/**
 * Copyright (c) 2015-2021, Michael Yang 杨福海 (fuhai999@gmail.com).
 * <p>
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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 io.jboot.components.serializer;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.jfinal.log.Log;

import java.io.Serializable;


public class FastJsonSerializer implements JbootSerializer {

    private static final Log LOG = Log.getLog(FastJsonSerializer.class);

    @Override
    public byte[] serialize(Object obj) {
        if (obj == null) {
            return null;
        }
        FastJsonCacheObject object = new FastJsonCacheObject(obj.getClass(), obj);
        String string = JSON.toJSONString(object);
        return string.getBytes();
    }

    @Override
    public Object deserialize(byte[] bytes) {
        if (bytes == null || bytes.length == 0) {
            return null;
        }
        String json = new String(bytes);
        JSONObject jsonObject = null;
        Class<?> clazz = null;
        try {
            jsonObject = JSON.parseObject(json);
            clazz = Class.forName(jsonObject.getString("clazz"));
        } catch (Exception e) {
            LOG.error(e.toString(), e);
            return null;
        }
        return jsonObject.getObject("object", clazz);
    }


    public static class FastJsonCacheObject implements Serializable {
        private Class<?> clazz;
        private Object object;

        public FastJsonCacheObject() {
        }

        public FastJsonCacheObject(Class<?> clazz, Object object) {
            this.clazz = clazz;
            this.object = object;
        }

        public Class<?> getClazz() {
            return clazz;
        }

        public void setClazz(Class<?> clazz) {
            this.clazz = clazz;
        }

        public Object getObject() {
            return object;
        }

        public void setObject(Object object) {
            this.object = object;
        }
    }


}
