public static StreamEncoder forOutputStreamWriter ( OutputStream out , Object lock , String charsetName ) throws UnsupportedEncodingException { String csn = charsetName ; if ( csn == null ) csn = Charset . defaultCharset ( ) . name ( ) ; try { if ( Charset . isSupported ( csn ) ) return new StreamEncoder ( out , lock , Charset . forName ( csn ) ) ; } catch ( IllegalCharsetNameException x ) { } throw new UnsupportedEncodingException ( csn ) ; }
Factories for java . io . OutputStreamWriter