/**
* Create an image part from the provided byte array, attach it to the source part (eg the main
* document part, a header part etc), and return it.
*
* <p>Works for both docx and pptx.
*
* <p>Knowing the MIME type allows you to avoid ImageInfo, but you'll probably also need to know
* the image dimensions
*
* @param opcPackage
* @param sourcePart
* @param bytes
* @param mime MIME type eg image/png
* @return
* @throws Exception @Since 3.0.1
*/
public static BinaryPartAbstractImage createImagePart(
OpcPackage opcPackage, Part sourcePart, byte[] bytes, String mime) throws Exception {
String ext = mimeToExt(mime);
if (mime == null || ext == null) {
log.warn("Null or unknown mime type; image introspection required!");
return createImagePart(opcPackage, sourcePart, bytes);
}
ContentTypeManager ctm = opcPackage.getContentTypeManager();
// Ensure the relationships part exists
if (sourcePart.getRelationshipsPart() == null) {
RelationshipsPart.createRelationshipsPartForPart(sourcePart);
}
String proposedRelId = sourcePart.getRelationshipsPart().getNextId();
BinaryPartAbstractImage imagePart =
(BinaryPartAbstractImage)
ctm.newPartForContentType(
mime, createImageName(opcPackage, sourcePart, proposedRelId, ext), null);
log.debug(
"created part "
+ imagePart.getClass().getName()
+ " with name "
+ imagePart.getPartName().toString());
imagePart.setBinaryData(bytes);
imagePart.rels.add(sourcePart.addTargetPart(imagePart, proposedRelId));
return imagePart;
}
/**
* Create an image part from the provided filePath image, attach it to the source part (eg the
* main document part, a header part etc), and return it.
*
* <p>Works for both docx and pptx.
*
* @param opcPackage
* @param sourcePart
* @param filePath
* @return
* @throws Exception
*/
public static BinaryPartAbstractImage createImagePart(
OpcPackage opcPackage, Part sourcePart, File imageFile) throws Exception {
final byte[] locByte = new byte[1];
// We are in the case that image is not load (no byte Array) so isLoad is false
ImageInfo info = ensureFormatIsSupported(imageFile, locByte, false);
ContentTypeManager ctm = opcPackage.getContentTypeManager();
// Ensure the relationships part exists
if (sourcePart.getRelationshipsPart() == null) {
RelationshipsPart.createRelationshipsPartForPart(sourcePart);
}
String proposedRelId = sourcePart.getRelationshipsPart().getNextId();
String ext = info.getMimeType().substring(info.getMimeType().indexOf("/") + 1);
BinaryPartAbstractImage imagePart =
(BinaryPartAbstractImage)
ctm.newPartForContentType(
info.getMimeType(),
createImageName(opcPackage, sourcePart, proposedRelId, ext),
null);
log.debug(
"created part "
+ imagePart.getClass().getName()
+ " with name "
+ imagePart.getPartName().toString());
FileInputStream fis = new FileInputStream(imageFile);
imagePart.setBinaryData(fis);
imagePart.rels.add(sourcePart.addTargetPart(imagePart, proposedRelId));
imagePart.setImageInfo(info);
return imagePart;
}
/**
* 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;
}
/**
* @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 );
// }
}
protected static boolean IsPartToRemove(Part part, String xpathStorageItemId) {
boolean ret = false;
RelationshipsPart relationshipsPart = part.getRelationshipsPart();
List<Relationship> relationshipsList =
((relationshipsPart != null) && (relationshipsPart.getRelationships() != null)
? relationshipsPart.getRelationships().getRelationship()
: null);
CustomXmlDataStoragePropertiesPart propertiesPart = null;
DatastoreItem datastoreItem = null;
if ((relationshipsList != null) && (!relationshipsList.isEmpty())) {
for (Relationship relationship : relationshipsList) {
if (Namespaces.CUSTOM_XML_DATA_STORAGE_PROPERTIES.equals(relationship.getType())) {
propertiesPart =
(CustomXmlDataStoragePropertiesPart) relationshipsPart.getPart(relationship);
break;
}
}
}
if (propertiesPart != null) {
datastoreItem = propertiesPart.getJaxbElement();
}
if (datastoreItem != null) {
if ((datastoreItem.getItemID() != null) && (datastoreItem.getItemID().length() > 0)) {
ret = datastoreItem.getItemID().equals(xpathStorageItemId);
}
if ((!ret)
&& (datastoreItem.getSchemaRefs() != null)
&& (datastoreItem.getSchemaRefs().getSchemaRef() != null)
&& (!datastoreItem.getSchemaRefs().getSchemaRef().isEmpty())) {
for (SchemaRef ref : datastoreItem.getSchemaRefs().getSchemaRef()) {
if (PART_TO_REMOVE_SCHEMA_TYPES.contains(ref.getUri())) {
ret = true;
break;
}
}
}
}
return ret;
}
/**
* @param alteredParts
* @param theseRels
* @throws Docx4JException
*/
private static void addTree(List<Alteration> list, RelationshipsPart rp) throws Docx4JException {
if (rp == null) return;
for (Relationship r : rp.getJaxbElement().getRelationship()) {
if (r.getTargetMode() != null && r.getTargetMode().equals("External")) {
log.debug(r.getTarget() + " is external");
// Have everything we need info wise in transmitting the rels part
} else {
list.add(new Alteration(rp, toStorageFormat(rp.getPart(r))));
log.debug("add tree: " + r.getTarget());
// recurse
Part nextSourcePart = rp.getPart(r);
RelationshipsPart nextRP = nextSourcePart.getRelationshipsPart();
if (nextRP != null) {
list.add(new Alteration(nextSourcePart.getPartName(), toStorageFormat(nextRP)));
addTree(list, nextRP);
}
}
}
}
public static void apply(WordprocessingMLPackage otherPackage, Alterations alterations)
throws Docx4JException, JAXBException {
if (alterations.getContentTypes() != null) {
log.info("replacing [Content_Types].xml");
ContentTypeManager newCTM = new ContentTypeManager();
newCTM.parseContentTypesFile(new ByteArrayInputStream(alterations.getContentTypes()));
otherPackage.setContentTypeManager(newCTM);
}
if (alterations.isEmpty()) return;
// -- Deletions
List<PartName> removedParts = new ArrayList<PartName>();
for (Alteration a : alterations.getPartsDeleted()) {
org.docx4j.xmlPackage.Part xmlpart = a.getPart();
// These deleted parts are likely to be attached to
// to otherPackage, but there is no requirement for
// that to be so. In other words, you could try
// to apply the alterations to some third docx.
// It might have already been deleted as a consequence
// of recursive deletion...
if (removedParts.contains(xmlpart.getName())) continue;
// Design decision: how to find owning rels part?
// Since part might not be from this package, can't do:
// part.getOwningRelationshipPart().removePart(p.getPartName())
// We could store the info when AlteredParts is run,
// but lets try to get away without that...
// If a part has been deleted, we know its owning rels will
// have been modified or deleted. So look for that.
// BUT IT WON'T BE THERE IF ITS BEEN DELETED! DOH!
// So we have to store the info when AlteredParts is run
// after all.
Part parentPart = otherPackage.getParts().get(a.getSourcePartName());
if (a.getPart().getContentType().equals(ContentTypes.RELATIONSHIPS_PART)) {
parentPart.setRelationships(null);
} else {
removedParts.addAll(
parentPart.getRelationshipsPart().removePart(new PartName(xmlpart.getName())));
}
}
// -- Modifications
for (Alteration a : alterations.getPartsModified()) {
log.info("Applying modifications to part: " + a.getPart().getName());
if (a.getPart().getContentType().equals(ContentTypes.RELATIONSHIPS_PART)) {
RelationshipsPart newRP = null; // FlatOpcXmlImporter.createRelationshipsPart(a.getPart());
if (a.getSourcePartName().equals("/")) {
newRP = otherPackage.getRelationshipsPart(true);
// otherPackage.setRelationships(newRP);
// newRP.setSourceP(otherPackage);
} else {
Part parentPart = otherPackage.getParts().get(a.getSourcePartName());
newRP = parentPart.getRelationshipsPart(true);
// parentPart.setRelationships(newRP);
// newRP.setSourceP(parentPart);
}
FlatOpcXmlImporter.populateRelationshipsPart(newRP, a.getPart().getXmlData().getAny());
} else {
Part targetPart = otherPackage.getParts().get(new PartName(a.getPart().getName()));
if (targetPart == null) {
log.error(
"Couldn't find " + a.getPart().getName() + " @ " + a.getSourcePartName().getName());
continue;
}
Part tmpPart =
FlatOpcXmlImporter.getRawPart(otherPackage.getContentTypeManager(), a.getPart(), null);
if (targetPart instanceof JaxbXmlPart) {
((JaxbXmlPart) targetPart).setJaxbElement(((JaxbXmlPart) tmpPart).getJaxbElement());
} else if (targetPart instanceof XmlPart) {
((XmlPart) targetPart).setDocument(((XmlPart) tmpPart).getDocument());
} else if (targetPart instanceof CustomXmlDataStoragePart) {
((CustomXmlDataStoragePart) targetPart)
.setData(((CustomXmlDataStoragePart) tmpPart).getData());
// TODO: check that
} else if (targetPart instanceof BinaryPart) {
((BinaryPart) targetPart).setBinaryData(((BinaryPart) tmpPart).getBuffer());
} else {
log.error("TODO: handle " + targetPart.getClass().getName());
}
}
}
// -- Additions
for (Alteration a : alterations.getPartsAdded()) {
log.info("Adding part: " + a.getPart().getName());
if (a.getPart().getContentType().equals(ContentTypes.RELATIONSHIPS_PART)) {
RelationshipsPart newRP = null; // FlatOpcXmlImporter.createRelationshipsPart(a.getPart());
if (a.getSourcePartName().equals("/")) {
newRP = otherPackage.getRelationshipsPart(true);
// otherPackage.setRelationships(newRP);
// newRP.setSourceP(otherPackage);
} else {
Part parentPart = otherPackage.getParts().get(a.getSourcePartName());
newRP = parentPart.getRelationshipsPart(true);
// parentPart.setRelationships(newRP);
// newRP.setSourceP(parentPart);
}
FlatOpcXmlImporter.populateRelationshipsPart(newRP, a.getPart().getXmlData().getAny());
} else {
Part parentPart = otherPackage.getParts().get(a.getSourcePartName());
Part newPart =
FlatOpcXmlImporter.getRawPart(otherPackage.getContentTypeManager(), a.getPart(), null);
// There will already be a rel for the new part,
// since we will already have modified or added the rels part
// so don't do AddTargetPart (which will probably create a new rel id,
// which will cause problems)
newPart.setOwningRelationshipPart(parentPart.getRelationshipsPart());
newPart
.getSourceRelationships()
.add(parentPart.getRelationshipsPart().getRel(new PartName(a.getPart().getName())));
otherPackage.getParts().put(newPart);
newPart.setPackage(otherPackage);
// TODO: add content type if necessary
}
}
}
public static void recurse(
Alterations alterations, RelationshipsPart thisRP, RelationshipsPart otherRP)
throws Docx4JException {
log.info("######### @" + thisRP.partName.getName() + "#########");
log.info("uniques -------");
List<Relationship> uniques = thisRP.uniqueToThis(otherRP);
addPartsForRels(alterations.getPartsAdded(), uniques, thisRP);
List<Relationship> missings = thisRP.uniqueToOther(otherRP);
addPartsForRels(alterations.getPartsDeleted(), missings, otherRP);
// is this rels part itself altered?
if (!thisRP.isContentEqual(otherRP)) {
alterations.getPartsModified().add(new Alteration(thisRP, toStorageFormat(thisRP)));
}
log.info("content -------");
List<Relationship> altered = thisRP.differingContent(otherRP);
addPartsForRels(alterations.getPartsModified(), altered, thisRP);
// Now recurse all rels
log.info("recurse ------- ");
for (Relationship r : thisRP.getJaxbElement().getRelationship()) {
if (r.getTargetMode() != null && r.getTargetMode().equals("External")) {
// do nothing
} else {
if (uniques.contains(r)) {
// add tree, including any external parts
// (we already have the part itself)
addTree(alterations.getPartsAdded(), thisRP.getPart(r).getRelationshipsPart());
} else if (missings.contains(r)) {
addTree(alterations.getPartsDeleted(), thisRP.getPart(r).getRelationshipsPart());
} else {
// its present in both trees.
// irrespective of whether content of part is the same, content of a rel could still have
// changed
Part thisPart = thisRP.getPart(r);
Part otherPart =
otherRP.getPart(RelationshipsPart.getRelationshipByTarget(otherRP, r.getTarget()));
if (thisPart.getRelationshipsPart() == null) {
if (otherPart.getRelationshipsPart() != null) {
// add tree, including any external parts
alterations
.getPartsDeleted()
.add(
new Alteration(
thisPart.getPartName(),
toStorageFormat(thisPart.getRelationshipsPart())));
addTree(alterations.getPartsDeleted(), thisPart.getRelationshipsPart());
}
} else {
if (otherPart.getRelationshipsPart() == null) {
// add tree, including any external parts
alterations
.getPartsAdded()
.add(
new Alteration(
thisPart.getPartName(),
toStorageFormat(thisPart.getRelationshipsPart())));
addTree(alterations.getPartsAdded(), thisPart.getRelationshipsPart());
} else {
recurse(
alterations, thisPart.getRelationshipsPart(), otherPart.getRelationshipsPart());
}
}
}
}
}
}
/**
* Create an image part from the provided byte array, attach it to the source part (eg the main
* document part, a header part etc), and return it.
*
* <p>Works for both docx and pptx.
*
* <p>Note: this method creates a temp file (and attempts to delete it). That's because it uses
* org.apache.xmlgraphics
*
* @param opcPackage
* @param sourcePart
* @param bytes
* @return
* @throws Exception
*/
public static BinaryPartAbstractImage createImagePart(
OpcPackage opcPackage, Part sourcePart, byte[] bytes) throws Exception {
// Whatever image type this is, we're going to need
// to know its dimensions.
// For that we use ImageInfo, which can only
// load an image from a URI.
// So first, write the bytes to a temp file
File tmpImageFile = File.createTempFile("img", ".img");
FileOutputStream fos = new FileOutputStream(tmpImageFile);
fos.write(bytes);
fos.close();
log.debug("created tmp file: " + tmpImageFile.getAbsolutePath());
ImageInfo info = ensureFormatIsSupported(tmpImageFile, bytes, true);
// In the absence of an exception, tmpImageFile now contains an image
// Word will accept
ContentTypeManager ctm = opcPackage.getContentTypeManager();
// Ensure the relationships part exists
if (sourcePart.getRelationshipsPart() == null) {
RelationshipsPart.createRelationshipsPartForPart(sourcePart);
}
String proposedRelId = sourcePart.getRelationshipsPart().getNextId();
String ext = info.getMimeType().substring(info.getMimeType().indexOf("/") + 1);
// System.out.println(ext);
BinaryPartAbstractImage imagePart =
(BinaryPartAbstractImage)
ctm.newPartForContentType(
info.getMimeType(),
createImageName(opcPackage, sourcePart, proposedRelId, ext),
null);
log.debug(
"created part "
+ imagePart.getClass().getName()
+ " with name "
+ imagePart.getPartName().toString());
FileInputStream fis = new FileInputStream(tmpImageFile);
imagePart.setBinaryData(fis);
imagePart.rels.add(sourcePart.addTargetPart(imagePart, proposedRelId));
imagePart.setImageInfo(info);
// Delete the tmp file
// As per http://stackoverflow.com/questions/991489/i-cant-delete-a-file-in-java
// the following 3 lines are necessary, at least on Win 7 x64
// Also reported on Win XP, but in my testing, the files were deleting OK anyway.
fos = null;
fis = null;
if (Docx4jProperties.getProperty(
"docx4j.openpackaging.parts.WordprocessingML.BinaryPartAbstractImage.TempFiles.ForceGC",
true)) {
System.gc();
}
if (tmpImageFile.delete()) {
log.debug(".. deleted " + tmpImageFile.getAbsolutePath());
} else {
log.warn("Couldn't delete tmp file " + tmpImageFile.getAbsolutePath());
tmpImageFile.deleteOnExit();
// If that doesn't work, see "Clean Up Your Mess: Managing Temp Files in Java Apps"
// at devx.com
}
return imagePart;
}
