/**
* @param opcPackage
* @param sourcePart
* @param proposedRelId
* @param ext extension eg png
* @return
*/
public static String createImageName(
OpcPackage opcPackage, Base sourcePart, String proposedRelId, String ext) {
if (opcPackage instanceof WordprocessingMLPackage) {
return PartName.generateUniqueName(
sourcePart, proposedRelId, IMAGE_DIR_PREFIX, IMAGE_NAME_PREFIX, ext);
} else if (opcPackage instanceof PresentationMLPackage) {
return PartName.generateUniqueName(
sourcePart, proposedRelId, "/ppt/media/", IMAGE_NAME_PREFIX, ext);
} else if (opcPackage instanceof SpreadsheetMLPackage) {
return PartName.generateUniqueName(
sourcePart, proposedRelId, "/xl/media/", IMAGE_NAME_PREFIX, ext);
} else {
// Shouldn't happen
return PartName.generateUniqueName(
sourcePart, proposedRelId, IMAGE_DIR_PREFIX, IMAGE_NAME_PREFIX, ext);
}
}
/**
* Get the Relationships Part (if there is one) for a given Part. Otherwise return null.
*
* @param zf
* @param part
* @return
* @throws InvalidFormatException
*/
public RelationshipsPart getRelationshipsPart(ZipFile zf, Part part)
throws Docx4JException, InvalidFormatException {
RelationshipsPart rrp = null;
// recurse via this parts relationships, if it has any
// String relPart = PartName.getRelationshipsPartName(target);
String relPart = PartName.getRelationshipsPartName(part.getPartName().getName().substring(1));
if (zf.getEntry(relPart) != null) {
log.info("Found relationships " + relPart);
log.info("Recursing ... ");
rrp = getRelationshipsPartFromZip(part, zf, relPart);
part.setRelationships(rrp);
} else {
log.info("No relationships " + relPart);
return null;
}
return rrp;
}
// public RelationshipsPart getRelationshipsPart(ZipFile zf, Part part)
public RelationshipsPart getRelationshipsPart(
HashMap<String, ByteArray> partByteArrays, Part part)
throws Docx4JException, InvalidFormatException {
RelationshipsPart rrp = null;
// recurse via this parts relationships, if it has any
// String relPart = PartName.getRelationshipsPartName(target);
String relPart = PartName.getRelationshipsPartName(part.getPartName().getName().substring(1));
if (partByteArrays.get(relPart) != null) {
log.debug("Found relationships " + relPart);
rrp = getRelationshipsPartFromZip(part, partByteArrays, relPart);
part.setRelationships(rrp);
} else {
log.debug("No relationships " + relPart);
return null;
}
return rrp;
}
/**
* @param out
* @param resolvedPartUri
* @param part
* @throws Docx4JException
* @throws IOException
*/
public void savePart(ZipOutputStream out, Part part) throws Docx4JException, IOException {
// Drop the leading '/'
String resolvedPartUri = part.getPartName().getName().substring(1);
if (handled.get(resolvedPartUri) != null) {
log.debug(".. duplicate save avoided ..");
return;
}
if (part instanceof BinaryPart) {
log.debug(".. saving binary stuff");
saveRawBinaryPart(out, part);
} else {
log.debug(".. saving ");
saveRawXmlPart(out, part);
}
handled.put(resolvedPartUri, resolvedPartUri);
// recurse via this parts relationships, if it has any
RelationshipsPart rrp = part.getRelationshipsPart(false); // don't create
if (rrp != null) {
// log.debug("Found relationships " + rrp.getPartName() );
// Only save it if it actually has rels in it
if (rrp.getRelationships().getRelationship().size() > 0) {
String relPart = PartName.getRelationshipsPartName(resolvedPartUri);
// log.debug("Cf constructed name " + relPart );
saveRawXmlPart(out, rrp, relPart);
addPartsFromRelationships(out, rrp);
}
}
// else {
// log.debug("No relationships for " + resolvedPartUri );
// }
}
/**
* Get the Relationships Part (if there is one) for a given Part. Otherwise return null.
*
* @param zf
* @param part
* @return
* @throws InvalidFormatException
*/
public RelationshipsPart getRelationshipsPart(Part part)
throws Docx4JException, InvalidFormatException {
RelationshipsPart rrp = null;
// recurse via this parts relationships, if it has any
// String relPart = PartName.getRelationshipsPartName(target);
String relPart = PartName.getRelationshipsPartName(part.getPartName().getName().substring(1));
rrp = getRelationshipsPartFromZip(part, relPart);
part.setRelationships(rrp);
// if (partStore.partExists(relPart)) {
// //if (partByteArrays.get(relPart) !=null ) {
// log.debug("Found relationships " + relPart );
// rrp = getRelationshipsPartFromZip(part, relPart);
// part.setRelationships(rrp);
// } else {
// log.debug("No relationships " + relPart );
// return null;
// }
return rrp;
}
/**
* 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));
}
}
/**
* This method assumes your package is a docx (not a pptx or xlsx).
*
* @param sourcePart
* @param proposedRelId
* @param ext
* @return
*/
@Deprecated
public static String createImageName(Base sourcePart, String proposedRelId, String ext) {
return PartName.generateUniqueName(
sourcePart, proposedRelId, IMAGE_DIR_PREFIX, IMAGE_NAME_PREFIX, ext);
}
