SpringBoot接收与响应xml报文请求的实现

<?xml version="1.0" encoding="UTF-8" ?>
<req>
  <tel>15556905765</tel>
  <activityid></activityid>
  <timestamp>1603383430</timestamp>
</req>

<?xml version="1.0" encoding="UTF-8" ?>
<resp>
    <code>200</code>
    <msg></msg>
    <activeflag></activeflag>
</resp>

<dependency>
    <groupId>org.projectlombok</groupId>
    <artifactId>lombok</artifactId>
    <version>1.16.10</version>
</dependency>
<dependency>
    <groupId>com.fasterxml.jackson.dataformat</groupId>
    <artifactId>jackson-dataformat-xml</artifactId>
    <version>2.14.1</version>
</dependency>

@Data
@JacksonXmlRootElement(localName = "req")
public class TestRequest {
    //手机号
    @JacksonXmlProperty(localName = "tel")
    private String tel;
 
    //活动商品ID
    @JacksonXmlProperty(localName = "activityId")
    private String productId;
 
    @JacksonXmlProperty(localName = "timestamp")
    private Long timestamp;
}

@Data
@JacksonXmlRootElement(localName = "resp")
public class TestResponse {
    //返回码
    @JacksonXmlProperty(localName = "code")
    private String code;
    //返回码信息描述
    @JacksonXmlProperty(localName = "msg")
    private String msg;
    //可参与活动标志 ：1-可参与 2-不可参与
    @JacksonXmlProperty(localName = "activeflag")
    private String activeFlag;
}

@RestController
public class TestController {
    @Resource
    private TestService testService;
 
    @PostMapping(value = "/test"
            , produces = MediaType.APPLICATION_XML_VALUE)
    public String test(@RequestBody TestRequest request)
    {
        return testService.service(request);
    }
}

@Slf4j
@Service
public class TestService {
    public String service(TestRequest request){
 
        //request入参校验 .... 省略
 
        //正常情况
        TestResponse response = new TestResponse();
        response.setCode("200");
        response.setMsg("allow sub");
        response.setActiveFlag("1");
        return javaBeanToXml(response);
    }
}

//XML文件头
private static final String XML_HEAD = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n";
public static String javaBeanToXml(Object obj)
{
    String xml = "";
    if (Objects.isNull(obj))
    {
        return xml;
    }
    try
    {
        XmlMapper xmlMapper = new XmlMapper();
        xml = xmlMapper.writeValueAsString(obj);
    } catch (Exception e)
    {
        log.error("javaBeanToXml error, obj={}, xml={}", obj, xml, e);
        return "";
    }
    // 添加xml文件头
    return XML_HEAD + xml;
}