Winify – Rev 44
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using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Serialization;
using Horizon.Utilities.Serialization;
namespace Winify.Utilities.Serialization
{
public static class Serialization
{
#region Public Methods
public static async Task<SerializationState> Deserialize<T>(string file, string targetNamespace,
string schemeUri,
CancellationToken cancellationToken)
{
var xmlSerializer = new XmlSerializer(typeof(T));
var validationEventArgs = new List<ValidationEventArgs>();
void XmlReaderSettingsValidationEventHandler(object sender, ValidationEventArgs e)
{
validationEventArgs.Add(e);
}
T servers;
var settings = new XmlReaderSettings();
try
{
settings.Async = true;
settings.DtdProcessing = DtdProcessing.Parse;
settings.ValidationType = ValidationType.Schema;
settings.ValidationFlags = XmlSchemaValidationFlags.ProcessInlineSchema |
XmlSchemaValidationFlags.ProcessSchemaLocation |
XmlSchemaValidationFlags.ReportValidationWarnings |
XmlSchemaValidationFlags.ProcessIdentityConstraints;
settings.Schemas = new XmlSchemaSet();
settings.ValidationEventHandler += XmlReaderSettingsValidationEventHandler;
settings.Schemas.Add(targetNamespace, schemeUri);
using (var fileStream =
await Miscellaneous.GetFileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read,
cancellationToken))
{
using (var xmlReader = XmlReader.Create(fileStream,
settings))
{
var stringBuilder = new StringBuilder();
using (var stringWriter = new StringWriter(stringBuilder))
{
while (await xmlReader.ReadAsync())
await stringWriter.WriteAsync(await xmlReader.ReadOuterXmlAsync());
}
using (var stringReader = new StringReader(stringBuilder.ToString()))
{
servers =
(T)xmlSerializer
.Deserialize(stringReader);
}
}
}
}
catch (Exception exception)
{
return new SerializationFailure(exception, validationEventArgs);
}
finally
{
settings.ValidationEventHandler -=
XmlReaderSettingsValidationEventHandler;
}
return new SerializationSuccess<T>(servers, validationEventArgs);
}
public static async Task<SerializationState> Serialize<T>(T servers, string file, string name, string subset,
CancellationToken cancellationToken)
{
var xmlSerializer = new XmlSerializer(typeof(T));
try
{
using (var memoryStream = new MemoryStream())
{
using (var xmlWriter =
XmlWriter.Create(memoryStream,
new XmlWriterSettings
{
Async = true,
Indent = true,
IndentChars = " ",
OmitXmlDeclaration = false
}))
{
await xmlWriter.WriteDocTypeAsync(name,
null,
null,
subset);
xmlSerializer.Serialize(xmlWriter, servers);
using (var fileStream =
await Miscellaneous.GetFileStream(file, FileMode.Create, FileAccess.Write,
FileShare.Write,
cancellationToken))
{
memoryStream.Position = 0L;
await memoryStream.CopyToAsync(fileStream);
}
}
}
}
catch (Exception exception)
{
return new SerializationFailure(exception);
}
return new SerializationSuccess<T>();
}
#endregion
}
}
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