/// <summary>
/// Retrieves the worker writer for the specified type.
/// </summary>
/// <param name="type">The type.</param>
/// <returns>The worker writer.</returns>
/// <remarks>This should be called from the ContentTypeWriter.Initialize method.</remarks>
public ContentTypeWriter GetTypeWriter(Type type, Dictionary <string, object> writerData)
{
if (typeWriterMap.Count == 0)
{
ProcessAssemblies();
}
ContentTypeWriter result = null;
var contentTypeWriterType = typeof(ContentTypeWriter <>).MakeGenericType(type);
Type typeWriterType;
if (!typeWriterMap.TryGetValue(contentTypeWriterType, out typeWriterType))
{
var inputTypeDef = type.GetGenericTypeDefinition();
Type chosen = null;
foreach (var kvp in typeWriterMap)
{
var args = kvp.Key.GetGenericArguments();
if (args.Length == 0)
{
continue;
}
if (!args[0].IsGenericType)
{
continue;
}
// Compare generic type definition
var keyTypeDef = args[0].GetGenericTypeDefinition();
if (inputTypeDef.Equals(keyTypeDef))
{
chosen = kvp.Value;
break;
}
}
try
{
var concreteType = type.GetGenericArguments();
result = (ContentTypeWriter)Activator.CreateInstance(chosen.MakeGenericType(concreteType));
// save it for next time.
typeWriterMap.Add(contentTypeWriterType, result.GetType());
}
catch (Exception)
{
throw new ArgumentException(String.Format("Could not find ContentTypeWriter for type '{0}'", type.Name));
}
}
else
{
result = (ContentTypeWriter)Activator.CreateInstance(typeWriterType);
}
if (result != null)
{
foreach (var param in writerData)
{
var propInfo = typeWriterType.GetProperty(param.Key, BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance);
if (propInfo == null || propInfo.GetSetMethod(false) == null)
{
continue;
}
if (propInfo.PropertyType.IsInstanceOfType(param.Value))
{
propInfo.SetValue(result, param.Value, null);
}
else
{
// find a type converter for this property
var typeConverter = TypeDescriptor.GetConverter(propInfo.PropertyType);
if (typeConverter.CanConvertFrom(param.Value.GetType()))
{
var propValue = typeConverter.ConvertFrom(null, CultureInfo.InvariantCulture, param.Value);
propInfo.SetValue(result, propValue, null);
}
}
}
MethodInfo dynMethod = result.GetType().GetMethod("Initialize", BindingFlags.Public | BindingFlags.Instance);
dynMethod.Invoke(result, new object[] { _typeWriterManager });
}
return(result);
}
public void WriteRawObject <T>(T value, ContentTypeWriter writer)
{
writer.Write(this, value);
}
public ExternalReferenceContent <T> BuildContent <T>(string filename,
out object content,
string importerName = null,
Dictionary <string, object> importerData = null,
string processorName = null,
Dictionary <string, object> processorData = null,
string writerName = null,
Dictionary <string, object> writerData = null,
bool ignoreBuildItem = false)
{
if (IsBuiltin(filename))
{
content = null;
string outputname = _buildOptions.GetOutputFilename(typeof(T), filename);
return(new ExternalReferenceContent <T>(filename));
}
if (!Path.IsPathRooted(filename))
{
filename = _processorContext.GetFilenamePath(filename);
}
if (!ignoreBuildItem && _buildSource.HasBuildItem(filename))
{
// if there is a build item for this item leave it up to the build source to generate the actual build, and just return a ExternalReferenceContent item.
content = null;
string outputname = _buildOptions.GetOutputFilename(typeof(T), filename);
outputname = _contentSaver.GetPath(outputname, typeof(T));
return(new ExternalReferenceContent <T>(outputname));
}
// first find out the output type of the processor
IContentImporter importer;
if ((importer = CreateImporter(importerName ?? FindImporterByExtension(Path.GetExtension(filename)), importerData ?? new Dictionary <string, object>())) == null)
{
throw new ContentLoadException(importerName != null ?
string.Format("Importer {0} not found.", importerName) :
string.Format("Importer not found that handles extension {0}", Path.GetExtension(filename)));
}
IContentProcessor processor;
if ((processor = CreateProcessor(processorName ?? FindDefaultProcessor(importer.GetType()), processorData ?? new Dictionary <string, object>())) == null)
{
throw new ContentLoadException(processorName != null ?
string.Format("Processor {0} not found.", processorName) :
string.Format("Processor not found that handles type {0}", importer.GetType().Name));
}
_processorContext.PushDirectory(Path.GetDirectoryName(filename));
using (FileStream stream = File.OpenRead(filename))
{
content = importer.Import(stream, this);
}
content = processor.Process(content, _processorContext);
_processorContext.PopDirectory();
object outName;
if (!(content is ContentItem) || !((ContentItem)content).OpaqueData.TryGetValue("OutputFileName", out outName))
{
outName = filename;
}
string outputFilename = _buildOptions.GetOutputFilename(content.GetType(), (string)outName);
if (!_buildOptions.ForceRebuild && _contentSaver.GetLastModified(outputFilename, content.GetType()) > File.GetLastWriteTime(filename))
{
return(new ExternalReferenceContent <T>(_contentSaver.GetPath(outputFilename, processor.OutputType)));
}
ContentTypeWriter typeWriter = GetTypeWriter(writerName, content.GetType(), writerData);
if (typeWriter == null && (typeWriter = GetTypeWriter(content.GetType(), writerData ?? new Dictionary <string, object>())) == null)
{
throw new ContentLoadException(string.Format("ContentTypeWriter not found for content type {0}", content.GetType()));
}
if (_typeWriterManager == null)
{
_typeWriterManager = new ContentTypeWriterManager();
}
using (MemoryStream stream = new MemoryStream())
{
ContentWriter writer = CreateWriter(_typeWriterManager, stream, _buildOptions.CompressOutput, _buildOptions.GetIdentifierString(content.GetType()));
writer.WriteObject(content, typeWriter);
writer.Flush();
string path = _contentSaver.Save(stream, outputFilename, content.GetType());
return(new ExternalReferenceContent <T>(path));
}
}
public void RegisterTypeWriter <T>(ContentTypeWriter writer)
{
RegisterTypeWriter(typeof(T), writer);
}
