public override void CreateLayerAsync(Resource layerResource, SpatialReference mapSpatialReference, object userState)
{
if (layerResource.ResourceType == ResourceType.DatabaseTable)
{
featureService = new FeatureService(layerResource.Url);
featureService.GetFeatureServiceDetailsFailed += (o, e) =>
{
OnCreateLayerFailed(e);
};
featureService.GetFeatureServiceDetailsCompleted += (o, e) =>
{
if (e.FeatureServiceInfo == null)
{
OnCreateLayerFailed(new ESRI.ArcGIS.Mapping.Core.ExceptionEventArgs(new Exception(Resources.Strings.ExceptionUnableToRetrieveLayerDetails), e.UserState));
return;
}
GeometryType GeometryType = GeometryType.Unknown;
switch (e.FeatureServiceInfo.GeometryType)
{
case "esriGeometryPoint":
GeometryType = GeometryType.Point;
break;
case "esriGeometryMultipoint":
GeometryType = GeometryType.MultiPoint;
break;
case "esriGeometryPolyline":
GeometryType = GeometryType.Polyline;
break;
case "esriGeometryPolygon":
GeometryType = GeometryType.Polygon;
break;
}
FeatureLayer newFeatureLayer = new FeatureLayer()
{
Url = featureService.Uri,
ID = Guid.NewGuid().ToString("N"),
Mode = FeatureLayer.QueryMode.OnDemand,
Renderer = new ESRI.ArcGIS.Mapping.Core.Symbols.HiddenRenderer()
};
newFeatureLayer.SetValue(MapApplication.LayerNameProperty, layerResource.DisplayName);
newFeatureLayer.SetValue(Core.LayerExtensions.GeometryTypeProperty, GeometryType);
newFeatureLayer.SetValue(Core.LayerExtensions.DisplayUrlProperty, layerResource.Url);
if (e.FeatureServiceInfo.Fields != null)
{
Collection<FieldInfo> fields = new Collection<FieldInfo>();
foreach (Field field in e.FeatureServiceInfo.Fields)
{
if (field.DataType == "Microsoft.SqlServer.Types.SqlGeometry" || field.DataType == "esriFieldTypeGeometry")
continue;
fields.Add(new FieldInfo()
{
DisplayName = field.Name,
FieldType = mapFieldType(field.DataType),
Name = field.Name,
VisibleInAttributeDisplay = true,
VisibleOnMapTip = true,
});
}
newFeatureLayer.SetValue(Core.LayerExtensions.FieldsProperty, fields);
}
newFeatureLayer.OutFields.Add("*"); // Get all fields at configuration time
OnCreateLayerCompleted(new CreateLayerCompletedEventArgs() { Layer = newFeatureLayer, UserState = e.UserState, GeometryType = GeometryType });
};
featureService.GetFeatureServiceDetails(userState);
}
else
{
OnCreateLayerFailed(new ESRI.ArcGIS.Mapping.Core.ExceptionEventArgs(new Exception(string.Format(Resources.Strings.ExceptionCannotCreateLayerForResourceType, layerResource.ResourceType.ToString())), userState));
}
}
private void processResult(ArcGISWebClient.DownloadStringCompletedEventArgs e)
{
if (e.Cancelled)
return;
if (e.Error != null)
{
OnGetGroupLayerDetailsFailed(new ExceptionEventArgs(e.Error, e.UserState));
return;
}
if (string.IsNullOrEmpty(e.Result))
{
OnGetGroupLayerDetailsFailed(new ExceptionEventArgs(new Exception(Resources.Strings.ExceptionEmptyResponse), e.UserState));
return;
}
LayerDetails layerDetails;
try
{
string json = e.Result;
Exception exception = Utils.CheckJsonForException(json);
if (exception != null)
{
OnGetGroupLayerDetailsFailed(new ExceptionEventArgs(exception, e.UserState));
return;
}
byte[] bytes = Encoding.Unicode.GetBytes(json);
using (System.IO.MemoryStream memoryStream = new System.IO.MemoryStream(bytes))
{
DataContractJsonSerializer dataContractJsonSerializer = new DataContractJsonSerializer(typeof(LayerDetails));
layerDetails = dataContractJsonSerializer.ReadObject(memoryStream) as LayerDetails;
memoryStream.Close();
}
if (layerDetails == null)
{
OnGetGroupLayerDetailsFailed(new ExceptionEventArgs(new Exception(Resources.Strings.ExceptionUnableToDeserializeResponse), e.UserState));
return;
}
}
catch (Exception ex)
{
OnGetGroupLayerDetailsFailed(new ExceptionEventArgs(ex, e.UserState));
return;
}
List<Resource> childResources = new List<Resource>();
if (layerDetails.SubLayers != null)
{
int totalSubLayerCount = layerDetails.SubLayers.Count;
int subLayerCount = 0;
string parentMapServerUrl = Uri.Substring(0, Uri.IndexOf("MapServer", StringComparison.OrdinalIgnoreCase)+9);
foreach (SubLayer subLayer in layerDetails.SubLayers)
{
// In order to determine whether a sub layer is a group layer or not, we need to make more requests
string subLayerUrl = string.Format("{0}/{1}", parentMapServerUrl, subLayer.ID);
Layer lyr = new Layer(subLayerUrl, ProxyUrl);
lyr.GetLayerDetailsFailed += (o, args) =>{
// Remove layer
childResources.Remove(args.UserState as Resource);
subLayerCount++;
if(subLayerCount >= totalSubLayerCount)
OnGetGroupLayerDetailsCompleted(new GetLayerDetailsCompletedEventArgs() { ChildResources = childResources, LayerDetails = layerDetails, UserState = e.UserState });
};
lyr.GetLayerDetailsCompleted += (o,args) =>{
subLayerCount++;
if (args.LayerDetails == null)
{
childResources.Remove(args.UserState as Resource);
return;
}
Resource childResource = args.UserState as Resource;
childResource.ResourceType = args.LayerDetails.Type == "Group Layer" ? ResourceType.GroupLayer : ResourceType.Layer;
childResource.DisplayName = args.LayerDetails.Name;
childResource.Url = string.Format("{0}/{1}", parentMapServerUrl, args.LayerDetails.ID);
childResource.ProxyUrl = ProxyUrl;
childResource.Tag = args.LayerDetails.ID;
if(subLayerCount >= totalSubLayerCount)
OnGetGroupLayerDetailsCompleted(new GetLayerDetailsCompletedEventArgs() { ChildResources = childResources, LayerDetails = layerDetails, UserState = e.UserState });
};
// Add layer before validating to preserve catalog order. Layer will be removed if validation
// fails.
Resource child = new Resource();
childResources.Add(child);
lyr.GetLayerDetails(child);
}
}
else
{
OnGetGroupLayerDetailsCompleted(new GetLayerDetailsCompletedEventArgs() { ChildResources = childResources, LayerDetails = layerDetails, UserState = e.UserState });
}
}
public override bool IsResourceSelectable(Resource resource, Filter filter)
{
return resource.ResourceType == ResourceType.DatabaseTable;
}
public override bool SupportsChildResources(Resource resource, Filter filter)
{
bool hasChildResource = resource.ResourceType == ResourceType.Server
|| resource.ResourceType == ResourceType.Database;
return hasChildResource;
}
private void getChildResourcesForServer(Resource parentResource, Filter filter, object userState)
{
server = new Server(parentResource.Url) { FilterForSpatialContent = (filter & Filter.SpatiallyEnabledResources) == Filter.SpatiallyEnabledResources };
server.GetCatalogFailed += (o, e) =>
{
OnGetChildResourcesFailed(e);
};
server.GetCatalogCompleted += (o, e) =>
{
OnGetChildResourcesCompleted(new GetChildResourcesCompletedEventArgs() { ChildResources = e.ChildResources, UserState = e.UserState });
};
server.GetCatalog(userState);
}
public override Resource GetResource(string connectionString, string proxyUrl)
{
if (!connectionString.StartsWith("http://") && !connectionString.StartsWith("https://"))
connectionString = string.Format("http://{0}", connectionString);
// Initialize to "Server" so that "catalog" will be called with this value unless this logic detects that the
// connection string actually refers to another type of resource like a map service, layer, etc.
Resource res = new Resource()
{
Url = connectionString,
ResourceType = ResourceType.Server,
};
try
{
Uri myUri = new Uri(connectionString);
if (myUri.IsAbsoluteUri)
{
string path = myUri.AbsolutePath;
string[] pathComponents = path.Split(new string[] { "/" }, StringSplitOptions.RemoveEmptyEntries);
if (pathComponents.Length >= 2)
{
// This is for SDS 10.1 which mimics ArcGIS Server
if (String.Compare(pathComponents[pathComponents.Length - 1], "featureserver", StringComparison.CurrentCultureIgnoreCase) == 0)
{
res.ResourceType = ResourceType.FeatureServer;
res.DisplayName = pathComponents[pathComponents.Length - 2];
return res;
}
else if (String.Compare(pathComponents[pathComponents.Length - 2], "databases", StringComparison.CurrentCultureIgnoreCase) == 0)
{
res.ResourceType = ResourceType.Database;
res.DisplayName = pathComponents[pathComponents.Length - 1];
return res;
}
}
if (pathComponents.Length >= 3)
{
if (String.Compare(pathComponents[pathComponents.Length - 2], "featureserver", StringComparison.CurrentCultureIgnoreCase) == 0)
{
// It may seem wrong to call this a GP Server when the URL is clearly indicating a child tool, but
// we need to do this in order to get the parent service and all child tools since we want this
// context in the tree control.
res.ResourceType = ResourceType.FeatureServer;
res.DisplayName = pathComponents[pathComponents.Length - 3];
// Store the layer "id" in the tag. This will be extracted and used when populating the tree
// control in order to select the proper child item.
res.Tag = pathComponents[pathComponents.Length - 1];
// Create a URL that removes the trailing layer id
int i = res.Url.LastIndexOf("/");
if (i >= 0)
res.Url = res.Url.Remove(i);
return res;
}
else if (String.Compare(pathComponents[pathComponents.Length - 3], "databases", StringComparison.CurrentCultureIgnoreCase) == 0)
{
// We need to do this in order to get the parent database and all child tables since we want this
// context in the tree control.
res.ResourceType = ResourceType.Database;
res.DisplayName = pathComponents[pathComponents.Length - 2];
// Store the layer "id" in the tag. This will be extracted and used when populating the tree
// control in order to select the proper child item.
res.Tag = pathComponents[pathComponents.Length - 1];
// Create a URL that removes the trailing layer id
int i = res.Url.LastIndexOf("/");
if (i >= 0)
res.Url = res.Url.Remove(i);
return res;
}
}
}
}
catch
{
}
// Parse to determine if this
return res;
}
private void getFieldsInDatabaseTable(Resource parentResource, object userState)
{
featureServer = new FeatureService(parentResource.Url);
featureServer.GetFeatureServiceDetailsFailed += (o, e) =>
{
OnGetChildResourcesFailed(e);
};
featureServer.GetFeatureServiceDetailsCompleted += (o, e) =>
{
OnGetChildResourcesCompleted(new GetChildResourcesCompletedEventArgs() { ChildResources = e.ChildResources, UserState = e.UserState });
};
featureServer.GetFeatureServiceDetails(userState);
}
private void getTablesInDatabase(Resource parentResource, object userState)
{
database = new Database(parentResource.Url);
database.GetTablesInDatabaseFailed += (o, e) =>
{
OnGetChildResourcesFailed(e);
};
database.GetTablesInDatabaseCompleted += (o, e) =>
{
OnGetChildResourcesCompleted(new GetChildResourcesCompletedEventArgs() { ChildResources = e.ChildResources, UserState = e.UserState });
};
database.GetTables(userState);
}
public override void GetChildResourcesAsync(Resource parentResource, Filter filter, object userState)
{
if ((filter & Filter.None) == Filter.None ||
(filter & Filter.SpatiallyEnabledResources) == Filter.SpatiallyEnabledResources ||
(filter & Filter.FeatureServices) == Filter.FeatureServices)
{
switch (parentResource.ResourceType)
{
case ResourceType.Server:
case ResourceType.FeatureServer:
getChildResourcesForServer(parentResource, filter, userState);
break;
case ResourceType.Database:
getTablesInDatabase(parentResource, userState);
break;
case ResourceType.DatabaseTable:
getFieldsInDatabaseTable(parentResource, userState);
break;
}
}
else
{
OnGetChildResourcesCompleted(new GetChildResourcesCompletedEventArgs() { ChildResources = null, UserState = userState });
}
}
private void processResult(ArcGISWebClient.DownloadStringCompletedEventArgs e)
{
if (e.Cancelled)
return;
if (e.Error != null)
{
OnGetCatalogFailed(new ExceptionEventArgs(e.Error, e.UserState));
return;
}
if (string.IsNullOrEmpty(e.Result))
{
OnGetCatalogFailed(new ExceptionEventArgs(new Exception(Resources.Strings.ExceptionEmptyResponse), e.UserState));
return;
}
string json = e.Result;
Exception exception = Utils.CheckJsonForException(json);
if (exception != null)
{
OnGetCatalogFailed(new ExceptionEventArgs(exception, e.UserState));
return;
}
Catalog catalog = null;
try
{
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();
}
}
catch(Exception ex)
{
OnGetCatalogFailed(new ExceptionEventArgs(ex, e.UserState));
return;
}
if (catalog == null)
{
OnGetCatalogFailed(new ExceptionEventArgs(new Exception(Resources.Strings.ExceptionUnableToDeserializeCatalog), e.UserState));
return;
}
if (catalog.Folders == null && catalog.Services == null)
{
OnGetCatalogFailed(new ExceptionEventArgs(new Exception(Resources.Strings.ExceptionNoServicesFoundOnServer), e.UserState));
return;
}
List<Resource> childResources = new List<Resource>();
List<Resource> resources = Utility.GetResources(catalog, Filter, Uri, ProxyUrl, lockObj);
int childCount = 0;
int totalChildCount = resources != null ? resources.Count : 0;
// If the catalog has any folders, add them to the returned list first
if (catalog.Folders != null)
{
totalChildCount += catalog.Folders.Count;
foreach (string folderName in catalog.Folders)
{
Folder folder = new Folder(string.Format("{0}/{1}", Uri, folderName), ProxyUrl)
{
Filter = Filter,
};
folder.GetServicesInFolderFailed += (o, args) =>
{
// Remove the folder
lock (lockObj)
{
childResources.Remove(args.UserState as Resource);
}
childCount++;
if (childCount >= totalChildCount)
OnGetCatalogCompleted(new GetCatalogCompletedEventArgs() { ChildResources = childResources, UserState = e.UserState });
};
folder.GetServicesInFolderCompleted += (o, args) =>
{
int nestedChildTotalCount = args.ChildResources.Count();
if (nestedChildTotalCount == 0)
{
// Remove the folder
lock (lockObj)
{
childResources.Remove(args.UserState as Resource);
}
}
childCount++;
if (childCount >= totalChildCount)
OnGetCatalogCompleted(new GetCatalogCompletedEventArgs() { ChildResources = childResources, UserState = e.UserState });
};
// Add the folder before validation so that the catalog order is preserved. Folder will be
// removed if found to be invalid.
Resource folderResource = new Resource()
{
DisplayName = folderName,
Url = string.Format("{0}/{1}", Uri, folderName),
ProxyUrl = ProxyUrl,
ResourceType = ResourceType.Folder,
};
lock (lockObj)
{
childResources.Add(folderResource);
}
folder.GetServices(folderResource);
}
}
// Remove any undesired services due to filtering
foreach (Resource childRes in resources)
{
IService childService = ServiceFactory.CreateService(childRes.ResourceType, childRes.Url, childRes.ProxyUrl);
if (childService != null)
{
// Determine if filtering requires detailed information about the server and only make async call to
// obtain detailed info if true.
if (childService.IsServiceInfoNeededToApplyThisFilter(Filter))
{
childService.ServiceDetailsDownloadFailed += (o, args) =>
{
// Remove resource
lock (lockObj)
{
childResources.Remove(args.UserState as Resource);
}
childCount++;
if (childCount >= totalChildCount)
OnGetCatalogCompleted(new GetCatalogCompletedEventArgs() { ChildResources = childResources, UserState = e.UserState });
};
childService.ServiceDetailsDownloadCompleted += (o, args) =>
{
IService service = o as IService;
if (service == null || !service.IsFilteredIn(Filter)) // check if service is filtered
{
// Remove resource
lock (lockObj)
{
childResources.Remove(args.UserState as Resource);
}
}
childCount++;
if (childCount >= totalChildCount)
OnGetCatalogCompleted(new GetCatalogCompletedEventArgs() { 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 childResource = new Resource()
{
DisplayName = childRes.DisplayName,
Url = childService.Uri,
ProxyUrl = ProxyUrl,
ResourceType = childService.Type
};
lock (lockObj)
{
childResources.Add(childResource);
}
childService.GetServiceDetails(childResource);
}
else
{
// Apply filtering using basic information, not detailed information
if (childService != null && childService.IsFilteredIn(Filter))
{
lock (lockObj)
{
childResources.Add(new Resource()
{
DisplayName = childRes.DisplayName,
Url = childService.Uri,
ProxyUrl = ProxyUrl,
ResourceType = childService.Type
});
}
}
++childCount;
}
}
}
if (childCount >= totalChildCount)
OnGetCatalogCompleted(new GetCatalogCompletedEventArgs() { ChildResources = childResources, UserState = e.UserState });
}
private void DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
if (e.Cancelled)
return;
if (e.Error != null)
{
bool redownloadAttempted = WebClientFactory.RedownloadAttempted.Contains(webClient);
if (Utils.IsMessageLimitExceededException(e.Error) && !redownloadAttempted)
{
// Re-issue the request which should serve it out of cache
// and helps us avoid the error which is caused by setting AllowReadStreamBuffering=false
// which was used to workaround the problem of SL4 and gzipped content
WebClientFactory.RedownloadStringAsync(webClient, finalUrl, e.UserState);
}
else
{
if (redownloadAttempted) WebClientFactory.RedownloadAttempted.Remove(webClient);
OnGetCatalogFailed(new ExceptionEventArgs(e.Error, e.UserState));
}
return;
}
if (string.IsNullOrEmpty(e.Result))
{
OnGetCatalogFailed(new ExceptionEventArgs(new Exception(Resources.Strings.ExceptionEmptyResponse), e.UserState));
return;
}
string json = e.Result;
Exception exception = Utils.CheckJsonForException(json);
if (exception != null)
{
OnGetCatalogFailed(new ExceptionEventArgs(exception, e.UserState));
return;
}
DatabaseCatalog catalog = null;
try
{
byte[] bytes = Encoding.Unicode.GetBytes(json);
using (System.IO.MemoryStream memoryStream = new System.IO.MemoryStream(bytes))
{
DataContractJsonSerializer dataContractJsonSerializer = new DataContractJsonSerializer(typeof(DatabaseCatalog));
catalog = dataContractJsonSerializer.ReadObject(memoryStream) as DatabaseCatalog;
memoryStream.Close();
}
}
catch (Exception ex)
{
OnGetCatalogFailed(new ExceptionEventArgs(ex, e.UserState));
return;
}
if (catalog == null)
{
OnGetCatalogFailed(new ExceptionEventArgs(new Exception(Resources.Strings.ExceptionUnableToDeserializeCatalog), e.UserState));
return;
}
List<Resource> childResources = new List<Resource>();
int totalDatabasesCount = catalog.Databases == null ? 0 : catalog.Databases.Count;
if (catalog.Databases != null)
{
int databaseCount = 0;
foreach (string databaseName in catalog.Databases)
{
Resource databaseResource = new Resource()
{
DisplayName = databaseName,
Url = string.Format("{0}/{1}", Uri, databaseName),
ResourceType = ResourceType.Database,
};
if (!FilterForSpatialContent)
{
childResources.Add(databaseResource);
}
else
{
Database db = new Database(databaseResource.Url) { FilterForSpatialContent = true };
db.GetTablesInDatabaseFailed += (o, args) => {
// remove the database
childResources.Remove(args.UserState as Resource);
databaseCount++;
if (databaseCount >= totalDatabasesCount)
{
// all done, raise the event
OnGetCatalogFailed(args);
}
};
db.GetTablesInDatabaseCompleted += (o, args) =>
{
databaseCount++;
bool hasAtleastOneSpatialTable = args.ChildResources.Count() > 0;
if (!hasAtleastOneSpatialTable)
{
// remove the database
childResources.Remove(args.UserState as Resource);
}
if (databaseCount >= totalDatabasesCount)
{
// all done, raise the event
OnGetCatalogRequestCompleted(new GetCatalogCompletedEventArgs() { ChildResources = childResources, UserState = e.UserState });
}
};
// Add database prior to validation to preserve catalog order. Database will be removed
// if validation fails.
Resource child = new Resource()
{
DisplayName = databaseName,
Url = string.Format("{0}/{1}", Uri, databaseName),
ResourceType = ResourceType.Database,
};
childResources.Add(child);
db.GetTables(child);
}
}
}
if(!FilterForSpatialContent || totalDatabasesCount == 0)
{
OnGetCatalogRequestCompleted(new GetCatalogCompletedEventArgs() { ChildResources = childResources, UserState = e.UserState });
}
}
private void DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
if (e.Cancelled)
return;
if (e.Error != null)
{
bool redownloadAttempted = WebClientFactory.RedownloadAttempted.Contains(webClient);
if (Utils.IsMessageLimitExceededException(e.Error) && !redownloadAttempted)
{
// Re-issue the request which should serve it out of cache
// and helps us avoid the error which is caused by setting AllowReadStreamBuffering=false
// which was used to workaround the problem of SL4 and gzipped content
WebClientFactory.RedownloadStringAsync(webClient, finalUrl, e.UserState);
}
else
{
if (redownloadAttempted) WebClientFactory.RedownloadAttempted.Remove(webClient);
OnGetTablesInDatabaseFailed(new ExceptionEventArgs(e.Error, e.UserState));
}
return;
}
if (string.IsNullOrEmpty(e.Result))
{
OnGetTablesInDatabaseFailed(new ExceptionEventArgs(new Exception("Empty response"), e.UserState));
return;
}
DatabaseTables databaseTables = null;
try
{
string json = e.Result;
if (Utils.IsSDSCatalogResponse(json))
{
// We were expecting a response consisting of tables, instead we got a response of the catalog
// this must be because we formed/guessed our URL wrong
OnGetTablesInDatabaseFailed(new ExceptionEventArgs(new Exception("Invalid response recieved. Catalog response recieved when expecting database tables"), e.UserState));
return;
}
Exception exception = Utils.CheckJsonForException(json);
if (exception != null)
{
OnGetTablesInDatabaseFailed(new ExceptionEventArgs(exception, e.UserState));
return;
}
byte[] bytes = Encoding.Unicode.GetBytes(json);
using (MemoryStream memoryStream = new MemoryStream(bytes))
{
DataContractJsonSerializer dataContractJsonSerializer = new DataContractJsonSerializer(typeof(DatabaseTables));
databaseTables = dataContractJsonSerializer.ReadObject(memoryStream) as DatabaseTables;
memoryStream.Close();
}
if (databaseTables == null)
{
OnGetTablesInDatabaseFailed(new ExceptionEventArgs(new Exception("Unable to deserialize response"), e.UserState));
return;
}
List<Resource> childResources = new List<Resource>();
int totalTableCount = databaseTables.Tables != null ? databaseTables.Tables.Count : 0;
if (databaseTables.Tables != null)
{
int tableCount = 0;
foreach (string table in databaseTables.Tables)
{
Resource databaseTable = new Resource()
{
ResourceType = ResourceType.DatabaseTable,
DisplayName = table,
Url = string.Format("{0}/{1}", Uri, table),
};
if (FilterForSpatialContent)
{
FeatureService featureService = new FeatureService(databaseTable.Url);
featureService.GetFeatureServiceDetailsFailed += (o, args) => {
// Remove the table
childResources.Remove(args.UserState as Resource);
tableCount++;
if (tableCount >= totalTableCount)
{
// all done raise the event
OnGetTablesInDatabaseFailed(args);
}
};
featureService.GetFeatureServiceDetailsCompleted += (o, args) =>
{
tableCount++;
if (args.FeatureServiceInfo == null
|| !args.FeatureServiceInfo.DoesTableHasGeometryColumn())
{
// Remove the table
childResources.Remove(args.UserState as Resource);
}
if (tableCount >= totalTableCount)
{
// all done raise the event
OnGetTablesInDatabaseCompleted(new GetTablesInDatabaseCompletedEventArgs() { ChildResources = childResources, UserState = e.UserState });
}
};
// Add table before validation to preserve catalog order. Table will be removed if
// validation fails.
Resource child = new Resource()
{
ResourceType = ResourceType.DatabaseTable,
DisplayName = databaseTable.DisplayName,
Url = databaseTable.Url,
};
childResources.Add(child);
featureService.GetFeatureServiceDetails(child);
}
else
{
childResources.Add(databaseTable);
}
}
}
if (!FilterForSpatialContent || totalTableCount == 0)
{
OnGetTablesInDatabaseCompleted(new GetTablesInDatabaseCompletedEventArgs() { ChildResources = childResources, UserState = e.UserState });
}
}
catch (Exception ex)
{
OnGetTablesInDatabaseFailed(new ExceptionEventArgs(ex, e.UserState));
}
}
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));
}
}