如何在RESTful web服务中创建动态可接受的JSON?
下面是我的JSON文件:如何在RESTful web服务中创建动态可接受的JSON?,json,rest,web-services,spring-boot,spring-restcontroller,Json,Rest,Web Services,Spring Boot,Spring Restcontroller,下面是我的JSON文件: Input JSON: { "name": "Tamiliniyan", "address": { "street": "My street", "city": "Texas" } } Controller class: @RestController @RequestMapping(value = "/customer") public class CustomerController { @Autowired private Wel
Input JSON:
{
"name": "Tamiliniyan",
"address": {
"street": "My street",
"city": "Texas"
}
}
Controller class:
@RestController
@RequestMapping(value = "/customer")
public class CustomerController {
@Autowired
private WelcomeService customerService;
@RequestMapping(method = RequestMethod.POST)
public void addCustomer(@RequestBody Customer customer) {
return customerService.addTranslation(customer);
}
}
POJO:
public class Customer
{
private Address address;
private String name;
public Address getAddress ()
{
return address;
}
public void setAddress (Address address)
{
this.address = address;
}
public String getName ()
{
return name;
}
public void setName (String name)
{
this.name = name;
}
}
public class Address
{
private String street;
private String city;
public String getStreet ()
{
return street;
}
public void setStreet (String street)
{
this.street = street;
}
public String getCity ()
{
return city;
}
public void setCity (String city)
{
this.city = city;
}
}
现在我必须动态添加城市或zipcode。怎么做?基本上,客户端系统可以使用当前结构传递任何新的附加JSON字段(如city或zipcode)
CustomerController
类应该能够解析它。在restful服务中处理动态JSON元素的更好方法是什么?在我看来,当您不知道JSON的最终结构时,使用Spring在Java中处理JSON最简单、最高效的方法是使用映射
您可以在POJO中添加以下内容:
public class Customer {
private Address address;
private String name;
private Map<String, ?> additionalFields;
public Address getAddress() {
return address;
}
public void setAddress(Address address) {
this.address = address;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Map<String, ?> getAdditionalFields() {
return additionalFields;
}
public void setAdditionalFields(Map<String, ?> additionalFields) {
this.additionalFields = additionalFields;
}
}
这是Spring处理它时得到的结果:
为了检索数据,您可以使用以下方法:
customer.getAdditionalFields().containsKey("nested1")
customer.getAdditionalFields().get("nested1")
另一种方法是向类中添加所需的任何字段,然后忽略配置中的空字段
customer.getAdditionalFields().containsKey("nested1")
customer.getAdditionalFields().get("nested1")