Here you can find the source of createTemporaryDirectory(File baseDirectory)
public static File createTemporaryDirectory(File baseDirectory) throws IOException
//package com.java2s; /**/*from w w w .j a v a2 s .com*/ * Copyright 2011-2017 Asakusa Framework Team. * * 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. */ import java.io.File; import java.io.IOException; import java.text.MessageFormat; import java.util.UUID; public class Main { public static File createTemporaryDirectory(File baseDirectory) throws IOException { File f = new File(baseDirectory, UUID.randomUUID().toString()); if (f.mkdirs() == false) { throw new IOException( MessageFormat.format("error occurred while creating a temporary directory: {0}", f)); } return f; } }