Here you can find the source of mkdirs(final File f)
public static void mkdirs(final File f) throws IOException
//package com.java2s; /*/* w ww .j av a 2s . c o m*/ * #%L * xcode-maven-plugin * %% * Copyright (C) 2012 SAP AG * %% * 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. * #L% */ import java.io.File; import java.io.IOException; public class Main { public static void mkdirs(final File f) throws IOException { if (f.exists() && !f.isDirectory()) throw new IOException(String.format("'%s' does already exist but is not a directory.", f)); if (!f.exists() && !f.mkdirs()) throw new IOException("Could not create folder '" + f + "'."); } }