| 提交 | 用户 | 时间 | ||
| 722af2 | 1 | package com.dl.framework.handler; |
| X | 2 | |
| 3 | import com.dl.common.utils.StringUtils; | |
| 4 | import org.redisson.api.NameMapper; | |
| 5 | ||
| 6 | /** | |
| 7 | * redis缓存key前缀处理 | |
| 8 | * | |
| 9 | * @author ye | |
| 10 | * @date 2022/7/14 17:44 | |
| 11 | * @since 4.3.0 | |
| 12 | */ | |
| 13 | public class KeyPrefixHandler implements NameMapper { | |
| 14 | ||
| 15 | private final String keyPrefix; | |
| 16 | ||
| 17 | public KeyPrefixHandler(String keyPrefix) { | |
| 18 | //前缀为空 则返回空前缀 | |
| 19 | this.keyPrefix = StringUtils.isBlank(keyPrefix) ? "" : keyPrefix + ":"; | |
| 20 | } | |
| 21 | ||
| 22 | /** | |
| 23 | * 增加前缀 | |
| 24 | */ | |
| 25 | @Override | |
| 26 | public String map(String name) { | |
| 27 | if (StringUtils.isBlank(name)) { | |
| 28 | return null; | |
| 29 | } | |
| 30 | if (StringUtils.isNotBlank(keyPrefix) && !name.startsWith(keyPrefix)) { | |
| 31 | return keyPrefix + name; | |
| 32 | } | |
| 33 | return name; | |
| 34 | } | |
| 35 | ||
| 36 | /** | |
| 37 | * 去除前缀 | |
| 38 | */ | |
| 39 | @Override | |
| 40 | public String unmap(String name) { | |
| 41 | if (StringUtils.isBlank(name)) { | |
| 42 | return null; | |
| 43 | } | |
| 44 | if (StringUtils.isNotBlank(keyPrefix) && name.startsWith(keyPrefix)) { | |
| 45 | return name.substring(keyPrefix.length()); | |
| 46 | } | |
| 47 | return name; | |
| 48 | } | |
| 49 | ||
| 50 | } | |
