Examples with TikaException org.apache.tika.exception.TikaException used on opensource projects

Example 46 with TikaException

use of org.apache.tika.exception.TikaException in project tika by apache.

the class OCR2XHTML method process.

/**
     * Converts the given PDF document (and related metadata) to a stream
     * of XHTML SAX events sent to the given content handler.
     *
     * @param document PDF document
     * @param handler  SAX content handler
     * @param metadata PDF metadata
     * @throws SAXException  if the content handler fails to process SAX events
     * @throws TikaException if there was an exception outside of per page processing
     */
public static void process(PDDocument document, ContentHandler handler, ParseContext context, Metadata metadata, PDFParserConfig config) throws SAXException, TikaException {
    OCR2XHTML ocr2XHTML = null;
    try {
        ocr2XHTML = new OCR2XHTML(document, handler, context, metadata, config);
        ocr2XHTML.writeText(document, new Writer() {

            @Override
            public void write(char[] cbuf, int off, int len) {
            }

            @Override
            public void flush() {
            }

            @Override
            public void close() {
            }
        });
    } catch (IOException e) {
        if (e.getCause() instanceof SAXException) {
            throw (SAXException) e.getCause();
        } else {
            throw new TikaException("Unable to extract PDF content", e);
        }
    }
    if (ocr2XHTML.exceptions.size() > 0) {
        //throw the first
        throw new TikaException("Unable to extract all PDF content", ocr2XHTML.exceptions.get(0));
    }
}

Example 47 with TikaException

use of org.apache.tika.exception.TikaException in project tika by apache.

the class PDF2XHTML method process.

/**
     * Converts the given PDF document (and related metadata) to a stream
     * of XHTML SAX events sent to the given content handler.
     *
     * @param document PDF document
     * @param handler  SAX content handler
     * @param metadata PDF metadata
     * @throws SAXException  if the content handler fails to process SAX events
     * @throws TikaException if there was an exception outside of per page processing
     */
public static void process(PDDocument document, ContentHandler handler, ParseContext context, Metadata metadata, PDFParserConfig config) throws SAXException, TikaException {
    PDF2XHTML pdf2XHTML = null;
    try {
        // Extract text using a dummy Writer as we override the
        // key methods to output to the given content
        // handler.
        pdf2XHTML = new PDF2XHTML(document, handler, context, metadata, config);
        config.configure(pdf2XHTML);
        pdf2XHTML.writeText(document, new Writer() {

            @Override
            public void write(char[] cbuf, int off, int len) {
            }

            @Override
            public void flush() {
            }

            @Override
            public void close() {
            }
        });
    } catch (IOException e) {
        if (e.getCause() instanceof SAXException) {
            throw (SAXException) e.getCause();
        } else {
            throw new TikaException("Unable to extract PDF content", e);
        }
    }
    if (pdf2XHTML.exceptions.size() > 0) {
        //throw the first
        throw new TikaException("Unable to extract PDF content", pdf2XHTML.exceptions.get(0));
    }
}

Example 48 with TikaException

use of org.apache.tika.exception.TikaException in project tika by apache.

the class PDFParser method loadDOM.

//can return null!
private Document loadDOM(PDMetadata pdMetadata, Metadata metadata, ParseContext context) {
    if (pdMetadata == null) {
        return null;
    }
    InputStream is = null;
    try {
        try {
            is = pdMetadata.exportXMPMetadata();
        } catch (IOException e) {
            EmbeddedDocumentUtil.recordEmbeddedStreamException(e, metadata);
            return null;
        }
        DocumentBuilder documentBuilder = context.getDocumentBuilder();
        documentBuilder.setErrorHandler((ErrorHandler) null);
        return documentBuilder.parse(is);
    } catch (IOException | SAXException | TikaException e) {
        EmbeddedDocumentUtil.recordException(e, metadata);
    } finally {
        IOUtils.closeQuietly(is);
    }
    return null;
}

Example 49 with TikaException

use of org.apache.tika.exception.TikaException in project tika by apache.

the class RarParser method parse.

@Override
public void parse(InputStream stream, ContentHandler handler, Metadata metadata, ParseContext context) throws IOException, SAXException, TikaException {
    XHTMLContentHandler xhtml = new XHTMLContentHandler(handler, metadata);
    xhtml.startDocument();
    EmbeddedDocumentExtractor extractor = EmbeddedDocumentUtil.getEmbeddedDocumentExtractor(context);
    Archive rar = null;
    try (TemporaryResources tmp = new TemporaryResources()) {
        TikaInputStream tis = TikaInputStream.get(stream, tmp);
        rar = new Archive(tis.getFile());
        if (rar.isEncrypted()) {
            throw new EncryptedDocumentException();
        }
        //Without this BodyContentHandler does not work
        xhtml.element("div", " ");
        FileHeader header = rar.nextFileHeader();
        while (header != null && !Thread.currentThread().isInterrupted()) {
            if (!header.isDirectory()) {
                try (InputStream subFile = rar.getInputStream(header)) {
                    Metadata entrydata = PackageParser.handleEntryMetadata("".equals(header.getFileNameW()) ? header.getFileNameString() : header.getFileNameW(), header.getCTime(), header.getMTime(), header.getFullUnpackSize(), xhtml);
                    if (extractor.shouldParseEmbedded(entrydata)) {
                        extractor.parseEmbedded(subFile, handler, entrydata, true);
                    }
                }
            }
            header = rar.nextFileHeader();
        }
    } catch (RarException e) {
        throw new TikaException("RarParser Exception", e);
    } finally {
        if (rar != null)
            rar.close();
    }
    xhtml.endDocument();
}

Example 50 with TikaException

use of org.apache.tika.exception.TikaException in project tika by apache.

the class LanguageProfilerBuilder method getSimilarity.

/**
     * Calculates a score how well NGramProfiles match each other
     * 
     * @param another
     *            ngram profile to compare against
     * @return similarity 0=exact match
     * @throws TikaException
     *             if could not calculate a score
     */
public float getSimilarity(LanguageProfilerBuilder another) throws TikaException {
    float sum = 0;
    try {
        Iterator<NGramEntry> i = another.getSorted().iterator();
        while (i.hasNext()) {
            NGramEntry other = i.next();
            if (ngrams.containsKey(other.seq)) {
                sum += Math.abs((other.frequency - ngrams.get(other.seq).frequency)) / 2;
            } else {
                sum += other.frequency;
            }
        }
        i = getSorted().iterator();
        while (i.hasNext()) {
            NGramEntry other = i.next();
            if (another.ngrams.containsKey(other.seq)) {
                sum += Math.abs((other.frequency - another.ngrams.get(other.seq).frequency)) / 2;
            } else {
                sum += other.frequency;
            }
        }
    } catch (Exception e) {
        throw new TikaException("Could not calculate a score how well NGramProfiles match each other");
    }
    return sum;
}