/**
* Create a linked image part, and attach it as a rel of the specified source part (eg a header
* part).
*
* <p>The current behaviour is that the part is added to the package, but since the target mode of
* the rel is external, the part is redundant.
*
* @param wordMLPackage
* @param sourcePart
* @param url
* @return
* @throws Exception
*/
public static BinaryPartAbstractImage createLinkedImagePart(
OpcPackage opcPackage, Part sourcePart, URL url) throws Exception {
log.debug("Incoming url for linked image: " + url.toString());
ImageInfo info =
ensureFormatIsSupported(url, null, null, false); // final param doesn't matter in this case
ContentTypeManager ctm = opcPackage.getContentTypeManager();
String proposedRelId = sourcePart.getRelationshipsPart().getNextId();
// In order to ensure unique part name,
// idea is to use the relId, which ought to be unique
String ext = info.getMimeType().substring(info.getMimeType().indexOf("/") + 1);
BinaryPartAbstractImage imagePart =
(BinaryPartAbstractImage)
ctm.newPartForContentType(
info.getMimeType(),
createImageName(opcPackage, sourcePart, proposedRelId, ext),
null);
// NB: contents never populated
log.debug(
"created part "
+ imagePart.getClass().getName()
+ " with name "
+ imagePart.getPartName().toString());
imagePart.rels.add(
sourcePart.addTargetPart(
imagePart)); // want to create rel with suitable name; side effect is to add part
imagePart.getRelLast().setTargetMode("External");
opcPackage.getExternalResources().put(imagePart.getExternalTarget(), imagePart);
// if (!url.getProtocol().equals("file") && new File(url.toString() ).isFile()) {
// imagePart.rel.setTarget("file:///" + url);
// } else {
// imagePart.rel.setTarget(url.toString());
// }
imagePart.getRelLast().setTarget(url.toString());
imagePart.setImageInfo(info);
return imagePart;
}
