lsm/hutool
1
0
Fork 0
mirror of https://gitee.com/dromara/hutool.git synced 2025-05-05 21:28:00 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

!1051 [bug修复] 修复因使用反射读取JSON自定义类型导致性能下降为原来1/3的问题 by SHA-1: 5b2d2050d2

Browse Source 
Merge pull request !1051 from 周鹏/v5-master
This commit is contained in:
Looly 2023-08-08 11:57:45 +00:00 committed by Gitee
commit 4ffb48412b
No known key found for this signature in database
GPG Key ID: 173E9B9CA92EEF8F
3 changed files with 28 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
hutool-core/src/main/java/cn/hutool/core/bean/copier/CopyOptions.java
View File

@ -8,7 +8,6 @@ import cn.hutool.core.lang.func.Func1;
import cn.hutool.core.lang.func.LambdaUtil; import cn.hutool.core.lang.func.LambdaUtil;
import cn.hutool.core.util.ArrayUtil; import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.ObjectUtil; import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.ReflectUtil;
import java.io.Serializable; import java.io.Serializable;
import java.lang.reflect.Field; import java.lang.reflect.Field;
@ -83,10 +82,8 @@ public class CopyOptions implements Serializable {
return null; return null;
} }
final String name = value.getClass().getName(); if(value instanceof IJSONTypeConverter) {
if(ArrayUtil.contains(new String[]{"cn.hutool.json.JSONObject", "cn.hutool.json.JSONArray"}, name)){ return ((IJSONTypeConverter)value).toBean(ObjectUtil.defaultIfNull(type, Object.class));
// 由于设计缺陷导致JSON转Bean时无法使用自定义的反序列化器，此处采用反射方式修复bug，此类问题会在6.x解决
return ReflectUtil.invoke(value, "toBean", ObjectUtil.defaultIfNull(type, Object.class));
} }
return Convert.convertWithCheck(type, value, null, ignoreError); return Convert.convertWithCheck(type, value, null, ignoreError);

23
hutool-core/src/main/java/cn/hutool/core/bean/copier/IJSONTypeConverter.java Normal file
View File

@ -0,0 +1,23 @@
package cn.hutool.core.bean.copier;
import java.lang.reflect.Type;
/**
* JSON自定义转换扩展接口,因core模块无法直接调用json模块而创建,
* 使用此接口避免使用反射调用toBean方法而性能太差。
*
* @author mkeq
*/
public interface IJSONTypeConverter {
/**
* 转为实体类对象
*
* @param <T> Bean类型
* @param type {@link Type}
* @return 实体类对象
* @since 3.0.8
*/
<T> T toBean(Type type);
}

5
hutool-json/src/main/java/cn/hutool/json/JSON.java
View File

@ -1,6 +1,7 @@
package cn.hutool.json; package cn.hutool.json;
import cn.hutool.core.bean.BeanPath; import cn.hutool.core.bean.BeanPath;
import cn.hutool.core.bean.copier.IJSONTypeConverter;
import cn.hutool.core.lang.TypeReference; import cn.hutool.core.lang.TypeReference;
import java.io.Serializable; import java.io.Serializable;
@ -13,7 +14,7 @@ import java.lang.reflect.Type;
* *
* @author Looly * @author Looly
*/ */
public interface JSON extends Cloneable, Serializable { public interface JSON extends Cloneable, Serializable, IJSONTypeConverter {
/** /**
* 获取JSON配置 * 获取JSON配置
@ -177,7 +178,7 @@ public interface JSON extends Cloneable, Serializable {
* @since 3.0.8 * @since 3.0.8
*/ */
default <T> T toBean(Type type) { default <T> T toBean(Type type) {
return JSONConverter.jsonConvert(type, this, getConfig()); return toBean(type, getConfig().isIgnoreError());
} }
/** /**