MQTTFirealarmSubscriber.java

/*
 * Copyright (c) 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 * 
 * 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.wso2.carbon.device.mgt.iot.firealarm.api.util;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.paho.client.mqttv3.MqttMessage;
import org.wso2.carbon.device.mgt.iot.common.controlqueue.mqtt.MqttSubscriber;
import org.wso2.carbon.device.mgt.iot.firealarm.api.FireAlarmControllerService;
import org.wso2.carbon.device.mgt.iot.firealarm.constants.FireAlarmConstants;

import java.io.File;
import java.util.LinkedList;

public class MQTTFirealarmSubscriber extends MqttSubscriber {

    private static Log log = LogFactory.getLog(MQTTFirealarmSubscriber.class);
    private static final String subscribetopic =
            "wso2" + File.separator + "iot" + File.separator + "+" + File.separator +
                    FireAlarmConstants.DEVICE_TYPE + File.separator + "#";

    private MQTTFirealarmSubscriber() {
        super("Subscriber", FireAlarmConstants.DEVICE_TYPE, FireAlarmControllerService.CONTROL_QUEUE_ENDPOINT,
                subscribetopic);
    }

    @Override protected void postMessageArrived(final String topic, final MqttMessage message) {

        int lastIndex = topic.lastIndexOf("/");
        String deviceId = topic.substring(lastIndex + 1);

        lastIndex = message.toString().lastIndexOf(":");
        String msgContext = message.toString().substring(lastIndex + 1);

        LinkedList<String> deviceControlList = null;
        LinkedList<String> replyMessageList = null;

        if (msgContext.equals("IN") || msgContext.equals(FireAlarmConstants.STATE_ON) || msgContext
                .equals(FireAlarmConstants.STATE_OFF)) {
            log.info("Recieved a control message: ");
            log.info("Control message topic: " + topic);
            log.info("Control message: " + message.toString());
            //                    synchronized (FireAlarmControllerService.internalControlsQueue) {
            //                        deviceControlList = FireAlarmControllerService.internalControlsQueue.get(deviceId);
            synchronized (FireAlarmControllerService.getInternalControlsQueue()) {
                deviceControlList = FireAlarmControllerService.getInternalControlsQueue().get(deviceId);
                if (deviceControlList == null) {
                    //                            FireAlarmControllerService.internalControlsQueue
                    FireAlarmControllerService.getInternalControlsQueue()
                            .put(deviceId, deviceControlList = new LinkedList<String>());
                }
            }
            deviceControlList.add(message.toString());
        } else if (msgContext.equals("OUT")) {
            log.info("Recieved reply from a device: ");
            log.info("Reply message topic: " + topic);
            log.info("Reply message: " + message.toString().substring(0, lastIndex));
            //                    synchronized (FireAlarmControllerService.replyMsgQueue) {
            //                        replyMessageList = FireAlarmControllerService.replyMsgQueue.get(deviceId);
            synchronized (FireAlarmControllerService.getReplyMsgQueue()) {
                replyMessageList = FireAlarmControllerService.getReplyMsgQueue().get(deviceId);
                if (replyMessageList == null) {
                    //                            FireAlarmControllerService.replyMsgQueue
                    FireAlarmControllerService.getReplyMsgQueue()
                            .put(deviceId, replyMessageList = new LinkedList<String>());
                }
            }
            replyMessageList.add(message.toString());
        }

    }

}
*/