public static void UpdatePermanentVariable(IVariable variable)
{
Configuration config = Configuration.GetNewInstance();
DataRow[] result = config.PermanentVariables.Select("Name='" + variable.Name + "'");
if (result.Length < 1)
{
config.PermanentVariables.AddPermanentVariableRow(
variable.Name,
variable.Expression ?? "",
(int)variable.DataType,
config.ParentRowPermanentVariables);
}
else if (result.Length == 1)
{
((DataSets.Config.PermanentVariableRow)result[0]).DataValue = variable.Expression ?? "";
((DataSets.Config.PermanentVariableRow)result[0]).DataType = (int)variable.DataType;
}
else
{
throw new ConfigurationException(ConfigurationException.ConfigurationIssue.ContentsInvalid, "Duplicate permanent variable rows encountered.");
}
Configuration.Save(config);
}
private static void DeletePermanentVariable(string variableName)
{
Configuration config = Configuration.GetNewInstance();
DataRow[] result = config.PermanentVariables.Select("Name='" + variableName + "'");
if (result.Length != 1)
{
throw new ConfigurationException(ConfigurationException.ConfigurationIssue.ContentsInvalid);
}
result[0].Delete();
Configuration.Save(config);
}
private static void LoadPermanentVariables()
{
lock (syncLock)
{
MemoryRegion.permanentVariables = new VariableCollection();
Configuration config = Configuration.GetNewInstance();
foreach (Config.PermanentVariableRow row in config.PermanentVariables)
{
DefinePermanentVariable(new PermanentVariable(row));
}
}
}
public static int GetEndpointVersion()
{
int endpointVersion = 0;
try
{
Configuration configuration = Configuration.GetNewInstance();
string webServiceEndpointAddress = configuration.Settings.WebServiceEndpointAddress;
int endIndex = webServiceEndpointAddress.IndexOf(".svc", StringComparison.OrdinalIgnoreCase);
string withoutExtension = webServiceEndpointAddress.Substring(0, endIndex);
int vIndex = withoutExtension.LastIndexOf("V", StringComparison.OrdinalIgnoreCase);
string version = withoutExtension.Substring(vIndex + 1);
endpointVersion = int.Parse(version);
}
catch { }
return(endpointVersion);
}
private static bool EnsureLogFileExists()
{
Configuration config = Configuration.GetNewInstance();
try
{
// If the log file name is not availabe, create it.
if (string.IsNullOrEmpty(logFilePath))
{
string dateStamp = DateTime.Now.ToString();
dateStamp = dateStamp.Replace(StringLiterals.FORWARD_SLASH, StringLiterals.UNDER_SCORE);
dateStamp = dateStamp.Replace(StringLiterals.BACKWARD_SLASH, StringLiterals.UNDER_SCORE);
dateStamp = dateStamp.Replace(StringLiterals.COLON, StringLiterals.UNDER_SCORE);
dateStamp = dateStamp.Replace(StringLiterals.SPACE, StringLiterals.UNDER_SCORE);
string logFileName = "EpiInfo_Log_" + dateStamp + ".txt";
config = Configuration.GetNewInstance();
logFilePath = Path.Combine(config.Directories.LogDir, logFileName);
}
if (Directory.Exists(config.Directories.LogDir) == false)
{
Directory.CreateDirectory(config.Directories.LogDir);
}
// if log file doesn't exist, create the file.
if (!File.Exists(logFilePath))
{
FileStream stream = File.Create(logFilePath);
stream.Close();
}
return(true);
}
catch (Exception)
{
// Ignore any exceptions for now. TODO
return(false);
}
}
/// <summary>
/// Creates a globally unique identifier for a filepath.
/// </summary>
/// <param name="filePath">Pathname of file.</param>
/// <returns>Globally unique identifier.</returns>
public static Guid GetFileGuid(string filePath)
{
Guid guid;
byte[] data = System.Text.ASCIIEncoding.ASCII.GetBytes(filePath.ToLowerInvariant());
byte[] pathHash;
Configuration config = Configuration.GetNewInstance();
if (config.TextEncryptionModule != null && !string.IsNullOrEmpty(config.TextEncryptionModule.FileName))
{
SHA256 shaM = new SHA256Managed();
pathHash = shaM.ComputeHash(data).Take(16).ToArray();
}
else
{
MD5 md5 = new MD5CryptoServiceProvider();
pathHash = md5.ComputeHash(data);
}
guid = new Guid(pathHash);
return(guid);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="row">Permanent variable <see cref="System.Data.DataRow"/>.</param>
public PermanentVariable(Config.PermanentVariableRow row)
: base(row.Name, (DataType)row.DataType, VariableType.Permanent)
{
config = Configuration.GetNewInstance();
this.Expression = row.DataValue;
}
//public string Name { get; set; }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="name">Variable name.</param>
/// <param name="dataType">Variable data type enumeration.</param>
public PermanentVariable(string name, DataType dataType)
: base(name, dataType, VariableType.Permanent)
{
config = Configuration.GetNewInstance();
}
public Template()
{
templatesPath = Configuration.GetNewInstance().Directories.Templates;
}