Java Code Examples for org.springframework.web.reactive.HandlerResult#getReturnTypeSource()
The following examples show how to use
org.springframework.web.reactive.HandlerResult#getReturnTypeSource() .
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Example 1
Source File: ResponseBodyResultHandler.java From spring-analysis-note with MIT License | 5 votes |
@Override public boolean supports(HandlerResult result) { MethodParameter returnType = result.getReturnTypeSource(); Class<?> containingClass = returnType.getContainingClass(); return (AnnotatedElementUtils.hasAnnotation(containingClass, ResponseBody.class) || returnType.hasMethodAnnotation(ResponseBody.class)); }
Example 2
Source File: ResponseBodyResultHandler.java From java-technology-stack with MIT License | 5 votes |
@Override public boolean supports(HandlerResult result) { MethodParameter returnType = result.getReturnTypeSource(); Class<?> containingClass = returnType.getContainingClass(); return (AnnotatedElementUtils.hasAnnotation(containingClass, ResponseBody.class) || returnType.hasMethodAnnotation(ResponseBody.class)); }
Example 3
Source File: ResponseEntityResultHandler.java From spring-analysis-note with MIT License | 4 votes |
@Override public Mono<Void> handleResult(ServerWebExchange exchange, HandlerResult result) { Mono<?> returnValueMono; MethodParameter bodyParameter; ReactiveAdapter adapter = getAdapter(result); MethodParameter actualParameter = result.getReturnTypeSource(); if (adapter != null) { Assert.isTrue(!adapter.isMultiValue(), "Only a single ResponseEntity supported"); returnValueMono = Mono.from(adapter.toPublisher(result.getReturnValue())); bodyParameter = actualParameter.nested().nested(); } else { returnValueMono = Mono.justOrEmpty(result.getReturnValue()); bodyParameter = actualParameter.nested(); } return returnValueMono.flatMap(returnValue -> { HttpEntity<?> httpEntity; if (returnValue instanceof HttpEntity) { httpEntity = (HttpEntity<?>) returnValue; } else if (returnValue instanceof HttpHeaders) { httpEntity = new ResponseEntity<>((HttpHeaders) returnValue, HttpStatus.OK); } else { throw new IllegalArgumentException( "HttpEntity or HttpHeaders expected but got: " + returnValue.getClass()); } if (httpEntity instanceof ResponseEntity) { ResponseEntity<?> responseEntity = (ResponseEntity<?>) httpEntity; ServerHttpResponse response = exchange.getResponse(); if (response instanceof AbstractServerHttpResponse) { ((AbstractServerHttpResponse) response).setStatusCodeValue(responseEntity.getStatusCodeValue()); } else { response.setStatusCode(responseEntity.getStatusCode()); } } HttpHeaders entityHeaders = httpEntity.getHeaders(); HttpHeaders responseHeaders = exchange.getResponse().getHeaders(); if (!entityHeaders.isEmpty()) { entityHeaders.entrySet().stream() .forEach(entry -> responseHeaders.put(entry.getKey(), entry.getValue())); } if (httpEntity.getBody() == null || returnValue instanceof HttpHeaders) { return exchange.getResponse().setComplete(); } String etag = entityHeaders.getETag(); Instant lastModified = Instant.ofEpochMilli(entityHeaders.getLastModified()); HttpMethod httpMethod = exchange.getRequest().getMethod(); if (SAFE_METHODS.contains(httpMethod) && exchange.checkNotModified(etag, lastModified)) { return exchange.getResponse().setComplete(); } return writeBody(httpEntity.getBody(), bodyParameter, actualParameter, exchange); }); }
Example 4
Source File: ResponseBodyResultHandler.java From spring-analysis-note with MIT License | 4 votes |
@Override public Mono<Void> handleResult(ServerWebExchange exchange, HandlerResult result) { Object body = result.getReturnValue(); MethodParameter bodyTypeParameter = result.getReturnTypeSource(); return writeBody(body, bodyTypeParameter, exchange); }
Example 5
Source File: ResponseEntityResultHandler.java From java-technology-stack with MIT License | 4 votes |
@Override public Mono<Void> handleResult(ServerWebExchange exchange, HandlerResult result) { Mono<?> returnValueMono; MethodParameter bodyParameter; ReactiveAdapter adapter = getAdapter(result); MethodParameter actualParameter = result.getReturnTypeSource(); if (adapter != null) { Assert.isTrue(!adapter.isMultiValue(), "Only a single ResponseEntity supported"); returnValueMono = Mono.from(adapter.toPublisher(result.getReturnValue())); bodyParameter = actualParameter.nested().nested(); } else { returnValueMono = Mono.justOrEmpty(result.getReturnValue()); bodyParameter = actualParameter.nested(); } return returnValueMono.flatMap(returnValue -> { HttpEntity<?> httpEntity; if (returnValue instanceof HttpEntity) { httpEntity = (HttpEntity<?>) returnValue; } else if (returnValue instanceof HttpHeaders) { httpEntity = new ResponseEntity<>((HttpHeaders) returnValue, HttpStatus.OK); } else { throw new IllegalArgumentException( "HttpEntity or HttpHeaders expected but got: " + returnValue.getClass()); } if (httpEntity instanceof ResponseEntity) { ResponseEntity<?> responseEntity = (ResponseEntity<?>) httpEntity; ServerHttpResponse response = exchange.getResponse(); if (response instanceof AbstractServerHttpResponse) { ((AbstractServerHttpResponse) response).setStatusCodeValue(responseEntity.getStatusCodeValue()); } else { response.setStatusCode(responseEntity.getStatusCode()); } } HttpHeaders entityHeaders = httpEntity.getHeaders(); HttpHeaders responseHeaders = exchange.getResponse().getHeaders(); if (!entityHeaders.isEmpty()) { entityHeaders.entrySet().stream() .forEach(entry -> responseHeaders.put(entry.getKey(), entry.getValue())); } if (httpEntity.getBody() == null || returnValue instanceof HttpHeaders) { return exchange.getResponse().setComplete(); } String etag = entityHeaders.getETag(); Instant lastModified = Instant.ofEpochMilli(entityHeaders.getLastModified()); HttpMethod httpMethod = exchange.getRequest().getMethod(); if (SAFE_METHODS.contains(httpMethod) && exchange.checkNotModified(etag, lastModified)) { return exchange.getResponse().setComplete(); } return writeBody(httpEntity.getBody(), bodyParameter, actualParameter, exchange); }); }
Example 6
Source File: ResponseBodyResultHandler.java From java-technology-stack with MIT License | 4 votes |
@Override public Mono<Void> handleResult(ServerWebExchange exchange, HandlerResult result) { Object body = result.getReturnValue(); MethodParameter bodyTypeParameter = result.getReturnTypeSource(); return writeBody(body, bodyTypeParameter, exchange); }