Example usage for org.apache.pdfbox.pdmodel PDDocument load

Introduction

In this page you can find the example usage for org.apache.pdfbox.pdmodel PDDocument load.

Prototype

public static PDDocument load(byte[] input) throws IOException 

Source Link

Document

Parses a PDF.

Usage

From source file:org.nuxeo.pdf.test.PDFWatermarkingTest.java

License:Open Source License

protected void checkHasImage(Blob inBlob, int inExpectedWidth, int inExpectedHeight) throws Exception {

    PDDocument doc = PDDocument.load(inBlob.getStream());
    utils.track(doc);/* w w w . j  a  va 2  s  . c  om*/

    List<?> allPages = doc.getDocumentCatalog().getAllPages();
    int max = allPages.size();
    for (int i = 1; i < max; i++) {
        PDPage page = (PDPage) allPages.get(i);

        PDResources pdResources = page.getResources();
        Map<String, PDXObject> allXObjects = pdResources.getXObjects();
        assertNotNull(allXObjects);

        boolean gotIt = false;
        for (Map.Entry<String, PDXObject> entry : allXObjects.entrySet()) {
            PDXObject xobject = entry.getValue();
            if (xobject instanceof PDXObjectImage) {
                PDXObjectImage pdxObjectImage = (PDXObjectImage) xobject;
                if (inExpectedWidth == pdxObjectImage.getWidth()
                        && inExpectedHeight == pdxObjectImage.getHeight()) {
                    gotIt = true;
                    break;
                }
            }
        }
        assertTrue("Page " + i + "does not have the image", gotIt);
    }

    doc.close();
    utils.untrack(doc);
}

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From source file:org.nuxeo.webpage.archiver.test.Utils.java

License:Open Source License

public static boolean hasText(Blob inBlob, String inText) throws IOException {

    boolean hasIt = false;
    PDDocument pdfDoc = null;//from w  w w  .  j  a  v  a2 s  . com

    try {
        pdfDoc = PDDocument.load(inBlob.getFile());
        PDFTextStripper stripper = new PDFTextStripper();
        String txt;
        int max = pdfDoc.getNumberOfPages();
        for (int i = 1; i <= max; ++i) {
            stripper.setStartPage(i);
            stripper.setEndPage(i);
            txt = stripper.getText(pdfDoc);
            if (txt.indexOf(inText) > -1) {
                hasIt = true;
                break;
            }
        }
    } finally {
        if (pdfDoc != null) {
            pdfDoc.close();
        }
    }

    return hasIt;
}

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From source file:org.nuxeo.webpage.archiver.WebpageToBlob.java

License:Apache License

protected boolean pdfLooksValid(File inPdf) {

    boolean valid = false;

    if (inPdf.exists() && inPdf.length() > 0) {
        PDDocument pdfDoc = null;/*  w  w  w.j a va2s  .com*/
        try {
            pdfDoc = PDDocument.load(inPdf);
            if (pdfDoc.getNumberOfPages() > 0) {
                valid = true;
            }
        } catch (IOException e) {
            // Nothing
        } finally {
            if (pdfDoc != null) {
                try {
                    pdfDoc.close();
                } catch (IOException e) {
                    // Ignore
                }
            }
        }
    }

    return valid;
}

---

From source file:org.ochan.control.ThumbnailController.java

License:Open Source License

@SuppressWarnings("unchecked")
private BufferedImage takeCaptureOfPDFPage1(byte[] data) {
    try {/*  w w  w . j  ava 2  s  . c om*/
        ByteArrayInputStream bais = new ByteArrayInputStream(data);
        PDDocument document = PDDocument.load(bais);
        // get the first page.
        List<PDPage> pages = (List<PDPage>) document.getDocumentCatalog().getAllPages();
        PDPage page = pages.get(0);
        BufferedImage image = page.convertToImage();
        document.close();
        return image;
    } catch (Exception e) {
        LOG.error("Unable to convert pdf page 1 into godlike image", e);
    }
    return null;
}

---

From source file:org.olanto.converter.ConverterFactoryPDF.java

License:Open Source License

@Override
public void startConvertion() {
    _logger.debug("Start converting " + source.getName());

    boolean sort = true;
    String fixEncoding = "UTF-8";
    Charset encoding = Charset.forName(fixEncoding);
    int startPage = 1;
    int endPage = Integer.MAX_VALUE;

    Writer output = null;//from  ww w  . jav  a  2  s  .co  m
    Writer outputFile = null;
    PDDocument document = null;
    try {
        document = PDDocument.load(source);

        //            if (document.isEncrypted()) {
        //                _logger.warn("Try to extract text from encrypted document :" + source.getAbsolutePath());
        //                document.decrypt(password);
        //            }

        PDFTextStripper stripper = null;
        if (outputFormat.equalsIgnoreCase(Constants.HTML) || outputFormat.equalsIgnoreCase(Constants.HTM)) {
            stripper = new PDFText2HTML(fixEncoding);
        } else if (outputFormat.equalsIgnoreCase(Constants.TXT)) {
            stripper = new PDFTextStripper(fixEncoding);
        } else {
            _logger.warn("Could not convert PDF file to " + outputFormat);
        }

        if (stripper != null) {
            _logger.debug("open stripper : " + encoding.name());
            stripper.setSortByPosition(sort);
            stripper.setStartPage(startPage);
            stripper.setEndPage(endPage);

            ByteArrayOutputStream buf = new ByteArrayOutputStream();
            output = new OutputStreamWriter(buf, encoding);
            output.write(stripper.getText(document));
            output.flush();

            outputFile = new OutputStreamWriter(new FileOutputStream(target), encoding);
            outputFile.write(buf.toString(encoding.name()));
            buf = null;
            success = true;
            _logger.debug("(writed) file : " + target.getAbsolutePath());
        } else {
            _logger.debug("Destination format not yet implemented");
        }

        //        } catch (CryptographyException ex) {
        //            _logger.error("(Error while decripting) file : " + source.getAbsolutePath(), ex);
        //        } catch (InvalidPasswordException ex) {
        //            _logger.error("(Bad password) file : " + source.getAbsolutePath(), ex);
    } catch (IOException ex) {
        _logger.error("(rejected cannot be opened) file : " + source.getAbsolutePath(), ex);
        success = false;
    } catch (Exception ex) {
        _logger.error("(rejected) file : " + source.getAbsolutePath(), ex);
        success = false;
    } finally {
        try {
            _logger.debug("(closing) file : " + target.getAbsolutePath());
            if (outputFile != null) {
                outputFile.close();
            }
            if (output != null) {
                output.close();
            }
            if (document != null) {
                document.close();
            }
        } catch (IOException e) {
            _logger.error("Could not close document", e);
        }
    }
}

---

From source file:org.olat.core.commons.services.image.spi.ImageHelperImpl.java

License:Apache License

@Override
public Size thumbnailPDF(VFSLeaf pdfFile, VFSLeaf thumbnailFile, int maxWidth, int maxHeight) {
    InputStream in = null;//w  ww .  jav a  2 s. c om
    PDDocument document = null;
    try {
        WorkThreadInformations.setInfoFiles(null, pdfFile);
        WorkThreadInformations.set("Generate thumbnail VFSLeaf=" + pdfFile);
        in = pdfFile.getInputStream();
        document = PDDocument.load(in);
        if (document.isEncrypted()) {
            try {
                document.decrypt("");
            } catch (Exception e) {
                log.info("PDF document is encrypted: " + pdfFile);
                throw new CannotGenerateThumbnailException("PDF document is encrypted: " + pdfFile);
            }
        }
        List pages = document.getDocumentCatalog().getAllPages();
        PDPage page = (PDPage) pages.get(0);
        BufferedImage image = page.convertToImage(BufferedImage.TYPE_INT_BGR, 72);
        Size size = scaleImage(image, thumbnailFile, maxWidth, maxHeight);
        if (size != null) {
            return size;
        }
        return null;
    } catch (CannotGenerateThumbnailException e) {
        return null;
    } catch (Exception e) {
        log.warn("Unable to create image from pdf file.", e);
        return null;
    } finally {
        WorkThreadInformations.unset();
        FileUtils.closeSafely(in);
        if (document != null) {
            try {
                document.close();
            } catch (IOException e) {
                //only a try, fail silently
            }
        }
    }
}

---

From source file:org.olat.core.commons.services.thumbnail.impl.PDFToThumbnail.java

License:Apache License

@Override
public FinalSize generateThumbnail(VFSLeaf pdfFile, VFSLeaf thumbnailFile, int maxWidth, int maxHeight)
        throws CannotGenerateThumbnailException {
    InputStream in = null;/*from   ww  w . jav a2s.co  m*/
    PDDocument document = null;
    try {
        in = pdfFile.getInputStream();
        document = PDDocument.load(in);
        if (document.isEncrypted()) {
            try {
                document.decrypt("");
            } catch (Exception e) {
                log.info("PDF document is encrypted: " + pdfFile);
                throw new CannotGenerateThumbnailException("PDF document is encrypted: " + pdfFile);
            }
        }
        List pages = document.getDocumentCatalog().getAllPages();
        PDPage page = (PDPage) pages.get(0);
        BufferedImage image = page.convertToImage(BufferedImage.TYPE_INT_BGR, 72);
        Size size = ImageHelper.scaleImage(image, thumbnailFile, maxWidth, maxHeight);
        return new FinalSize(size.getWidth(), size.getWidth());

    } catch (CannotGenerateThumbnailException e) {
        throw e;
    } catch (Exception e) {
        log.warn("Unable to create image from pdf file.", e);
        throw new CannotGenerateThumbnailException(e);
    } finally {
        FileUtils.closeSafely(in);
        if (document != null) {
            try {
                document.close();
            } catch (IOException e) {
                // only a try, fail silently
            }
        }
    }
}

---

From source file:org.olat.course.certificate.manager.CertificatePDFFormWorker.java

License:Apache License

public File fill(CertificateTemplate template, File destinationDir, String certificateFilename) {
    PDDocument document = null;//www  .  ja v a 2 s . c  o  m
    InputStream templateStream = null;
    try {
        File templateFile = null;
        if (template != null) {
            templateFile = certificatesManager.getTemplateFile(template);
        }

        if (templateFile != null && templateFile.exists()) {
            templateStream = new FileInputStream(templateFile);
        } else {
            templateStream = CertificatesManager.class.getResourceAsStream("template.pdf");
        }

        document = PDDocument.load(templateStream);

        PDDocumentCatalog docCatalog = document.getDocumentCatalog();
        PDAcroForm acroForm = docCatalog.getAcroForm();
        if (acroForm != null) {
            fillUserProperties(acroForm);
            fillRepositoryEntry(acroForm);
            fillCertificationInfos(acroForm);
            fillAssessmentInfos(acroForm);
        }
        if (!destinationDir.exists()) {
            destinationDir.mkdirs();
        }

        File certificateFile = new File(destinationDir, certificateFilename);
        OutputStream out = new FileOutputStream(certificateFile);
        document.save(out);
        out.flush();
        out.close();
        return certificateFile;
    } catch (Exception e) {
        log.error("", e);
        return null;
    } finally {
        IOUtils.closeQuietly(document);
        IOUtils.closeQuietly(templateStream);
    }
}

---

From source file:org.olat.course.certificate.ui.UploadCertificateController.java

License:Apache License

private boolean validatePdf(File template) {
    boolean allOk = true;

    PDDocument document = null;//  www  .  jav a  2s  . c om
    try (InputStream in = Files.newInputStream(template.toPath())) {
        document = PDDocument.load(in);
        if (document.isEncrypted()) {
            fileEl.setErrorKey("upload.error.encrypted", null);
            allOk &= false;
        } else {
            //check if we can write the form
            PDDocumentCatalog docCatalog = document.getDocumentCatalog();
            PDAcroForm acroForm = docCatalog.getAcroForm();
            if (acroForm != null) {
                @SuppressWarnings("unchecked")
                List<PDField> fields = acroForm.getFields();
                for (PDField field : fields) {
                    field.setValue("test");
                }
            }
            document.save(new DevNullOutputStream());
        }
    } catch (IOException ex) {
        logError("", ex);
        if (ex.getMessage() != null
                && ex.getMessage().contains("Don't know how to calculate the position for non-simple fonts")) {
            fileEl.setErrorKey("upload.error.simplefonts", null);
        } else {
            fileEl.setErrorKey("upload.unkown.error", null);
        }
        allOk &= false;
    } catch (Exception ex) {
        logError("", ex);
        fileEl.setErrorKey("upload.unkown.error", null);
        allOk &= false;
    } finally {
        IOUtils.closeQuietly(document);
    }

    return allOk;
}

---

From source file:org.olat.search.service.document.file.pdf.PdfBoxExtractor.java

License:Apache License

private FileContent extractTextFromPdf(VFSLeaf leaf) throws IOException, DocumentAccessException {
    if (log.isDebug())
        log.debug("readContent from pdf starts...");
    PDDocument document = null;/* w w  w  .j a  v a2 s  .  com*/
    BufferedInputStream bis = null;
    try {
        bis = new BufferedInputStream(leaf.getInputStream());
        document = PDDocument.load(bis);
        if (document.isEncrypted()) {
            try {
                document.decrypt("");
            } catch (Exception e) {
                log.warn("PDF is encrypted. Can not read content file=" + leaf.getName());
                LimitedContentWriter writer = new LimitedContentWriter(128,
                        FileDocumentFactory.getMaxFileSize());
                writer.append(leaf.getName());
                writer.close();
                return new FileContent(leaf.getName(), writer.toString());
            }
        }
        String title = getTitle(document);
        if (log.isDebug())
            log.debug("readContent PDDocument loaded");
        PDFTextStripper stripper = new PDFTextStripper();
        LimitedContentWriter writer = new LimitedContentWriter(50000, FileDocumentFactory.getMaxFileSize());
        stripper.writeText(document, writer);
        writer.close();
        return new FileContent(title, writer.toString());
    } finally {
        if (document != null) {
            document.close();
        }
        if (bis != null) {
            bis.close();
        }
    }
}

---

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