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/*
 * Copyright (c) 2018-2019.‭‭‭‭‭‭‭‭‭‭‭‭[zuoqinggang] www.pingfangushi.com
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */


package cn.smallbun.scaffold.framework.common.toolkit;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.TypeReference;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

/**
 * MapUtils
 *
 * @author SanLi
 * Created  by [email protected]  on 2018/1/11
 */
public class MapUtils {
	public static Map getParameterMap(HttpServletRequest request) {
		// 参数Map
		Map properties = request.getParameterMap();
		// 返回值Map
		Map returnMap = new HashMap<>(16);
		Iterator> entries = properties.entrySet().iterator();
		Map.Entry entry;
		String name;
		String value = "";
		while (entries.hasNext()) {
			entry = entries.next();
			name = entry.getKey();
			Object valueObj = entry.getValue();
			if (null == valueObj) {
				value = "";
			} else {
				String[] values = (String[]) valueObj;
				for (String value1 : values) {
					value = value1 + ",";
				}
				value = value.substring(0, value.length() - 1);
			}
			returnMap.put(name, value);
		}
		return returnMap;
	}

	/**
	 * Bean 转Map
	 * @param o o
	 * @return {@link Map} result
	 */
	public static Map beanToMap(Object o) {
		return JSONObject.parseObject(JSON.toJSONString(o), new TypeReference>() {
		});
	}
}