protected void init()

in src/main/java/org/ini4j/spi/UnicodeInputStreamReader.java [122:154]

• 28 lines of code
• 4 McCabe index (conditional complexity)

    protected void init() throws IOException
    {
        if (_reader != null)
        {
            return;
        }

        Charset encoding;
        byte[] data = new byte[BOM_SIZE];
        int n;
        int unread;

        n = _stream.read(data, 0, data.length);
        Bom bom = Bom.find(data);

        if (bom == null)
        {
            encoding = _defaultEncoding;
            unread = n;
        }
        else
        {
            encoding = bom._charset;
            unread = data.length - bom._bytes.length;
        }

        if (unread > 0)
        {
            _stream.unread(data, (n - unread), unread);
        }

        _reader = new InputStreamReader(_stream, encoding);
    }