Examples with FileContent org.olat.search.service.document.file.FileContent used on opensource projects

Example 1 with FileContent

use of org.olat.search.service.document.file.FileContent in project OpenOLAT by OpenOLAT.

the class PdfBoxExtractor method extractTextFromPdf.

private FileContent extractTextFromPdf(VFSLeaf leaf) throws IOException, DocumentAccessException {
    if (log.isDebug())
        log.debug("readContent from pdf starts...");
    PDDocument document = null;
    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();
        }
    }
}

Example 2 with FileContent

use of org.olat.search.service.document.file.FileContent in project openolat by klemens.

the class PdfBoxExtractor method extract.

@Override
public void extract(VFSLeaf document, File bufferFile) throws IOException, DocumentAccessException {
    FileContent content = extractTextFromPdf(document);
    storePdfTextInBuffer(content, bufferFile);
}

Example 3 with FileContent

use of org.olat.search.service.document.file.FileContent in project openolat by klemens.

the class PdfBoxExtractor method extractTextFromPdf.

private FileContent extractTextFromPdf(VFSLeaf leaf) throws IOException, DocumentAccessException {
    if (log.isDebug())
        log.debug("readContent from pdf starts...");
    PDDocument document = null;
    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();
        }
    }
}

Example 4 with FileContent

use of org.olat.search.service.document.file.FileContent in project OpenOLAT by OpenOLAT.

the class PdfBoxExtractor method extract.

@Override
public void extract(VFSLeaf document, File bufferFile) throws IOException, DocumentAccessException {
    FileContent content = extractTextFromPdf(document);
    storePdfTextInBuffer(content, bufferFile);
}