public void MigrateIfRequired(XDocument document, string xmlFile)
{
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
var root = document.Root;
if (document.Root == null)
{
throw new XmlSchemaValidationException("The XML file is invalid.");
}
var version = int.Parse(document.Root.GetAttribute("version", "0"));
if (version == 0)
{
// Verison 0 is the XML before it was verisoned from 1.0b.
// Add the version and namespace declaration so it will match verison 1.
document.Root.Add(new XAttribute("version", 1));
foreach (var element in document.Descendants())
{
element.Name = element.Name.LocalName.GetElementName();
}
version = 1;
document.Save(xmlFile);
}
// Check that the XML is up to date.
if (version < XmlVersion)
{
// Ensure that the file is valid for it's version
xmlValidator.ValidateXml(version, xmlFile);
var migrations = storageMigrations.Where(x => x.MigratesToVersion > version)
.OrderBy(x => x.MigratesToVersion);
foreach (var migration in migrations)
{
migration.Migrate(root);
}
var versionAttribute = root.Attribute("version");
if (versionAttribute != null)
{
versionAttribute.Value = XmlVersion.ToString(CultureInfo.InvariantCulture);
}
SanitizeXml(document.Root);
document.Save(xmlFile);
}
xmlValidator.ValidateXml(XmlVersion, xmlFile);
}
public IConversionResult ConvertFile(string path)
{
XDocument documentToConvert;
try
{
documentToConvert = _reader.ReadDataFromFile(path);
}
catch (Exception exception)
{
return(HandleExceptionFromReadingFile(exception, path));
}
var validationResult = _validator.ValidateXml(documentToConvert);
return(validationResult.Item1 ? PerfromConversionForDataDocument(documentToConvert, path) :
ReportValidationFailure(validationResult));
}