kamaci :
I have SpringBoot application with that dependencies:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jersey</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
I have a method at my controller as follows:
@RequestMapping(value = "/liamo", method = RequestMethod.POST)
@ResponseBody
public XResponse liamo(XRequest xRequest) {
...
return something;
}
I send a JSON object from my HTML via AJAX with some fields of XRequest type object (it is a plain POJO without any annotations). However my JSON is not constructed into object at my controller method and its fields are null.
What I miss for an automatic deserialisation at my controller?
so-random-dude :
Spring boot comes with Jackson out-of-the-box which will take care of un-marshaling JSON request body to Java objects
You can use @RequestBody Spring MVC annotation to deserialize/un-marshall JSON string to Java object... For example.
Example
@RestController
public class CustomerController {
//@Autowired CustomerService customerService;
@RequestMapping(path="/customers", method= RequestMethod.POST)
@ResponseStatus(HttpStatus.CREATED)
public Customer postCustomer(@RequestBody Customer customer){
//return customerService.createCustomer(customer);
}
}
Annotate your entities member elements with @JsonProperty with corresponding json field names.
public class Customer {
@JsonProperty("customer_id")
private long customerId;
@JsonProperty("first_name")
private String firstName;
@JsonProperty("last_name")
private String lastName;
@JsonProperty("town")
private String town;
}
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