Examples of org.apache.poi.openxml4j.opc.PackageRelationshipCollection

org.apache.poi.openxml4j.opc.PackageRelationshipCollection
Represents a collection of PackageRelationship elements that are owned by a given PackagePart or the Package. @author Julien Chable, CDubettier @version 0.1

        hyperlinks = new ArrayList<XSSFHyperlink>();


        if(!worksheet.isSetHyperlinks()) return;


        try {
            PackageRelationshipCollection hyperRels =
                getPackagePart().getRelationshipsByType(XSSFRelation.SHEET_HYPERLINKS.getRelation());


            // Turn each one into a XSSFHyperlink
            for(CTHyperlink hyperlink : worksheet.getHyperlinks().getHyperlinkArray()) {
                PackageRelationship hyperRel = null;
                if(hyperlink.getId() != null) {
                    hyperRel = hyperRels.getRelationshipByID(hyperlink.getId());
                }


                hyperlinks.add( new XSSFHyperlink(hyperlink, hyperRel) );
            }
        } catch (InvalidFormatException e){

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        public CommentsTable getSheetComments() {
           PackagePart sheetPkg = getSheetPart();
           
           // Do we have a comments relationship? (Only ever one if so)
           try {
              PackageRelationshipCollection commentsList = 
                   sheetPkg.getRelationshipsByType(XSSFRelation.SHEET_COMMENTS.getRelation());
              if(commentsList.size() > 0) {
                 PackageRelationship comments = commentsList.getRelationship(0);
                 PackagePartName commentsName = PackagingURIHelper.createPartName(comments.getTargetURI());
                 PackagePart commentsPart = sheetPkg.getPackage().getPart(commentsName);
                 return new CommentsTable(commentsPart, comments);
              }
           } catch (InvalidFormatException e) {

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        public List<XSSFShape> getShapes() {
            PackagePart sheetPkg = getSheetPart();
            List<XSSFShape> shapes= new LinkedList<XSSFShape>();
           // Do we have a comments relationship? (Only ever one if so)
           try {
              PackageRelationshipCollection drawingsList = sheetPkg.getRelationshipsByType(XSSFRelation.DRAWINGS.getRelation());
              for (int i = 0; i < drawingsList.size(); i++){
                  PackageRelationship drawings = drawingsList.getRelationship(i);
                  PackagePartName drawingsName = PackagingURIHelper.createPartName(drawings.getTargetURI());
                  PackagePart drawingsPart = sheetPkg.getPackage().getPart(drawingsName);
                  XSSFDrawing drawing = new XSSFDrawing(drawingsPart, drawings);
                  for (XSSFShape shape : drawing.getShapes()){
                      shapes.add(shape);

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        hyperlinks = new ArrayList<XSSFHyperlink>();


        if(!worksheet.isSetHyperlinks()) return;


        try {
            PackageRelationshipCollection hyperRels =
                getPackagePart().getRelationshipsByType(XSSFRelation.SHEET_HYPERLINKS.getRelation());


            // Turn each one into a XSSFHyperlink
            for(CTHyperlink hyperlink : worksheet.getHyperlinks().getHyperlinkArray()) {
                PackageRelationship hyperRel = null;
                if(hyperlink.getId() != null) {
                    hyperRel = hyperRels.getRelationshipByID(hyperlink.getId());
                }


                hyperlinks.add( new XSSFHyperlink(hyperlink, hyperRel) );
            }
        } catch (InvalidFormatException e){

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     * Retrieves all the PackageParts which are defined as
     *  relationships of the base document with the
     *  specified content type.
     */
    protected PackagePart[] getRelatedByType(String contentType) throws InvalidFormatException {
        PackageRelationshipCollection partsC =
            getPackagePart().getRelationshipsByType(contentType);


        PackagePart[] parts = new PackagePart[partsC.size()];
        int count = 0;
        for (PackageRelationship rel : partsC) {
            parts[count] = getPackagePart().getRelatedPart(rel);
            count++;
        }

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    }
    throw new IllegalArgumentException("Your InputStream was neither an OLE2 stream, nor an OOXML stream");
  }


  public static POIXMLTextExtractor createExtractor(OPCPackage pkg) throws IOException, OpenXML4JException, XmlException {
       PackageRelationshipCollection core =
            pkg.getRelationshipsByType(CORE_DOCUMENT_REL);
       if(core.size() != 1) {
          throw new IllegalArgumentException("Invalid OOXML Package received - expected 1 core document, found " + core.size());
       }


       PackagePart corePart = pkg.getPart(core.getRelationship(0));


       // Is it XSSF?
       for(XSSFRelation rel : XSSFExcelExtractor.SUPPORTED_TYPES) {
          if(corePart.getContentType().equals(rel.getContentType())) {
             if(getPreferEventExtractor()) {

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        xhtml.endDocument();
        
        // Now do any embedded parts
        List<PackagePart> mainParts = getMainDocumentParts();
        for(PackagePart part : mainParts) {
           PackageRelationshipCollection rels;
           try {
              rels = part.getRelationships();
           } catch(InvalidFormatException e) {
              throw new TikaException("Corrupt OOXML file", e);
           }

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  public POIXMLProperties(Package docPackage) throws IOException, OpenXML4JException, XmlException {
    this.pkg = docPackage;
    
    // Core properties
    PackageRelationshipCollection coreRel =
      pkg.getRelationshipsByType(POIXMLDocument.CORE_PROPERTIES_REL_TYPE);
    if(coreRel.size() == 1) {
      core = new CoreProperties( (PackagePropertiesPart)
          pkg.getPart(coreRel.getRelationship(0)) );
    } else {
      throw new IllegalArgumentException("A document must always have core properties defined!");
    }
    
    // Extended properties
    PackageRelationshipCollection extRel =
      pkg.getRelationshipsByType(POIXMLDocument.EXTENDED_PROPERTIES_REL_TYPE);
    if(extRel.size() == 1) {
      org.openxmlformats.schemas.officeDocument.x2006.extendedProperties.PropertiesDocument props = org.openxmlformats.schemas.officeDocument.x2006.extendedProperties.PropertiesDocument.Factory.parse(
          pkg.getPart( extRel.getRelationship(0) ).getInputStream()
      );
      ext = new ExtendedProperties(props);
    } else {
      ext = new ExtendedProperties(org.openxmlformats.schemas.officeDocument.x2006.extendedProperties.PropertiesDocument.Factory.newInstance());
    }
    
    // Custom properties
    PackageRelationshipCollection custRel =
      pkg.getRelationshipsByType(POIXMLDocument.CUSTOM_PROPERTIES_REL_TYPE);
    if(custRel.size() == 1) {
      org.openxmlformats.schemas.officeDocument.x2006.customProperties.PropertiesDocument props = org.openxmlformats.schemas.officeDocument.x2006.customProperties.PropertiesDocument.Factory.parse(
          pkg.getPart( custRel.getRelationship(0) ).getInputStream()
      );
      cust = new CustomProperties(props);
    } else {
      cust = new CustomProperties(org.openxmlformats.schemas.officeDocument.x2006.customProperties.PropertiesDocument.Factory.newInstance());
    }

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  /**
   * Gets the PackagePart of the notes for the
   *  given slide, or null if there isn't one.
   */
  public PackagePart getNodesPart(CTSlideIdListEntry parentSlide) throws IOException, XmlException {
    PackageRelationshipCollection notes;
    PackagePart slidePart = getSlidePart(parentSlide);
    
    try {
      notes = slidePart.getRelationshipsByType(NOTES_RELATION_TYPE);
    } catch(InvalidFormatException e) {
      throw new IllegalStateException(e);
    }
    
    if(notes.size() == 0) {
      // No notes for this slide
      return null;
    }
    if(notes.size() > 1) {
      throw new IllegalStateException("Expecting 0 or 1 notes for a slide, but found " + notes.size());
    }
    
    try {
      return getTargetPart(notes.getRelationship(0));
    } catch(InvalidFormatException e) {
      throw new IllegalStateException(e);
    }
  }

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  /**
   * Returns all the comments for the given slide
   */
  public CTCommentList getSlideComments(CTSlideIdListEntry slide) throws IOException, XmlException {
    PackageRelationshipCollection commentRels;
    PackagePart slidePart = getSlidePart(slide);
    
    try {
      commentRels = slidePart.getRelationshipsByType(COMMENT_RELATION_TYPE);
    } catch(InvalidFormatException e) {
      throw new IllegalStateException(e);
    }
    
    if(commentRels.size() == 0) {
      // No comments for this slide
      return null;
    }
    if(commentRels.size() > 1) {
      throw new IllegalStateException("Expecting 0 or 1 comments for a slide, but found " + commentRels.size());
    }
    
    try {
      PackagePart cPart = getTargetPart(
          commentRels.getRelationship(0)
      );
      CmLstDocument commDoc = 
        CmLstDocument.Factory.parse(cPart.getInputStream());
      return commDoc.getCmLst();
    } catch(InvalidFormatException e) {

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