    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 org.apache.commons.io.IOUtils;
    021
    022/**
    023 * Defines the standard delete options.
    024 *
    025 * @since 2.8.0
    026 */
    027public enum StandardDeleteOption implements DeleteOption {
    028
    029    /**
    030     * Overrides the read-only attribute to allow deletion.
    031     */
    032    OVERRIDE_READ_ONLY;
    033
    034    /**
    035     * Returns true if the given options contain {@link StandardDeleteOption#OVERRIDE_READ_ONLY}.
    036     *
    037     * For now, assume the array is not sorted.
    038     *
    039     * @param options the array to test
    040     * @return true if the given options contain {@link StandardDeleteOption#OVERRIDE_READ_ONLY}.
    041     */
    042    public static boolean overrideReadOnly(final DeleteOption[] options) {
    043        if (IOUtils.length(options) == 0) {
    044            return false;
    045        }
    046        for (final DeleteOption deleteOption : options) {
    047            if (deleteOption == StandardDeleteOption.OVERRIDE_READ_ONLY) {
    048                return true;
    049            }
    050        }
    051        return false;
    052    }
    053
    054}