/// <summary>
/// Copies the resource data to the specified resource. Both resources are assumed to originate from the same given connection
/// </summary>
/// <remarks>
/// Avoid using this method if you are copying a IFeatureSource with MG_USER_CREDENTIALS resource data, as MapGuide will automatically return
/// the decrypted username for MG_USER_CREDENTIALS, rendering the resource data invalid for the target resource. Instead use the
/// <see cref="M:OSGeo.MapGuide.MaestroAPI.Services.IResourceService.CopyResource"/> method, which will copy the resource and its resource
/// data and keep any MG_USER_CREDENTIALS items intact
/// </remarks>
/// <param name="source">The source.</param>
/// <param name="conn">The server connection</param>
/// <param name="targetID">The target ID.</param>
public static void CopyResourceDataTo(this IResource source, IServerConnection conn, string targetID)
{
Check.ArgumentNotNull(source, nameof(source));
Check.ArgumentNotEmpty(targetID, nameof(targetID));
var resData = conn.ResourceService.EnumerateResourceData(source.ResourceID);
foreach (var res in resData.ResourceData)
{
var data = conn.ResourceService.GetResourceData(source.ResourceID, res.Name);
bool bDispose = false;
if (!data.CanSeek)
{
var ms = MemoryStreamPool.GetStream();
Utility.CopyStream(data, ms);
data = ms;
bDispose = true;
}
conn.ResourceService.SetResourceData(targetID, res.Name, res.Type, data);
if (bDispose)
{
data.Dispose();
}
}
}
/// <summary>
/// Deserializes the specified stream for the specified resource type.
/// </summary>
/// <param name="resourceType">Type of the resource.</param>
/// <param name="stream">The stream.</param>
/// <returns>The deserialized resource</returns>
public static IResource Deserialize(string resourceType, Stream stream)
{
//UGLY: We have to peek inside the stream to determine the version number
//House the stream inside a rewindable memory stream
using (var ms = MemoryStreamPool.GetStream("ResourceTypeRegistry.Deserialize"))
{
Utils.CopyStream(stream, ms);
ms.Position = 0L; //Rewind
var rd = ResourceContentVersionChecker.GetVersionFromXmlStream(ms);
Debug.Assert(rd.ResourceType.Equals(resourceType.ToString()));
ms.Position = 0L; //Rewind
using (var reader = new StreamReader(ms))
{
var xml = reader.ReadToEnd();
if (_serializers.ContainsKey(rd))
{
return(_serializers[rd].Deserialize(xml));
}
else
{
return(new UntypedResource(xml, resourceType, rd.Version));
}
}
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="stream">The resource content stream. Inspection is done on a copy of this stream</param>
public ResourceContentVersionChecker(Stream stream)
{
var ms = MemoryStreamPool.GetStream("ResourceContentVersionChecker.ctor");
Utils.CopyStream(stream, ms);
ms.Position = 0L; //Rewind
_stream = ms;
}
/// <summary>
/// Serializes the given object as a UTF-8 encoded XML string. Any BOM is stripped from the XML string
/// </summary>
/// <param name="serializer"></param>
/// <param name="o"></param>
/// <returns></returns>
internal static string NormalizedSerialize(XmlSerializer serializer, object o)
{
using (var ms = MemoryStreamPool.GetStream())
{
using (var xw = new Utf8XmlWriter(ms))
{
serializer.Serialize(xw, o);
using (var ms2 = RemoveUTF8BOM(ms))
{
using (var sr = new StreamReader(ms2))
{
return(sr.ReadToEnd());
}
}
}
}
}
/// <summary>
/// Alternate constructor
/// </summary>
/// <param name="xmlContent"></param>
public ResourceContentVersionChecker(string xmlContent)
{
var ms = MemoryStreamPool.GetStream("ResourceContentVersionChecker.ctor", Encoding.UTF8.GetBytes(xmlContent));
_stream = ms;
}
/// <summary>
/// Serializes to stream.
/// </summary>
/// <param name="res">The resource</param>
/// <returns>The serialized stream</returns>
public static Stream SerializeToStream(this IResource res)
{
string str = res.Serialize();
return(MemoryStreamPool.GetStream("ResourceExtensions.SerializeToStream", Encoding.UTF8.GetBytes(str)));
}
