%appdata% finder

appdatafinder.java

    
    private File appFileFinder(String folder, String file) {
        String OS = System.getProperty("os.name").toUpperCase();
        if (OS.contains("WIN")) {
            if (new File(System.getenv("APPDATA")).exists()) {
                if (!new File(System.getenv("APPDATA") + "/"+folder).exists()) {
                    new File(System.getenv("APPDATA") + "/"+folder).mkdirs();
                }
                return new File(System.getenv("APPDATA") + "/"+folder+"/" );
            }
            return new File(file);
        } else if (OS.contains("MAC")) {
            if (new File(System.getProperty("user.home") + "/Library/Application Support").exists()) {
                if (!new File(new File(System.getProperty("user.home") + "/Library/Application Support") + "/"+folder).exists()) {
                    new File(new File(System.getProperty("user.home") + "/Library/Application Support") + "/"+folder).mkdirs();
                }
                return new File(new File(System.getProperty("user.home") + "/Library/Application Support") +"/"+folder+"/" );
            }
            return new File(file);
        }
        return new File(file);
    }