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deprecate OptionalBean

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Looly
2021-09-02 13:56:19 +08:00
parent 614754c9ba
commit 4a384f6a5c
4 changed files with 30 additions and 71 deletions
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3
CHANGELOG.md
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@@ -3,12 +3,13 @@
-------------------------------------------------------------------------------------------------------------
# 5.7.12 (2021-09-01)
# 5.7.12 (2021-09-02)
### 🐣新特性
* 【system 】 OshiUtil增加getCurrentProcess方法
* 【extra 】 SpringUtil增加getApplicationName、publishEvent方法（issue#I485NZ@Gitee）
* 【core 】 BeanUtil.getProperty增加判空（issue#I488HA@Gitee）
* 【core 】 OptionalBean弃用（pr#1182@Github）
### 🐞Bug修复

2
hutool-core/src/main/java/cn/hutool/core/bean/OptionalBean.java
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@@ -15,7 +15,9 @@ import java.util.function.Supplier;
* @param <T> Bean类型
* @author totalo
* @since 5.4.7
* @deprecated {@link java.util.Optional} 可以完成此类的所有功能。
*/
@Deprecated
public final class OptionalBean<T> {
private static final OptionalBean<?> EMPTY = new OptionalBean<>();

50
hutool-core/src/test/java/cn/hutool/core/bean/OptionalBeanTest.java
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@@ -1,50 +0,0 @@
package cn.hutool.core.bean;
import org.junit.Assert;
import lombok.Data;
import org.junit.Test;
public class OptionalBeanTest {
@Test
public void optionalBeanTest() {
User user = new User();
user.setName("hello");
String value1 = OptionalBean.ofNullable(user)
.getBean(User::getSchool)
.getBean(User.School::getAddress).get();
Assert.assertNull(value1);
boolean present = OptionalBean.ofNullable(user)
.getBean(User::getSchool)
.getBean(User.School::getAddress).isPresent();
Assert.assertFalse(present);
String value2 = OptionalBean.ofNullable(user)
.getBean(User::getSchool)
.getBean(User.School::getAddress).orElse("没得地址");
Assert.assertEquals(value2, "没得地址");
try {
OptionalBean.ofNullable(user)
.getBean(User::getSchool)
.getBean(User.School::getAddress).orElseThrow(() -> new RuntimeException("空指针了"));
} catch (Exception e) {
Assert.assertEquals(e.getMessage(), "空指针了");
}
}
@Data
public static class User {
private String name;
private String gender;
private School school;
@Data
public static class School {
private String name;
private String address;
}
}
}

46
hutool-json/src/main/java/cn/hutool/json/JSONGetter.java
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@@ -1,6 +1,5 @@
package cn.hutool.json;
import cn.hutool.core.bean.OptionalBean;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.convert.ConvertException;
import cn.hutool.core.date.DateUtil;
@@ -10,6 +9,7 @@ import cn.hutool.core.util.StrUtil;
import java.time.LocalDateTime;
import java.util.Date;
import java.util.Optional;
/**
* 用于JSON的Getter类，提供各种类型的Getter方法
@@ -114,24 +114,27 @@ public interface JSONGetter<K> extends OptNullBasicTypeFromObjectGetter<K> {
}
@Override
default Date getDate(K key, Date defaultValue){
default Date getDate(K key, Date defaultValue) {
// 默认转换
final Object obj = getObj(key);
if (null == obj) {
return defaultValue;
}
if(obj instanceof Date){
if (obj instanceof Date) {
return (Date) obj;
}
String format = OptionalBean.ofNullable(getConfig()).getBean(JSONConfig::getDateFormat).get();
if(StrUtil.isNotBlank(format)){
// 用户指定了日期格式，获取日期属性时使用对应格式
final String str = Convert.toStr(obj);
if(null == str){
return defaultValue;
final Optional<String> formatOps = Optional.ofNullable(getConfig()).map(JSONConfig::getDateFormat);
if (formatOps.isPresent()) {
final String format = formatOps.get();
if (StrUtil.isNotBlank(format)) {
// 用户指定了日期格式，获取日期属性时使用对应格式
final String str = Convert.toStr(obj);
if (null == str) {
return defaultValue;
}
return DateUtil.parse(str, format);
}
return DateUtil.parse(str, format);
}
return Convert.toDate(obj, defaultValue);
@@ -140,29 +143,32 @@ public interface JSONGetter<K> extends OptNullBasicTypeFromObjectGetter<K> {
/**
* 获取{@link LocalDateTime}类型值
*
* @param key 键
* @param key 键
* @param defaultValue 默认值
* @return {@link LocalDateTime}
* @since 5.7.7
*/
default LocalDateTime getLocalDateTime(K key, LocalDateTime defaultValue){
default LocalDateTime getLocalDateTime(K key, LocalDateTime defaultValue) {
// 默认转换
final Object obj = getObj(key);
if (null == obj) {
return defaultValue;
}
if(obj instanceof LocalDateTime){
if (obj instanceof LocalDateTime) {
return (LocalDateTime) obj;
}
String format = OptionalBean.ofNullable(getConfig()).getBean(JSONConfig::getDateFormat).get();
if(StrUtil.isNotBlank(format)){
// 用户指定了日期格式，获取日期属性时使用对应格式
final String str = Convert.toStr(obj);
if(null == str){
return defaultValue;
final Optional<String> formatOps = Optional.ofNullable(getConfig()).map(JSONConfig::getDateFormat);
if (formatOps.isPresent()) {
final String format = formatOps.get();
if (StrUtil.isNotBlank(format)) {
// 用户指定了日期格式，获取日期属性时使用对应格式
final String str = Convert.toStr(obj);
if (null == str) {
return defaultValue;
}
return LocalDateTimeUtil.parse(str, format);
}
return LocalDateTimeUtil.parse(str, format);
}
return Convert.toLocalDateTime(obj, defaultValue);