/// <summary>
/// Creates a new FDO connection
/// </summary>
/// <returns></returns>
protected static IConnection CreateConnection(string provider, string connStr)
{
IConnection conn = FeatureAccessManager.GetConnectionManager().CreateConnection(provider);
conn.ConnectionString = connStr;
return(conn);
}
internal void Export(string fileName)
{
if (File.Exists(fileName))
{
File.Delete(fileName);
}
/*
* IProviderRegistry pr = FeatureAccessManager.GetProviderRegistry();
* ProviderCollection pc = pr.GetProviders();
* MessageBox.Show("Number of providers=" + pc.Count);
*/
try
{
IConnectionManager cm = FeatureAccessManager.GetConnectionManager();
m_Connection = cm.CreateConnection("SDFProvider.dll");
//m_Connection = cm.CreateConnection("OSGeo.SDF.3.6");
//m_Connection = cm.CreateConnection("OSGeo.SQLite.3.6");
RunExport(fileName);
MessageBox.Show(String.Format("nok={0} nFail={1}", m_NumOk, m_NumFail));
}
finally
{
if (m_Connection != null)
{
m_Connection.Dispose();
m_Connection = null;
}
}
}
private IConnection CreateSqliteConnection()
{
var conn = FeatureAccessManager.GetConnectionManager().CreateConnection("OSGeo.SQLite");
conn.ConnectionString = _ConnectionString;
return(conn);
}
public override int Execute()
{
IConnection conn = null;
try
{
conn = FeatureAccessManager.GetConnectionManager().CreateConnection(_provider);
}
catch (OSGeo.FDO.Common.Exception ex)
{
WriteException(ex);
return((int)CommandStatus.E_FAIL_CREATE_CONNECTION);
}
if (Array.IndexOf <int>(conn.CommandCapabilities.Commands, (int)OSGeo.FDO.Commands.CommandType.CommandType_DestroyDataStore) < 0)
{
Console.Error.WriteLine("This provider does not support destroying data stores");
return((int)CommandStatus.E_FAIL_UNSUPPORTED_CAPABILITY);
}
using (IDestroyDataStore destroy = conn.CreateCommand(OSGeo.FDO.Commands.CommandType.CommandType_DestroyDataStore) as IDestroyDataStore)
{
IDataStorePropertyDictionary dict = destroy.DataStoreProperties;
Console.WriteLine("Data Store Properties:");
WriteProperties(dict);
}
if (conn.ConnectionState != ConnectionState.ConnectionState_Closed)
{
conn.Close();
}
return((int)CommandStatus.E_OK);
}
public static DataTable GetDataFromFile(string filename)
{
Guard.ArgumentNotNull(filename, "filename");
// Create an FDO connection to the SHP provider
var mgr = FeatureAccessManager.GetConnectionManager();
using (var connection = mgr.CreateConnection("OSGeo.SHP"))
{
// Set connection properties
var props = connection.ConnectionInfo.ConnectionProperties;
props.SetProperty("DefaultFileLocation", filename);
// Open the connection
connection.Open();
// Check the connection state
if (connection.ConnectionState == ConnectionState.ConnectionState_Open)
{
Console.WriteLine("Connection was opened successfully.");
}
else
{
Console.WriteLine("Connection failed to open.");
}
// Create the Select command
using (ISelect select = (ISelect)connection.CreateCommand(CommandType.CommandType_Select))
{
//TODO: fix
//Invalid Feature schema element name 'ef02f72c-67e8-4967-89d5-610b57aa5bcf.6.48F1FC14219145F1663E0030FCAA50D5'; must not contain '.'.
// Set the feature class name
select.SetFeatureClassName(System.IO.Path.GetFileNameWithoutExtension(filename));
// Execute the Select command
using (IFeatureReader reader = select.Execute())
{
DataTable table = new DataTable();
PrepareGrid(table, reader);
// Read the features
try
{
while (reader.ReadNext())
{
ProcessSQLReader(table, reader);
}
return(table);
}
catch (OSGeo.FDO.Common.Exception ex)
{
throw ex;
}
}
}
}
}
public override int Execute()
{
FeatureAccessManager.GetProviderRegistry().RegisterProvider(
_name,
_displayName,
_description,
_version,
_fdoVersion,
_libraryPath,
_isManaged);
WriteLine("New provider registered: {0}", _name);
return((int)CommandStatus.E_OK);
}
/// <summary>
/// Creates a FDO data source. The provider must be a flat-file provider
/// </summary>
/// <param name="provider">The provider.</param>
/// <param name="path">The path.</param>
/// <param name="deleteIfExists">if set to <c>true</c> deletes the specified file if it exists.</param>
/// <returns></returns>
public static bool CreateFlatFileDataSource(string provider, string path, bool deleteIfExists)
{
bool result = false;
bool sdf = provider.StartsWith("OSGeo.SDF");
bool sqlite = provider.StartsWith("OSGeo.SQLite");
IConnection conn = FeatureAccessManager.GetConnectionManager().CreateConnection(provider);
if (conn.ConnectionInfo.ProviderDatastoreType != ProviderDatastoreType.ProviderDatastoreType_File)
{
return(false); //ERR_NOT_FLAT_FILE
}
string pName = GetFileParameter(provider);
if (string.IsNullOrEmpty(pName))
{
return(false); //ERR_FILE_PARAMETER_UNKNOWN
}
if (deleteIfExists && File.Exists(path))
{
File.Delete(path);
}
using (conn)
{
using (ICreateDataStore cmd = conn.CreateCommand(OSGeo.FDO.Commands.CommandType.CommandType_CreateDataStore) as ICreateDataStore)
{
try
{
var dsprops = cmd.DataStoreProperties;
dsprops.SetProperty(pName, path);
//Ensures that FDO logical schemas being applied to SQLite are mostly intact.
//See FDO trac ticket #739 for details.
if (sqlite)
{
dsprops.SetProperty("UseFdoMetadata", "TRUE");
}
cmd.Execute();
result = true;
}
catch (OSGeo.FDO.Common.Exception)
{
result = false;
}
}
}
return(result);
}
public override int Execute()
{
CommandStatus retCode;
IConnection conn = null;
try
{
conn = FeatureAccessManager.GetConnectionManager().CreateConnection(_provider);
}
catch (OSGeo.FDO.Common.Exception ex)
{
WriteException(ex);
return((int)CommandStatus.E_FAIL_CREATE_CONNECTION);
}
IConnectionPropertyDictionary dict = conn.ConnectionInfo.ConnectionProperties;
Console.WriteLine("Connection properties for: {0}", _provider);
foreach (string name in dict.PropertyNames)
{
Console.WriteLine("\nProperty Name: {0}\n\n\tLocalized Name: {1}", name, dict.GetLocalizedName(name));
Console.WriteLine("\tRequired: {0}\n\tProtected: {1}\n\tEnumerable: {2}",
dict.IsPropertyRequired(name),
dict.IsPropertyProtected(name),
dict.IsPropertyEnumerable(name));
if (dict.IsPropertyEnumerable(name))
{
Console.WriteLine("\tValues for property:");
try
{
string[] values = dict.EnumeratePropertyValues(name);
foreach (string str in values)
{
Console.WriteLine("\t\t- {0}", str);
}
}
catch (OSGeo.FDO.Common.Exception)
{
Console.Error.WriteLine("\t\tProperty values not available");
}
}
}
retCode = CommandStatus.E_OK;
return((int)retCode);
}
public static IConnection OpenShapefileConnection(string providerName, string shpDirectory)
{
providerName.RequireArgument <string>("providerName").NotNullOrEmpty();
shpDirectory.RequireArgument <string>("shpDirectory").NotNullOrEmpty();
if (!Directory.Exists(shpDirectory))
{
throw new ArgumentException(string.Format("The directory {0} is either invalid or could not be found.", shpDirectory));
}
IConnectionManager connectionManager = FeatureAccessManager.GetConnectionManager();
IConnection conn = connectionManager.CreateConnection(providerName);
conn.ConnectionString = @"DefaultFileLocation=" + shpDirectory;
ConnectionState state = conn.Open();
return(conn);
}
public override int Execute()
{
ProviderCollection providers = FeatureAccessManager.GetProviderRegistry().GetProviders();
using (providers)
{
foreach (Provider provider in providers)
{
Console.WriteLine("\nProvider Name: {0}\n", provider.Name);
Console.WriteLine("\tDisplay Name: {0}\n\tDescription: {1}\n\tLibrary Path: {2}\n\tVersion: {3}\n\tFDO Version: {4}\n\tIs Managed: {5}",
provider.DisplayName,
provider.Description,
provider.LibraryPath,
provider.Version,
provider.FeatureDataObjectsVersion,
provider.IsManaged);
}
}
return((int)CommandStatus.E_OK);
}
public void ProviderChanged()
{
FdoProviderInfo prov = _view.SelectedProvider;
if (prov != null)
{
_view.ResetGrid();
_pendingProperties.Clear();
IList <DictionaryProperty> props = FdoFeatureService.GetConnectProperties(prov.Name);
if (props != null)
{
foreach (DictionaryProperty p in props)
{
if (p.Enumerable)
{
EnumerableDictionaryProperty ep = p as EnumerableDictionaryProperty;
if (!ep.RequiresConnection)
{
_view.AddEnumerableProperty(ep.Name, ep.DefaultValue, ep.Values);
}
else
{
_pendingProperties.Add(ep);
}
}
else
{
_view.AddProperty(p);
}
}
}
using (var conn = FeatureAccessManager.GetConnectionManager().CreateConnection(prov.Name))
{
_view.ConfigEnabled = conn.ConnectionCapabilities.SupportsConfiguration();
}
}
}
public static IConnection SDFConnection(string SDFFile)
{
try
{
Debug.Write("\nSDF File to connect: >> " + SDFFile + "\n");
//first get an instance of the connection manager
IConnectionManager connman = FeatureAccessManager.GetConnectionManager();
con = connman.CreateConnection("OSGeo.SDF");
//check connection state
//get connection dictionary
IConnectionPropertyDictionary props = con.ConnectionInfo.ConnectionProperties;
props.SetProperty("File", SDFFile);
props.SetProperty("ReadOnly", "FALSE");
if (con.ConnectionState == OSGeo.FDO.Connections.ConnectionState.ConnectionState_Open)
{
con.Close();
}
}
catch (OSGeo.FDO.Common.Exception ge)
{
bool ok = ge.Message.Contains("read-only");
Debug.Write(ge.ToString());
}
catch (SystemException ex)
{
bool ok = ex.Message.Contains("read-only");
Debug.Write(ex.ToString());
}
return(con);
}
public override IEnumerable <FdoRow> Execute(IEnumerable <FdoRow> rows)
{
if (counter < 1) //Shouldn't be reentrant, but just play it safe.
{
Info("Creating a connection to: " + _provider);
using (var conn = FeatureAccessManager.GetConnectionManager().CreateConnection(_provider))
{
if (!string.IsNullOrEmpty(_pendingConnStr))
{
conn.ConnectionString = _pendingConnStr;
conn.Open();
}
using (var create = (ICreateDataStore)conn.CreateCommand(OSGeo.FDO.Commands.CommandType.CommandType_CreateDataStore))
{
var props = create.DataStoreProperties;
foreach (string key in _properties.Keys)
{
string name = key;
string value = _properties[key];
Info("Setting property: " + name + " = " + value);
props.SetProperty(name, value);
}
create.Execute();
Info("Data Store created");
}
if (conn.ConnectionState != OSGeo.FDO.Connections.ConnectionState.ConnectionState_Closed)
{
conn.Close();
}
}
counter++;
}
return(rows);
}
/// <summary>
/// Initializes a new instance of the <see cref="FdoConnection"/> class.
/// </summary>
/// <param name="provider">The provider name.</param>
public FdoConnection(string provider)
{
this.HasConfiguration = false;
this.InternalConnection = FeatureAccessManager.GetConnectionManager().CreateConnection(provider);
}
public override int Execute()
{
FeatureAccessManager.GetProviderRegistry().UnregisterProvider(_name);
WriteLine("Provider un-registered: {0}", _name);
return((int)CommandStatus.E_OK);
}
private IConnection CreateConnection()
{
IConnection conn = FeatureAccessManager.GetConnectionManager().CreateConnection(_provider);
return(conn);
}
public static string addSchemtoSDF(string SDFFile, string schemaName, string schemaDesc)
{
try
{
FeatureSchema schema1 = new FeatureSchema(schemaName, schemaDesc);
IConnectionManager conmanager = FeatureAccessManager.GetConnectionManager();
//sdf fdo connection
using (IConnection connect = SDFConnection(SDFFile))
{
//get connection dict
IConnectionPropertyDictionary conprop = connect.ConnectionInfo.ConnectionProperties;
connect.Open();
//check connection state
OSGeo.FDO.Connections.ConnectionState connstate = connect.ConnectionState;
if (connstate != OSGeo.FDO.Connections.ConnectionState.ConnectionState_Open)
{
result = "\nCannot read SDF File \n" + SDFFile;
}
else
{
//add spatial context to the schema
SDF.SDFSchemaManager.spatial_context(connect);
result = "Read SDF File \n" + SDFFile;
//create command to alter schema
IApplySchema applyschema = (IApplySchema)connect.CreateCommand(CommandType.CommandType_ApplySchema) as IApplySchema;
//FeatureClassCollection fcoll;
ClassCollection fcoll = schema1.Classes;
//create all feature class
FeatureClass class_points = new FeatureClass("Points", "Point information");
FeatureClass class_alignment = new FeatureClass("Alignments", "Alignment information");
FeatureClass class_parcels = new FeatureClass("Parcels", "Parcels information");
FeatureClass class_pipes = new FeatureClass("Pipes", "Pipes information");
FeatureClass class_structures = new FeatureClass("Structures", "Structures information");
//add properties here
Schema_manager.add_property(class_points, connect);
Schema_manager.add_property(class_alignment, connect);
Schema_manager.add_property(class_parcels, connect);
Schema_manager.add_property(class_pipes, connect);
Schema_manager.add_property(class_structures, connect);
schema1.Classes.Add(class_points);
schema1.Classes.Add(class_alignment);
schema1.Classes.Add(class_parcels);
schema1.Classes.Add(class_pipes);
schema1.Classes.Add(class_structures);
//create property definition for each feature class
applyschema.FeatureSchema = schema1;
applyschema.Execute();
result = "Successfully Created SDF file with blank Schema \n" + SDFFile;
}
connect.Close();
}
}
catch (SystemException ex)
{
}
return(result);
}