javax.websocket.CloseReason#getCloseCode ( )源码实例Demo

private void sendCloseMessage(CloseReason closeReason) {
    // 125 is maximum size for the payload of a control message
    ByteBuffer msg = ByteBuffer.allocate(125);
    CloseCode closeCode = closeReason.getCloseCode();
    // CLOSED_ABNORMALLY should not be put on the wire
    if (closeCode == CloseCodes.CLOSED_ABNORMALLY) {
        // PROTOCOL_ERROR is probably better than GOING_AWAY here
        msg.putShort((short) CloseCodes.PROTOCOL_ERROR.getCode());
    } else {
        msg.putShort((short) closeCode.getCode());
    }

    String reason = closeReason.getReasonPhrase();
    if (reason != null && reason.length() > 0) {
        appendCloseReasonWithTruncation(msg, reason);
    }
    msg.flip();
    try {
        wsRemoteEndpoint.sendMessageBlock(Constants.OPCODE_CLOSE, msg, true);
    } catch (IOException | WritePendingException e) {
        // Failed to send close message. Close the socket and let the caller
        // deal with the Exception
        if (log.isDebugEnabled()) {
            log.debug(sm.getString("wsSession.sendCloseFail", id), e);
        }
        wsRemoteEndpoint.close();
        // Failure to send a close message is not unexpected in the case of
        // an abnormal closure (usually triggered by a failure to read/write
        // from/to the client. In this case do not trigger the endpoint's
        // error handling
        if (closeCode != CloseCodes.CLOSED_ABNORMALLY) {
            localEndpoint.onError(this, e);
        }
    } finally {
        webSocketContainer.unregisterSession(getSessionMapKey(), this);
    }
}
 

private void sendCloseMessage(CloseReason closeReason) {
    // 125 is maximum size for the payload of a control message
    ByteBuffer msg = ByteBuffer.allocate(125);
    CloseCode closeCode = closeReason.getCloseCode();
    // CLOSED_ABNORMALLY should not be put on the wire
    if (closeCode == CloseCodes.CLOSED_ABNORMALLY) {
        // PROTOCOL_ERROR is probably better than GOING_AWAY here
        msg.putShort((short) CloseCodes.PROTOCOL_ERROR.getCode());
    } else {
        msg.putShort((short) closeCode.getCode());
    }

    String reason = closeReason.getReasonPhrase();
    if (reason != null && reason.length() > 0) {
        appendCloseReasonWithTruncation(msg, reason);
    }
    msg.flip();
    try {
        wsRemoteEndpoint.startMessageBlock(
                Constants.OPCODE_CLOSE, msg, true);
    } catch (IOException ioe) {
        // Failed to send close message. Close the socket and let the caller
        // deal with the Exception
        if (log.isDebugEnabled()) {
            log.debug(sm.getString("wsSession.sendCloseFail", id), ioe);
        }
        wsRemoteEndpoint.close();
        // Failure to send a close message is not unexpected in the case of
        // an abnormal closure (usually triggered by a failure to read/write
        // from/to the client. In this case do not trigger the endpoint's
        // error handling
        if (closeCode != CloseCodes.CLOSED_ABNORMALLY) {
            localEndpoint.onError(this, ioe);
        }
    } finally {
        webSocketContainer.unregisterSession(localEndpoint, this);
    }
}
 

private void sendCloseMessage(CloseReason closeReason) {
    // 125 is maximum size for the payload of a control message
    ByteBuffer msg = ByteBuffer.allocate(125);
    CloseCode closeCode = closeReason.getCloseCode();
    // CLOSED_ABNORMALLY should not be put on the wire
    if (closeCode == CloseCodes.CLOSED_ABNORMALLY) {
        // PROTOCOL_ERROR is probably better than GOING_AWAY here
        msg.putShort((short) CloseCodes.PROTOCOL_ERROR.getCode());
    } else {
        msg.putShort((short) closeCode.getCode());
    }

    String reason = closeReason.getReasonPhrase();
    if (reason != null && reason.length() > 0) {
        appendCloseReasonWithTruncation(msg, reason);
    }
    msg.flip();
    try {
        wsRemoteEndpoint.startMessageBlock(Constants.OPCODE_CLOSE, msg, true);
    } catch (IOException ioe) {
        handleCloseException(ioe, closeCode);
    } catch (WritePendingException wpe) {
        handleCloseException(wpe, closeCode);
    } finally {
        webSocketContainer.unregisterSession(localEndpoint, this);
    }
}