Examples of org.apache.pdfbox.pdfwriter.COSWriter

org.apache.pdfbox.pdfwriter.COSWriter
this class acts on a in-memory representation of a pdf document. todo no support for incremental updates todo single xref section only todo no linearization @author Michael Traut @author Ben Litchfield @version $Revision: 1.36 $

     */
    public void save( OutputStream output ) throws IOException, COSVisitorException
    {
        //update the count in case any pages have been added behind the scenes.
        getDocumentCatalog().getPages().updateCount();
        COSWriter writer = null;
        try
        {
            writer = new COSWriter( output );
            writer.write( this );
            writer.close();
        }
        finally
        {
            if( writer != null )
            {
                writer.close();
            }
        }
    }

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     */
    public void saveIncremental( FileInputStream input, OutputStream output ) throws IOException, COSVisitorException
    {
        //update the count in case any pages have been added behind the scenes.
        getDocumentCatalog().getPages().updateCount();
        COSWriter writer = null;
        try
        {
            // Sometimes the original file will be missing a newline at the end
            // In order to avoid having %%EOF the first object on the same line
            // as the %%EOF, we put a newline here.  If there's already one at
            // the end of the file, an extra one won't hurt. PDFBOX-1051
            output.write("\r\n".getBytes());
            writer = new COSWriter( output, input );
            writer.write( this );
            writer.close();
        }
        finally
        {
            if( writer != null )
            {
                writer.close();
            }
        }
    }

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    */
    public ByteArrayInputStream getTemplateAppearanceStream() throws IOException, COSVisitorException
    {
        COSDocument visualSignature = getVisualSignature();
        ByteArrayOutputStream memoryOut = new ByteArrayOutputStream();
        COSWriter memoryWriter = new COSWriter(memoryOut);
        memoryWriter.write(visualSignature);


        ByteArrayInputStream input = new ByteArrayInputStream(memoryOut.toByteArray());


        getTemplate().close();

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        merger.appendDocument(destination, tmpDocument);
      }


      ByteArrayOutputStream bos = new ByteArrayOutputStream();


      COSWriter writer = new COSWriter(bos);
      writer.write(destination);


      for (PDDocument doc : list) {
        doc.close();
      }

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      InputStream[] array = new InputStream[list.size()];


      for (int i = 0; i < list.size(); i++) {
        PDDocument d = list.get(i);
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        COSWriter writer = new COSWriter(bos);
        writer.write(d);
        array[i] = new ByteArrayInputStream(bos.toByteArray());
        d.close();
      }
      document.close();

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     */
    public void save( OutputStream output ) throws IOException, COSVisitorException
    {
        //update the count in case any pages have been added behind the scenes.
        getDocumentCatalog().getPages().updateCount();
        COSWriter writer = null;
        try
        {
            writer = new COSWriter( output );
            writer.write( this );
            writer.close();
        }
        finally
        {
            if( writer != null )
            {
                writer.close();
            }
        }
    }

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     */
    public void saveIncremental( FileInputStream input, OutputStream output ) throws IOException, COSVisitorException
    {
        //update the count in case any pages have been added behind the scenes.
        getDocumentCatalog().getPages().updateCount();
        COSWriter writer = null;
        try
        {
            // Sometimes the original file will be missing a newline at the end
            // In order to avoid having %%EOF the first object on the same line
            // as the %%EOF, we put a newline here.  If there's already one at
            // the end of the file, an extra one won't hurt. PDFBOX-1051
            output.write("\r\n".getBytes());
            writer = new COSWriter( output, input );
            writer.write( this );
            writer.close();
        }
        finally
        {
            if( writer != null )
            {
                writer.close();
            }
        }
    }

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    }


    private static final void writeDocument( PDDocument doc, String fileName ) throws IOException, COSVisitorException
    {
        FileOutputStream output = null;
        COSWriter writer = null;
        try
        {
            output = new FileOutputStream( fileName );
            writer = new COSWriter( output );
            writer.write( doc );
        }
        finally
        {
            if( output != null )
            {
                output.close();
            }
            if( writer != null )
            {
                writer.close();
            }
        }
    }

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    @Override
    public void testAccept()
    {
        ByteArrayOutputStream outStream = new ByteArrayOutputStream();
        ICOSVisitor visitor = new COSWriter(outStream);
        COSString testSubj = new COSString(ESC_CHAR_STRING);
        try
        {
            testSubj.accept(visitor);
            assertEquals("(" + ESC_CHAR_STRING_PDF_FORMAT + ")", outStream.toString());

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     * @throws IOException If there is an error writing the document.
     * @throws COSVisitorException If an error occurs while generating the data.
     */
    public void save( OutputStream output ) throws IOException, COSVisitorException
    {
        COSWriter writer = null;
        try
        {
            writer = new COSWriter( output );
            writer.write( document );
            writer.close();
        }
        finally
        {
            if( writer != null )
            {
                writer.close();
            }
        }
    }

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