Example usage for com.lowagie.text.pdf PRTokeniser PRTokeniser

Introduction

In this page you can find the example usage for com.lowagie.text.pdf PRTokeniser PRTokeniser.

Prototype

public PRTokeniser(RandomAccessFileOrArray file) 

Source Link

Usage

From source file:org.signserver.module.pdfsigner.PDFSigner.java

License:Open Source License

private void checkForDuplicateObjects(byte[] pdfbytes) throws IOException, SignServerException {
    if (LOG.isDebugEnabled()) {
        LOG.debug(">checkForDuplicateObjects");
    }/*w ww  .j a v  a 2s. c om*/
    final PRTokeniser tokens = new PRTokeniser(pdfbytes);
    final Set<String> idents = new HashSet<String>();
    final byte[] line = new byte[16];

    while (tokens.readLineSegment(line)) {
        final int[] obj = PRTokeniser.checkObjectStart(line);
        if (obj != null) {
            final String ident = obj[0] + " " + obj[1];

            if (idents.add(ident)) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Object: " + ident);
                }
            } else {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Duplicate object: " + ident);
                }
                throw new SignServerException("Incorrect document");
            }
        }
    }
    if (LOG.isDebugEnabled()) {
        LOG.debug("<checkForDuplicateObjects");
    }
}

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From source file:util.PdfUtil.java

License:Open Source License

public String processText(PdfReader reader) throws RedbasinException {
    //Reads in the pdf Template
    StringBuffer sb = new StringBuffer();
    try {/* w w  w . ja v  a 2s .c  o  m*/
        //System.out.println("Number of pages = " + reader.getNumberOfPages());
        int numPages = reader.getNumberOfPages();
        for (int i = 1; i <= numPages; i++) {
            byte[] b = reader.getPageContent(i);
            PRTokeniser token = new PRTokeniser(b);
            //System.out.println("Page " + i);
            while (token.nextToken()) {
                if (token.getTokenType() == 2) {
                    sb.append(token.getStringValue());
                    //System.out.print(token.getStringValue() + " ");
                }
            }
            //System.out.println();
        }
        /*
        PdfStamper stamp = new PdfStamper(reader, new FileOutputStream("aNewPDF.pdf"));
        AcroFields form = stamp.getAcroFields();
        */
        /*
        Map fields = reader.getAcroFields().getFields();
        Iterator iter = fields.keySet().iterator();
        System.out.println("Printing fields" + fields.size());
        while (iter.hasNext()) {
            Object fobj = iter.next();
            Object fval = fields.get(fobj);
            System.out.println("Field = " + fobj.toString() + "Value = " + fobj.toString());
        }
         */

        //set the field values in the pdf form
        /*
        form.setField("fieldName", "aValue");
        stamp.setFormFlattening(true);
        stamp.close();
         * */
    } catch (Exception e) {
        throw new RedbasinException("Some pdf error occurred", e);
    }
    return sb.toString();
}

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