$.MqttConfig.java Source code

Introduction

Here is the source code for $.MqttConfig.java

Source

    /*
     * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
     *
     * WSO2 Inc. licenses this file to you 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 ${groupId}.${rootArtifactId}.plugin.mqtt;

    import org.apache.commons.logging.Log;
    import org.apache.commons.logging.LogFactory;
import ${groupId}.${rootArtifactId}.plugin.constants.DeviceTypeConstants;
import ${groupId}.${rootArtifactId}.plugin.impl.util.DeviceTypeUtils;

    import java.io.File;
    import java.io.IOException;
    import java.io.InputStream;
    import java.util.Properties;

    public class MqttConfig {

        private static String brokerEndpoint;

        private static MqttConfig mqttConfig = new MqttConfig();
        private static final Log log = LogFactory.getLog(MqttConfig.class);

        private MqttConfig() {
            File configFile = new File(DeviceTypeConstants.MQTT_CONFIG_LOCATION);
            if (configFile.exists()) {
                try {
                    InputStream propertyStream = configFile.toURI().toURL().openStream();
                    Properties properties = new Properties();
                    properties.load(propertyStream);
                    brokerEndpoint = DeviceTypeUtils
                            .replaceMqttProperty(properties.getProperty(DeviceTypeConstants.BROKER_URL_PROPERTY_KEY));
                } catch (IOException e) {
                    log.error("Failed to read the mqtt.properties file" + e);
                }
            }
        }

        public static MqttConfig getInstance() {
            return mqttConfig;
        }

        public String getBrokerEndpoint() {
            return brokerEndpoint;
        }
    }