async static public Task <GMLFile> Create(string filename)
{
try
{
var file = new GMLFile();
file._gmlDataset = new Dataset();
await file._gmlDataset.SetConnectionString(filename);
if (!await file._gmlDataset.Open())
{
file._gmlDataset = null;
}
file._filename = filename;
file._doc = new XmlDocument();
file._doc.Load(file._filename);
file._ns = new XmlNamespaceManager(file._doc.NameTable);
file._ns.AddNamespace("GML", "http://www.opengis.net/gml");
file._ns.AddNamespace("WFS", "http://www.opengis.net/wfs");
file._ns.AddNamespace("OGC", "http://www.opengis.net/ogc");
file._ns.AddNamespace("myns", file._gmlDataset.targetNamespace);
return(file);
}
catch
{
return(null);
}
}
public bool Flush(IFeatureClass fClass)
{
if (fClass == null || !(fClass.Dataset is Dataset))
{
return(false);
}
GMLFile gmlFile = null;
try
{
// use always the same GMLFile...
if (!_gmlFiles.TryGetValue(((Dataset)fClass.Dataset).ConnectionString, out gmlFile))
{
return(false);
}
}
catch
{
return(false);
}
if (gmlFile == null)
{
return(false);
}
return(gmlFile.Flush());
}
public bool Flush(IFeatureClass fClass)
{
if (fClass == null || !(fClass.Dataset is Dataset))
{
return(false);
}
GMLFile gmlFile = null;
try
{
// use always the same GMLFile...
if (!_gmlFiles.TryGetValue(((Dataset)fClass.Dataset).ConnectionString, out gmlFile))
{
_errMsg = "Can't get gmlfile form dictionary";
return(false);
}
}
catch (Exception ex)
{
_errMsg = ex.Message;
return(false);
}
if (gmlFile == null)
{
return(false);
}
if (!gmlFile.Flush())
{
_errMsg = gmlFile.LastErrorMessage;
return(false);
}
return(true);
}
public bool DeleteFeatureClass(string fcName)
{
string filename = _directoryName + @"\" + fcName + ".gml";
FileInfo fi = new FileInfo(filename);
if (fi.Exists)
{
GMLFile file = new GMLFile(fi.FullName);
return(file.Delete());
}
return(false);
}
async public Task <bool> DeleteFeatureClass(string fcName)
{
string filename = _directoryName + @"/" + fcName + ".gml";
FileInfo fi = new FileInfo(filename);
if (fi.Exists)
{
GMLFile file = await GMLFile.Create(fi.FullName);
return(file.Delete());
}
return(false);
}
public bool Insert(gView.Framework.Data.IFeatureClass fClass, List <gView.Framework.Data.IFeature> features)
{
if (fClass == null || !(fClass.Dataset is Dataset) || features == null)
{
return(false);
}
GMLFile gmlFile = null;
try
{
// use always the same GMLFile...
if (_gmlFiles.TryGetValue(((Dataset)fClass.Dataset).ConnectionString, out gmlFile))
{
}
else
{
gmlFile = ((Dataset)fClass.Dataset).GMLFile;
_gmlFiles.Add(((Dataset)fClass.Dataset).ConnectionString, gmlFile);
}
}
catch
{
return(false);
}
if (gmlFile == null)
{
return(false);
}
foreach (IFeature feature in features)
{
if (feature == null)
{
continue;
}
if (!gmlFile.AppendFeature(fClass, feature))
{
return(false);
}
}
return(true);
}
async internal Task <GMLFile> GetGMLFile()
{
try
{
if (_state != DatasetState.opened)
{
return(null);
}
FileInfo fi = new FileInfo(_connectionString);
if (fi.Exists)
{
return(await GMLFile.Create(_connectionString));
}
return(null);
}
catch
{
return(null);
}
}
public int CreateFeatureClass(string dsname, string fcname, gView.Framework.Geometry.IGeometryDef geomDef, IFields fields)
{
if (geomDef == null || fields == null)
{
return(-1);
}
string filename = _directoryName + @"\" + fcname + ".gml";
Fields f = new Fields();
foreach (IField field in fields)
{
f.Add(field);
}
if (!GMLFile.Create(filename, geomDef, f, _gmlVersion))
{
return(-1);
}
return(0);
}
