/*
 * Copyright 1999-2023 Alibaba Group Holding Ltd.
 *
 * 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.nacos.core.paramcheck;

import com.alibaba.nacos.api.exception.NacosException;
import com.alibaba.nacos.common.paramcheck.ParamInfo;

import jakarta.servlet.http.HttpServletRequest;
import java.util.List;

/**
 * Extract param from http-request.
 *
 * @author zhuoguang
 */
public abstract class AbstractHttpParamExtractor implements ParamExtractor<HttpServletRequest, ParamInfo> {
    
    /**
     * Extract param.
     *
     * @param request the request
     * @return the list
     * @throws NacosException the exception
     */
    @Override
    public abstract List<ParamInfo> extractParam(HttpServletRequest request) throws NacosException;
    
}
