MainUtils.java

/*******************************************************************************
 * Copyright (c) 2015
 *
 * 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
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package jsettlers.common.utils;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

/**
 * Class to cluster util functions concerning the main classes.
 * 
 * @author Andreas Eberle
 * 
 */
public final class MainUtils {
	private static final String OPTIONS_FILE_NAME = "options.prp";

	private MainUtils() {
	}

	public static OptionableProperties loadOptions(String[] args) {
		File optionsFile = new File(OPTIONS_FILE_NAME);
		OptionableProperties options = new OptionableProperties();
		if (optionsFile.exists()) {
			System.out.println("Found default command line options file. Starting to read.");
			try {
				options.load(new BufferedInputStream(new FileInputStream(optionsFile)));
				System.out.println("Default command line options file successfully read.");
			} catch (IOException e) {
				System.err.println("Failed to read default command line options file.");
				e.printStackTrace();
			}
		} else {
			System.out.println("No default command line options file found.");
		}

		options.loadArguments(args);
		System.out.println("Options loaded: " + options.toString());

		return options;
	}

}