BasicLineParserHC4.java 文件源码

public static
    ProtocolVersion parseProtocolVersion(final String value,
                                         final LineParser parser) throws ParseException {
    Args.notNull(value, "Value");

    final CharArrayBuffer buffer = new CharArrayBuffer(value.length());
    buffer.append(value);
    final ParserCursor cursor = new ParserCursor(0, value.length());
    return (parser != null ? parser : BasicLineParserHC4.INSTANCE)
            .parseProtocolVersion(buffer, cursor);
}