Method mkdirsOrThrow

app/src/main/java/cc/ioctl/tmoe/util/IoUtils.java:110–117

Used to create a directory if it does not exist. This will throw an unsafe IOException if the directory cannot be created. Only use this when you think mkdirs() must be successful. @param dir the directory to create if it does not exist @return the same directory as the parameter

(@NonNull File dir)

     * @return the same directory as the parameter
     */
    @NonNull
    public static File mkdirsOrThrow(@NonNull File dir) {
        Objects.requireNonNull(dir, "dir == null");
        if (!dir.exists() && !dir.mkdirs()) {
            unsafeThrow(new IOException("Failed to create directory: " + dir.getAbsolutePath()));
        }
        return dir;
    }

    public static AssertionError unsafeThrow(@NonNull Throwable t) {
        Objects.requireNonNull(t, "t == null");