/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.integration.mqtt.support;
/**
* Spring Integration headers.
* @author Gary Russell
*
* @since 4.0
*
*/
public final class MqttHeaders {
private static final String prefix = "mqtt_";
public static final String QOS = prefix + "qos";
public static final String RECEIVED_QOS = prefix + "receivedQos";
public static final String DUPLICATE = prefix + "duplicate";
public static final String RETAINED = prefix + "retained";
public static final String RECEIVED_RETAINED = prefix + "receivedRetained";
public static final String TOPIC = prefix + "topic";
public static final String RECEIVED_TOPIC = prefix + "receivedTopic";
private MqttHeaders() {
throw new AssertionError();
}
}