/**
* Look-up MetaMetadata for this purl. If there is no special MetaMetadata, use Image. Construct
* Metadata of the correct subtype, base on the MetaMetadata.
*
* @param purl
* @return A Metadata object, either of type Image, or a subclass. Never null!
*/
public Media constructImage(ParsedURL purl) {
MetaMetadata metaMetadata = getImageMM(purl);
Media result = null;
if (metaMetadata != null) {
result = (Media) metaMetadata.constructMetadata(metadataTScope);
}
return result;
}
/**
* Look-up MetaMetadata for this purl. If there is no special MetaMetadata, use Document.
* Construct Metadata of the correct subtype, base on the MetaMetadata. Set its location field to
* purl.
*
* @param purl
* @return
*/
public Document constructDocument(ParsedURL purl) {
MetaMetadata metaMetadata = getDocumentMM(purl);
Document result = (Document) metaMetadata.constructMetadata(metadataTScope);
result.setLocation(purl);
return result;
}