spring

Setup

• Install dependency

implementation 'com.github.joutvhu:spring-form-json:1.30.0'

<dependency>
    <groupId>com.github.joutvhu</groupId>
    <artifactId>spring-form-json</artifactId>
    <version>1.30.0</version>
</dependency>

• Version compatibility matrix

Spring Form JSON Version	Spring Boot Version
1.25.0	2.5.x - 2.7.x
1.30.0	>= 3.0.0

• Add FormJsonMethodArgumentResolver to resolvers.

@Configuration
public class WebConfig implements WebMvcConfigurer {
    @Override
    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> resolvers) {
        resolvers.add(new FormJsonMethodArgumentResolver());
    }
}

Using

• Use data type org.springframework.web.multipart.MultipartFile to define files in the model.

• Using annotation @FormJson before the parameter.

@PostMapping
public ResponseEntity<PropertyResult> createProperty(@FormJson PropertyRequest data)
{
    ...
}