redis数据迁移

package controllers;

import com.google.common.collect.Lists;
import com.google.gson.Gson;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.List;
import java.util.Map;

public class RedisFix extends ControllerBase {

    public static List<String> readFileByBytes(String fileName) {
        List<String> arrayList = Lists.newArrayList();
        try {
            FileReader fr = new FileReader(fileName);
            BufferedReader bf = new BufferedReader(fr);
            String str;
            // 按行读取字符串
            while ((str = bf.readLine()) != null) {
                arrayList.add(str);
            }
            bf.close();
            fr.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return arrayList;
    }

    static {
        initRedis();
    }

    public static void main(String[] args) {
        List<String> r = readFileByBytes("C:\\Users\\faker\\Desktop\\redis_2.json");

        Jedis jedis = pool.getResource();
        for (String e : r) {
            if (e == null || e.trim().equals("")) {
                continue;
            }
            RedisVo redisVo = new Gson().fromJson(e, RedisVo.class);
            if (redisVo.type.equals("list")) {
                List<String> values = (List<String>) redisVo.value;
                System.out.println(redisVo.key + "====" + values.size());
                if (values != null || values.size() > 0) {
                    for (String val : values) {
                        jedis.rpush(redisVo.key, val);
                    }
                }
            }
            if (redisVo.type.equals("hash")) {
                Map<String,String> values = (Map<String,String>) redisVo.value;
                System.out.println(redisVo.key + "====" + values.size());
                if (values != null || values.size() > 0) {
                    for (Map.Entry each : values.entrySet()) {
                        jedis.hset(redisVo.key, each.getKey().toString(), each.getValue().toString());

                    }
                }
            }

            if (redisVo.type.equals("string")) {
                String values = (String) redisVo.value;
                System.out.println(redisVo.key + "====" + values);
                if (values != null || values.length() > 0) {
                    jedis.set(redisVo.key,values);
                }
            }

        }
        jedis.close();
    }

    private static JedisPool pool;

    public static void initRedis() {
        JedisPoolConfig config = new JedisPoolConfig();
        config.setMaxTotal(100);
        config.setMaxIdle(5);
        config.setMaxWaitMillis(5000 * 100);
        config.setTestOnBorrow(true);
        String host = "47.***.**.***";
        String password = "123456******";
        pool = new JedisPool(config, host, 6379, 2000, password);
    }

    static class RedisVo {
        String db;
        String key;
        String type;
        Object value;
    }

}