/// <summary>
/// Opens the datasource
/// </summary>
public void Open()
{
// TODO:
// Get a Connector. The connector returned is guaranteed to be connected and ready to go.
// Pooling.Connector connector = Pooling.ConnectorPool.ConnectorPoolManager.RequestConnector(this,true);
if (!_IsOpen)
{
fsShapeIndex = new FileStream(_Filename.Remove(_Filename.Length - 4, 4) + ".shx", FileMode.Open, FileAccess.Read);
brShapeIndex = new BinaryReader(fsShapeIndex, System.Text.Encoding.Unicode);
fsShapeFile = new FileStream(_Filename, FileMode.Open, FileAccess.Read);
brShapeFile = new BinaryReader(fsShapeFile);
InitializeShape(_Filename, _FileBasedIndex);
if (dbaseFile != null)
{
dbaseFile.Open();
}
_IsOpen = true;
}
}
/// <summary>
/// Opens the datasource
/// </summary>
public virtual void Open(string path)
{
// Get a Connector. The connector returned is guaranteed to be connected and ready to go.
// Pooling.Connector connector = Pooling.ConnectorPool.ConnectorPoolManager.RequestConnector(this,true);
logNoShapeFile = true;
if (!_IsOpen || this.path != path)
{
if (!File.Exists(path))
{
if (logNoShapeFile)
{
log.Error("Could not find " + path);
logNoShapeFile = false;
}
return;
}
try
{
unsafe
{
this.path = path;
//tree = null;
//Initialize DBF
string dbffile = GetDbaseFilePath();
if (File.Exists(dbffile))
{
dbaseFile = new DbaseReader(dbffile);
}
//Parse shape header
ParseHeader();
//Read projection file
ParseProjection();
fsShapeIndex = new FileStream(GetIndexFilePath(), FileMode.Open, FileAccess.Read);
brShapeIndex = new BinaryReader(fsShapeIndex, Encoding.Unicode);
fsShapeFile = new FileStream(this.path, FileMode.Open, FileAccess.Read);
brShapeFile = new BinaryReader(fsShapeFile);
shpFileMemoryMap = NativeMethods.MapFile(fsShapeFile);
shpFileMemoryMapView = NativeMethods.MapViewOfFile(shpFileMemoryMap,
NativeMethods.FileMapAccess.FILE_MAP_READ, 0,
0, 0);
zeroPtr = (byte *)shpFileMemoryMapView.ToPointer();
InitializeShape(this.path, _FileBasedIndex);
if (dbaseFile != null)
{
dbaseFile.Open();
}
_IsOpen = true;
}
}
catch (IOException e)
{
log.Error(e.Message);
_IsOpen = false;
}
}
}