PropertyUtil.java

package org.jazzteam.fitnesclub.repository.jdbc;

import lombok.extern.slf4j.Slf4j;

import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Paths;
import java.util.Properties;

@Slf4j
public class PropertyUtil {

    private static final String APPLICATION_PROPERTIES_PATH = "application.properties";
    private static final Properties properties = new Properties();

    static {
        loadProperties();
    }

    private static void loadProperties() {

        try (InputStream inputStream = PropertyUtil.class.getClassLoader()
                .getResourceAsStream(APPLICATION_PROPERTIES_PATH)) {
            properties.load(inputStream);
        } catch (IOException ex) {
            log.error(ex.getMessage());
            throw new IllegalStateException("Config file not found by path " + Paths.get(APPLICATION_PROPERTIES_PATH));
        }
    }

    private PropertyUtil() {
    }

    public static String getProperty(String key) {
        return properties.getProperty(key);
    }
}