jodd-core/src/main/java/jodd/io/FileUtil.java
private static String detectEncoding(final UnicodeInputStream in) {
		String encoding = in.getDetectedEncoding();
		if (encoding == null) {
			encoding = StringPool.UTF_8;
		}
		return encoding;
	}
private static String detectEncoding(final UnicodeInputStream in) {
		String encoding = in.getDetectedEncoding();
		if (encoding == null) {
			encoding = StringPool.UTF_8;
		}
		return encoding;
	}
private static String detectEncoding ( final UnicodeInputStream in ) { String encoding = in . getDetectedEncoding ( ) ; if ( encoding == null ) { encoding = StringPool . UTF_8 ; } return encoding ; }
Detect encoding on {@link UnicodeInputStream} by using {@link UnicodeInputStream#getDetectedEncoding()}.

@param in {@link UnicodeInputStream}
@return UTF encoding as a String. If encoding could not be detected, defaults to {@link StringPool#UTF_8}.
@see UnicodeInputStream#getDetectedEncoding()
Detect encoding on { @link UnicodeInputStream } by using { @link UnicodeInputStream#getDetectedEncoding () } .