@Override @Nullable public View resolveViewName(String viewName, Locale locale) throws Exception { RequestAttributes attrs = RequestContextHolder.getRequestAttributes(); Assert.state(attrs instanceof ServletRequestAttributes, "No current ServletRequestAttributes"); List<MediaType> requestedMediaTypes = getMediaTypes(((ServletRequestAttributes) attrs).getRequest()); if (requestedMediaTypes != null) { List<View> candidateViews = getCandidateViews(viewName, locale, requestedMediaTypes); View bestView = getBestView(candidateViews, requestedMediaTypes, attrs); if (bestView != null) { return bestView; } } String mediaTypeInfo = logger.isDebugEnabled() && requestedMediaTypes != null ? " given " + requestedMediaTypes.toString() : ""; if (this.useNotAcceptableStatusCode) { if (logger.isDebugEnabled()) { logger.debug("Using 406 NOT_ACCEPTABLE" + mediaTypeInfo); } return NOT_ACCEPTABLE_VIEW; } else { logger.debug("View remains unresolved" + mediaTypeInfo); return null; } }
@Override @Nullable public View resolveViewName(String viewName, Locale locale) throws Exception { RequestAttributes attrs = RequestContextHolder.getRequestAttributes(); Assert.state(attrs instanceof ServletRequestAttributes, "No current ServletRequestAttributes"); List<MediaType> requestedMediaTypes = getMediaTypes(((ServletRequestAttributes) attrs).getRequest()); if (requestedMediaTypes != null) { List<View> candidateViews = getCandidateViews(viewName, locale, requestedMediaTypes); View bestView = getBestView(candidateViews, requestedMediaTypes, attrs); if (bestView != null) { return bestView; } } String mediaTypeInfo = logger.isDebugEnabled() && requestedMediaTypes != null ? " given " + requestedMediaTypes.toString() : ""; if (this.useNotAcceptableStatusCode) { if (logger.isDebugEnabled()) { logger.debug("Using 406 NOT_ACCEPTABLE" + mediaTypeInfo); } return NOT_ACCEPTABLE_VIEW; } else { logger.debug("View remains unresolved" + mediaTypeInfo); return null; } }
@Test public void getMediaTypeAcceptHeaderWithProduces() throws Exception { Set<MediaType> producibleTypes = Collections.singleton(MediaType.APPLICATION_XHTML_XML); request.setAttribute(HandlerMapping.PRODUCIBLE_MEDIA_TYPES_ATTRIBUTE, producibleTypes); request.addHeader("Accept", "text/html,application/xml;q=0.9,application/xhtml+xml,*/*;q=0.8"); viewResolver.afterPropertiesSet(); List<MediaType> result = viewResolver.getMediaTypes(request); assertEquals("Invalid content type", new MediaType("application", "xhtml+xml"), result.get(0)); }
public List<MediaType> getMediaTypes(HttpServletRequest request) { return super.getMediaTypes(request); }
@Override public View resolveViewName(String viewName, Locale locale) throws Exception { RequestAttributes attrs = RequestContextHolder.getRequestAttributes(); Assert.state(attrs instanceof ServletRequestAttributes, "No current ServletRequestAttributes"); List<MediaType> requestedMediaTypes = getMediaTypes(((ServletRequestAttributes) attrs).getRequest()); if (requestedMediaTypes != null) { List<View> candidateViews = getCandidateViews(viewName, locale, requestedMediaTypes); View bestView = getBestView(candidateViews, requestedMediaTypes, attrs); if (bestView != null) { return bestView; } } if (this.useNotAcceptableStatusCode) { if (logger.isDebugEnabled()) { logger.debug("No acceptable view found; returning 406 (Not Acceptable) status code"); } return NOT_ACCEPTABLE_VIEW; } else { logger.debug("No acceptable view found; returning null"); return null; } }