/*
 * Copyright (c) 2002-2012 Alibaba Group Holding Limited.
 * All rights reserved.
 *
 * Licensed 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.
 */

package com.alibaba.citrus.service.resource;

import java.util.Set;

/**
 * 代表一个<code>ResourceLister</code>调用的上下文信息。
 *
 * @author Michael Zhou
 */
public interface ResourceListerContext extends ResourceMatchResult {
    /**
     * 取得资源的子目录或文件名列表。和<code>ResourceLoadingService.list()</code> 的逻辑不同，该方法是被
     * <code>ResourceLoader</code>内部使用的：
     * <ul>
     * <li>将除去重复的匹配，避免无限循环。</li>
     * </ul>
     * <p>
     * 如被列表的资源根本不存在，则返回<code>null</code>。
     * </p>
     */
    String[] list(String newResourceName, Set<ResourceLoadingOption> options);
}