Spring Boot Tutorial 0/110 lessons ~6 min read Lesson 19“Production-grade backends”

ResponseEntity

ResponseEntity<T> gives you full control over the HTTP response: status, headers, body.

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Examples included

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Foundation builder

Introduction

ResponseEntity<T> gives you full control over the HTTP response: status, headers, body. Use it whenever 200 OK is not exactly right.

Informative example

@PostMapping
public ResponseEntity<OrderDto> create(@Valid @RequestBody NewOrder cmd) {
  OrderDto created = svc.create(cmd);
  URI location = ServletUriComponentsBuilder.fromCurrentRequest()
      .path("/{id}").buildAndExpand(created.id()).toUri();
  return ResponseEntity.created(location)
      .header("X-Trace-Id", MDC.get("traceId"))
      .body(created);
}

@DeleteMapping("/{id}")
public ResponseEntity<Void> delete(@PathVariable Long id) {
  svc.delete(id);
  return ResponseEntity.noContent().build(); // 204
}

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