/// <summary>
/// Tries to load all routing tables from a directory.
/// You could have several XML serialized routing tables. This way allows to share it via plugins.
/// </summary>
/// <param name="directory">A root folder.</param>
/// <param name="searchOption">Definds does tne search will applied to child folders.</param>
/// <returns>A found table. Null if not found.</returns>
public static RoutingTable LoadRoutingTables(string directory, SearchOption searchOption)
{
// Create new empty table.
RoutingTable table = new RoutingTable();
// Check directory exist.
if (!Directory.Exists(directory))
{
// Create if not found.
Directory.CreateDirectory(directory);
}
// Detect all xml files in directory.
string[] xmlFiles = Directory.GetFiles(directory, "*.xml", searchOption);
// Init encoder.
XmlSerializer xmlSer = new XmlSerializer(typeof(RoutingTable), Instruction.DerivedTypes);
// Deserialize every file to table if possible.
foreach (string fileDir in xmlFiles)
{
// Open stream to XML file.
using (FileStream fs = new FileStream(fileDir, FileMode.Open))
{
RoutingTable tableBufer = null;
try
{
// Try to deserialize routing table from file.
tableBufer = xmlSer.Deserialize(fs) as RoutingTable;
// Buferize directory to backward access.
tableBufer.SourcePath = fileDir;
// Add to common table.
table += tableBufer;
}
catch (Exception ex)
{
Console.WriteLine("ROUTING TABLE ERROR: File reading failed. Reason:\n{0}\n", ex.Message);
}
}
}
return(table);
}
/// <summary>
/// Saves a routing table by directory.
/// </summary>
/// <param name="table">A source with instructions.</param>
/// <param name="directory">A target directory.</param>
/// <param name="name">A name of the file.</param>
public static void SaveRoutingTable(RoutingTable table, string directory, string name)
{
#region Validate directory
// Avoid null reference exception.
if (directory == null)
{
directory = "";
}
// Check directory exist.
if (directory != "" &&
!Directory.Exists(directory))
{
// Create if not found.
Directory.CreateDirectory(directory);
}
#endregion
#region Write table to XML file.
try
{
XmlDocument xmlDocument = new XmlDocument();
XmlSerializer serializer = new XmlSerializer(typeof(RoutingTable), Instruction.DerivedTypes);
using (MemoryStream stream = new MemoryStream())
{
serializer.Serialize(stream, table);
stream.Position = 0;
xmlDocument.Load(stream);
xmlDocument.Save(directory + "/" + name + ".xml");
}
}
catch (Exception ex)
{
Console.WriteLine("ROUTING TABLE ERROR: Not serialized. Reason:\n{0}", ex.Message);
}
#endregion
}
/// <summary>
/// Saves a routing table by the default directory
/// %app/resources/routing
/// </summary>
/// <param name="table">A source with instructions.</param>
/// <param name="name">A name of the file.</param>
public static void SaveRoutingTable(RoutingTable table, string name)
{
SaveRoutingTable(table, "resources/routing", name);
}
/// <summary>
/// Saves a routing table by the default directory
/// %app/resources/routing/ROUTING.xml
/// </summary>
/// <param name="table">A source with instructions.</param>
public static void SaveRoutingTable(RoutingTable table)
{
SaveRoutingTable(table, "resources/routing", "ROUTING");
}
