01: package org.apache.lucene.benchmark.byTask.utils;
02:
03: /**
04: * Licensed to the Apache Software Foundation (ASF) under one or more
05: * contributor license agreements. See the NOTICE file distributed with
06: * this work for additional information regarding copyright ownership.
07: * The ASF licenses this file to You under the Apache License, Version 2.0
08: * (the "License"); you may not use this file except in compliance with
09: * the License. You may obtain a copy of the License at
10: *
11: * http://www.apache.org/licenses/LICENSE-2.0
12: *
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.
18: */
19:
20: import java.io.File;
21: import java.io.IOException;
22:
23: /**
24: * File utilities.
25: */
26: public class FileUtils {
27:
28: /**
29: * Delete files and directories, even if non-empty.
30: *
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
34: */
35: public static boolean fullyDelete(File dir) throws IOException {
36: if (dir == null || !dir.exists())
37: return false;
38: File contents[] = dir.listFiles();
39: if (contents != null) {
40: for (int i = 0; i < contents.length; i++) {
41: if (contents[i].isFile()) {
42: if (!contents[i].delete()) {
43: return false;
44: }
45: } else {
46: if (!fullyDelete(contents[i])) {
47: return false;
48: }
49: }
50: }
51: }
52: return dir.delete();
53: }
54:
55: }
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