/// <summary>
/// Writes xml-document with sequence of url-addresses to file
/// </summary>
/// <param name="urlAddressesStrings">Sequence of url-addresses to be added to xml-document</param>
/// <param name="writePath">Path of file to save xml-document</param>
public static void WriteXDocumentWithUrlAddresses(IEnumerable <string> urlAddressesStrings, string writePath)
{
logger = LogManager.GetCurrentClassLogger();
if (urlAddressesStrings.Count() == 0)
{
logger.Info("No url-addresses to create xml-document.");
return;
}
List <URLAddress> urlAddresses = new List <URLAddress>();
foreach (var url in urlAddressesStrings)
{
try
{
URLAddress urlAddress = url.ToURLAddress();
urlAddresses.Add(urlAddress);
}
catch
{
logger.Error("String: " + url + " doesn't match url-address pattern");
}
}
if (urlAddresses.Count == 0)
{
logger.Info("No matches of url-address pattern found in strings sequence.");
return;
}
XDocument document = URLAddresstoXML.GetXmlUrlAddresses(urlAddresses);
if (writePath == null)
{
logger.Error("Specified file path is null.");
throw new ArgumentNullException();
}
document.Save(writePath);
}
/// <summary>
///
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public static XDocument ReadURLAddressesFromFile(string path)
{
logger = LogManager.GetCurrentClassLogger();
if (path == null)
{
logger.Error("Specified file path is null.");
throw new ArgumentNullException();
}
IEnumerable <string> lines = File.ReadLines(path);
if (lines.Count() == 0)
{
logger.Info("File is empty.");
return(null);
}
List <URLAddress> urlAddresses = new List <URLAddress>();
foreach (var line in lines)
{
try
{
URLAddress urlAddress = line.ToURLAddress();
urlAddresses.Add(urlAddress);
}
catch
{
logger.Error("Line: " + line + " doesn't match url-address pattern");
}
}
if (urlAddresses.Count == 0)
{
logger.Info("No matches of url-address pattern found in the file.");
return(null);
}
return(URLAddresstoXML.GetXmlUrlAddresses(urlAddresses));
}