001/*
002 *    Copyright 2024-2025, Warm-Flow (290631660@qq.com).
003 *
004 *    Licensed under the Apache License, Version 2.0 (the "License");
005 *    you may not use this file except in compliance with the License.
006 *    You may obtain a copy of the License at
007 *
008 *       https://www.apache.org/licenses/LICENSE-2.0
009 *
010 *    Unless required by applicable law or agreed to in writing, software
011 *    distributed under the License is distributed on an "AS IS" BASIS,
012 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *    See the License for the specific language governing permissions and
014 *    limitations under the License.
015 */
016package org.dromara.warm.plugin.json;
017
018import com.google.gson.Gson;
019import com.google.gson.reflect.TypeToken;
020import org.dromara.warm.flow.core.json.JsonConvert;
021import org.dromara.warm.flow.core.utils.MapUtil;
022import org.dromara.warm.flow.core.utils.StringUtils;
023
024import java.lang.reflect.Type;
025import java.util.HashMap;
026import java.util.Map;
027
028/**
029 * fastjson：map和json字符串转换工具类
030 *
031 * @author warm
032 */
033public class JsonConvertGson implements JsonConvert {
034
035    private static final Gson gson = new Gson();
036
037    /**
038     * 将字符串转为map
039     * @param jsonStr json字符串
040     * @return map
041     */
042    @Override
043    public Map<String, Object> strToMap(String jsonStr) {
044        if (StringUtils.isNotEmpty(jsonStr)) {
045            Type type = new TypeToken<Map<String, Object>>(){}.getType();
046            return gson.fromJson(jsonStr, type);
047        }
048        return new HashMap<>();
049    }
050
051    /**
052     * 将map转为字符串
053     * @param variable map
054     * @return json字符串
055     */
056    @Override
057    public String mapToStr(Map<String, Object> variable) {
058        if (MapUtil.isNotEmpty(variable)) {
059            return gson.toJson(variable);
060        }
061        return null;
062    }
063
064}