/// <summary>
/// Publishes the Binary Data of a Multimedia Component and sets it Multimedia URL (and ExtensionData for ECL).
/// </summary>
/// <param name="mmComponent">The (DD4T) Multimedia Component to Publish.</param>
/// <param name="buildProperties">The DD4T Build Properties</param>
public void PublishMultimediaComponent(Dynamic.Component mmComponent, BuildProperties buildProperties)
{
Dynamic.Multimedia multimedia = mmComponent.Multimedia;
if (multimedia == null)
{
log.Warning("PublishMultimediaComponent called with a non-Multimedia Component: " + mmComponent.Id);
return;
}
if (multimedia.MimeType == EclMimeType && buildProperties.ECLEnabled && mmComponent.EclId == null)
{
using (EclProcessor eclProcessor = new EclProcessor(engine, targetStructureGroupUri))
{
eclProcessor.ProcessEclStubComponent(mmComponent);
}
}
else if (mmComponent.EclId != null)
{
log.Debug(string.Format("ECL Stub Component '{0}' has already been processed (ECL ID: '{1}') ", mmComponent.Id, mmComponent.EclId));
}
else
{
multimedia.Url = PublishMultimediaComponent(mmComponent.Id, buildProperties);
}
}
private void ProcessRichTextXlink(XmlElement xlinkElement, BuildProperties buildProperties)
{
const string xlinkNamespaceUri = "http://www.w3.org/1999/xlink";
string xlinkHref = xlinkElement.GetAttribute("href", xlinkNamespaceUri);
if (string.IsNullOrEmpty(xlinkHref))
{
log.Warning("No xlink:href found: " + xlinkElement.OuterXml);
return;
}
Component component = engine.GetObject(xlinkHref) as Component;
if (component == null || component.BinaryContent == null)
{
// XLink doesn't refer to MM Component; do nothing.
return;
}
log.Debug("Processing XLink to Multimedia Component: " + component.Id);
BinaryContent binaryContent = component.BinaryContent;
MultimediaType multimediaType = binaryContent.MultimediaType;
string url;
if (multimediaType.MimeType == EclMimeType && buildProperties.ECLEnabled)
{
using (EclProcessor eclProcessor = new EclProcessor(engine, binaryPathProvider.GetTargetStructureGroupUri(component.Id)))
{
url = eclProcessor.ProcessEclXlink(xlinkElement);
}
}
else
{
url = PublishMultimediaComponent(component.Id, buildProperties);
}
// Put the resolved URL (path) in an appropriate XHTML attribute
string attrName = (xlinkElement.LocalName == "img") ? "src" : "href"; // Note that XHTML is case-sensitive, so case-sensitive comparison is OK.
xlinkElement.SetAttribute(attrName, url);
// NOTE: intentionally not removing xlink:href attribute to keep the MM Component ID available for post-processing purposes (e.g. DXA).
log.Debug(string.Format("XLink to Multimedia Component '{0}' resolved to: {1}", component.Id, xlinkElement.OuterXml));
}
