/* recursively
(i) create new Parts for each thing listed
in the relationships
(ii) add the new Part to the package
(iii) cross the PartName off unusedZipEntries
*/
private void addPartsFromRelationships(Base source, RelationshipsPart rp, ContentTypeManager ctm)
throws Docx4JException {
OpcPackage pkg = source.getPackage();
for (Relationship r : rp.getRelationships().getRelationship()) {
log.debug(
"\n For Relationship Id="
+ r.getId()
+ " Source is "
+ rp.getSourceP().getPartName()
+ ", Target is "
+ r.getTarget()
+ ", type: "
+ r.getType());
// This is usually the first logged comment for
// a part, so start with a line break.
try {
getPart(pkg, rp, r, ctm);
} catch (Exception e) {
throw new Docx4JException("Failed to add parts from relationships", e);
}
}
}
// private void addPartsFromRelationships(ZipFile zf, Base source, RelationshipsPart rp)
private void addPartsFromRelationships(
HashMap<String, ByteArray> partByteArrays,
Base source,
RelationshipsPart rp,
ContentTypeManager ctm)
throws Docx4JException {
OpcPackage pkg = source.getPackage();
// for (Iterator it = rp.iterator(); it.hasNext(); ) {
// Relationship r = (Relationship)it.next();
// log.info("For Relationship Id=" + r.getId() + " Source is "
// + r.getSource().getPartName()
// + ", Target is " + r.getTargetURI() );
// try {
//
// getPart(zf, pkg, rp, r);
//
// } catch (Exception e) {
// throw new Docx4JException("Failed to add parts from relationships", e);
// }
// }
for (Relationship r : rp.getRelationships().getRelationship()) {
log.debug(
"\n For Relationship Id="
+ r.getId()
+ " Source is "
+ rp.getSourceP().getPartName()
+ ", Target is "
+ r.getTarget()
+ ", type: "
+ r.getType());
// This is usually the first logged comment for
// a part, so start with a line break.
try {
getPart(partByteArrays, pkg, rp, r, ctm);
} catch (Exception e) {
throw new Docx4JException("Failed to add parts from relationships", e);
}
}
}
/**
* Get a Part (except a relationships part), and all its related parts. This can be called
* directly from outside the library, in which case the Part will not be owned by a Package until
* the calling code makes it so.
*
* @param zf
* @param source
* @param unusedZipEntries
* @param pkg
* @param r
* @param resolvedPartUri
* @throws Docx4JException
* @throws InvalidFormatException
*/
private void getPart(OpcPackage pkg, RelationshipsPart rp, Relationship r, ContentTypeManager ctm)
throws Docx4JException, InvalidFormatException, URISyntaxException {
Base source = null;
String resolvedPartUri = null;
if (r.getType().equals(Namespaces.HYPERLINK)) {
// Could be Internal or External
// Example of Internal is w:drawing/wp:inline/wp:docPr/a:hlinkClick
log.info("Encountered (but not loading) hyperlink " + r.getTarget());
return;
} else if (r.getTargetMode() == null || !r.getTargetMode().equals("External")) {
// Usual case
source = rp.getSourceP();
resolvedPartUri =
URIHelper.resolvePartUri(rp.getSourceURI(), new URI(r.getTarget())).toString();
// Now drop leading "/'
resolvedPartUri = resolvedPartUri.substring(1);
// Now normalise it .. ie abc/def/../ghi
// becomes abc/ghi
// Maybe this isn't necessary with a zip file,
// - ZipFile class may be smart enough to do it.
// But it is certainly necessary in the JCR case.
// resolvedPartUri = (new java.net.URI(resolvedPartUri)).normalize().toString();
// log.info("Normalised, it is " + resolvedPartUri );
} else {
// EXTERNAL
if (loadExternalTargets && r.getType().equals(Namespaces.IMAGE)) {
// It could instead be, for example, of type hyperlink,
// and we don't want to try to fetch that
log.info("Loading external resource " + r.getTarget() + " of type " + r.getType());
BinaryPart bp = ExternalResourceUtils.getExternalResource(r.getTarget());
pkg.getExternalResources().put(bp.getExternalTarget(), bp);
} else {
log.info(
"Encountered (but not loading) external resource "
+ r.getTarget()
+ " of type "
+ r.getType());
}
return;
}
String relationshipType = r.getType();
Part part;
if (pkg.handled.get(resolvedPartUri) != null) {
// The source Part (or Package) might have a convenience
// method for this
part = pkg.getParts().getParts().get(new PartName("/" + resolvedPartUri));
if (source.setPartShortcut(part, relationshipType)) {
log.debug(
"Convenience method established from "
+ source.getPartName()
+ " to "
+ part.getPartName());
}
return;
}
part = getRawPart(ctm, resolvedPartUri, r); // will throw exception if null
// The source Part (or Package) might have a convenience
// method for this
if (source.setPartShortcut(part, relationshipType)) {
log.debug(
"Convenience method established from "
+ source.getPartName()
+ " to "
+ part.getPartName());
}
if (part instanceof BinaryPart || part instanceof DefaultXmlPart) {
// The constructors of other parts should take care of this...
part.setRelationshipType(relationshipType);
}
rp.loadPart(part, r);
pkg.handled.put(resolvedPartUri, resolvedPartUri);
// unusedZipEntries.put(resolvedPartUri, new Boolean(false));
RelationshipsPart rrp = getRelationshipsPart(part);
if (rrp != null) {
// recurse via this parts relationships, if it has any
addPartsFromRelationships(part, rrp, ctm);
String relPart = PartName.getRelationshipsPartName(part.getPartName().getName().substring(1));
// unusedZipEntries.put(relPart, new Boolean(false));
}
}
