public static List <Resource> GetResources(Catalog catalog, Filter filter, string serverUri, string proxyUrl)
{
return(GetResources(catalog, filter, serverUri, proxyUrl, null));
}
private void processResult(ArcGISWebClient.DownloadStringCompletedEventArgs e)
{
if (e.Cancelled)
{
return;
}
if (e.Error != null)
{
OnGetServicesInFolderFailed(new ExceptionEventArgs(e.Error, e.UserState));
return;
}
if (string.IsNullOrEmpty(e.Result))
{
OnGetServicesInFolderFailed(new ExceptionEventArgs(new Exception(Resources.Strings.ExceptionEmptyResponse), e.UserState));
return;
}
Catalog catalog = null;
try
{
string json = e.Result;
byte[] bytes = Encoding.Unicode.GetBytes(json);
using (System.IO.MemoryStream memoryStream = new System.IO.MemoryStream(bytes))
{
DataContractJsonSerializer dataContractJsonSerializer = new DataContractJsonSerializer(typeof(Catalog));
catalog = dataContractJsonSerializer.ReadObject(memoryStream) as Catalog;
memoryStream.Close();
}
if (catalog == null)
{
OnGetServicesInFolderFailed(new ExceptionEventArgs(new Exception(Resources.Strings.ExceptionUnableToDeserializeResponse), e.UserState));
return;
}
bool retrieveChildServices = (Filter & Filter.CachedResources) == Filter.CachedResources;
List <Resource> resources = Utility.GetResources(catalog, Filter, Uri, ProxyUrl);
if (retrieveChildServices && resources.Count > 0)
{
int childCount = 0;
List <Resource> childResources = new List <Resource>();
foreach (Resource childResource in resources)
{
IService service = ServiceFactory.CreateService(childResource.ResourceType, childResource.Url, childResource.ProxyUrl);
if (service != null)
{
service.ServiceDetailsDownloadFailed += (o, args) =>
{
// Remove service
childResources.Remove(args.UserState as Resource);
childCount++;
if (childCount >= resources.Count)
{
OnGetServicesInFolderCompleted(new GetServicesInFolderCompletedEventArgs()
{
ChildResources = childResources, UserState = e.UserState
});
}
};
service.ServiceDetailsDownloadCompleted += (o, args) =>
{
childCount++;
IService ser = o as IService;
if (ser == null || !ser.IsFilteredIn(Filter))
{
// Remove service
childResources.Remove(args.UserState as Resource);
}
if (childCount >= resources.Count)
{
OnGetServicesInFolderCompleted(new GetServicesInFolderCompletedEventArgs()
{
ChildResources = childResources, UserState = e.UserState
});
}
};
// Add the service before validation so that the catalog order is preserved. Service will be
// removed if found to be invalid.
Resource child = new Resource()
{
DisplayName = childResource.DisplayName,
Url = service.Uri,
ProxyUrl = ProxyUrl,
ResourceType = service.Type,
};
childResources.Add(child);
service.GetServiceDetails(child);
}
}
}
else
{
OnGetServicesInFolderCompleted(new GetServicesInFolderCompletedEventArgs()
{
ChildResources = resources, UserState = e.UserState
});
}
}
catch (Exception ex)
{
OnGetServicesInFolderFailed(new ExceptionEventArgs(ex, e.UserState));
}
}
