/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package jnlp.converter;

import java.util.regex.Pattern;

public enum Platform {

    UNKNOWN, WINDOWS, LINUX, MAC;

    private static final Platform platform;

    private static final int majorVersion;

    private static final int minorVersion;

    static {

        String os = System.getProperty("os.name").toLowerCase();

        if (os.contains("win")) {

            platform = Platform.WINDOWS;

        } else if (os.contains("nix") || os.contains("nux")) {

            platform = Platform.LINUX;

        } else if (os.contains("mac")) {

            platform = Platform.MAC;

        } else {

            platform = Platform.UNKNOWN;

        }

        String version = System.getProperty("os.version");

        String[] parts = version.split(Pattern.quote("."));

        if (parts.length > 0) {

            majorVersion = Integer.parseInt(parts[0]);

            if (parts.length > 1) {

                minorVersion = Integer.parseInt(parts[0]);

            } else {

                minorVersion = -1;

            }

        } else {

            majorVersion = -1;

            minorVersion = -1;

        }

    }

    private Platform() {

    }

    public static Platform getPlatform() {

        return platform;

    }

    public static boolean isWindows() {

        return (platform == Platform.WINDOWS);

    }

    public static int getMajorVersion() {

        return majorVersion;

    }

    public static int getMinorVersion() {

        return minorVersion;

    }

}