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Editorial Team
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Asked: 2026-05-13T15:08:29+00:00

I’m working with LogManager.readConfiguration() which requires an InputStream whose contents I’d like to come

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I’m working with LogManager.readConfiguration() which requires an InputStream whose contents I’d like to come from a string. Is there an equivalent of StringBufferInputStream that’s not deprecated, such as a ReaderToInputStreamAdaptor?

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1 Answer

  1. Editorial Team

    Documentation of LogManager.readConfiguration() says that it accepts data in java.util.Properties format. So, the really correct encoding-safe implementation is this:

    String s = ...;

StringBuilder propertiesEncoded = new StringBuilder();
for (int i = 0; i < s.length(); i++)
{
    char c = s.charAt(i);
    if (c <= 0x7e) propertiesEncoded.append((char) c);
    else propertiesEncoded.append(String.format("\\u%04x", (int) c)); 
}
ByteArrayInputStream in = new ByteArrayInputStream(propertiesEncoded.toString().getBytes("ISO-8859-1"));

    EDIT: Encoding algorithm corrected

    EDIT2: Actually, java.util.Properties format have some other restrictions (such as escaping of \ and other special characters), see docs

    EDIT3: 0x00-0x1f escaping removed, as Alan Moore suggests

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