Example #1
0
  /**
   * 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));
    }
  }
Example #2
0
  /* recursively
  	(i) get each Part listed in the relationships
  	(ii) add the Part to the zip file
  	(iii) traverse its relationship
  */
  public void addPartsFromRelationships(ZipOutputStream out, RelationshipsPart rp)
      throws Docx4JException {

    //		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() );
    for (Relationship r : rp.getRelationships().getRelationship()) {

      log.debug(
          "For Relationship Id="
              + r.getId()
              + " Source is "
              + rp.getSourceP().getPartName()
              + ", Target is "
              + r.getTarget());

      if (r.getType().equals(Namespaces.HYPERLINK)) {
        continue; // whether internal or external
      }

      if (r.getTargetMode() != null && r.getTargetMode().equals("External")) {

        // ie its EXTERNAL
        // As at 1 May 2008, we don't have a Part for these;
        // there is just the relationship.

        log.warn("Encountered external resource " + r.getTarget() + " of type " + r.getType());

        // So
        continue;
      }

      try {
        // String resolvedPartUri = URIHelper.resolvePartUri(r.getSourceURI(), r.getTargetURI()
        // ).toString();

        String 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.
        //				target = (new java.net.URI(target)).normalize().toString();
        //				log.info("Normalised, it is " + target );

        //				Document contents = getDocumentFromZippedPart( zf,  target);

        if (!false) {
          log.debug("Getting part /" + resolvedPartUri);

          // Part part = p.getParts().get(new PartName("/" + resolvedPartUri));
          Part part = rp.getPart(r);
          // 2012 09 26: If the part is actually attached to
          // a different package, using this you can still get it.
          // Use this 'feature' at your own risk!

          if (part == null) {
            log.error("Part " + resolvedPartUri + " not found!");
          } else {
            log.debug(part.getClass().getName());
          }

          if (!part.getPackage().equals(p)) {
            log.warn("Part " + resolvedPartUri + " is attached to some other package");
          }

          savePart(out, part);
        }

      } catch (Exception e) {
        throw new Docx4JException(
            "Failed to add parts from relationships of " + rp.getSourceP().getPartName(), e);
      }
    }
  }