Package org.pdfbox.pdmodel

Examples of org.pdfbox.pdmodel.PDDocument

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     * @throws IOException If there is an error writing the data.
     * @throws COSVisitorException If there is an error while generating the document.
     */
    public void create( String file ) throws IOException, COSVisitorException
    {
        PDDocument document = null;
        try
        {
            document = new PDDocument();
            //Every document requires at least one page, so we will add one
            //blank page.
            PDPage blankPage = new PDPage();
            document.addPage( blankPage );
            document.save( file );
        }
        finally
        {
            if( document != null )
            {
                document.close();
            }
        }
    }
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     *
     * @throws IOException If there is an problem creating the new document.
     */
    protected void createNewDocument() throws IOException
    {
        currentDocument = new PDDocument();
        currentDocument.setDocumentInformation(pdfDocument.getDocumentInformation());
        currentDocument.getDocumentCatalog().setViewerPreferences(
        pdfDocument.getDocumentCatalog().getViewerPreferences());
        newDocuments.add(currentDocument);
    }
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        {
            usage();
        }
        else
        {
            PDDocument document = null;
            try
            {
                document = PDDocument.load( args[0] );
                if( document.isEncrypted() )
                {
                    throw new IOException( "Encrypted documents are not supported for this example" );
                }
                if( document.getNumberOfPages() <= 1 )
                {
                    throw new IOException( "Error: A PDF document must have at least one page, " +
                                           "cannot remove the last page!");
                }
                document.removePage( 0 );
                document.save( args[1] );
            }
            finally
            {
                if( document != null )
                {
                    document.close();
                }
            }
        }
    }
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        {
            usage();
        }
        else
        {
            PDDocument document = null;
            try
            {
                document = PDDocument.load( args[0] );
                PDActionJavaScript javascript = new PDActionJavaScript(
                    "app.alert( {cMsg: 'PDFBox rocks!', nIcon: 3, nType: 0, cTitle: 'PDFBox Javascript example' } );");
                document.getDocumentCatalog().setOpenAction( javascript );
                if( document.isEncrypted() )
                {
                    throw new IOException( "Encrypted documents are not supported for this example" );
                }
                document.save( args[1] );
            }
            finally
            {
                if( document != null )
                {
                    document.close();
                }
            }
        }
    }
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     * @throws COSVisitorException If there is an error writing the PDF.
     */
    public void doIt( String file) throws IOException, COSVisitorException
    {
        // the document
        PDDocument doc = null;
        try
        {
            doc = new PDDocument();
           
            PDPage page = new PDPage();
            doc.addPage( page );
           
            PDPageContentStream contentStream = new PDPageContentStream(doc, page);
            //first fill the entire background with cyan
            contentStream.setNonStrokingColor( Color.CYAN );
            contentStream.fillRect( 0,0, page.findMediaBox().getWidth(), page.findMediaBox().getHeight() );
           
            //then draw a red box in the lower left hand corner
            contentStream.setNonStrokingColor( Color.RED );
            contentStream.fillRect( 10, 10, 100, 100 );
           
            contentStream.close();
            doc.save( file );
        }
        finally
        {
            if( doc != null )
            {
                doc.close();
            }
        }
    }
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        {
            usage();
        }
        else
        {
            PDDocument document = null;
            try
            {
                document = PDDocument.load( args[0] );
                if( document.isEncrypted() )
                {
                    System.err.println( "Error: Cannot add bookmarks to encrypted document." );
                    System.exit( 1 );
                }
                PDDocumentOutline outline =  new PDDocumentOutline();
                document.getDocumentCatalog().setDocumentOutline( outline );
                PDOutlineItem pagesOutline = new PDOutlineItem();
                pagesOutline.setTitle( "All Pages" );
                outline.appendChild( pagesOutline );
                List pages = document.getDocumentCatalog().getAllPages();
                for( int i=0; i<pages.size(); i++ )
                {
                    PDPage page = (PDPage)pages.get( i );
                    PDPageFitWidthDestination dest = new PDPageFitWidthDestination();
                    dest.setPage( page );
                    PDOutlineItem bookmark = new PDOutlineItem();
                    bookmark.setDestination( dest );
                    bookmark.setTitle( "Page " + (i+1) );
                    pagesOutline.appendChild( bookmark );
                }
                pagesOutline.openNode();
                outline.openNode();
               
                document.save( args[1] );
            }
            finally
            {
                if( document != null )
                {
                    document.close();
                }
            }
        }
    }
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     */
    public void doIt( String inputFile, String outputFile, String strToFind, String message)
        throws IOException, COSVisitorException
    {
        // the document
        PDDocument doc = null;
        try
        {
            doc = PDDocument.load( inputFile );
            List pages = doc.getDocumentCatalog().getAllPages();
            for( int i=0; i<pages.size(); i++ )
            {
                PDPage page = (PDPage)pages.get( i );
                PDStream contents = page.getContents();
                PDFStreamParser parser = new PDFStreamParser(contents.getStream() );
                parser.parse();
                List tokens = parser.getTokens();
                for( int j=0; j<tokens.size(); j++ )
                {
                    Object next = tokens.get( j );
                    if( next instanceof PDFOperator )
                    {
                        PDFOperator op = (PDFOperator)next;
                        //Tj and TJ are the two operators that display
                        //strings in a PDF
                        if( op.getOperation().equals( "Tj" ) )
                        {
                            //Tj takes one operator and that is the string
                            //to display so lets update that operator
                            COSString previous = (COSString)tokens.get( j-1 );
                            String string = previous.getString();
                            string = string.replaceFirst( strToFind, message );
                            previous.reset();
                            previous.append( string.getBytes() );
                        }
                        else if( op.getOperation().equals( "TJ" ) )
                        {
                            COSArray previous = (COSArray)tokens.get( j-1 );
                            for( int k=0; k<previous.size(); k++ )
                            {
                                Object arrElement = previous.getObject( k );
                                if( arrElement instanceof COSString )
                                {
                                    COSString cosString = (COSString)arrElement;
                                    String string = cosString.getString();
                                    string = string.replaceFirst( strToFind, message );
                                    cosString.reset();
                                    cosString.append( string.getBytes() );                                   
                                }
                            }
                        }
                    }
                }
                //now that the tokens are updated we will replace the
                //page content stream.
                PDStream updatedStream = new PDStream(doc);
                OutputStream out = updatedStream.createOutputStream();
                ContentStreamWriter tokenWriter = new ContentStreamWriter(out);
                tokenWriter.writeTokens( tokens );
                page.setContents( updatedStream );
            }
            doc.save( outputFile );
        }
        finally
        {
            if( doc != null )
            {
                doc.close();
            }
        }
    }
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        exporter.exportXFDF( args );
    }

    private void exportXFDF( String[] args ) throws Exception
    {
        PDDocument pdf = null;
        FDFDocument fdf = null;

        try
        {
            if( args.length != 1 && args.length != 2 )
            {
                usage();
            }
            else
            {
                pdf = PDDocument.load( args[0] );
                PDAcroForm form = pdf.getDocumentCatalog().getAcroForm();
                if( form == null )
                {
                    System.err.println( "Error: This PDF does not contain a form." );
                }
                else
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                if( prefix == null && pdfFile.length() >4 )
                {
                    prefix = pdfFile.substring( 0, pdfFile.length() -4 );
                }
   
                PDDocument document = null;
   
                try
                {
                    document = PDDocument.load( pdfFile );
   
                    if( document.isEncrypted() )
                    {
                   
                        StandardDecryptionMaterial spm = new StandardDecryptionMaterial(password);
                        document.openProtection(spm);
                        AccessPermission ap = document.getCurrentAccessPermission();
                           
                       
                        if( ! ap.canExtractContent() )
                        {
                            throw new IOException(
                                "Error: You do not have permission to extract images." );
                        }
                    }
                   
                    List pages = document.getDocumentCatalog().getAllPages();
                    Iterator iter = pages.iterator();
                    while( iter.hasNext() )
                    {
                        PDPage page = (PDPage)iter.next();
                        PDResources resources = page.getResources();
                        Map images = resources.getImages();
                        if( images != null )
                        {
                            Iterator imageIter = images.keySet().iterator();
                            while( imageIter.hasNext() )
                            {
                                String key = (String)imageIter.next();
                                PDXObjectImage image = (PDXObjectImage)images.get( key );
                                String name = getUniqueFileName( key, image.getSuffix() );
                                System.out.println( "Writing image:" + name );
                                image.write2file( name );
                            }
                        }
                    }
                }
                finally
                {
                    if( document != null )
                    {
                        document.close();
                    }
                }
            }
        }
    }
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        }
        else
        {

            InputStream input = null;
            PDDocument document = null;
            List documents = null;
            try
            {
                input = new FileInputStream( pdfFile );
                document = parseDocument( input );
   
                if( document.isEncrypted() )
                {
                    try
                    {
                        document.decrypt( password );
                    }
                    catch( InvalidPasswordException e )
                    {
                        if( args.length == 4 )//they supplied the wrong password
                        {
                            System.err.println( "Error: The supplied password is incorrect." );
                            System.exit( 2 );
                        }
                        else
                        {
                            //they didn't suppply a password and the default of "" was wrong.
                            System.err.println( "Error: The document is encrypted." );
                            usage();
                        }
                    }
                }
   
                splitter.setSplitAtPage( Integer.parseInt( split ) );
                documents = splitter.split( document );
                for( int i=0; i<documents.size(); i++ )
                {
                    PDDocument doc = (PDDocument)documents.get( i );
                    String fileName = pdfFile.substring(0, pdfFile.length()-4 ) + "-" + i + ".pdf";
                    writeDocument( doc, fileName );
                    doc.close();
                }
   
            }
            finally
            {
                if( input != null )
                {
                    input.close();
                }
                if( document != null )
                {
                    document.close();
                }
                for( int i=0; documents != null && i<documents.size(); i++ )
                {
                    PDDocument doc = (PDDocument)documents.get( i );
                    doc.close();
                }
            }
        }
    }
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