com.mpush.api.protocol.JsonPacket.java Source code

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Here is the source code for com.mpush.api.protocol.JsonPacket.java

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/*
 * (C) Copyright 2015-2016 the original author or authors.
 *
 * 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.
 *
 * Contributors:
 *     ohun@live.cn ()
 */

package com.mpush.api.protocol;

import com.mpush.api.Constants;
import com.mpush.api.spi.common.Json;
import com.mpush.api.spi.common.JsonFactory;
import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;
import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;

import java.util.Map;

/**
 * Created by ohun on 2016/12/16.
 *
 * @author ohun@live.cn ()
 */
public final class JsonPacket extends Packet {

    public Map<String, Object> body;

    public JsonPacket() {
        super(Command.UNKNOWN);
        this.addFlag(FLAG_JSON_BODY);
    }

    public JsonPacket(Command cmd) {
        super(cmd);
        this.addFlag(FLAG_JSON_BODY);
    }

    public JsonPacket(Command cmd, int sessionId) {
        super(cmd, sessionId);
        this.addFlag(FLAG_JSON_BODY);
    }

    @Override
    @SuppressWarnings("unchecked")
    public Map<String, Object> getBody() {
        return body;
    }

    @Override
    @SuppressWarnings("unchecked")
    public <T> void setBody(T body) {
        this.body = (Map<String, Object>) body;
    }

    @Override
    public int getBodyLength() {
        return body == null ? 0 : body.size();
    }

    @Override
    public Packet response(Command command) {
        return new JsonPacket(command, sessionId);
    }

    @Override
    public Object toFrame(Channel channel) {
        byte[] json = Json.JSON.toJson(this).getBytes(Constants.UTF_8);
        return new TextWebSocketFrame(Unpooled.wrappedBuffer(json));
    }

    @Override
    public String toString() {
        return "JsonPacket{" + "cmd=" + cmd + ", cc=" + cc + ", flags=" + flags + ", sessionId=" + sessionId
                + ", lrc=" + lrc + ", body=" + body + '}';
    }
}