/// <summary>
/// Forks the reader and reads ahead to find the id and type of an object reference
/// </summary>
/// <param name="reader">The reader.</param>
/// <returns></returns>
public static ResourceObjectReference ReadAheadToIdentifyObject(ForkableJsonReader reader)
{
var lookAheadReader = reader.Fork();
string id = null;
string type = null;
foreach (var propName in ReaderUtil.IterateProperties(lookAheadReader))
{
if (propName == PropertyNames.Id)
{
if (lookAheadReader.TokenType != JsonToken.String)
{
throw new JsonApiFormatException(lookAheadReader.FullPath,
$"Expected to find string at {lookAheadReader.FullPath}",
"The value of 'id' MUST be a string");
}
id = (string)lookAheadReader.Value;
}
else if (propName == PropertyNames.Type)
{
if (lookAheadReader.TokenType != JsonToken.String)
{
throw new JsonApiFormatException(lookAheadReader.FullPath,
$"Expected to find string at {lookAheadReader.FullPath}",
"The value of 'type' MUST be a string");
}
type = (string)lookAheadReader.Value;
}
//we have the data we need no point continuing to read the reader
if (id != null && type != null)
{
break;
}
}
return(new ResourceObjectReference(id, type));
}
/// <summary>
/// Forks the reader and reads ahead to find the id and type of an object reference
/// </summary>
/// <param name="reader">The reader.</param>
/// <returns></returns>
public static ResourceObjectReference ReadAheadToIdentifyObject(ForkableJsonReader reader)
{
var lookAheadReader = reader.Fork();
var reference = new ResourceObjectReference();
foreach (var propName in ReaderUtil.IterateProperties(lookAheadReader))
{
if (propName == PropertyNames.Id)
{
if (lookAheadReader.TokenType != JsonToken.String)
{
throw new JsonApiFormatException(lookAheadReader.FullPath,
$"Expected to find string at {lookAheadReader.FullPath}",
"The value of 'id' MUST be a string");
}
reference.Id = (string)lookAheadReader.Value;
}
else if (propName == PropertyNames.Type)
{
if (lookAheadReader.TokenType != JsonToken.String)
{
throw new JsonApiFormatException(lookAheadReader.FullPath,
$"Expected to find string at {lookAheadReader.FullPath}",
"The value of 'type' MUST be a string");
}
reference.Type = (string)lookAheadReader.Value;
}
if (reference.Id != null && reference.Type != null)
{
break;
}
}
return(reference);
}
