Examples of com.ibm.icu.text.CharsetDetector.detect()

com.ibm.icu.text.CharsetDetector.detect()
Return the charset that best matches the supplied input data. Note though, that because the detection only looks at the start of the input data, there is a possibility that the returned charset will fail to handle the full set of input data.
Raise an exception if
- no charset appears to match the data.
- no input text has been provided
@return a CharsetMatch object representing the best matching charset, ornull if there are no matches. @stable ICU 3.4

        if (charset == null) {
            final CharsetDetector det = new CharsetDetector();
            det.enableInputFilter(true);
            final InputStream detStream = new BufferedInputStream(sourceStream);
            det.setText(detStream);
            charset = det.detect().getName();
            sourceStream = detStream;
        }


        // wtf? still nothing, just take system-standard
        if (charset == null) {

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        CharsetDetector detector = new CharsetDetector();
        if (encoding != null) {
            detector.setDeclaredEncoding(encoding);
        }
        detector.setText(in);
        CharsetMatch found = detector.detect();
        result = found.getName();
        LOG.debug("Encoding: " + result);
        return result;
    }

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      if (usedDecoder == null) {
        CharsetDetector detector = new CharsetDetector();
        detector.enableInputFilter(filtered);
        byte[] data = buffer.toByteArray();
        detector.setText(data);
        CharsetMatch cm = detector.detect();
        try {
          usedDecoder = Charset.forName(cm == null ? "ISO-8859-1" : cm.getName()).newDecoder();
        } catch (UnsupportedCharsetException ex) {
          usedDecoder = Charset.forName("ISO-8859-1").newDecoder();
        }

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    public Encoding sniff() throws IOException {
        try {
            CharsetDetector detector = new CharsetDetector();
            detector.setText(this);
            CharsetMatch match = detector.detect();
            Encoding enc = Encoding.forName(match.getName());
            Encoding actual = enc.getActualHtmlEncoding();
            if (actual != null) {
                enc = actual;
            }

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    if( stream!=null ) {    
      Charset charset;
      try {
        CharsetDetector detector = new CharsetDetector();
        detector.setText(new BufferedInputStream(stream));
        charset = Charset.forName( detector.detect().getName() );
      } catch (Exception e) {
        charset = Charset.defaultCharset();
      }
      return new BufferedReader(new InputStreamReader(getStreamFor(name), charset));
    } else {

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