com.epam.deltix.util.os.SystemInfo Maven / Gradle / Ivy

Go to download
/*
 * Copyright 2021 EPAM Systems, Inc
 *
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. 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.epam.deltix.util.os;

import com.sun.jna.platform.win32.Shell32Util;

import java.io.File;

/**
 *
 */
public class SystemInfo {

    public static final boolean  IS_WINDOWS      = System.getProperty ("path.separator").equals(";");

    /*
        Returns platform-specific 'UserProfile' path
     */
    public static String            getUserProfile() {
        return IS_WINDOWS ?
                System.getenv("USERPROFILE") :
                System.getProperty("user.home");
    }

    /*
        Returns platform-specific user 'AppData' path
     */
    public static String            getAppData() {
        if (IS_WINDOWS) {
            String path = System.getenv("APPDATA");
            if (path == null)
                path = Shell32Util.getFolderPath(WindowsUtils.CSIDL_APPDATA);

            return path != null ? path : getUserProfile();
        } else {
            return getUserProfile();
        }
    }

    /*
       Returns platform-specific 'Application Data' location for the given application
       Linux path is '/.application'
       Windows path is '/application'
    */
    public static File getAppData(String application) {
        String path = getAppData();
        return new File(path, IS_WINDOWS ? application : "." + application);
    }
    
    public static void main(String[] args) {
        System.out.println("User profile: " + getUserProfile());
        System.out.println("AppData: " + getAppData());
    }
}