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/**
 * Copyright (C) 2010-2013 Alibaba Group Holding Limited
 *
 * 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.rocketmq.remoting.protocol;

import java.nio.charset.Charset;

import com.alibaba.fastjson.JSON;


/**
 * 复杂对象的序列化，利用json来实现
 * 
 * @author shijia.wxr
 * @since 2013-7-13
 */
public abstract class RemotingSerializable {
    public String toJson() {
        return toJson(false);
    }


    public String toJson(final boolean prettyFormat) {
        return toJson(this, prettyFormat);
    }


    public static String toJson(final Object obj, boolean prettyFormat) {
        return JSON.toJSONString(obj, prettyFormat);
    }


    public static  T fromJson(String json, Class classOfT) {
        return JSON.parseObject(json, classOfT);
    }


    public byte[] encode() {
        final String json = this.toJson();
        if (json != null) {
            return json.getBytes();
        }
        return null;
    }


    public static byte[] encode(final Object obj) {
        final String json = toJson(obj, false);
        if (json != null) {
            return json.getBytes(Charset.forName("UTF-8"));
        }
        return null;
    }


    public static  T decode(final byte[] data, Class classOfT) {
        final String json = new String(data, Charset.forName("UTF-8"));
        return fromJson(json, classOfT);
    }
}