Examples with AutoDetectReader org.apache.tika.detect.AutoDetectReader used on opensource projects

Example 6 with AutoDetectReader

use of org.apache.tika.detect.AutoDetectReader in project tika by apache.

the class TXTParser method parse.

public void parse(InputStream stream, ContentHandler handler, Metadata metadata, ParseContext context) throws IOException, SAXException, TikaException {
    // Automatically detect the character encoding
    try (AutoDetectReader reader = new AutoDetectReader(new CloseShieldInputStream(stream), metadata, getEncodingDetector(context))) {
        //try to get detected content type; could be a subclass of text/plain
        //such as vcal, etc.
        String incomingMime = metadata.get(Metadata.CONTENT_TYPE);
        MediaType mediaType = MediaType.TEXT_PLAIN;
        if (incomingMime != null) {
            MediaType tmpMediaType = MediaType.parse(incomingMime);
            if (tmpMediaType != null) {
                mediaType = tmpMediaType;
            }
        }
        Charset charset = reader.getCharset();
        MediaType type = new MediaType(mediaType, charset);
        metadata.set(Metadata.CONTENT_TYPE, type.toString());
        // deprecated, see TIKA-431
        metadata.set(Metadata.CONTENT_ENCODING, charset.name());
        XHTMLContentHandler xhtml = new XHTMLContentHandler(handler, metadata);
        xhtml.startDocument();
        xhtml.startElement("p");
        char[] buffer = new char[4096];
        int n = reader.read(buffer);
        while (n != -1) {
            xhtml.characters(buffer, 0, n);
            n = reader.read(buffer);
        }
        xhtml.endElement("p");
        xhtml.endDocument();
    }
}