Examples of org.apache.pdfbox.cos.COSArray

org.apache.pdfbox.cos.COSArray
An array of PDFBase objects as part of the PDF document. @author Ben Litchfield @version $Revision: 1.24 $


        //next we need the pages tree structure
        COSDictionary pages = new COSDictionary();
        rootDictionary.setItem( COSName.PAGES, pages );
        pages.setItem( COSName.TYPE, COSName.PAGES );
        COSArray kidsArray = new COSArray();
        pages.setItem( COSName.KIDS, kidsArray );
        pages.setItem( COSName.COUNT, new COSInteger( 0 ) );
    }

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        pageMap = new HashMap();
        // these page nodes could be references to pages, 
        // or references to arrays which have references to pages
        // or references to arrays which have references to arrays which have references to pages
        // or ... (I think you get the idea...)
        COSArray pageNodes = ((COSArrayList)(getDocumentCatalog().getPages().getKids())).toList();
        
        for(int arrayCounter=0; arrayCounter < pageNodes.size(); ++arrayCounter) 
        {
            parseCatalogObject((COSObject)pageNodes.get(arrayCounter));
        }
    }

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            {
                mergeAcroForm(destination, destAcroForm, srcAcroForm);
            }
        }


        COSArray destThreads = (COSArray)destCatalog.getCOSDictionary().getDictionaryObject(
                COSName.getPDFName( "Threads" ));
        COSArray srcThreads = (COSArray)cloneForNewDocument(
                destination,
                destCatalog.getCOSDictionary().getDictionaryObject( COSName.getPDFName( "Threads" )));
        if( destThreads == null )
        {
            destCatalog.getCOSDictionary().setItem( COSName.getPDFName( "Threads" ), srcThreads );
        }
        else
        {
            destThreads.addAll( srcThreads );
        }


        COSName names = COSName.getPDFName( "Names" );
        PDDocumentNameDictionary destNames = destCatalog.getNames();
        PDDocumentNameDictionary srcNames = srcCatalog.getNames();
        if( srcNames != null )
        {
            if( destNames == null )
            {
                destCatalog.getCOSDictionary().setItem( names, cloneForNewDocument( destination, srcNames ) );
            }
            else
            {
                cloneMerge(destination, srcNames, destNames);
            }   
                
        }


        PDDocumentOutline destOutline = destCatalog.getDocumentOutline();
        PDDocumentOutline srcOutline = srcCatalog.getDocumentOutline();
        if( srcOutline != null )
        {
            if( destOutline == null )
            {
                PDDocumentOutline cloned =
                    new PDDocumentOutline( (COSDictionary)cloneForNewDocument( destination, srcOutline ) );
                destCatalog.setDocumentOutline( cloned );
            }
            else
            {
                PDOutlineItem first = srcOutline.getFirstChild();
                PDOutlineItem clonedFirst = new PDOutlineItem( (COSDictionary)cloneForNewDocument(
                        destination, first ));
                destOutline.appendChild( clonedFirst );
            }
        }


        String destPageMode = destCatalog.getPageMode();
        String srcPageMode = srcCatalog.getPageMode();
        if( destPageMode == null )
        {
            destCatalog.setPageMode( srcPageMode );
        }


        COSName pageLabels = COSName.getPDFName( "PageLabels" );
        COSDictionary destLabels = (COSDictionary)destCatalog.getCOSDictionary().getDictionaryObject( pageLabels );
        COSDictionary srcLabels = (COSDictionary)srcCatalog.getCOSDictionary().getDictionaryObject( pageLabels );
        if( srcLabels != null )
        {
            int destPageCount = destination.getNumberOfPages();
            COSArray destNums = null;
            if( destLabels == null )
            {
                destLabels = new COSDictionary();
                destNums = new COSArray();
                destLabels.setItem( COSName.getPDFName( "Nums" ), destNums );
                destCatalog.getCOSDictionary().setItem( pageLabels, destLabels );
            }
            else
            {
                destNums = (COSArray)destLabels.getDictionaryObject( COSName.getPDFName( "Nums" ) );
            }
            COSArray srcNums = (COSArray)srcLabels.getDictionaryObject( COSName.getPDFName( "Nums" ) );
            if (srcNums != null)
            {
                for( int i=0; i<srcNums.size(); i+=2 )
                {
                    COSNumber labelIndex = (COSNumber)srcNums.getObject( i );
                    long labelIndexValue = labelIndex.intValue();
                    destNums.add( new COSInteger( labelIndexValue + destPageCount ) );
                    destNums.add( cloneForNewDocument( destination, srcNums.getObject( i+1 ) ) );
                }
            }
        }


        COSName metadata = COSName.getPDFName( "Metadata" );

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        {
            // we either have an array of page pointers, or an array of arrays
            if(arrayCount == kidsCount) 
            {
                // process the kids... they're all references to pages
                COSArray kidsArray = ((COSArray)kidsBase);
                for(int i=0; i<kidsArray.size(); ++i) 
                {
                    COSObject thisObject = (COSObject)kidsArray.get(i);
                    String objStr = String.valueOf(thisObject.getObjectNumber().intValue());
                    String genStr = String.valueOf(thisObject.getGenerationNumber().intValue());
                    getPageMap().put(objStr+","+genStr, new Integer(getPageMap().size()+1));
                }
            } 
            else 
            {
                // this object is an array of references to other arrays
                COSArray list = null;
                if(kidsBase instanceof COSArray)
                {
                    list = ((COSArray)kidsBase);
                }
                if(list != null) 
                {
                    for(int arrayCounter=0; arrayCounter < list.size(); ++arrayCounter) 
                    {
                        parseCatalogObject((COSObject)list.get(arrayCounter));
                    }
                }
            }
        }
    }

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        {
            //we are done, it has already been converted.
        }
        else if( base instanceof List )
        {
            COSArray array = new COSArray();
            List list = (List)base;
            for( int i=0; i<list.size(); i++ )
            {
                array.add( cloneForNewDocument( destination, list.get( i ) ) );
            }
            retval = array;
        }
        else if( base instanceof COSObjectable && !(base instanceof COSBase) )
        {
            retval = cloneForNewDocument( destination, ((COSObjectable)base).getCOSObject() );
            clonedVersion.put( base, retval );
        }
        else if( base instanceof COSObject )
        {
            COSObject object = (COSObject)base;
            retval = cloneForNewDocument( destination, object.getObject() );
            clonedVersion.put( base, retval );
        }
        else if( base instanceof COSArray )
        {
            COSArray newArray = new COSArray();
            COSArray array = (COSArray)base;
            for( int i=0; i<array.size(); i++ )
            {
                newArray.add( cloneForNewDocument( destination, array.get( i ) ) );
            }
            retval = newArray;
            clonedVersion.put( base, retval );
        }
        else if( base instanceof COSStream )

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          return;
          //we are done, it has already been converted. // ### Is that correct for cloneMerge???
        }
        else if( base instanceof List )
        {
            COSArray array = new COSArray();
            List list = (List)base;
            for( int i=0; i<list.size(); i++ )
            {
                array.add( cloneForNewDocument( destination, list.get( i ) ) );
            }
            ((List)target).add(array);
        }
        else if( base instanceof COSObjectable && !(base instanceof COSBase) )
        {
            cloneMerge(destination, ((COSObjectable)base).getCOSObject(), ((COSObjectable)target).getCOSObject() );
            clonedVersion.put( base, retval );
        }
        else if( base instanceof COSObject )
        {
            cloneMerge(destination, ((COSObject) base).getObject(),((COSObject) target).getObject() );
            clonedVersion.put( base, retval );
        }
        else if( base instanceof COSArray )
        {
            COSArray array = (COSArray)base;
            for( int i=0; i<array.size(); i++ )
            {
              ((COSArray)target).add( cloneForNewDocument( destination, array.get( i ) ) );
            }
            clonedVersion.put( base, retval );
        }
        else if( base instanceof COSStream )
        {

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     *
     * @return A list of PDThread objects.
     */
    public List getThreads()
    {
        COSArray array = (COSArray)root.getDictionaryObject( "Threads" );
        if( array == null )
        {
            array = new COSArray();
            root.setItem( "Threads", array );
        }
        List pdObjects = new ArrayList();
        for( int i=0; i<array.size(); i++ )
        {
            pdObjects.add( new PDThread( (COSDictionary)array.getObject( i ) ) );
        }
        return new COSArrayList( pdObjects, array );
    }

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     */
    public void parse() throws IOException
    {
        try
        {
            COSArray xrefFormat = (COSArray)stream.getDictionaryObject("W");
            COSArray indexArray = (COSArray)stream.getDictionaryObject("Index");
            /*
             * If Index doesn't exist, we will use the default values. 
             */
            if(indexArray == null)
            {
                indexArray = new COSArray();
                indexArray.add(new COSInteger(0));
                indexArray.add(stream.getDictionaryObject("Size"));
            }
            
            ArrayList objNums = new ArrayList();
            
            /*
             * Populates objNums with all object numbers available
             */
            Iterator indexIter = indexArray.iterator();
            while(indexIter.hasNext())
            {
                int objID = ((COSInteger)indexIter.next()).intValue();
                int size = ((COSInteger)indexIter.next()).intValue();
                for(int i = 0; i < size; i++)

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            }        
        }


        COSDocument cosDoc = document.getDocument();
        COSDictionary trailer = cosDoc.getTrailer();
        COSArray idArray = (COSArray)trailer.getDictionaryObject( "ID" );
        if( idArray == null )
        {
            try
            {


                //algothim says to use time/path/size/values in doc to generate
                //the id.  We don't have path or size, so do the best we can
                MessageDigest md = MessageDigest.getInstance( "MD5" );
                md.update( Long.toString( System.currentTimeMillis()).getBytes() );
                COSDictionary info = (COSDictionary)trailer.getDictionaryObject( "Info" );
                if( info != null )
                {
                    Iterator values = info.getValues().iterator();
                    while( values.hasNext() )
                    {
                        md.update( values.next().toString().getBytes() );
                    }
                }
                idArray = new COSArray();
                COSString id = new COSString( md.digest() );
                idArray.add( id );
                idArray.add( id );
                trailer.setItem( "ID", idArray );
            }
            catch( NoSuchAlgorithmException e )
            {
                throw new COSVisitorException( e );

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     * @return The MediaBox at this level in the hierarchy.
     */
    public PDRectangle getMediaBox()
    {
        if( mediaBox == null){
            COSArray array = (COSArray)page.getDictionaryObject( COSName.MEDIA_BOX );
            if( array != null )
            {
              mediaBox = new PDRectangle( array );
            }
        }

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