#init

maibu-framework/src/main/java/com/maibu/handler/KeyPrefixHandler.java

@@ -0,0 +1,50 @@
+package com.maibu.handler;
+
+import com.fastbee.common.utils.StringUtils;
+import org.redisson.api.NameMapper;
+
+/**
+ * redis缓存key前缀处理
+ *
+ * @author ye
+ * @date 2022/7/14 17:44
+ * @since 4.3.0
+ */
+public class KeyPrefixHandler implements NameMapper {
+
+    private final String keyPrefix;
+
+    public KeyPrefixHandler(String keyPrefix) {
+        //前缀为空 则返回空前缀
+        this.keyPrefix = StringUtils.isBlank(keyPrefix) ? "" : keyPrefix + ":";
+    }
+
+    /**
+     * 增加前缀
+     */
+    @Override
+    public String map(String name) {
+        if (StringUtils.isBlank(name)) {
+            return null;
+        }
+        if (StringUtils.isNotBlank(keyPrefix) && !name.startsWith(keyPrefix)) {
+            return keyPrefix + name;
+        }
+        return name;
+    }
+
+    /**
+     * 去除前缀
+     */
+    @Override
+    public String unmap(String name) {
+        if (StringUtils.isBlank(name)) {
+            return null;
+        }
+        if (StringUtils.isNotBlank(keyPrefix) && name.startsWith(keyPrefix)) {
+            return name.substring(keyPrefix.length());
+        }
+        return name;
+    }
+
+}