How to use

HttpVersion

in

org.jboss.netty.handler.codec.http

/**
 * Returns the full protocol version text such as {@code "HTTP/1.0"}.
 */
@Override
public String toString() {
  return getText();
}

@Override
public boolean equals(Object o) {
  if (!(o instanceof HttpVersion)) {
    return false;
  }
  HttpVersion that = (HttpVersion) o;
  return getMinorVersion() == that.getMinorVersion() &&
      getMajorVersion() == that.getMajorVersion() &&
      getProtocolName().equals(that.getProtocolName());
}

buf.writeBytes(request.getProtocolVersion().toString().getBytes("ASCII"));
buf.writeByte(CR);
buf.writeByte(LF);

private boolean isHttp10() {
  return nettyRequest.getProtocolVersion().equals(HttpVersion.HTTP_1_0);
}

@Override
public String getProtocolName() {
  return response.getProtocolVersion().getProtocolName();
}

@Override
public int getProtocolMajorVersion() {
  return response.getProtocolVersion().getMajorVersion();
}

@Override
public int getProtocolMinorVersion() {
  return response.getProtocolVersion().getMinorVersion();
}

@Override
protected HttpMessage createMessage(String[] initialLine) throws Exception {
  return new DefaultHttpRequest(
      HttpVersion.valueOf(initialLine[2]), HttpMethod.valueOf(initialLine[0]), initialLine[1]);
}

/**
 * Returns {@code true} if and only if the connection can remain open and
 * thus 'kept alive'.  This methods respects the value of the
 * {@code "Connection"} header first and then the return value of
 * {@link HttpVersion#isKeepAliveDefault()}.
 */
public static boolean isKeepAlive(HttpMessage message) {
  String connection = message.headers().get(Names.CONNECTION);
  boolean close = Values.CLOSE.equalsIgnoreCase(connection);
  if (close) {
    return false;
  }
  if (message.getProtocolVersion().isKeepAliveDefault()) {
    return !close;
  } else {
    return Values.KEEP_ALIVE.equalsIgnoreCase(connection);
  }
}

@Override
public void close() {
  boolean http10 = request.getProtocolVersion().equals(HttpVersion.HTTP_1_0);
  boolean close = HttpHeaders.Values.CLOSE.equalsIgnoreCase(request.getHeader(HttpHeaders.Names.CONNECTION))
      || (http10 && !HttpHeaders.Values.KEEP_ALIVE.equalsIgnoreCase(request.getHeader(HttpHeaders.Names.CONNECTION)));
  logger.debug("netty http close = {}", close);
  
  if (close) {
    channel.close();
  }
}

@Override
public String getProtocolName() {
  return response.getProtocolVersion().getProtocolName();
}

@Override
public int getProtocolMajorVersion() {
  return response.getProtocolVersion().getMajorVersion();
}

@Override
public int getProtocolMinorVersion() {
  return response.getProtocolVersion().getMinorVersion();
}

/**
 * Returns the {@link HttpVersion} represented by the HTTP version header.
 */
public static HttpVersion getVersion(int spdyVersion, SpdyHeadersFrame frame) {
  try {
    return HttpVersion.valueOf(frame.headers().get(HttpNames.VERSION));
  } catch (Exception e) {
    return null;
  }
}

if (message.getProtocolVersion().isKeepAliveDefault()) {
  if (keepAlive) {
    h.remove(Names.CONNECTION);

  public int compareTo(HttpVersion o) {
    int v = getProtocolName().compareTo(o.getProtocolName());
    if (v != 0) {
      return v;
    }

    v = getMajorVersion() - o.getMajorVersion();
    if (v != 0) {
      return v;
    }

    return getMinorVersion() - o.getMinorVersion();
  }
}

public static boolean isKeepAlive(HttpMessage message) {
  return HttpHeaders.isKeepAlive(message) && message.getProtocolVersion().equals(HttpVersion.HTTP_1_1);
}

@Override
public String toString() {
  StringBuilder buf = new StringBuilder();
  buf.append(getClass().getSimpleName());
  buf.append("(version: ");
  buf.append(getProtocolVersion().getText());
  buf.append(", keepAlive: ");
  buf.append(HttpHeaders.isKeepAlive(this));
  buf.append(", chunked: ");
  buf.append(isChunked());
  buf.append(')');
  buf.append(StringUtil.NEWLINE);
  appendHeaders(buf);
  // Remove the last newline.
  buf.setLength(buf.length() - StringUtil.NEWLINE.length());
  return buf.toString();
}

  @Override
  protected void encodeInitialLine(ChannelBuffer buf, HttpMessage message)
      throws Exception {
    HttpResponse response = (HttpResponse) message;
    buf.writeBytes(response.getProtocolVersion().toString().getBytes("ASCII"));
    buf.writeByte((byte) ' ');
    buf.writeBytes(String.valueOf(response.getStatus().getCode()).getBytes("ASCII"));
    buf.writeByte((byte) ' ');
    buf.writeBytes(String.valueOf(response.getStatus().getReasonPhrase()).getBytes("ASCII"));
    buf.writeByte((byte) '\r');
    buf.writeByte((byte) '\n');
  }
}

@Override
public String getProtocolName() {
  return response.getProtocolVersion().getProtocolName();
}