Vavr对象的序列化/反序列化器

Question

import io.vavr.collection.List;

 @GetMapping(value = "/xxx")
    public List<EntityDeleted> getFile() {
        return List.of(new EntityDeleted(true),new EntityDeleted(true),new EntityDeleted(true),new EntityDeleted(true));
}

{
    "empty": false,
    "lazy": false,
    "async": false,
    "traversableAgain": true,
    "sequential": true,
    "singleValued": false,
    "distinct": false,
    "ordered": false,
    "orNull": {
        "deleted": true
    },
    "memoized": false
}

@SpringBootApplication
public class PlomberApplication {

    public static void main(String[] args) {
        SpringApplication.run(PlomberApplication.class, args);
    }

    @Bean
    public ObjectMapper jacksonBuilder() {
        ObjectMapper mapper = new ObjectMapper();
        return mapper.registerModule(new VavrModule());
    }
}

 <dependency>
            <groupId>io.vavr</groupId>
            <artifactId>vavr</artifactId>
            <version>0.9.0</version>
        </dependency>
        <dependency>
            <groupId>io.vavr</groupId>
            <artifactId>vavr-jackson</artifactId>
            <version>0.9.0</version>
        </dependency>

Answer 1

Spring Boot检索com.fasterxml.jackson.databind.Module类的所有实例，并用它们初始化ObjectMapper。不需要额外的魔法。

我的依赖关系如下（Spring Boot 1.5.7.Release):

dependencies {
    compile('org.springframework.boot:spring-boot-starter-web')
    testCompile('org.springframework.boot:spring-boot-starter-test')
    compile group: 'io.vavr', name: 'vavr', version: '0.9.1'
    compile group: 'io.vavr', name: 'vavr-jackson', version: '0.9.1'
}

应用程序的配置如下所示：

@SpringBootApplication
public class BootvavrApplication {

    public static void main(String[] args) {
        SpringApplication.run(BootvavrApplication.class, args);
    }

    @Bean
    Module vavrModule() {
        return new VavrModule();
    }
}

import io.vavr.collection.List;
@RestController
class TestController {

    @GetMapping("/test")
    List<String> testing() {
        return List.of("test", "test2");
    }
}

["test","test2"]