Examples of org.apache.fop.fo.extensions.ExtensionAttachment

org.apache.fop.fo.extensions.ExtensionAttachment
This interface is implemented by objects that are returned by special extension element through the FONode.getExtensionAttachment() method. Such objects are carried in the FO tree and made available to the layout managers that support processing extension attachments or support passing them on to the area tree where they can be picked up by renderers.
NOTE: Classes which implement this interface need to be Serializable!

    /** {@inheritDoc} */
    public void processOffDocumentItem(OffDocumentItem oDI) {
        if (oDI instanceof BookmarkData) {
            renderBookmarkTree((BookmarkData) oDI);
        } else if (oDI instanceof OffDocumentExtensionAttachment) {
            ExtensionAttachment attachment = ((OffDocumentExtensionAttachment)oDI).getAttachment();
            if (extensionAttachments == null) {
                extensionAttachments = new java.util.ArrayList();
            }
            extensionAttachments.add(attachment);
        } else {

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            renderDestination((DestinationData) odi);
        } else if (odi instanceof BookmarkData) {
            // render Bookmark-Tree
            renderBookmarkTree((BookmarkData) odi);
        } else if (odi instanceof OffDocumentExtensionAttachment) {
            ExtensionAttachment attachment = ((OffDocumentExtensionAttachment)odi).getAttachment();
            if (XMPMetadata.CATEGORY.equals(attachment.getCategory())) {
                renderXMPMetadata((XMPMetadata)attachment);
            } else {
                try {
                    this.documentHandler.handleExtensionObject(attachment);
                } catch (IFException ife) {

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    private void processExtensionAttachments(AreaTreeObject area) throws IFException {
        if (area.hasExtensionAttachments()) {
            for (Iterator iter = area.getExtensionAttachments().iterator();
                iter.hasNext();) {
                ExtensionAttachment attachment = (ExtensionAttachment) iter.next();
                this.documentHandler.handleExtensionObject(attachment);
            }
        }
    }

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    }
    
    private void wrapAndAddExtensionAttachments(List list) {
        Iterator i = list.iterator();
        while (i.hasNext()) {
            ExtensionAttachment attachment = (ExtensionAttachment)i.next();
            addOffDocumentItem(new OffDocumentExtensionAttachment(attachment));
        }
    }

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    public void processOffDocumentItem(OffDocumentItem odi) {
        // render Bookmark-Tree
        if (odi instanceof BookmarkData) {
            renderBookmarkTree((BookmarkData) odi);
        } else if (odi instanceof OffDocumentExtensionAttachment) {
            ExtensionAttachment attachment = ((OffDocumentExtensionAttachment)odi).getAttachment();
            if (XMPMetadata.CATEGORY.equals(attachment.getCategory())) {
                renderXMPMetadata((XMPMetadata)attachment);
            }
        }
    }

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    }
    
    private void wrapAndAddExtensionAttachments(List list) {
        Iterator i = list.iterator();
        while (i.hasNext()) {
            ExtensionAttachment attachment = (ExtensionAttachment)i.next();
            addOffDocumentItem(new OffDocumentExtensionAttachment(attachment));
        }
    }

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     */
    protected void addChildNode(FONode child) throws FOPException {
        if (PropertySets.canHaveMarkers(getNameId()) && child.getNameId() == FO_MARKER) {
            addMarker((Marker)child);
        } else {
            ExtensionAttachment attachment = child.getExtensionAttachment();
            if (attachment != null) {
                //This removes the element from the normal children, so no layout manager
                //is being created for them as they are only additional information.
                addExtensionAttachment(attachment);
            } else {

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         * An example of object handled here are ExtensionAttachments.
         * @param obj the Object to be handled.
         */
        protected void handleExternallyGeneratedObject(Object obj) {
            if (areaStack.size() == 0 && obj instanceof ExtensionAttachment) {
                ExtensionAttachment attachment = (ExtensionAttachment)obj;
                if (this.currentPageViewport == null) {
                    this.treeModel.handleOffDocumentItem(
                            new OffDocumentExtensionAttachment(attachment));
                } else {
                    this.currentPageViewport.addExtensionAttachment(attachment);

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    /** @see org.apache.fop.render.Renderer */
    public void processOffDocumentItem(OffDocumentItem oDI) {
        log.debug("Handling OffDocumentItem: " + oDI.getName());
        if (oDI instanceof OffDocumentExtensionAttachment) {
            ExtensionAttachment attachment = ((OffDocumentExtensionAttachment)oDI).getAttachment();
            if (PSSetupCode.CATEGORY.equals(attachment.getCategory())) {
                PSSetupCode setupCode = (PSSetupCode)attachment;
                if (setupCodeList == null) {
                    setupCodeList = new java.util.ArrayList();
                }
                setupCodeList.add(setupCode);

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                && page.getExtensionAttachments().size() > 0) {
            List list = new java.util.ArrayList();
            //Extract all PSSetupCode instances from the attachment list on the s-p-m
            Iterator i = page.getExtensionAttachments().iterator();
            while (i.hasNext()) {
                ExtensionAttachment attachment = (ExtensionAttachment)i.next();
                if (PSSetupCode.CATEGORY.equals(attachment.getCategory())) {
                    list.add(attachment);
                }
            }
            writeSetupCodeList(list, "PageSetupCode");
        }

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org.apache.fop.area.AreaTreeHandler

org.apache.fop.area.AreaTreeParser$Handler

org.apache.fop.fo.FObj

org.apache.fop.render.afp.AFPRenderer

org.apache.fop.render.intermediate.IFRenderer

org.apache.fop.render.pdf.PDFRenderer

org.apache.fop.render.ps.PSRenderer

org.apache.fop.render.xml.AbstractXMLRenderer

org.apache.fop.render.xml.XMLRenderer

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