zhouxy108/hutool
1
0
Fork 0
mirror of https://gitee.com/chinabugotech/hutool.git synced 2025-07-21 15:09:48 +08:00
Code Issues Packages Projects Releases Wiki Activity

add OptionalBean

Browse Source
This commit is contained in:
Looly
2020-10-24 15:46:49 +08:00
parent 02c97eedde
commit 2b89f3fca8
3 changed files with 160 additions and 136 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
hutool-core/src/test/java/cn/hutool/core/bean/OptionalBeanTest.java
View File

@@ -6,44 +6,45 @@ 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.assertEquals(value1, null);
@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);
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");
}
}
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 class User {
private String name;
private String gender;
private School school;
@Data
public class School {
private String name;
private String address;
}
}
@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;
}
}
}