public static IOfflineEntity GetObjectForType(EntryInfoWrapper wrapper, Type[] knownTypes)
{
Type entityType = null;
ConstructorInfo ctorInfo = null;
// See if its cached first.
if (!_stringToCtorInfoMapping.TryGetValue(wrapper.TypeName, out ctorInfo))
{
// Its not cached. Try to look for it then in list of known types.
if (knownTypes != null)
{
entityType = knownTypes.Where((e) => e.FullName.Equals(wrapper.TypeName, StringComparison.InvariantCulture)).FirstOrDefault();
if (entityType == null)
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "Unable to find a matching type for entry '{0}' in list of KnownTypes.", wrapper.TypeName));
}
}
else
{
// Try to look for the type in the list of all loaded assemblies.
#if SERVER
Assembly[] loadedAssemblies = AppDomain.CurrentDomain.GetAssemblies();
#elif CLIENT
Assembly[] loadedAssemblies = new Assembly[] { Assembly.GetExecutingAssembly(), Assembly.GetCallingAssembly() };
#endif
foreach (Assembly assembly in loadedAssemblies)
{
#if SERVER
entityType = assembly.GetTypes().Where((e) => e.FullName.Equals(wrapper.TypeName, StringComparison.InvariantCulture) &&
e.GetCustomAttributes(typeof(SyncEntityTypeAttribute), true).Count() > 0).FirstOrDefault();
#elif CLIENT
entityType = assembly.GetTypes().Where((e) => e.FullName.Equals(wrapper.TypeName, StringComparison.InvariantCulture) &&
e.GetInterface("IOfflineEntity", false) != null).FirstOrDefault();
#endif
if (entityType != null)
{
break;
}
}
if (entityType == null)
{
throw new InvalidOperationException(string.Format("Unable to find a matching type for entry '{0}' in the loaded assemblies. Specify the type name in the KnownTypes argument to the SyncReader instance.", wrapper.TypeName));
}
}
// Reflect this entity and get necessary info
ReflectionUtility.GetPropertyInfoMapping(entityType);
ctorInfo = _stringToCtorInfoMapping[wrapper.TypeName];
}
else
{
entityType = ctorInfo.ReflectedType;
}
// Invoke the ctor
object obj = ctorInfo.Invoke(null);
// Set the parameters only for non tombstone items
if (!wrapper.IsTombstone)
{
PropertyInfo[] props = GetPropertyInfoMapping(entityType);
foreach (PropertyInfo pinfo in props)
{
string value = null;
if (wrapper.PropertyBag.TryGetValue(pinfo.Name, out value))
{
pinfo.SetValue(obj, GetValueFromType(pinfo.PropertyType, value), null);
}
}
}
IOfflineEntity entity = (IOfflineEntity)obj;
entity.ServiceMetadata = new OfflineEntityMetadata(wrapper.IsTombstone, wrapper.Id, wrapper.ETag, wrapper.EditUri);
return(entity);
}
/// <summary>
/// This writes the public contents of the Entity to the passed in XElement.
/// </summary>
/// <param name="contentElement">The XElement to which the type properties is added to</param>
/// <param name="entity">Entity</param>
/// <returns>XElement representation of the properties element</returns>
void WriteEntityContentsToElement(XElement contentElement, IOfflineEntity entity)
{
PropertyInfo[] properties = ReflectionUtility.GetPropertyInfoMapping(entity.GetType());
// Write individual properties to the feed,
foreach (PropertyInfo fi in properties)
{
object objValue = fi.GetValue(entity, null);
if (objValue == null)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Null),
objValue));
}
else if (fi.PropertyType == FormatterConstants.CharType ||
fi.PropertyType == FormatterConstants.StringType ||
fi.PropertyType == FormatterConstants.GuidType)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
objValue));
}
else if (fi.PropertyType == FormatterConstants.DateTimeType ||
fi.PropertyType == FormatterConstants.TimeSpanType ||
fi.PropertyType == FormatterConstants.DateTimeOffsetType)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
FormatterUtilities.ConvertDateTimeForType_Json(objValue, fi.PropertyType)));
}
else if (fi.PropertyType == FormatterConstants.BoolType)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Boolean),
objValue));
}
else if (fi.PropertyType == FormatterConstants.ByteArrayType)
{
byte[] bytes = (byte[])objValue;
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
Convert.ToBase64String(bytes)));
}
else if (fi.PropertyType.IsGenericType && fi.PropertyType.Name.Equals(FormatterConstants.NullableTypeName, StringComparison.InvariantCulture))
{
// Its a Nullable<T> property
Type genericParamType = fi.PropertyType.GetGenericArguments()[0];
string elementType = JsonElementTypes.Number;
if (genericParamType == FormatterConstants.BoolType)
{
elementType = JsonElementTypes.Boolean;
}
else if (genericParamType == FormatterConstants.DateTimeType ||
genericParamType == FormatterConstants.TimeSpanType ||
genericParamType == FormatterConstants.DateTimeOffsetType)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
FormatterUtilities.ConvertDateTimeForType_Json(objValue, genericParamType)));
continue;
}
else if (genericParamType == FormatterConstants.CharType ||
genericParamType == FormatterConstants.GuidType)
{
elementType = JsonElementTypes.String;
}
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, elementType),
objValue));
}
else // Its a number
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Number),
objValue));
}
}
}