/** {@inheritDoc} */
@Override
public void write(final byte[] b, final int off, final int len) throws IOException {
final ByteBuffer input = ByteBuffer.wrap(b, off, len);
final int required = encoder.outputSize(len - off);
if (output == null || output.capacity() < required) {
output = CharBuffer.allocate(required);
} else {
output.clear();
}
encoder.encode(input, output);
output.flip();
writer.write(output.toString());
writer.flush();
}
/** {@inheritDoc} */
@Override
public void close() throws IOException {
if (output == null) {
output = CharBuffer.allocate(8);
} else {
output.clear();
}
encoder.finalize(output);
output.flip();
writer.write(output.toString());
writer.flush();
writer.close();
}