package org.apache.lucene.benchmark.byTask.utils;
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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;
/**
* File utilities.
*/
public class FileUtils {
/**
* Delete files and directories, even if non-empty.
*
* @param dir file or directory
* @return true on success, false if no or part of files have been deleted
* @throws java.io.IOException
*/
public static boolean fullyDelete(File dir) throws IOException {
if (dir == null || !dir.exists()) return false;
File contents[] = dir.listFiles();
if (contents != null) {
for (int i = 0; i < contents.length; i++) {
if (contents[i].isFile()) {
if (!contents[i].delete()) {
return false;
}
} else {
if (!fullyDelete(contents[i])) {
return false;
}
}
}
}
return dir.delete();
}
}