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/**
 * Copyright (C) 2012 - 101loops.com 
 *
 * 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.crashnote.core.config;

import com.crashnote.external.config.Config;
import com.crashnote.external.config.ConfigFactory;
import com.crashnote.external.config.ConfigParseOptions;

import java.util.Properties;

/**
 * Create Config instance from various input sources.
 */
public class ConfigLoader {

    // SETUP =====================================================================================

    public ConfigLoader() {
        // nothing to do
    }


    // INTERFACE ==================================================================================

    /**
     * create Config from environment props
     */
    public Config fromEnvProps() {
        return ConfigFactory.systemEnvironment();
    }

    /**
     * create Config from system props
     */
    public Config fromSystemProps() {
        return ConfigFactory.systemProperties();
    }

    /**
     * create Config from loading file
     */
    public Config fromFile(final String name) {
        return ConfigFactory.load(name + ".conf");
    }

    /**
     * create Config from String
     */
    public Config fromString(final String str) {
        return ConfigFactory.parseString(str);
    }

    /**
     * create Config from properties
     */
    public Config fromProps(final Properties props, final String descr) {
        final ConfigParseOptions opts =  ConfigParseOptions.defaults().setOriginDescription(descr);
        return ConfigFactory.parseProperties(props, opts);
    }
}