private void LoadDatasetAndFetclass()
{
InstanceIdentify id = _tag as InstanceIdentify;
try
{
string url = _parent.Tag.ToString();
Dictionary <string, string> args = new Dictionary <string, string>();
args.Add(HttpCommands.cstArgNameCommand, HttpCommands.cstArgCmdGetCatalogList);
args.Add(HttpCommands.cstArgInstanceId, id.Id.ToString());
url = url + HttpCommands.GetCatalogUrl(HttpCommands.cstCatalogPage, args);
object[] objs = GetObjectFromHttpStream.GetObject(url) as object[];
if (objs != null && objs.Length > 0)
{
FetDatasetIdentify[] dsIds = objs[0] as FetDatasetIdentify[];
FetClassIdentify[] fetcIds = objs[1] as FetClassIdentify[];
//
if (dsIds != null && dsIds.Length > 0)
{
foreach (FetDatasetIdentify did in dsIds)
{
ICatalogItem cit = new CatalogNetFeatureDataset(did.Name, did.Id, did.Description);
AddChild(cit);
//
if (did.FetClassIds != null && did.FetClassIds.Length > 0)
{
foreach (FetClassIdentify fetcId in did.FetClassIds)
{
ICatalogItem fcit = new CatalogNetFeatureClass(fetcId.Name, fetcId, fetcId.Description);
cit.AddChild(fcit);
}
}
}
}
//
if (fetcIds != null && fetcIds.Length > 0)
{
foreach (FetClassIdentify fetcId in fetcIds)
{
ICatalogItem fcit = new CatalogNetFeatureClass(fetcId.Name, fetcId, fetcId.Description);
AddChild(fcit);
}
}
}
}
catch (Exception ex)
{
MsgBox.ShowError(ex.Message);
}
}
private static FeatureDataSourceBase GetDataSource(CatalogNetFeatureClass catalogNetFeatureClass)
{
string uri = null;
InstanceIdentify instanceId = null;
if (catalogNetFeatureClass.Parent is CatalogNetFeatureDataset)
{
instanceId = catalogNetFeatureClass.Parent.Parent.Tag as InstanceIdentify;
uri = catalogNetFeatureClass.Parent.Parent.Parent.Tag.ToString();//CatalogNetServer
// CatalogNetFeatureDataset.CatalogNetInstance.CatalogNetServer
}
else
{
instanceId = catalogNetFeatureClass.Parent.Tag as InstanceIdentify;
uri = catalogNetFeatureClass.Parent.Parent.Tag.ToString();//CatalogNetServer
// CatalogNetFeatureClass.CatalogInstance.CatalogNetServer
}
FetClassIdentify fetclassId = catalogNetFeatureClass.Tag as FetClassIdentify;
return(new ServerDataSource(catalogNetFeatureClass.Name, uri, instanceId, fetclassId));
}
/*
* <VectorServerInstances>
* <Instance name="北京1:5000万基础矢量服务" descrption="" args =""/>
* <Instance name="世界1:5000万基础矢量服务" descrption="" args =""/>
* </VectorServerInstances>
*/
public static IServerInstance[] Parse(string cnfgfile)
{
XDocument doc = XDocument.Load(cnfgfile);
XElement root = doc.Element("VectorServerInstances");
var eles = root.Elements("Instance");
if (eles == null)
{
return(null);
}
List <IServerInstance> defs = new List <IServerInstance>();
foreach (XElement ele in eles)
{
int id = int.Parse(ele.Attribute("id").Value);
string name = ele.Attribute("name").Value;
string desc = ele.Attribute("description").Value;
string args = ele.Attribute("args").Value;
InstanceIdentify idobj = new InstanceIdentify(id, name, desc);
IServerInstance def = ServerInstanceFactory.GetServerInstance(idobj, args);
defs.Add(def);
}
return(defs.Count > 0 ? defs.ToArray() : null);
}
public static IServerInstance GetServerInstance(InstanceIdentify instanceIdentify, string args)
{
if (args == null)
{
return(null);
}
string argc = args.ToUpper();
ICatalogProvider provider = null;
if (argc.Contains("$") && argc.Contains("DATA SOURCE") && argc.Contains("USER ID") && !argc.Contains(":"))
{
provider = new CatalogProviderSpatialDb(args);
return(new ServerInstanceForDb(instanceIdentify, provider, args));
}
else if (argc.Contains(":"))
{
provider = new CatalogProviderFile(args);
return(new ServerInstanceForFile(instanceIdentify, provider, args));
}
else
{
throw new Exception("指定的实例构造参数\"" + args + "\"非支持的有效格式。");
}
}
public ServerInstanceBase(InstanceIdentify id, ICatalogProvider catalogProvider, string args)
{
_id = id;
_catalogProvider = catalogProvider;
_args = args;
}
public ServerInstanceForDb(InstanceIdentify instanceIdentify, ICatalogProvider catalogProvider, string args)
: base(instanceIdentify, catalogProvider, args)
{
}
