/// <summary>
/// Returns the specified file as a byte array.
/// </summary>
/// <param name="fileName">File to convert.</param>
/// <returns>
/// Array of byte than represent the file.
/// </returns>
public static byte[] AsByteArrayFromFile(string fileName)
{
Logger.Instance.Debug("External Call");
Logger.Instance.Info(" Returns the specified file as a byte array");
Logger.Instance.Info(" > Library: iTin.Core");
Logger.Instance.Info(" > Class: StreamHelper");
Logger.Instance.Info(" > Method: AsByteArrayFromFile(string)");
Logger.Instance.Info(" > Output: System.Byte[]");
SentinelHelper.IsTrue(string.IsNullOrEmpty(fileName));
byte[] buffer;
using (var stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
buffer = stream.AsByteArray();
}
return(buffer);
}
/// <summary>
/// Converts the string representation of a Guid to its Guid
/// equivalent. A return value indicates whether the operation
/// succeeded.
/// </summary>
/// <param name="value">A string containing a Guid to convert.</param>
/// <returns>
/// <strong>true</strong> if ip address is valid; otherwise, <strong>false</strong>.
/// </returns>
public static bool IsValidGuid(string value)
{
Logger.Instance.Debug("");
Logger.Instance.Debug(" Assembly: iTin.Core, Namespace: iTin.Core.Helpers, Class: RegularExpressionHelper");
Logger.Instance.Debug(" Determines whether value parameter is a valid guid.");
Logger.Instance.Debug($" > Signature: ({typeof(bool)}) IsValidGuid({typeof(string)})");
SentinelHelper.ArgumentNull(value, nameof(value));
Logger.Instance.Debug($" > value: {value}");
Regex format = new Regex(GuidPattern);
bool match = format.IsMatch(value);
Logger.Instance.Debug(" > Output:");
Logger.Instance.Debug($" > Pattern to use: {GuidPattern}");
Logger.Instance.Debug($" > Value: {match}");
return(match);
}
public static MemoryStream AsMemoryStreamFromFile(string fileName)
{
Logger.Instance.Debug("External Call");
Logger.Instance.Info(" Convert input file to memory stream");
Logger.Instance.Info(" > Library: iTin.Core");
Logger.Instance.Info(" > Class: StreamHelper");
Logger.Instance.Info(" > Method: AsMemoryStreamFromFile(string)");
Logger.Instance.Info(" > Output: System.IO.MemoryStream");
SentinelHelper.IsTrue(string.IsNullOrEmpty(fileName));
MemoryStream ms;
FileStream fs = null;
MemoryStream mstemp = null;
try
{
fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);
try
{
mstemp = new MemoryStream(fs.AsByteArray());
ms = mstemp;
mstemp = null;
}
finally
{
mstemp?.Dispose();
}
}
finally
{
fs?.Dispose();
}
return(ms);
}
