1 package org.apache.lucene.benchmark.byTask.utils;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
21 import java.io.IOException;
26 public class FileUtils {
29 * Delete files and directories, even if non-empty.
31 * @param dir file or directory
32 * @return true on success, false if no or part of files have been deleted
33 * @throws java.io.IOException
35 public static boolean fullyDelete(File dir) throws IOException {
36 if (dir == null || !dir.exists()) return false;
37 File contents[] = dir.listFiles();
38 if (contents != null) {
39 for (int i = 0; i < contents.length; i++) {
40 if (contents[i].isFile()) {
41 if (!contents[i].delete()) {
45 if (!fullyDelete(contents[i])) {