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bff design pattern java

Anjali Sharma answered on January 6, 2023 Popularity 1/10 Helpfulness 1/10

answer bff design pattern java

bff design pattern java

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A BFF can be used to elegantly expose complex backend systems to multiple client-facing platforms, such as iOS and the web, without building a monolothic API that attempts to serve all clients equally. Different types of clients require different types of user experiences, and having a backend API tightly coupled to each specific user experience actually makes for a much more loosely coupled system overall.

This pattern helps frontend teams iterate on features faster by giving them more control over the APIs they interact with, without affecting the user experience or development team driving a sister frontend.

When you have completed this code pattern, you will understand how to:

Build out the Backend for Frontend (BFF) architecture pattern

Deploy to Kubernetes, Cloud Foundry or a DevOps Pipeline

Operate an application with monitoring and distributed trace

Connect to provisioned services

import java.util.List;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import javax.validation.constraints.*;
import javax.validation.Valid;
@javax.annotation.Generated(value = "com.ibm.mobile.sdkgen.platform.JavaSpringBindingsConfig", date = "2019-03-26T21:21:29.320Z")

@Controller
public class ProductsApiController implements ProductsApi {

    @Autowired
	private ProductsApiBinding services;

    private final ObjectMapper objectMapper;

    public ProductsApiController(ObjectMapper objectMapper) {
        this.objectMapper = objectMapper;
    }

    public ResponseEntity<Product> add(@ApiParam(value = "Product name" ,required=true )  @Valid @RequestBody String productName,
        @RequestHeader(value = "Accept", required = false) String accept) throws Exception {


        ApiResponseMessage<Product> result = services.add(productName);

        if (accept != null && accept.contains("application/json")) {
        	return new ResponseEntity<Product>(result.getData(), result.getCode());
        }

        return new ResponseEntity<Product>(HttpStatus.BAD_REQUEST);
    }

    public ResponseEntity<List<Product>> getAll(@RequestHeader(value = "Accept", required = false) String accept) throws Exception {


        ApiResponseMessage<List<Product>> result = services.getAll();

        if (accept != null && accept.contains("application/json")) {
        	return new ResponseEntity<List<Product>>(result.getData(), result.getCode());
        }

        return new ResponseEntity<List<Product>>(HttpStatus.BAD_REQUEST);
    }

}

https://github.com/IBM/spring-backend-for-frontend

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: java javascript

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Contributed on Jan 06 2023

Anjali Sharma

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bff design pattern java

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