cuchaz.m3l.util.OperatingSystem.java Source code

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Here is the source code for cuchaz.m3l.util.OperatingSystem.java

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/*******************************************************************************
 * Copyright (c) 2015 Contributors.
 * All rights reserved. This program and the accompanying materials are made available under
 * the terms of the GNU Lesser General Public
 * License v3.0 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 ******************************************************************************/
package cuchaz.m3l.util;

import org.apache.commons.lang3.SystemUtils;

import java.io.File;

public enum OperatingSystem {
    Windows {
        @Override
        public File getMinecraftDir() {
            // get the user's home directory
            File dirHome = new File(System.getProperty("user.home"));

            // let app data override the home dir if it exists
            String pathAppData = System.getenv("APPDATA");
            if (pathAppData != null) {
                dirHome = new File(pathAppData);
            }

            return new File(dirHome, ".minecraft");
        }

        @Override
        public boolean isNative(String filename) {
            return filename.endsWith(".dll");
        }
    },
    Osx {
        @Override
        public File getMinecraftDir() {
            return new File(new File(System.getProperty("user.home")), "Library/Application Support/minecraft");
        }

        @Override
        public boolean isNative(String filename) {
            return filename.endsWith(".jnilib") || filename.endsWith(".dylib");
        }
    },
    Linux {
        @Override
        public File getMinecraftDir() {
            return new File(new File(System.getProperty("user.home")), ".minecraft");
        }

        @Override
        public boolean isNative(String filename) {
            return filename.endsWith(".so");
        }
    };

    public static OperatingSystem get() {
        if (SystemUtils.IS_OS_WINDOWS) {
            return Windows;
        } else if (SystemUtils.IS_OS_MAC) {
            return Osx;
        }

        // just assume linux for everything else
        return Linux;
    }

    public static OperatingSystem get(String name) {
        // these names are from Minecraft's json files
        name = name.toLowerCase();
        if (name.equals("windows") || name.equals("win")) {
            return Windows;
        } else if (name.equals("osx") || name.equals("mac")) {
            return Osx;
        } else if (name.equals("linux")) {
            return Linux;
        } else {
            return null;
        }
    }

    public abstract File getMinecraftDir();

    public abstract boolean isNative(String filename);
}