content: /**
   * Copyright &copy; 2012-2016 <a href="https://github.com/thinkgem/jeesite">JeeSite</a> All rights reserved.
   */
  package com.jeespring.common.redis;
  
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import com.jeespring.common.utils.ObjectUtils;
  import com.jeespring.common.utils.SpringContextHolder;
  import com.jeespring.common.utils.StringUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.google.common.collect.Lists;
  import com.google.common.collect.Maps;
  import com.google.common.collect.Sets;
  
  import redis.clients.jedis.Jedis;
  import redis.clients.jedis.JedisPool;
  import redis.clients.jedis.exceptions.JedisException;
  
  /**
   * Jedis Cache 工具类
   * 
   * @author ThinkGem
   * @version 2014-6-29
   */
  public class JedisUtils {
  
  	private static Logger logger = LoggerFactory.getLogger(JedisUtils.class);
  	
  	private static JedisPool jedisPool = SpringContextHolder.getBean(JedisPool.class);
  
  	//public static final String KEY_PREFIX = Global.getConfig("redis.keyPrefix");
  	
  	/**
  	 * 获取缓存
  	 * @param key 键
  	 * @return 值
  	 */
  	public static String get(String key) {
  		String value = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(key)) {
  				value = jedis.get(key);
  				value = StringUtils.isNotBlank(value) && !"nil".equalsIgnoreCase(value) ? value : null;
  				logger.debug("get {} = {}", key, value);
  			}
  		} catch (Exception e) {
  			logger.warn("get {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return value;
  	}
  	
  	/**
  	 * 获取缓存
  	 * @param key 键
  	 * @return 值
  	 */
  	public static Object getObject(String key) {
  		Object value = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(getBytesKey(key))) {
  				value = toObject(jedis.get(getBytesKey(key)));
  				logger.debug("getObject {} = {}", key, value);
  			}
  		} catch (Exception e) {
  			logger.warn("getObject {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return value;
  	}
  	
  	/**
  	 * 设置缓存
  	 * @param key 键
  	 * @param value 值
  	 * @param cacheSeconds 超时时间，0为不超时
  	 * @return
  	 */
  	public static String set(String key, String value, int cacheSeconds) {
  		String result = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			result = jedis.set(key, value);
  			if (cacheSeconds != 0) {
  				jedis.expire(key, cacheSeconds);
  			}
  			logger.debug("set {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("set {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 设置缓存
  	 * @param key 键
  	 * @param value 值
  	 * @param cacheSeconds 超时时间，0为不超时
  	 * @return
  	 */
  	public static String setObject(String key, Object value, int cacheSeconds) {
  		String result = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			result = jedis.set(getBytesKey(key), toBytes(value));
  			if (cacheSeconds != 0) {
  				jedis.expire(key, cacheSeconds);
  			}
  			logger.debug("setObject {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("setObject {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 获取List缓存
  	 * @param key 键
  	 * @return 值
  	 */
  	public static List<String> getList(String key) {
  		List<String> value = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(key)) {
  				value = jedis.lrange(key, 0, -1);
  				logger.debug("getList {} = {}", key, value);
  			}
  		} catch (Exception e) {
  			logger.warn("getList {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return value;
  	}
  	
  	/**
  	 * 获取List缓存
  	 * @param key 键
  	 * @return 值
  	 */
  	public static List<Object> getObjectList(String key) {
  		List<Object> value = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(getBytesKey(key))) {
  				List<byte[]> list = jedis.lrange(getBytesKey(key), 0, -1);
  				value = Lists.newArrayList();
  				for (byte[] bs : list){
  					value.add(toObject(bs));
  				}
  				logger.debug("getObjectList {} = {}", key, value);
  			}
  		} catch (Exception e) {
  			logger.warn("getObjectList {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return value;
  	}
  	
  	/**
  	 * 设置List缓存
  	 * @param key 键
  	 * @param value 值
  	 * @param cacheSeconds 超时时间，0为不超时
  	 * @return
  	 */
  	public static long setList(String key, List<String> value, int cacheSeconds) {
  		long result = 0;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(key)) {
  				jedis.del(key);
  			}
  			result = jedis.rpush(key, (String[])value.toArray());
  			if (cacheSeconds != 0) {
  				jedis.expire(key, cacheSeconds);
  			}
  			logger.debug("setList {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("setList {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 设置List缓存
  	 * @param key 键
  	 * @param value 值
  	 * @param cacheSeconds 超时时间，0为不超时
  	 * @return
  	 */
  	public static long setObjectList(String key, List<Object> value, int cacheSeconds) {
  		long result = 0;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(getBytesKey(key))) {
  				jedis.del(key);
  			}
  			List<byte[]> list = Lists.newArrayList();
  			for (Object o : value){
  				list.add(toBytes(o));
  			}
  			result = jedis.rpush(getBytesKey(key), (byte[][])list.toArray());
  			if (cacheSeconds != 0) {
  				jedis.expire(key, cacheSeconds);
  			}
  			logger.debug("setObjectList {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("setObjectList {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 向List缓存中添加值
  	 * @param key 键
  	 * @param value 值
  	 * @return
  	 */
  	public static long listAdd(String key, String... value) {
  		long result = 0;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			result = jedis.rpush(key, value);
  			logger.debug("listAdd {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("listAdd {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 向List缓存中添加值
  	 * @param key 键
  	 * @param value 值
  	 * @return
  	 */
  	public static long listObjectAdd(String key, Object... value) {
  		long result = 0;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			List<byte[]> list = Lists.newArrayList();
  			for (Object o : value){
  				list.add(toBytes(o));
  			}
  			result = jedis.rpush(getBytesKey(key), (byte[][])list.toArray());
  			logger.debug("listObjectAdd {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("listObjectAdd {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  
  	/**
  	 * 获取缓存
  	 * @param key 键
  	 * @return 值
  	 */
  	public static Set<String> getSet(String key) {
  		Set<String> value = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(key)) {
  				value = jedis.smembers(key);
  				logger.debug("getSet {} = {}", key, value);
  			}
  		} catch (Exception e) {
  			logger.warn("getSet {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return value;
  	}
  	
  	/**
  	 * 获取缓存
  	 * @param key 键
  	 * @return 值
  	 */
  	public static Set<Object> getObjectSet(String key) {
  		Set<Object> value = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(getBytesKey(key))) {
  				value = Sets.newHashSet();
  				Set<byte[]> set = jedis.smembers(getBytesKey(key));
  				for (byte[] bs : set){
  					value.add(toObject(bs));
  				}
  				logger.debug("getObjectSet {} = {}", key, value);
  			}
  		} catch (Exception e) {
  			logger.warn("getObjectSet {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return value;
  	}
  	
  	/**
  	 * 设置Set缓存
  	 * @param key 键
  	 * @param value 值
  	 * @param cacheSeconds 超时时间，0为不超时
  	 * @return
  	 */
  	public static long setSet(String key, Set<String> value, int cacheSeconds) {
  		long result = 0;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(key)) {
  				jedis.del(key);
  			}
  			result = jedis.sadd(key, (String[])value.toArray());
  			if (cacheSeconds != 0) {
  				jedis.expire(key, cacheSeconds);
  			}
  			logger.debug("setSet {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("setSet {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 设置Set缓存
  	 * @param key 键
  	 * @param value 值
  	 * @param cacheSeconds 超时时间，0为不超时
  	 * @return
  	 */
  	public static long setObjectSet(String key, Set<Object> value, int cacheSeconds) {
  		long result = 0;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(getBytesKey(key))) {
  				jedis.del(key);
  			}
  			Set<byte[]> set = Sets.newHashSet();
  			for (Object o : value){
  				set.add(toBytes(o));
  			}
  			result = jedis.sadd(getBytesKey(key), (byte[][])set.toArray());
  			if (cacheSeconds != 0) {
  				jedis.expire(key, cacheSeconds);
  			}
  			logger.debug("setObjectSet {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("setObjectSet {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 向Set缓存中添加值
  	 * @param key 键
  	 * @param value 值
  	 * @return
  	 */
  	public static long setSetAdd(String key, String... value) {
  		long result = 0;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			result = jedis.sadd(key, value);
  			logger.debug("setSetAdd {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("setSetAdd {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  
  	/**
  	 * 向Set缓存中添加值
  	 * @param key 键
  	 * @param value 值
  	 * @return
  	 */
  	public static long setSetObjectAdd(String key, Object... value) {
  		long result = 0;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			Set<byte[]> set = Sets.newHashSet();
  			for (Object o : value){
  				set.add(toBytes(o));
  			}
  			result = jedis.rpush(getBytesKey(key), (byte[][])set.toArray());
  			logger.debug("setSetObjectAdd {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("setSetObjectAdd {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 获取Map缓存
  	 * @param key 键
  	 * @return 值
  	 */
  	public static Map<String, String> getMap(String key) {
  		Map<String, String> value = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(key)) {
  				value = jedis.hgetAll(key);
  				logger.debug("getMap {} = {}", key, value);
  			}
  		} catch (Exception e) {
  			logger.warn("getMap {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return value;
  	}
  	
  	/**
  	 * 获取Map缓存
  	 * @param key 键
  	 * @return 值
  	 */
  	public static Map<String, Object> getObjectMap(String key) {
  		Map<String, Object> value = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(getBytesKey(key))) {
  				value = Maps.newHashMap();
  				Map<byte[], byte[]> map = jedis.hgetAll(getBytesKey(key));
  				for (Map.Entry<byte[], byte[]> e : map.entrySet()){
  					value.put(StringUtils.toString(e.getKey()), toObject(e.getValue()));
  				}
  				logger.debug("getObjectMap {} = {}", key, value);
  			}
  		} catch (Exception e) {
  			logger.warn("getObjectMap {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return value;
  	}
  	
  	/**
  	 * 设置Map缓存
  	 * @param key 键
  	 * @param value 值
  	 * @param cacheSeconds 超时时间，0为不超时
  	 * @return
  	 */
  	public static String setMap(String key, Map<String, String> value, int cacheSeconds) {
  		String result = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(key)) {
  				jedis.del(key);
  			}
  			result = jedis.hmset(key, value);
  			if (cacheSeconds != 0) {
  				jedis.expire(key, cacheSeconds);
  			}
  			logger.debug("setMap {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("setMap {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 设置Map缓存
  	 * @param key 键
  	 * @param value 值
  	 * @param cacheSeconds 超时时间，0为不超时
  	 * @return
  	 */
  	public static String setObjectMap(String key, Map<String, Object> value, int cacheSeconds) {
  		String result = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(getBytesKey(key))) {
  				jedis.del(key);
  			}
  			Map<byte[], byte[]> map = Maps.newHashMap();
  			for (Map.Entry<String, Object> e : value.entrySet()){
  				map.put(getBytesKey(e.getKey()), toBytes(e.getValue()));
  			}
  			result = jedis.hmset(getBytesKey(key), (Map<byte[], byte[]>)map);
  			if (cacheSeconds != 0) {
  				jedis.expire(key, cacheSeconds);
  			}
  			logger.debug("setObjectMap {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("setObjectMap {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 向Map缓存中添加值
  	 * @param key 键
  	 * @param value 值
  	 * @return
  	 */
  	public static String mapPut(String key, Map<String, String> value) {
  		String result = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			result = jedis.hmset(key, value);
  			logger.debug("mapPut {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("mapPut {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 向Map缓存中添加值
  	 * @param key 键
  	 * @param value 值
  	 * @return
  	 */
  	public static String mapObjectPut(String key, Map<String, Object> value) {
  		String result = null;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			Map<byte[], byte[]> map = Maps.newHashMap();
  			for (Map.Entry<String, Object> e : value.entrySet()){
  				map.put(getBytesKey(e.getKey()), toBytes(e.getValue()));
  			}
  			result = jedis.hmset(getBytesKey(key), (Map<byte[], byte[]>)map);
  			logger.debug("mapObjectPut {} = {}", key, value);
  		} catch (Exception e) {
  			logger.warn("mapObjectPut {} = {}", key, value, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 移除Map缓存中的值
  	 * @param key 键
  	 * @return
  	 */
  	public static long mapRemove(String key, String mapKey) {
  		long result = 0;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			result = jedis.hdel(key, mapKey);
  			logger.debug("mapRemove {}  {}", key, mapKey);
  		} catch (Exception e) {
  			logger.warn("mapRemove {}  {}", key, mapKey, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 移除Map缓存中的值
  	 * @param key 键
  	 * @return
  	 */
  	public static long mapObjectRemove(String key, String mapKey) {
  		long result = 0;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			result = jedis.hdel(getBytesKey(key), getBytesKey(mapKey));
  			logger.debug("mapObjectRemove {}  {}", key, mapKey);
  		} catch (Exception e) {
  			logger.warn("mapObjectRemove {}  {}", key, mapKey, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 判断Map缓存中的Key是否存在
  	 * @param key 键
  	 * @return
  	 */
  	public static boolean mapExists(String key, String mapKey) {
  		boolean result = false;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			result = jedis.hexists(key, mapKey);
  			logger.debug("mapExists {}  {}", key, mapKey);
  		} catch (Exception e) {
  			logger.warn("mapExists {}  {}", key, mapKey, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 判断Map缓存中的Key是否存在
  	 * @param key 键
  	 * @return
  	 */
  	public static boolean mapObjectExists(String key, String mapKey) {
  		boolean result = false;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			result = jedis.hexists(getBytesKey(key), getBytesKey(mapKey));
  			logger.debug("mapObjectExists {}  {}", key, mapKey);
  		} catch (Exception e) {
  			logger.warn("mapObjectExists {}  {}", key, mapKey, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 删除缓存
  	 * @param key 键
  	 * @return
  	 */
  	public static long del(String key) {
  		long result = 0;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(key)){
  				result = jedis.del(key);
  				logger.debug("del {}", key);
  			}else{
  				logger.debug("del {} not exists", key);
  			}
  		} catch (Exception e) {
  			logger.warn("del {}", key, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  
  	/**
  	 * 删除缓存
  	 * @param key 键
  	 * @return
  	 */
  	public static long delObject(String key) {
  		long result = 0;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			if (jedis.exists(getBytesKey(key))){
  				result = jedis.del(getBytesKey(key));
  				logger.debug("delObject {}", key);
  			}else{
  				logger.debug("delObject {} not exists", key);
  			}
  		} catch (Exception e) {
  			logger.warn("delObject {}", key, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 缓存是否存在
  	 * @param key 键
  	 * @return
  	 */
  	public static boolean exists(String key) {
  		boolean result = false;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			result = jedis.exists(key);
  			logger.debug("exists {}", key);
  		} catch (Exception e) {
  			logger.warn("exists {}", key, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  	
  	/**
  	 * 缓存是否存在
  	 * @param key 键
  	 * @return
  	 */
  	public static boolean existsObject(String key) {
  		boolean result = false;
  		Jedis jedis = null;
  		try {
  			jedis = getResource();
  			result = jedis.exists(getBytesKey(key));
  			logger.debug("existsObject {}", key);
  		} catch (Exception e) {
  			logger.warn("existsObject {}", key, e);
  		} finally {
  			returnResource(jedis);
  		}
  		return result;
  	}
  
  	/**
  	 * 获取资源
  	 * @return
  	 * @throws JedisException
  	 */
  	public static Jedis getResource() throws JedisException {
  		Jedis jedis = null;
  		try {
  			jedis = jedisPool.getResource();
  //			logger.debug("getResource.", jedis);
  		} catch (JedisException e) {
  			logger.warn("getResource.", e);
  			returnBrokenResource(jedis);
  			throw e;
  		}
  		return jedis;
  	}
  
  	/**
  	 * 归还资源
  	 * @param jedis
  	 */
  	public static void returnBrokenResource(Jedis jedis) {
  		if (jedis != null) {
  			jedisPool.returnBrokenResource(jedis);
  		}
  	}
  	
  	/**
  	 * 释放资源
  	 * @param jedis
  	 */
  	public static void returnResource(Jedis jedis) {
  		if (jedis != null) {
  			jedisPool.returnResource(jedis);
  		}
  	}
  
  	/**
  	 * 获取byte[]类型Key
  	 * @return
  	 */
  	public static byte[] getBytesKey(Object object){
  		if(object instanceof String){
      		return StringUtils.getBytes((String)object);
      	}else{
      		return ObjectUtils.serialize(object);
      	}
  	}
  	
  	/**
  	 * 获取byte[]类型Key
  	 * @param key
  	 * @return
  	 */
  	public static Object getObjectKey(byte[] key){
  		try{
  			return StringUtils.toString(key);
  		}catch(UnsupportedOperationException uoe){
  			try{
  				return JedisUtils.toObject(key);
  			}catch(UnsupportedOperationException uoe2){
  				uoe2.printStackTrace();
  			}
  		}
  		return null;
  	}
  	
  	/**
  	 * Object转换byte[]类型
  	 * @return
  	 */
  	public static byte[] toBytes(Object object){
      	return ObjectUtils.serialize(object);
  	}
  
  	/**
  	 * byte[]型转换Object
  	 * @return
  	 */
  	public static Object toObject(byte[] bytes){
  		return ObjectUtils.unserialize(bytes);
  	}
  
  }
  