Java MqttQoS.valueOf方法代码示例

import io.netty.handler.codec.mqtt.MqttQoS; //导入方法依赖的package包/类
/**
 * Convert Map to InternalMessage
 *
 * @param map Map
 * @return InternalMessage
 */
public static InternalMessage mapToInternal(Map<String, String> map) {
    if (map == null || map.isEmpty()) return null;

    int type = Integer.parseInt(map.get("type"));
    if (type == MqttMessageType.PUBLISH.value()) {
        byte[] payload = null;
        if (map.get("payload") != null) try {
            payload = map.get("payload").getBytes("ISO-8859-1");
        } catch (UnsupportedEncodingException ignore) {
        }
        return new InternalMessage<>(
                MqttMessageType.PUBLISH,
                BooleanUtils.toBoolean(map.getOrDefault("dup", "0"), "1", "0"),
                MqttQoS.valueOf(Integer.parseInt(map.getOrDefault("qos", "0"))),
                BooleanUtils.toBoolean(map.getOrDefault("retain", "0"), "1", "0"),
                MqttVersion.valueOf(map.getOrDefault("version", MqttVersion.MQTT_3_1_1.toString())),
                map.get("clientId"),
                map.get("userName"),
                null,
                new Publish(
                        map.get("topicName"),
                        Integer.parseInt(map.getOrDefault("packetId", "0")),
                        payload
                ));
    } else if (type == MqttMessageType.PUBREL.value()) {
        return new InternalMessage<>(
                MqttMessageType.PUBREL,
                false,
                MqttQoS.AT_LEAST_ONCE,
                false,
                MqttVersion.valueOf(map.getOrDefault("version", MqttVersion.MQTT_3_1_1.toString())),
                map.get("clientId"),
                map.get("userName"),
                null,
                new PacketId(Integer.parseInt(map.getOrDefault("packetId", "0"))));
    } else {
        throw new IllegalArgumentException("Invalid in-flight MQTT message type: " + MqttMessageType.valueOf(type));
    }
}
 

import io.netty.handler.codec.mqtt.MqttQoS; //导入方法依赖的package包/类
private Message newWill(String clientId, MqttConnectMessage conn) {
	if (!conn.variableHeader().isWillFlag()) { return null; } // [MQTT-3.1.2-12]

	return new Message(-1, conn.payload().willTopic(), clientId,
			conn.payload().willMessage().getBytes(CharsetUtil.UTF_8),
			MqttQoS.valueOf(conn.variableHeader().willQos()), conn.variableHeader().isWillRetain());
}
 

import io.netty.handler.codec.mqtt.MqttQoS; //导入方法依赖的package包/类
@Override
public void readData(ObjectDataInput in) throws IOException {
	id = in.readInt();
	topicName = in.readUTF();
	publisherId = in.readUTF();
	message = in.readByteArray();

	int rawInt = in.readInt();
	qos = rawInt != Byte.MIN_VALUE ? MqttQoS.valueOf(rawInt) : null;

	isRetain = in.readBoolean();
}
 

import io.netty.handler.codec.mqtt.MqttQoS; //导入方法依赖的package包/类
@Override
public void readData(ObjectDataInput in) throws IOException {
	super.readData(in);

	Byte rawByte = in.readByte();
	status = rawByte != Byte.MIN_VALUE ? Status.valueOf(rawByte) : null;

	int rawInt = in.readInt();
	qos = rawInt != Byte.MIN_VALUE ? MqttQoS.valueOf(rawInt) : null;
}
 

import io.netty.handler.codec.mqtt.MqttQoS; //导入方法依赖的package包/类
@Override
public void readData(ObjectDataInput in) throws IOException {
	clientId = in.readUTF();
	topicFilter = in.readUTF();

	int rawInt = in.readInt();
	qos = rawInt != Integer.MIN_VALUE ? MqttQoS.valueOf(rawInt) : null;
}
 

import io.netty.handler.codec.mqtt.MqttQoS; //导入方法依赖的package包/类
/**
 * Return an AMQP_WILL message from the raw AMQP one
 *
 * @param message   raw AMQP message
 * @return  AMQP_WILL message
 */
public static AmqpWillMessage from(Message message) {

    if (!message.getSubject().equals(AMQP_SUBJECT)) {
        throw new IllegalArgumentException(String.format("AMQP message subject is no s%", AMQP_SUBJECT));
    }

    MessageAnnotations messageAnnotations = message.getMessageAnnotations();
    if (messageAnnotations == null) {
        throw new IllegalArgumentException("AMQP message has no annotations");
    } else {

        boolean isRetain = false;
        if (messageAnnotations.getValue().containsKey(Symbol.valueOf(AMQP_RETAIN_ANNOTATION))) {
            isRetain = (boolean) messageAnnotations.getValue().get(Symbol.valueOf(AMQP_RETAIN_ANNOTATION));
        }

        MqttQoS qos;
        if (messageAnnotations.getValue().containsKey(Symbol.valueOf(AMQP_QOS_ANNOTATION))) {
            int value = (int) messageAnnotations.getValue().get(Symbol.valueOf(AMQP_QOS_ANNOTATION));
            qos = MqttQoS.valueOf(value);
        } else {

            if (message.getHeader() != null) {
                // if qos annotation isn't present, fallback to "durable" header field
                qos = ((message.getHeader().getDurable() == null) || !message.getHeader().getDurable())
                        ? MqttQoS.AT_MOST_ONCE : MqttQoS.AT_LEAST_ONCE;
            } else {
                qos = MqttQoS.AT_MOST_ONCE;
            }
        }

        String topic = message.getAddress();

        Section section = message.getBody();
        if ((section != null) && (section instanceof Data)) {

            Buffer payload = Buffer.buffer(((Data) section).getValue().getArray());
            return new AmqpWillMessage(isRetain, topic, qos, payload);

        } else {
            throw new IllegalArgumentException("AMQP message wrong body type");
        }
    }
}
 

import io.netty.handler.codec.mqtt.MqttQoS; //导入方法依赖的package包/类
/**
 * Return an AMQP_PUBLISH message from the raw AMQP one
 *
 * @param message   raw AMQP message
 * @return  AMQP_PUBLISH message
 */
public static AmqpPublishMessage from(Message message) {

    boolean isRetain = false;
    MqttQoS qos = MqttQoS.AT_MOST_ONCE;

    // raw AMQP messages published from native AMQP clients could not have annotations
    MessageAnnotations messageAnnotations = message.getMessageAnnotations();
    if (messageAnnotations == null) {

        if (message.getHeader() != null) {
            // if qos annotation isn't present, fallback to "durable" header field
            qos = ((message.getHeader().getDurable() == null) || !message.getHeader().getDurable())
                    ? MqttQoS.AT_MOST_ONCE : MqttQoS.AT_LEAST_ONCE;
        }

    } else {

        if (messageAnnotations.getValue().containsKey(Symbol.valueOf(AMQP_RETAIN_ANNOTATION))) {
            isRetain = (boolean) messageAnnotations.getValue().get(Symbol.valueOf(AMQP_RETAIN_ANNOTATION));
        }

        if (messageAnnotations.getValue().containsKey(Symbol.valueOf(AMQP_QOS_ANNOTATION))) {
            int value = (int) messageAnnotations.getValue().get(Symbol.valueOf(AMQP_QOS_ANNOTATION));
            qos = MqttQoS.valueOf(value);
        } else {

            if (message.getHeader() != null) {
                // if qos annotation isn't present, fallback to "durable" header field
                qos = ((message.getHeader().getDurable() == null) || !message.getHeader().getDurable())
                        ? MqttQoS.AT_MOST_ONCE : MqttQoS.AT_LEAST_ONCE;
            }
        }
    }

    boolean isDup = (message.getDeliveryCount() > 0);

    String topic = message.getAddress();

    // TODO: to remove
    // workaround for the Artemis broker which change the original "To" property
    // in the AMQP message when message-id is null
    ApplicationProperties applicationProperties = message.getApplicationProperties();
    if (applicationProperties != null) {

        Object amqOrigAddress = applicationProperties.getValue().get("_AMQ_ORIG_ADDRESS");
        topic = (amqOrigAddress != null) ? amqOrigAddress.toString() : topic;
    }

    Section section = message.getBody();
    if ((section != null) && (section instanceof Data)) {

        Buffer payload = Buffer.buffer(((Data) section).getValue().getArray());
        return new AmqpPublishMessage(message.getMessageId(), qos, isDup, isRetain, topic, payload);

    } else {
        throw new IllegalArgumentException("AMQP message wrong body type");
    }
}