache for repeated usage
this.MemberMapCache[objectType] = memberMap;
return memberMap;
}
protected virtual void WriteObject(object value, Type type, bool serializePrivate)
{
bool appendDelim = false;
if (settings.HandleCyclicReferences && !type.IsValueType)
{
int prevIndex = 0;
if (this.previouslySerializedObjects.TryGetValue (value, out prevIndex)) {
this.Writer.Write(JsonReader.OperatorObjectStart);
this.WriteObjectProperty("@ref", prevIndex);
this.WriteLine();
this.Writer.Write(JsonReader.OperatorObjectEnd);
return;
} else {
this.previouslySerializedObjects.Add (value, this.previouslySerializedObjects.Count);
}
}
this.Writer.Write(JsonReader.OperatorObjectStart);
this.depth++;
if (this.depth > this.settings.MaxDepth)
{
throw new JsonSerializationException(String.Format(JsonWriter.ErrorMaxDepth, this.settings.MaxDepth));
}
try
{
if (!String.IsNullOrEmpty(this.settings.TypeHintName))
{
if (appendDelim)
{
this.WriteObjectPropertyDelim();
}
else
{
appendDelim = true;
}
this.WriteObjectProperty(this.settings.TypeHintName, type.FullName+", "+type.Assembly.GetName().Name);
}
bool anonymousType = type.IsGenericType && (type.Name.StartsWith(JsonWriter.AnonymousTypePrefix) || type.Name.StartsWith(JsonWriter.AnonymousTypePrefix2));
// serialize public properties
PropertyInfo[] properties = type.GetProperties();
foreach (PropertyInfo property in properties)
{
if (!property.CanRead) {
if (Settings.DebugMode)
Console.WriteLine ("Cannot serialize "+property.Name+" : cannot read");
continue;
}
if (!property.CanWrite && !anonymousType) {
if (Settings.DebugMode)
Console.WriteLine ("Cannot serialize "+property.Name+" : cannot write");
continue;
}
if (this.IsIgnored(type, property, value)) {
if (Settings.DebugMode)
Console.WriteLine ("Cannot serialize "+property.Name+" : is ignored by settings");
continue;
}
if (property.GetIndexParameters ().Length != 0) {
if (Settings.DebugMode)
Console.WriteLine ("Cannot serialize "+property.Name+" : is indexed");
continue;
}
object propertyValue = property.GetValue(value, null);
if (this.IsDefaultValue(property, propertyValue)) {
if (Settings.DebugMode)
Console.WriteLine ("Cannot serialize "+property.Name+" : is default value");
continue;
}
if (appendDelim)
this.WriteObjectPropertyDelim();
else
appendDelim = true;
// use Attributes here to control naming
string propertyName = JsonNameAttribute.GetJsonName(property);
if (String.IsNullOrEmpty(propertyName))
propertyName = property.Name;
this.WriteObjectProperty(propertyName, propertyValue);
}
// serialize public fields
FieldInfo[] fields = type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
foreach (FieldInfo field in fields)
{
if (field.IsStatic || (!field.IsPublic && field.GetCustomAttributes(typeof(JsonMemberAttribute),true).Length == 0)) {
if (Settings.DebugMode)
Console.WriteLine ("Cannot serialize "+field.Name+" : not public or is static (and does not have a JsonMember attribute)");
continue;
}
if (this.IsIgnored(type, field, value)) {
if (Settings.DebugMode)
Console.WriteLine ("Cannot serialize "+field.Name+" : ignored by settings");
continue;
}
object fieldValue = field.GetValue(value);
if (this.IsDefaultValue(field, fieldValue)) {
if (Settings.DebugMode)
Console.WriteLine ("Cannot serialize "+field.Name+" : is default value");
continue;
}
if (appendDelim)
{
this.WriteObjectPropertyDelim();
this.WriteLine();
} else
{
appendDelim = true;
}
// use Attributes here to control naming
string fieldName = JsonNameAttribute.GetJsonName(field);
if (String.IsNullOrEmpty(fieldName))
fieldName = field.Name;
this.WriteObjectProperty(fieldName, fieldValue);
}
}
finally
{
this.depth--;
}
if (appendDelim)
this.WriteLine();
this.Writer.Write(JsonReader.OperatorObjectEnd);
}
