Java Code Examples for org.springframework.web.filter.ShallowEtagHeaderFilter#disableContentCaching()
The following examples show how to use
org.springframework.web.filter.ShallowEtagHeaderFilter#disableContentCaching() .
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Example 1
Source File: StreamingResponseBodyReturnValueHandler.java From spring-analysis-note with MIT License | 5 votes |
@Override @SuppressWarnings("resource") public void handleReturnValue(@Nullable Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception { if (returnValue == null) { mavContainer.setRequestHandled(true); return; } HttpServletResponse response = webRequest.getNativeResponse(HttpServletResponse.class); Assert.state(response != null, "No HttpServletResponse"); ServerHttpResponse outputMessage = new ServletServerHttpResponse(response); if (returnValue instanceof ResponseEntity) { ResponseEntity<?> responseEntity = (ResponseEntity<?>) returnValue; response.setStatus(responseEntity.getStatusCodeValue()); outputMessage.getHeaders().putAll(responseEntity.getHeaders()); returnValue = responseEntity.getBody(); if (returnValue == null) { mavContainer.setRequestHandled(true); outputMessage.flush(); return; } } ServletRequest request = webRequest.getNativeRequest(ServletRequest.class); Assert.state(request != null, "No ServletRequest"); ShallowEtagHeaderFilter.disableContentCaching(request); Assert.isInstanceOf(StreamingResponseBody.class, returnValue, "StreamingResponseBody expected"); StreamingResponseBody streamingBody = (StreamingResponseBody) returnValue; Callable<Void> callable = new StreamingResponseBodyTask(outputMessage.getBody(), streamingBody); WebAsyncUtils.getAsyncManager(webRequest).startCallableProcessing(callable, mavContainer); }
Example 2
Source File: ServletInvocableHandlerMethod.java From spring-analysis-note with MIT License | 5 votes |
private void disableContentCachingIfNecessary(ServletWebRequest webRequest) { if (!isRequestNotModified(webRequest)) { HttpServletResponse response = webRequest.getNativeResponse(HttpServletResponse.class); Assert.notNull(response, "Expected HttpServletResponse"); if (StringUtils.hasText(response.getHeader(HttpHeaders.ETAG))) { HttpServletRequest request = webRequest.getNativeRequest(HttpServletRequest.class); Assert.notNull(request, "Expected HttpServletRequest"); ShallowEtagHeaderFilter.disableContentCaching(request); } } }
Example 3
Source File: StreamingResponseBodyReturnValueHandler.java From java-technology-stack with MIT License | 5 votes |
@Override @SuppressWarnings("resource") public void handleReturnValue(@Nullable Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception { if (returnValue == null) { mavContainer.setRequestHandled(true); return; } HttpServletResponse response = webRequest.getNativeResponse(HttpServletResponse.class); Assert.state(response != null, "No HttpServletResponse"); ServerHttpResponse outputMessage = new ServletServerHttpResponse(response); if (returnValue instanceof ResponseEntity) { ResponseEntity<?> responseEntity = (ResponseEntity<?>) returnValue; response.setStatus(responseEntity.getStatusCodeValue()); outputMessage.getHeaders().putAll(responseEntity.getHeaders()); returnValue = responseEntity.getBody(); if (returnValue == null) { mavContainer.setRequestHandled(true); outputMessage.flush(); return; } } ServletRequest request = webRequest.getNativeRequest(ServletRequest.class); Assert.state(request != null, "No ServletRequest"); ShallowEtagHeaderFilter.disableContentCaching(request); Assert.isInstanceOf(StreamingResponseBody.class, returnValue, "StreamingResponseBody expected"); StreamingResponseBody streamingBody = (StreamingResponseBody) returnValue; Callable<Void> callable = new StreamingResponseBodyTask(outputMessage.getBody(), streamingBody); WebAsyncUtils.getAsyncManager(webRequest).startCallableProcessing(callable, mavContainer); }
Example 4
Source File: StreamingResponseBodyReturnValueHandler.java From lams with GNU General Public License v2.0 | 5 votes |
@Override public void handleReturnValue(Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception { if (returnValue == null) { mavContainer.setRequestHandled(true); return; } HttpServletResponse response = webRequest.getNativeResponse(HttpServletResponse.class); ServerHttpResponse outputMessage = new ServletServerHttpResponse(response); if (returnValue instanceof ResponseEntity) { ResponseEntity<?> responseEntity = (ResponseEntity<?>) returnValue; response.setStatus(responseEntity.getStatusCodeValue()); outputMessage.getHeaders().putAll(responseEntity.getHeaders()); returnValue = responseEntity.getBody(); if (returnValue == null) { mavContainer.setRequestHandled(true); outputMessage.flush(); return; } } ServletRequest request = webRequest.getNativeRequest(ServletRequest.class); ShallowEtagHeaderFilter.disableContentCaching(request); Assert.isInstanceOf(StreamingResponseBody.class, returnValue, "StreamingResponseBody expected"); StreamingResponseBody streamingBody = (StreamingResponseBody) returnValue; Callable<Void> callable = new StreamingResponseBodyTask(outputMessage.getBody(), streamingBody); WebAsyncUtils.getAsyncManager(webRequest).startCallableProcessing(callable, mavContainer); }
Example 5
Source File: StreamingResponseBodyReturnValueHandler.java From spring4-understanding with Apache License 2.0 | 5 votes |
@Override public void handleReturnValue(Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception { if (returnValue == null) { mavContainer.setRequestHandled(true); return; } HttpServletResponse response = webRequest.getNativeResponse(HttpServletResponse.class); ServerHttpResponse outputMessage = new ServletServerHttpResponse(response); if (ResponseEntity.class.isAssignableFrom(returnValue.getClass())) { ResponseEntity<?> responseEntity = (ResponseEntity<?>) returnValue; outputMessage.setStatusCode(responseEntity.getStatusCode()); outputMessage.getHeaders().putAll(responseEntity.getHeaders()); returnValue = responseEntity.getBody(); if (returnValue == null) { mavContainer.setRequestHandled(true); return; } } ServletRequest request = webRequest.getNativeRequest(ServletRequest.class); ShallowEtagHeaderFilter.disableContentCaching(request); Assert.isInstanceOf(StreamingResponseBody.class, returnValue); StreamingResponseBody streamingBody = (StreamingResponseBody) returnValue; Callable<Void> callable = new StreamingResponseBodyTask(outputMessage.getBody(), streamingBody); WebAsyncUtils.getAsyncManager(webRequest).startCallableProcessing(callable, mavContainer); }
Example 6
Source File: HttpEntityMethodProcessor.java From spring-analysis-note with MIT License | 4 votes |
@Override public void handleReturnValue(@Nullable Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception { mavContainer.setRequestHandled(true); if (returnValue == null) { return; } ServletServerHttpRequest inputMessage = createInputMessage(webRequest); ServletServerHttpResponse outputMessage = createOutputMessage(webRequest); Assert.isInstanceOf(HttpEntity.class, returnValue); HttpEntity<?> responseEntity = (HttpEntity<?>) returnValue; HttpHeaders outputHeaders = outputMessage.getHeaders(); HttpHeaders entityHeaders = responseEntity.getHeaders(); if (!entityHeaders.isEmpty()) { entityHeaders.forEach((key, value) -> { if (HttpHeaders.VARY.equals(key) && outputHeaders.containsKey(HttpHeaders.VARY)) { List<String> values = getVaryRequestHeadersToAdd(outputHeaders, entityHeaders); if (!values.isEmpty()) { outputHeaders.setVary(values); } } else { outputHeaders.put(key, value); } }); } if (responseEntity instanceof ResponseEntity) { int returnStatus = ((ResponseEntity<?>) responseEntity).getStatusCodeValue(); outputMessage.getServletResponse().setStatus(returnStatus); if (returnStatus == 200) { if (SAFE_METHODS.contains(inputMessage.getMethod()) && isResourceNotModified(inputMessage, outputMessage)) { // Ensure headers are flushed, no body should be written. outputMessage.flush(); ShallowEtagHeaderFilter.disableContentCaching(inputMessage.getServletRequest()); // Skip call to converters, as they may update the body. return; } } else if (returnStatus / 100 == 3) { String location = outputHeaders.getFirst("location"); if (location != null) { saveFlashAttributes(mavContainer, webRequest, location); } } } // Try even with null body. ResponseBodyAdvice could get involved. writeWithMessageConverters(responseEntity.getBody(), returnType, inputMessage, outputMessage); // Ensure headers are flushed even if no body was written. outputMessage.flush(); }
Example 7
Source File: ResponseBodyEmitterReturnValueHandler.java From spring-analysis-note with MIT License | 4 votes |
@Override @SuppressWarnings("resource") public void handleReturnValue(@Nullable Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception { if (returnValue == null) { mavContainer.setRequestHandled(true); return; } HttpServletResponse response = webRequest.getNativeResponse(HttpServletResponse.class); Assert.state(response != null, "No HttpServletResponse"); ServerHttpResponse outputMessage = new ServletServerHttpResponse(response); if (returnValue instanceof ResponseEntity) { ResponseEntity<?> responseEntity = (ResponseEntity<?>) returnValue; response.setStatus(responseEntity.getStatusCodeValue()); outputMessage.getHeaders().putAll(responseEntity.getHeaders()); returnValue = responseEntity.getBody(); returnType = returnType.nested(); if (returnValue == null) { mavContainer.setRequestHandled(true); outputMessage.flush(); return; } } ServletRequest request = webRequest.getNativeRequest(ServletRequest.class); Assert.state(request != null, "No ServletRequest"); ResponseBodyEmitter emitter; if (returnValue instanceof ResponseBodyEmitter) { emitter = (ResponseBodyEmitter) returnValue; } else { emitter = this.reactiveHandler.handleValue(returnValue, returnType, mavContainer, webRequest); if (emitter == null) { // Not streaming: write headers without committing response.. outputMessage.getHeaders().forEach((headerName, headerValues) -> { for (String headerValue : headerValues) { response.addHeader(headerName, headerValue); } }); return; } } emitter.extendResponse(outputMessage); // At this point we know we're streaming.. ShallowEtagHeaderFilter.disableContentCaching(request); // Wrap the response to ignore further header changes // Headers will be flushed at the first write outputMessage = new StreamingServletServerHttpResponse(outputMessage); DeferredResult<?> deferredResult = new DeferredResult<>(emitter.getTimeout()); WebAsyncUtils.getAsyncManager(webRequest).startDeferredResultProcessing(deferredResult, mavContainer); HttpMessageConvertingHandler handler = new HttpMessageConvertingHandler(outputMessage, deferredResult); emitter.initialize(handler); }
Example 8
Source File: AbstractHttpSockJsSession.java From spring-analysis-note with MIT License | 4 votes |
private void disableShallowEtagHeaderFilter(ServerHttpRequest request) { if (request instanceof ServletServerHttpRequest) { ServletRequest servletRequest = ((ServletServerHttpRequest) request).getServletRequest(); ShallowEtagHeaderFilter.disableContentCaching(servletRequest); } }
Example 9
Source File: ResponseBodyEmitterReturnValueHandler.java From java-technology-stack with MIT License | 4 votes |
@Override @SuppressWarnings("resource") public void handleReturnValue(@Nullable Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception { if (returnValue == null) { mavContainer.setRequestHandled(true); return; } HttpServletResponse response = webRequest.getNativeResponse(HttpServletResponse.class); Assert.state(response != null, "No HttpServletResponse"); ServerHttpResponse outputMessage = new ServletServerHttpResponse(response); if (returnValue instanceof ResponseEntity) { ResponseEntity<?> responseEntity = (ResponseEntity<?>) returnValue; response.setStatus(responseEntity.getStatusCodeValue()); outputMessage.getHeaders().putAll(responseEntity.getHeaders()); returnValue = responseEntity.getBody(); returnType = returnType.nested(); if (returnValue == null) { mavContainer.setRequestHandled(true); outputMessage.flush(); return; } } ServletRequest request = webRequest.getNativeRequest(ServletRequest.class); Assert.state(request != null, "No ServletRequest"); ResponseBodyEmitter emitter; if (returnValue instanceof ResponseBodyEmitter) { emitter = (ResponseBodyEmitter) returnValue; } else { emitter = this.reactiveHandler.handleValue(returnValue, returnType, mavContainer, webRequest); if (emitter == null) { // Not streaming: write headers without committing response.. outputMessage.getHeaders().forEach((headerName, headerValues) -> { for (String headerValue : headerValues) { response.addHeader(headerName, headerValue); } }); return; } } emitter.extendResponse(outputMessage); // At this point we know we're streaming.. ShallowEtagHeaderFilter.disableContentCaching(request); // Commit the response and wrap to ignore further header changes outputMessage.getBody(); outputMessage.flush(); outputMessage = new StreamingServletServerHttpResponse(outputMessage); DeferredResult<?> deferredResult = new DeferredResult<>(emitter.getTimeout()); WebAsyncUtils.getAsyncManager(webRequest).startDeferredResultProcessing(deferredResult, mavContainer); HttpMessageConvertingHandler handler = new HttpMessageConvertingHandler(outputMessage, deferredResult); emitter.initialize(handler); }
Example 10
Source File: AbstractHttpSockJsSession.java From java-technology-stack with MIT License | 4 votes |
private void disableShallowEtagHeaderFilter(ServerHttpRequest request) { if (request instanceof ServletServerHttpRequest) { ServletRequest servletRequest = ((ServletServerHttpRequest) request).getServletRequest(); ShallowEtagHeaderFilter.disableContentCaching(servletRequest); } }
Example 11
Source File: ResponseBodyEmitterReturnValueHandler.java From lams with GNU General Public License v2.0 | 4 votes |
@Override public void handleReturnValue(Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception { if (returnValue == null) { mavContainer.setRequestHandled(true); return; } HttpServletResponse response = webRequest.getNativeResponse(HttpServletResponse.class); ServerHttpResponse outputMessage = new ServletServerHttpResponse(response); if (returnValue instanceof ResponseEntity) { ResponseEntity<?> responseEntity = (ResponseEntity<?>) returnValue; response.setStatus(responseEntity.getStatusCodeValue()); outputMessage.getHeaders().putAll(responseEntity.getHeaders()); returnValue = responseEntity.getBody(); if (returnValue == null) { mavContainer.setRequestHandled(true); outputMessage.flush(); return; } } ServletRequest request = webRequest.getNativeRequest(ServletRequest.class); ShallowEtagHeaderFilter.disableContentCaching(request); ResponseBodyEmitterAdapter adapter = getAdapterFor(returnValue.getClass()); if (adapter == null) { throw new IllegalStateException( "Could not find ResponseBodyEmitterAdapter for return value type: " + returnValue.getClass()); } ResponseBodyEmitter emitter = adapter.adaptToEmitter(returnValue, outputMessage); emitter.extendResponse(outputMessage); // Commit the response and wrap to ignore further header changes outputMessage.getBody(); outputMessage.flush(); outputMessage = new StreamingServletServerHttpResponse(outputMessage); DeferredResult<?> deferredResult = new DeferredResult<Object>(emitter.getTimeout()); WebAsyncUtils.getAsyncManager(webRequest).startDeferredResultProcessing(deferredResult, mavContainer); HttpMessageConvertingHandler handler = new HttpMessageConvertingHandler(outputMessage, deferredResult); emitter.initialize(handler); }
Example 12
Source File: ResponseBodyEmitterReturnValueHandler.java From spring4-understanding with Apache License 2.0 | 4 votes |
@Override public void handleReturnValue(Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception { if (returnValue == null) { mavContainer.setRequestHandled(true); return; } HttpServletResponse response = webRequest.getNativeResponse(HttpServletResponse.class); ServerHttpResponse outputMessage = new ServletServerHttpResponse(response); if (ResponseEntity.class.isAssignableFrom(returnValue.getClass())) { ResponseEntity<?> responseEntity = (ResponseEntity<?>) returnValue; outputMessage.setStatusCode(responseEntity.getStatusCode()); outputMessage.getHeaders().putAll(responseEntity.getHeaders()); returnValue = responseEntity.getBody(); if (returnValue == null) { mavContainer.setRequestHandled(true); return; } } ServletRequest request = webRequest.getNativeRequest(ServletRequest.class); ShallowEtagHeaderFilter.disableContentCaching(request); Assert.isInstanceOf(ResponseBodyEmitter.class, returnValue); ResponseBodyEmitter emitter = (ResponseBodyEmitter) returnValue; emitter.extendResponse(outputMessage); // Commit the response and wrap to ignore further header changes outputMessage.getBody(); outputMessage.flush(); outputMessage = new StreamingServletServerHttpResponse(outputMessage); DeferredResult<?> deferredResult = new DeferredResult<Object>(emitter.getTimeout()); WebAsyncUtils.getAsyncManager(webRequest).startDeferredResultProcessing(deferredResult, mavContainer); HttpMessageConvertingHandler handler = new HttpMessageConvertingHandler(outputMessage, deferredResult); emitter.initialize(handler); }
Example 13
Source File: AbstractHttpSockJsSession.java From spring4-understanding with Apache License 2.0 | 4 votes |
private void disableShallowEtagHeaderFilter(ServerHttpRequest request) { if (request instanceof ServletServerHttpRequest) { ServletRequest servletRequest = ((ServletServerHttpRequest) request).getServletRequest(); ShallowEtagHeaderFilter.disableContentCaching(servletRequest); } }