Here you can find the source of makeParent(File file)
public static void makeParent(File file)
//package com.java2s; /**// ww w . j a v a 2 s. co m * Copyright 1996-2013 Founder International Co.,Ltd. * * 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. * * @author shao */ import java.io.File; public class Main { public static void makeParent(String file) { makeParent(new File(file)); } public static void makeParent(File file) { if (file.getParentFile() != null && !file.getParentFile().exists()) { file.getParentFile().mkdirs(); } } }