Examples of org.pdfbox.pdfparser.PDFStreamParser

org.pdfbox.pdfparser.PDFStreamParser
This will parse a PDF byte stream and extract operands and such. @author Ben Litchfield @version $Revision: 1.32 $

                }
                List allPages = document.getDocumentCatalog().getAllPages();
                for( int i=0; i<allPages.size(); i++ )
                {
                    PDPage page = (PDPage)allPages.get( i );
                    PDFStreamParser parser = new PDFStreamParser(page.getContents());
                    parser.parse();
                    List tokens = parser.getTokens();
                    List newTokens = new ArrayList();
                    for( int j=0; j<tokens.size(); j++)
                    {
                        Object token = tokens.get( j );
                        if( token instanceof PDFOperator )

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     *
     * @throws IOException If there is an error parsing the stream.
     */
    public List getStreamTokens() throws IOException
    {
        PDFStreamParser parser = new PDFStreamParser( this );
        parser.parse();
        return parser.getTokens();
    }

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        }
    }
    
    private List getStreamTokens( PDDocument doc, String string ) throws IOException
    {
        PDFStreamParser parser;


        List tokens = null;
        if( string != null )
        {
            ByteArrayInputStream stream = new ByteArrayInputStream( string.getBytes() );
            parser = new PDFStreamParser( stream, doc.getDocument().getScratchFile() );
            parser.parse();
            tokens = parser.getTokens();
        }
        return tokens;
    }

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        return tokens;
    }
    
    private List getStreamTokens( PDDocument doc, COSStream stream ) throws IOException
    {
        PDFStreamParser parser;


        List tokens = null;
        if( stream != null )
        {
            parser = new PDFStreamParser( stream );
            parser.parse();
            tokens = parser.getTokens();
        }
        return tokens;
    }

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    public List getStreamTokens() throws IOException
    {
        List retval = null;
        if( streams.size() > 0 )
        {
            PDFStreamParser parser = new PDFStreamParser( this );
            parser.parse();
            retval = parser.getTokens();
        }
        else
        {
            retval = new ArrayList();
        }

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        return tokens;
    }
    
    private List getStreamTokens( COSString string ) throws IOException
    {
        PDFStreamParser parser;


        List tokens = null;
        if( string != null )
        {
            ByteArrayInputStream stream = new ByteArrayInputStream( string.getBytes() );
            parser = new PDFStreamParser( stream, acroForm.getDocument().getDocument().getScratchFile() );
            parser.parse();
            tokens = parser.getTokens();
        }
        return tokens;
    }

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        return tokens;
    }
    
    private List getStreamTokens( COSStream stream ) throws IOException
    {
        PDFStreamParser parser;


        List tokens = null;
        if( stream != null )
        {
            parser = new PDFStreamParser( stream );
            parser.parse();
            tokens = parser.getTokens();
        }
        return tokens;
    }

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        }
        printWriter.println( "BT" );
        if( defaultAppearance != null )
        {
            String daString = defaultAppearance.getString();
            PDFStreamParser daParser = new PDFStreamParser(new ByteArrayInputStream( daString.getBytes() ), null );
            daParser.parse();
            List daTokens = daParser.getTokens();
            fontSize = calculateFontSize( pdFont, boundingBox, tokens, daTokens );
            int fontIndex = daTokens.indexOf( PDFOperator.getOperator( "Tf" ) );
            if(fontIndex != -1 )
            {
                daTokens.set( fontIndex-1, new COSFloat( fontSize ) );

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            COSString da = getDefaultAppearance();
            if( da != null )
            {
                String data = da.getString();
                PDFStreamParser streamParser = new PDFStreamParser(
                        new ByteArrayInputStream( data.getBytes() ), null );
                streamParser.parse();
                tokens = streamParser.getTokens();
            }


            int setFontIndex = tokens.indexOf( PDFOperator.getOperator( "Tf" ));
            COSName cosFontName = (COSName)tokens.get( setFontIndex-2 );
            String fontName = cosFontName.getName();

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            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 )
                    {

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