Os.java

/*
 * Copyright (C) 2015 drrb
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.github.drrb.rust.netbeans.configuration;

import com.github.drrb.rust.netbeans.commandrunner.Shell;
import static java.util.Arrays.asList;
import java.util.Collections;
import java.util.List;
import java.util.Locale;

public enum Os {

    MAC(asList("mac", "darwin"), Shell.BASH),
    WINDOWS(asList("win"), Shell.CMD),
    GNU_SLASH_LINUX(asList("nux"), Shell.BASH),
    UNKNOWN(Collections.<String>emptyList(), Shell.BASH);

    private final List<String> substrings;
    private final Shell shell;

    private Os(List<String> substrings, Shell shell) {
        this.substrings = substrings;
        this.shell = shell;
    }

    public Shell shell() {
        return shell;
    }

    public static Os getCurrent() {
        for (Os os : values()) {
            if (os.isCurrent()) {
                return os;
            }
        }
        return UNKNOWN;
    }

    public boolean isCurrent() {
        for (String substring : substrings) {
            if (currentOsString().contains(substring)) {
                return true;
            }
        }
        return false;
    }

    private static boolean currentIs64Bit() {
        return System.getProperty("os.arch").contains("64");
    }

    private static String currentOsString() {
        return System.getProperty("os.name", "unknown").toLowerCase(Locale.ENGLISH);
    }
}