ru.jts.common.network.ClientPacket.java Source code

Introduction

Here is the source code for ru.jts.common.network.ClientPacket.java

Source

/*
 * Copyright 2014 jts
 *
 * 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 ru.jts.common.network;

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import io.netty.buffer.ByteBuf;

import java.io.IOException;
import java.util.Map;

/**
 * @author: Camelion
 * @date: 01.11.13/23:18
 */
public abstract class ClientPacket<T extends IClient> implements Runnable {

    protected ByteBuf content;
    private T client;

    public void setContent(ByteBuf content) {
        this.content = content;
    }

    public abstract void readImpl();

    public abstract void runImpl();

    @Override
    public void run() {
        readImpl();
        runImpl();
    }

    protected Map<String, String> readJson() {
        short size = content.readUnsignedByte();

        byte[] json = new byte[size];
        content.readBytes(json);

        ObjectMapper om = new ObjectMapper();
        try {

            return om.readValue(json, new TypeReference<Map<String, String>>() {
            });
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    protected byte readByte() {
        return content.readByte();
    }

    protected short readShort() {
        return content.readShort();
    }

    protected String readString(int bytesCount) {
        byte b[] = new byte[bytesCount];
        content.readBytes(b);
        return new String(b);
    }

    protected byte[] readBytes(int count) {
        byte b[] = new byte[count];
        content.readBytes(b);
        return b;
    }

    public T getClient() {
        return client;
    }

    public void setClient(T client) {
        this.client = client;
    }
}