public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
{
ListStepsResponse response = new ListStepsResponse();
context.Read();
int targetDepth = context.CurrentDepth;
while (context.ReadAtDepth(targetDepth))
{
if (context.TestExpression("Marker", targetDepth))
{
var unmarshaller = StringUnmarshaller.Instance;
response.Marker = unmarshaller.Unmarshall(context);
continue;
}
if (context.TestExpression("Steps", targetDepth))
{
var unmarshaller = new ListUnmarshaller <StepSummary, StepSummaryUnmarshaller>(StepSummaryUnmarshaller.Instance);
response.Steps = unmarshaller.Unmarshall(context);
continue;
}
}
return(response);
}
public override void Invoke(AWSCredentials creds, RegionEndpoint region, int maxItems)
{
AmazonElasticMapReduceConfig config = new AmazonElasticMapReduceConfig();
config.RegionEndpoint = region;
ConfigureClient(config);
AmazonElasticMapReduceClient client = new AmazonElasticMapReduceClient(creds, config);
ListStepsResponse resp = new ListStepsResponse();
do
{
ListStepsRequest req = new ListStepsRequest
{
Marker = resp.Marker
};
resp = client.ListSteps(req);
CheckError(resp.HttpStatusCode, "200");
foreach (var obj in resp.Steps)
{
AddObject(obj);
}
}while (!string.IsNullOrEmpty(resp.Marker));
}
public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
{
ListStepsResponse response = new ListStepsResponse();
context.Read();
UnmarshallResult(context, response);
return(response);
}
private static void UnmarshallResult(JsonUnmarshallerContext context, ListStepsResponse response)
{
int originalDepth = context.CurrentDepth;
int targetDepth = originalDepth + 1;
while (context.Read())
{
if (context.TestExpression("Steps", targetDepth))
{
context.Read();
if (context.CurrentTokenType == JsonToken.Null)
{
response.Steps = null;
continue;
}
response.Steps = new List <StepSummary>();
StepSummaryUnmarshaller unmarshaller = StepSummaryUnmarshaller.GetInstance();
while (context.Read())
{
JsonToken token = context.CurrentTokenType;
if (token == JsonToken.ArrayStart)
{
continue;
}
if (token == JsonToken.ArrayEnd)
{
break;
}
response.Steps.Add(unmarshaller.Unmarshall(context));
}
continue;
}
if (context.TestExpression("Marker", targetDepth))
{
context.Read();
response.Marker = StringUnmarshaller.GetInstance().Unmarshall(context);
continue;
}
if (context.CurrentDepth <= originalDepth)
{
return;
}
}
return;
}