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

com.ibm.icu.text.CharsetDetector.detectAll()
Return an array of all charsets that appear to be plausible matches with the input data. The array is ordered with the best quality match first.
Raise an exception if
- no charsets appear to match the input data.
- no input text has been provided
@return An array of CharsetMatch objects representing possibly matching charsets. @stable ICU 3.4

  public Collection<String> detectCharset(byte[] bytes) {
    
    CharsetDetector detector = new CharsetDetector();
    detector.setText(bytes);
    
    CharsetMatch[] matches = detector.detectAll();
    if ( matches == null || matches.length == 0 ) {
      return null;
    }
    
    Collection<String> charsets = new LinkedHashSet<String>();

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    {
        CharsetDetector det = new CharsetDetector();
        
        det.setText(bytes);
        
        return det.detectAll();
    }
    
    private CharsetMatch[] detect(BufferedInputStream inputStream)
    {
        CharsetDetector det    = new CharsetDetector();

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        CharsetDetector det    = new CharsetDetector();
        
        try {
            det.setText(inputStream);
            
            return det.detectAll();
        } catch (Exception e) {
            // TODO: error message?
            return null;
        }
    }

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        detector.enableInputFilter(true);
        detector.setText(bis);
        if (declaredEncoding!=null && !"".equals(declaredEncoding))
          detector.setDeclaredEncoding(declaredEncoding);
        CharsetMatch[] matches = null;
        matches = detector.detectAll();
        bis.close();
        encoding = HttpUtils.filtreEncoding(matches[0].getName().toLowerCase());
        if (encoding!=null && !"".equals(encoding))
        {
          if (encodingFreq.containsKey(encoding))

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      detector = new CharsetDetector();
      detector.enableInputFilter(true);
      detector.setText(bis);
      if (declaredEncoding!=null && !"".equals(declaredEncoding))
        detector.setDeclaredEncoding(declaredEncoding);
      CharsetMatch[] matches = detector.detectAll();
      bis.close();
      encoding = HttpUtils.filtreEncoding(matches[0].getName().toLowerCase());
      if (encoding!=null && !"".equals(encoding)) {
        if (encodingFreq.containsKey(encoding))
          encodingFreq.put(encoding, encodingFreq.get(encoding) + 2);

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