Examples of org.pdfbox.cos.COSArray

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

                this.willEncrypt = false;
        }
                
        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 A list of java.lang.String values.
     */
    public List getOptions()
    {
        List retval = null;
        COSArray array = (COSArray)getDictionary().getDictionaryObject( COSName.getPDFName( "Opt" ) );
        if( array != null )
        {
            List strings = new ArrayList();
            for( int i=0; i<array.size(); i++ )
            {
                strings.add( ((COSString)array.getObject( i )).getString() );
            }
            retval = new COSArrayList( strings, array );
        }
        return retval;
    }

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                compoundStream.appendStream( contentsToAppend.getStream());
            }
            else
            {
                // Creates the COSStreamArray and adds the current stream plus a new one to it 
                COSArray newArray = new COSArray();
                newArray.add(contents.getCOSObject());
                newArray.add(contentsToAppend.getCOSObject());
                compoundStream = new COSStreamArray(newArray);                
            }
            
            if( compress )
            {

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     *   of the existing options.
     */
    public void setValue(String optionValue) throws IOException
    {
        int indexSelected = -1;
        COSArray options = (COSArray)getDictionary().getDictionaryObject( "Opt" );
        if( options.size() == 0 )
        {
            throw new IOException( "Error: You cannot set a value for a choice field if there are no options." );
        }
        else
        {
            COSBase option = options.getObject( 0 );
            if( option instanceof COSArray )
            {
                for( int i=0; i<options.size() && indexSelected == -1; i++ )
                {
                    COSArray keyValuePair = (COSArray)options.get( i );
                    COSString key = (COSString)keyValuePair.getObject( 0 );
                    COSString value = (COSString)keyValuePair.getObject( 1 );
                    if( optionValue.equals( key.getString() ) || optionValue.equals( value.getString() ) )
                    {
                        //have the parent draw the appearance stream with the value
                        super.setValue( value.getString() );
                        //but then use the key as the V entry
                        getDictionary().setItem( COSName.getPDFName( "V" ), key );
                        indexSelected = i;
                    }
                }
            }
            else
            {
                for( int i=0; i<options.size() && indexSelected == -1; i++ )
                {
                    COSString value = (COSString)options.get( i );
                    if( optionValue.equals( value.getString() ) )
                    {
                        super.setValue( optionValue );
                        indexSelected = i;
                    }
                }
            }
        }
        if( indexSelected == -1 )
        {
            throw new IOException( "Error: '" + optionValue + "' was not an available option.");
        }
        else
        {
            COSArray indexArray = (COSArray)getDictionary().getDictionaryObject( "I" );
            if( indexArray != null )
            {
                indexArray.clear();
                indexArray.add( new COSInteger( indexSelected ) );
            }
        }
    }

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     * @throws IOException If there is an error creating the field.
     */
    public PDField findKid( String[] name, int nameIndex ) throws IOException
    {
        PDField retval = null;
        COSArray kids = (COSArray)getDictionary().getDictionaryObject( COSName.KIDS );
        if( kids != null )
        {
            for (int i = 0; retval == null && i < kids.size(); i++)
            {
                COSDictionary kidDictionary = (COSDictionary)kids.getObject(i);
                if( name[nameIndex].equals( kidDictionary.getString( "T" ) ) )
                {
                    retval = PDFieldFactory.createField( acroForm, kidDictionary );
                    if( name.length > nameIndex+1 )
                    {

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     * @throws IOException If there is an error retrieving the kids.
     */
    public List getKids() throws IOException
    {
        List retval = null;
        COSArray kids = (COSArray)getDictionary().getDictionaryObject(COSName.KIDS);
        if( kids != null )
        {
            List kidsList = new ArrayList();
            for (int i = 0; i < kids.size(); i++)
            {
                COSDictionary kidDictionary = (COSDictionary)kids.getObject(i);
                COSDictionary parent = (COSDictionary)kidDictionary.getDictionaryObject( "Parent" );
                if( kidDictionary.getDictionaryObject( "FT" ) != null ||
                    (parent != null && parent.getDictionaryObject( "FT" ) != null ) )
                {
                    kidsList.add( PDFieldFactory.createField( acroForm, kidDictionary ));

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     *
     * @param kids The list of child widgets.
     */
    public void setKids( List kids )
    {
        COSArray kidsArray = COSArrayList.converterToCOSArray( kids );
        getDictionary().setItem( COSName.KIDS, kidsArray );
    }

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     * @return The part of the page that this bead covers.
     */
    public PDRectangle getRectangle()
    {
        PDRectangle rect = null;
        COSArray array = (COSArray)bead.getDictionaryObject( COSName.R );
        if( array != null )
        {
            rect = new PDRectangle( array );
        }
        return rect;

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        else
        {
            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
            {
                //warning, potential for collision here!!
                destNames.getCOSDictionary().mergeInto( (COSDictionary)cloneForNewDocument( destination, srcNames ) );
            }
        }
        
        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" ) );
            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" );
        COSStream destMetadata = (COSStream)destCatalog.getCOSDictionary().getDictionaryObject( metadata );

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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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