001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.commons.io.file;
019
020import java.util.stream.Stream;
021
022import org.apache.commons.io.IOUtils;
023
024/**
025 * Defines the standard delete options.
026 *
027 * @since 2.8.0
028 */
029public enum StandardDeleteOption implements DeleteOption {
030
031    /**
032     * Overrides the read-only attribute to allow deletion, on POSIX, this means Write and Execute on the parent.
033     */
034    OVERRIDE_READ_ONLY;
035
036    /**
037     * Returns true if the given options contain {@link StandardDeleteOption#OVERRIDE_READ_ONLY}.
038     *
039     * For now, assume the array is not sorted.
040     *
041     * @param options the array to test
042     * @return true if the given options contain {@link StandardDeleteOption#OVERRIDE_READ_ONLY}.
043     */
044    public static boolean overrideReadOnly(final DeleteOption[] options) {
045        if (IOUtils.length(options) == 0) {
046            return false;
047        }
048        return Stream.of(options).anyMatch(e -> OVERRIDE_READ_ONLY == e);
049    }
050
051}