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using System.IO;
using System.Runtime.Serialization;
using System.Xml.Serialization;
using Ninject;
namespace V3.Data.Internal
{
/// <summary>
/// Default implementation of IOptionsManager.
/// </summary>
// ReSharper disable once ClassNeverInstantiated.Global
internal sealed class OptionsManager : IOptionsManager, IInitializable
{
/// <summary>
/// The current options.
/// </summary>
public Options Options { get; private set; }
private readonly IPathManager mPathManager;
private readonly XmlSerializer mSerializer = new XmlSerializer(typeof(Options));
/// <summary>
/// Creates a new OptionsManager.
/// </summary>
public OptionsManager(IPathManager pathManager)
{
mPathManager = pathManager;
}
public void Initialize()
{
Options = LoadOptions();
}
/// <summary>
/// Saves the current options to the hard disk.
/// </summary>
public void SaveOptions()
{
var stream = new FileStream(mPathManager.OptionsFile, FileMode.Create, FileAccess.Write);
mSerializer.Serialize(stream, Options);
stream.Close();
}
private Options LoadOptions()
{
if (!File.Exists(mPathManager.OptionsFile))
return new Options();
var stream = new FileStream(mPathManager.OptionsFile, FileMode.Open, FileAccess.Read);
try
{
return (Options)mSerializer.Deserialize(stream);
}
catch (SerializationException)
{
// ignore so far
}
finally
{
stream.Close();
}
return new Options();
}
}
}
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