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修复修复Convert不能转换Optional和Opt问题

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This commit is contained in:
Looly 2023-08-31 10:52:33 +08:00
parent cf9cee0b6c
commit e6c6f7e068
2 changed files with 63 additions and 10 deletions
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36
hutool-core/src/main/java/org/dromara/hutool/core/convert/CompositeConverter.java
View File

@ -15,6 +15,7 @@ package org.dromara.hutool.core.convert;
import org.dromara.hutool.core.bean.BeanUtil;
import org.dromara.hutool.core.bean.RecordUtil;
import org.dromara.hutool.core.convert.impl.*;
import org.dromara.hutool.core.lang.Opt;
import org.dromara.hutool.core.reflect.TypeReference;
import org.dromara.hutool.core.reflect.TypeUtil;
import org.dromara.hutool.core.reflect.kotlin.KClassUtil;
@ -24,6 +25,7 @@ import java.lang.reflect.Type;
import java.util.Collection;
import java.util.Date;
import java.util.Map;
import java.util.Optional;
/**
* 复合转换器，融合了所有支持类型和自定义类型的转换规则
@ -106,20 +108,34 @@ public class CompositeConverter extends RegisterConverter {
* @throws ConvertException 转换器不存在
*/
@SuppressWarnings("unchecked")
public <T> T convert(Type type, final Object value, final T defaultValue, final boolean isCustomFirst) throws ConvertException {
public <T> T convert(Type type, Object value, final T defaultValue, final boolean isCustomFirst) throws ConvertException {
if (ObjUtil.isNull(value)) {
return defaultValue;
}
if (TypeUtil.isUnknown(type)) {
// 对于用户不指定目标类型的情况，返回原值
if(null == defaultValue){
if (null == defaultValue) {
return (T) value;
}
type = defaultValue.getClass();
}
// issue#I7WJHH，Opt和Optional处理
if (value instanceof Opt) {
value = ((Opt<T>) value).get();
if (ObjUtil.isNull(value)) {
return defaultValue;
}
}
if (value instanceof Optional) {
value = ((Optional<T>) value).orElse(null);
if (ObjUtil.isNull(value)) {
return defaultValue;
}
}
// value本身实现了Converter接口，直接调用
if(value instanceof Converter){
if (value instanceof Converter) {
return ((Converter) value).convert(type, value, defaultValue);
}
@ -183,7 +199,7 @@ public class CompositeConverter extends RegisterConverter {
}
// 日期、java.sql中的日期以及自定义日期统一处理
if(Date.class.isAssignableFrom(rowType)){
if (Date.class.isAssignableFrom(rowType)) {
return DateConverter.INSTANCE.convert(type, value, defaultValue);
}
@ -198,7 +214,7 @@ public class CompositeConverter extends RegisterConverter {
}
// issue#I6SZYB Entry类（含有泛型参数，不可以默认强转）
if(Map.Entry.class.isAssignableFrom(rowType)){
if (Map.Entry.class.isAssignableFrom(rowType)) {
return (T) EntryConverter.INSTANCE.convert(type, value);
}
@ -208,12 +224,12 @@ public class CompositeConverter extends RegisterConverter {
}
// 原始类型转换
if(rowType.isPrimitive()){
if (rowType.isPrimitive()) {
return PrimitiveConverter.INSTANCE.convert(type, value, defaultValue);
}
// 数字类型转换
if(Number.class.isAssignableFrom(rowType)){
if (Number.class.isAssignableFrom(rowType)) {
return NumberConverter.INSTANCE.convert(type, value, defaultValue);
}
@ -228,17 +244,17 @@ public class CompositeConverter extends RegisterConverter {
}
// Record
if(RecordUtil.isRecord(rowType)){
if (RecordUtil.isRecord(rowType)) {
return (T) RecordConverter.INSTANCE.convert(type, value);
}
// Kotlin Bean
if(KClassUtil.isKotlinClass(rowType)){
if (KClassUtil.isKotlinClass(rowType)) {
return (T) KBeanConverter.INSTANCE.convert(type, value);
}
// issue#I7FQ29 Class
if("java.lang.Class".equals(rowType.getName())){
if ("java.lang.Class".equals(rowType.getName())) {
return (T) ClassConverter.INSTANCE.convert(type, value);
}

37
hutool-core/src/test/java/org/dromara/hutool/core/convert/IssueI7WJHHTest.java Executable file
View File

@ -0,0 +1,37 @@
/*
* Copyright (c) 2023 looly(loolly@aliyun.com)
* Hutool is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* https://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
package org.dromara.hutool.core.convert;
import org.dromara.hutool.core.lang.Opt;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import java.util.Optional;
public class IssueI7WJHHTest {
@Test
public void toIntTest() {
final Optional<Integer> optional = Optional.of(1);
final Integer integer = Convert.toInt(optional);
Assertions.assertEquals(Integer.valueOf(1), integer);
}
@Test
public void toIntTest2() {
final Opt<Integer> optional = Opt.of(1);
final Integer integer = Convert.toInt(optional);
Assertions.assertEquals(Integer.valueOf(1), integer);
}
}