code style

mybatis-plus-extension/src/main/java/com/baomidou/mybatisplus/extension/handlers/FastjsonTypeHandler.java

@@ -17,7 +17,7 @@ package com.baomidou.mybatisplus.extension.handlers;
 
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.serializer.SerializerFeature;
-import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
+import com.baomidou.mybatisplus.core.toolkit.Assert;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.ibatis.type.BaseTypeHandler;
 import org.apache.ibatis.type.JdbcType;
@@ -45,9 +45,7 @@ public class FastjsonTypeHandler extends BaseTypeHandler<Object> {
         if (log.isTraceEnabled()) {
             log.trace("FastjsonTypeHandler(" + type + ")");
         }
-        if (null == type) {
-            throw new MybatisPlusException("Type argument cannot be null");
-        }
+        Assert.notNull(type, "Type argument cannot be null");
         this.type = type;
     }
 

mybatis-plus-extension/src/main/java/com/baomidou/mybatisplus/extension/handlers/JacksonTypeHandler.java

@@ -15,7 +15,7 @@
  */
 package com.baomidou.mybatisplus.extension.handlers;
 
-import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
+import com.baomidou.mybatisplus.core.toolkit.Assert;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.extern.slf4j.Slf4j;
@@ -51,9 +51,7 @@ public class JacksonTypeHandler extends BaseTypeHandler<Object> {
         if (log.isTraceEnabled()) {
             log.trace("JacksonTypeHandler(" + type + ")");
         }
-        if (null == type) {
-            throw new MybatisPlusException("Type argument cannot be null");
-        }
+        Assert.notNull(type, "Type argument cannot be null");
         this.type = type;
     }