Jackson无字符串参数构造函数/工厂方法从字符串值反序列化('7b70f9fa-3861-4552-a72c-7fca341a4554')

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

import java.util.UUID;

public class UUIDWrapper {
    private final UUID uuid;

    // 使用@JsonCreator注解的工厂方法
    @JsonCreator
    public static UUIDWrapper fromString(@JsonProperty("uuid") String uuidStr) {
        return new UUIDWrapper(UUID.fromString(uuidStr));
    }

    private UUIDWrapper(UUID uuid) {
        this.uuid = uuid;
    }

    public UUID getUuid() {
        return uuid;
    }
}

import com.fasterxml.jackson.databind.ObjectMapper;

public class Main {
    public static void main(String[] args) throws Exception {
        String json = "{\"uuid\":\"7b70f9fa-3861-4552-a72c-7fca341a4554\"}";

        ObjectMapper mapper = new ObjectMapper();
        UUIDWrapper wrapper = mapper.readValue(json, UUIDWrapper.class);

        System.out.println("Deserialized UUID: " + wrapper.getUuid());
    }
}