public class UniversalEncodingDetector extends Object implements EncodingDetector
Constructor and Description |
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UniversalEncodingDetector() |
Modifier and Type | Method and Description |
---|---|
Charset |
detect(InputStream input,
Metadata metadata)
Detects the character encoding of the given text document, or
null if the encoding of the document can not be detected. |
public Charset detect(InputStream input, Metadata metadata) throws IOException
EncodingDetector
null
if the encoding of the document can not be detected.
If the document input stream is not available, then the first
argument may be null
. Otherwise the detector may
read bytes from the start of the stream to help in encoding detection.
The given stream is guaranteed to support the
mark feature
and the detector
is expected to mark
the stream before
reading any bytes from it, and to reset
the stream before returning. The stream must not be closed by the
detector.
The given input metadata is only read, not modified, by the detector.
detect
in interface EncodingDetector
input
- text document input stream, or null
metadata
- input metadata for the documentnull
IOException
- if the document input stream could not be readCopyright © 2007–2016 The Apache Software Foundation. All rights reserved.