    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 -> StandardDeleteOption.OVERRIDE_READ_ONLY == e);
    049    }
    050
    051}