com.profesorfalken.jsensors.SensorsConfig Maven / Gradle / Ivy

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Get all system sensors information from Java

There is a newer version: 2.2.1

/*
 * Copyright 2016 Javier Garcia Alonso.
 *
 * 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 com.profesorfalken.jsensors;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Utility class that reads the content of the configuration file and convert it
 * into Properties.
 *
 * @author Javier Garcia Alonso
 */
final class SensorsConfig {
    
    private static final Logger LOGGER = LoggerFactory.getLogger(SensorsConfig.class);

    private static final String CONFIG_FILENAME = "jsensors.properties";

    private static Properties config;

    //Hide constructor
    private SensorsConfig() {
    }

    public static Properties getConfig() {
        if (config == null) {
            config = new Properties();
            try {
                //load a properties file from class path, inside static method
                config.load(SensorsConfig.class.getClassLoader().getResourceAsStream(CONFIG_FILENAME));
            } catch (IOException ex) {
                LOGGER.error("Cannot load config file " + CONFIG_FILENAME, ex);
            }
        }

        return config;
    }

    public static Map getConfigMap() {
        Map returnMap = new HashMap();
        Properties configProps = getConfig();

        for (final String propertyName : configProps.stringPropertyNames()) {
            returnMap.put(propertyName, configProps.getProperty(propertyName));
        }

        return returnMap;
    }
}