/*
 * Copyright (c) 2023 looly(loolly@aliyun.com)
 * Hutool is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          https://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */

package org.dromara.hutool.http.server.filter;

import org.dromara.hutool.http.server.HttpServerRequest;
import org.dromara.hutool.http.server.HttpServerResponse;
import com.sun.net.httpserver.Filter;

import java.io.IOException;

/**
 * 过滤器接口，用于简化{@link Filter} 使用
 *
 * @author looly
 * @since 5.5.7
 */
@FunctionalInterface
public interface HttpFilter {

	/**
	 * 执行过滤
	 * @param req {@link HttpServerRequest} 请求对象，用于获取请求内容
	 * @param res {@link HttpServerResponse} 响应对象，用于写出内容
	 * @param chain {@link Filter.Chain}
	 * @throws IOException IO异常
	 */
	void doFilter(HttpServerRequest req, HttpServerResponse res, Filter.Chain chain) throws IOException;
}
