#pragma warning restore 649
public virtual Object Deserialize(Type type, Qi4CSConfigurationResource resource)
{
var xmlResource = (XMLConfigurationResource)resource;
Stream fs; XDocument doc;
if (this._streamCallback.TryGetStreamFor(xmlResource.DocumentResource, SerializationAction.DESERIALIZING, out fs))
{
using ( fs )
{
doc = XDocument.Load(fs);
}
}
else
{
throw new NotSupportedException("Can not get stream for " + xmlResource.DocumentResource + ".");
}
XElement element;
var xpath = xmlResource.XPath;
if (String.IsNullOrEmpty(xpath))
{
element = doc.Root;
}
else
{
// Get the actual element to deserialize from
element = doc.XPathSelectElement(xpath);
CheckForXPathElement(xpath, element);
}
Boolean dummy;
return(this.Deserialize(type, element, null, out dummy));
}
public ConfigurationCompositeDefaultInfo SetDefaultLocationInfo(Qi4CSConfigurationResource locationInfo)
{
foreach (var id in this._types)
{
this._info.CompositeInfos.GetOrAdd_NotThreadSafe(id, () => new ConfigurationCompositeInfo()).Resource = locationInfo;
}
return(this);
}
internal ConfigurationEventArgs(ConfigurationInstance <Object> instance, Qi4CSConfigurationResource resource)
{
ArgumentValidator.ValidateNotNull("Configuration instance", instance);
ArgumentValidator.ValidateNotNull("Resource", resource);
this._instance = instance;
this._resource = resource;
}
#pragma warning restore 649
#region ConfigurationInstance Members
public virtual void Reload(Qi4CSConfigurationResource newResource)
{
newResource = newResource ?? this.Resource;
var invokeEvent = this._state.Configuration.Item1.IsValueCreated;
this.SetConfigurationComposite(newResource);
this._reloadRequestedEvent.InvokeAction(this._meAsInstance, new ConfigurationEventArgs(this._meAsInstance, newResource));
}
private void SaveState(Qi4CSConfigurationResource resource)
{
var configInfo = this._state.Configuration;
this._state.Serializer.Serialize(
configInfo.Item1.Value,
resource);
this._afterSaveEvent.InvokeAction(this._meAsInstance, new ConfigurationEventArgs(this._meAsInstance, resource));
}
private void SetConfigurationComposite(Qi4CSConfigurationResource resource)
{
this._state.Configuration = Tuple.Create(new Lazy <TConfiguration>(() =>
{
return((TConfiguration)this._state.Serializer.Deserialize(
typeof(TConfiguration),
resource));
// Don't invoke afterLoad event here as it might cause another request to get configuration -> an exception will be thrown
},
System.Threading.LazyThreadSafetyMode.ExecutionAndPublication), resource);
}
public virtual void Serialize(Object contents, Qi4CSConfigurationResource resource)
{
var xmlResource = (XMLConfigurationResource)resource;
Stream fs;
XDocument existingFullDoc = null;
var xpath = xmlResource.XPath;
if (!String.IsNullOrEmpty(xpath))
{
if (this._streamCallback.TryGetStreamFor(xmlResource.DocumentResource, SerializationAction.DESERIALIZING, out fs))
{
using ( fs )
{
existingFullDoc = XDocument.Load(fs);
}
}
else
{
throw new NotSupportedException("Can not get stream for " + xmlResource.DocumentResource + ".");
}
}
if (this._streamCallback.TryGetStreamFor(xmlResource.DocumentResource, SerializationAction.SERIALIZING, out fs))
{
using ( fs )
{
var existingElement = existingFullDoc == null ? null : existingFullDoc.XPathSelectElement(xpath);
if (existingFullDoc != null)
{
CheckForXPathElement(xpath, existingElement);
}
var type = this._application.GetCompositeInstance(contents).ModelInfo.Model.PublicTypes.First();
var element = this.Serialize(contents, type, existingElement == null ? type.Name : existingElement.Name.LocalName, null);
if (existingElement == null)
{
element.Save(fs);
}
else
{
existingElement.ReplaceWith(element);
existingFullDoc.Save(fs);
}
}
}
else
{
throw new NotSupportedException("Can not get stream for " + xmlResource.DocumentResource + ".");
}
}
/// <summary>
/// Creates a new instance of <see cref="ConfigurationCompositeInfo"/> with given information about resource and serializer type.
/// </summary>
/// <param name="resource">The context-dependent information of resource to load configuration from.</param>
/// <param name="serializer">The type responsible of serializing and deserializing configuration contents. Must implement <see cref="ConfigurationSerializer"/>.</param>
public ConfigurationCompositeInfo(Qi4CSConfigurationResource resource, Type serializer)
{
this.Resource = resource;
this.Serializer = serializer;
}
/// <summary>
/// Helper method to invoke <see cref="ConfigurationManager.Create"/> method for configuration located in specific location and serialized by specific serializer.
/// </summary>
/// <typeparam name="TConfiguration">The type of configuration contents.</typeparam>
/// <param name="manager">The <see cref="ConfigurationManager"/>.</param>
/// <param name="configurationLocation">The location of configuration. May be <c>null</c> for default location.</param>
/// <param name="configurationSerializer">The serializer for configuration. Must implement <see cref="ConfigurationSerializer"/>. May be <c>null</c> for default serializer.</param>
/// <returns>An instance of <see cref="ConfigurationInstance{T}"/>.</returns>
/// <remarks>See <see cref="ConfigurationManager.Create"/> method for more detailed description about exceptions and return values.</remarks>
public static ConfigurationInstance <TConfiguration> Create <TConfiguration>(this ConfigurationManager manager, Qi4CSConfigurationResource configurationLocation, Type configurationSerializer)
where TConfiguration : class
{
var info = new ConfigurationCompositeInfo(configurationLocation, configurationSerializer);
return(manager.Create <TConfiguration>(info));
}
/// <summary>
/// Helper method to invoke <see cref="ConfigurationManager.Create"/> method for configuration located in specific location but serialized by default serializer.
/// </summary>
/// <typeparam name="TConfiguration">The type of configuration contents.</typeparam>
/// <param name="manager">The <see cref="ConfigurationManager"/>.</param>
/// <param name="configurationLocation">The location of configuration. May be <c>null</c> for default location.</param>
/// <returns>An instance of <see cref="ConfigurationInstance{T}"/>.</returns>
/// <remarks>See <see cref="ConfigurationManager.Create"/> method for more detailed description about exceptions and return values.</remarks>
public static ConfigurationInstance <TConfiguration> Create <TConfiguration>(this ConfigurationManager manager, Qi4CSConfigurationResource configurationLocation)
where TConfiguration : class
{
return(manager.Create <TConfiguration>(configurationLocation, null));
}
public virtual void Save(Qi4CSConfigurationResource newResource)
{
newResource = newResource ?? this.Resource;
this.SaveState(newResource);
}
