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Common Configuration library for the yildiz project, contains utilities to handle configuration.

There is a newer version: 1.5.0

/*
 *
 * This file is part of the Yildiz-Engine project, licenced under the MIT License  (MIT)
 *
 * Copyright (c) 2019 Grégory Van den Borre
 *
 * More infos available: https://engine.yildiz-games.be
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without
 * limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial
 *  portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 *  WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 * OR COPYRIGHT  HOLDERS BE LIABLE FOR ANY CLAIM,
 *  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE  SOFTWARE.
 *
 *
 */

package be.yildizgames.common.configuration;

import be.yildizgames.common.logging.PreLogger;

import java.util.Objects;
import java.util.Properties;

/**
 * Provide default configuration values.
 * @author Grécory Van den Borre
 */
public class ConfigurationNotFoundDefault implements ConfigurationNotFoundStrategy {

    /**
     * As the logger has not read its config, using prelogger.
     */
    private final PreLogger preLogger = new PreLogger();

    /**
     * Default properties to use.
     */
    private final Properties properties;

    /**
     * Create a new instance from a properties object.
     * @param properties Default properties.
     */
    private ConfigurationNotFoundDefault(final Properties properties) {
        super();
        Objects.requireNonNull(properties);
        this.properties = properties;
    }

    /**
     * Create a new instance from a properties object.
     * @param properties Default properties.
     */
    private ConfigurationNotFoundDefault(final Properties properties, ConfigurationNotFoundAdditionalBehavior behavior) {
        this(properties);
        behavior.execute();
    }

    public static ConfigurationNotFoundStrategy fromDefault(Properties properties) {
        return new ConfigurationNotFoundDefault(properties);
    }

    public static ConfigurationNotFoundStrategy fromDefault(Properties properties, ConfigurationNotFoundAdditionalBehavior behavior) {
        return new ConfigurationNotFoundDefault(properties, behavior);
    }

    @Override
    public final Properties notFound() {
        this.preLogger.info("Loading properties failed, fallback to default values.");
        return this.properties;
    }
}