Examples with TikaInputStream org.apache.tika.io.TikaInputStream used on opensource projects

Example 91 with TikaInputStream

use of org.apache.tika.io.TikaInputStream in project tika by apache.

the class OpenDocumentParser method parse.

public void parse(InputStream stream, ContentHandler baseHandler, Metadata metadata, ParseContext context) throws IOException, SAXException, TikaException {
    // Open the Zip stream
    // Use a File if we can, and an already open zip is even better
    ZipFile zipFile = null;
    ZipInputStream zipStream = null;
    if (stream instanceof TikaInputStream) {
        TikaInputStream tis = (TikaInputStream) stream;
        Object container = ((TikaInputStream) stream).getOpenContainer();
        if (container instanceof ZipFile) {
            zipFile = (ZipFile) container;
        } else if (tis.hasFile()) {
            zipFile = new ZipFile(tis.getFile());
        } else {
            zipStream = new ZipInputStream(stream);
        }
    } else {
        zipStream = new ZipInputStream(stream);
    }
    // Prepare to handle the content
    XHTMLContentHandler xhtml = new XHTMLContentHandler(baseHandler, metadata);
    // As we don't know which of the metadata or the content
    //  we'll hit first, catch the endDocument call initially
    EndDocumentShieldingContentHandler handler = new EndDocumentShieldingContentHandler(xhtml);
    if (zipFile != null) {
        try {
            handleZipFile(zipFile, metadata, context, handler);
        } finally {
            //Do we want to close silently == catch an exception here?
            zipFile.close();
        }
    } else {
        try {
            handleZipStream(zipStream, metadata, context, handler);
        } finally {
            //Do we want to close silently == catch an exception here?
            zipStream.close();
        }
    }
    // Only now call the end document
    if (handler.getEndDocumentWasCalled()) {
        handler.reallyEndDocument();
    }
}

Example 92 with TikaInputStream

use of org.apache.tika.io.TikaInputStream in project tika by apache.

the class PooledTimeSeriesParser method parse.

/**
     * Parses a document stream into a sequence of XHTML SAX events. Fills in
     * related document metadata in the given metadata object.
     * <p>
     * The given document stream is consumed but not closed by this method. The
     * responsibility to close the stream remains on the caller.
     * <p>
     * Information about the parsing context can be passed in the context
     * parameter. See the parser implementations for the kinds of context
     * information they expect.
     *
     * @param stream   the document stream (input)
     * @param handler  handler for the XHTML SAX events (output)
     * @param metadata document metadata (input and output)
     * @param context  parse context
     * @throws IOException   if the document stream could not be read
     * @throws SAXException  if the SAX events could not be processed
     * @throws TikaException if the document could not be parsed
     * @since Apache Tika 0.5
     */
@Override
public void parse(InputStream stream, ContentHandler handler, Metadata metadata, ParseContext context) throws IOException, SAXException, TikaException {
    if (!isAvailable) {
        LOG.warn("PooledTimeSeries not installed!");
        return;
    }
    XHTMLContentHandler xhtml = new XHTMLContentHandler(handler, metadata);
    TemporaryResources tmp = new TemporaryResources();
    try {
        TikaInputStream tikaStream = TikaInputStream.get(stream, tmp);
        File input = tikaStream.getFile();
        String cmdOutput = computePoT(input);
        try (InputStream ofStream = new FileInputStream(new File(input.getAbsoluteFile() + ".of.txt"))) {
            try (InputStream ogStream = new FileInputStream(new File(input.getAbsoluteFile() + ".hog.txt"))) {
                extractHeaderOutput(ofStream, metadata, "of");
                extractHeaderOutput(ogStream, metadata, "og");
                xhtml.startDocument();
                doExtract(ofStream, xhtml, "Histogram of Optical Flows (HOF)", metadata.get("of_frames"), metadata.get("of_vecSize"));
                doExtract(ogStream, xhtml, "Histogram of Oriented Gradients (HOG)", metadata.get("og_frames"), metadata.get("og_vecSize"));
                xhtml.endDocument();
            }
        }
        // Temporary workaround for TIKA-1445 - until we can specify
        //  composite parsers with strategies (eg Composite, Try In Turn),
        //  always send the image onwards to the regular parser to have
        //  the metadata for them extracted as well
        _TMP_VIDEO_METADATA_PARSER.parse(tikaStream, handler, metadata, context);
    } finally {
        tmp.dispose();
    }
}

Example 93 with TikaInputStream

use of org.apache.tika.io.TikaInputStream in project tika by apache.

the class TIAParsingExample method tikaInputStreamGetFile.

public static File tikaInputStreamGetFile(String filename) throws Exception {
    try (InputStream stream = TikaInputStream.get(new File(filename))) {
        TikaInputStream tikaInputStream = TikaInputStream.get(stream);
        File file = tikaInputStream.getFile();
        return file;
    }
}

Example 94 with TikaInputStream

use of org.apache.tika.io.TikaInputStream in project tika by apache.

the class FontParsersTest method testAdobeFontMetricParsing.

@Test
public void testAdobeFontMetricParsing() throws Exception {
    // Should auto-detect!
    Parser parser = new AutoDetectParser();
    ContentHandler handler = new BodyContentHandler();
    Metadata metadata = new Metadata();
    ParseContext context = new ParseContext();
    try (TikaInputStream stream = TikaInputStream.get(FontParsersTest.class.getResource("/test-documents/testAFM.afm"))) {
        parser.parse(stream, handler, metadata, context);
    }
    assertEquals("application/x-font-adobe-metric", metadata.get(Metadata.CONTENT_TYPE));
    assertEquals("TestFullName", metadata.get(TikaCoreProperties.TITLE));
    assertEquals("Fri Jul 15 17:50:51 2011", metadata.get(Metadata.CREATION_DATE));
    assertEquals("TestFontName", metadata.get(MET_FONT_NAME));
    assertEquals("TestFullName", metadata.get(MET_FONT_FULL_NAME));
    assertEquals("TestSymbol", metadata.get(MET_FONT_FAMILY_NAME));
    assertEquals("Medium", metadata.get(MET_FONT_WEIGHT));
    assertEquals("001.008", metadata.get(MET_FONT_VERSION));
    String content = handler.toString();
    // Test that the comments got extracted
    assertContains("Comments", content);
    assertContains("This is a comment in a sample file", content);
    assertContains("UniqueID 12345", content);
}

Example 95 with TikaInputStream

use of org.apache.tika.io.TikaInputStream in project tika by apache.

the class ODFParserTest method testFromFile.

@Test
public void testFromFile() throws Exception {
    try (TikaInputStream tis = TikaInputStream.get(this.getClass().getResource("/test-documents/testODFwithOOo3.odt"))) {
        assertEquals(true, tis.hasFile());
        OpenDocumentParser parser = new OpenDocumentParser();
        Metadata metadata = new Metadata();
        ContentHandler handler = new BodyContentHandler();
        parser.parse(tis, handler, metadata, new ParseContext());
        assertEquals("application/vnd.oasis.opendocument.text", metadata.get(Metadata.CONTENT_TYPE));
        String content = handler.toString();
        assertContains("Tika is part of the Lucene project.", content);
    }
}