Example usage for org.springframework.http.server ServletServerHttpRequest getHeaders

Introduction

In this page you can find the example usage for org.springframework.http.server ServletServerHttpRequest getHeaders.

Prototype

@Override
    public HttpHeaders getHeaders() 

Source Link

Usage

From source file:org.springframework.data.rest.webmvc.config.PersistentEntityResourceHandlerMethodArgumentResolver.java

@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
        NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {

    RootResourceInformation resourceInformation = resourceInformationResolver.resolveArgument(parameter,
            mavContainer, webRequest, binderFactory);

    HttpServletRequest nativeRequest = webRequest.getNativeRequest(HttpServletRequest.class);
    ServletServerHttpRequest request = new ServletServerHttpRequest(nativeRequest);
    IncomingRequest incoming = new IncomingRequest(request);

    Class<?> domainType = resourceInformation.getDomainType();
    MediaType contentType = request.getHeaders().getContentType();

    for (HttpMessageConverter converter : messageConverters) {

        if (!converter.canRead(PersistentEntityResource.class, contentType)) {
            continue;
        }//  w ww  .j a v a  2 s.c om

        Serializable id = idResolver.resolveArgument(parameter, mavContainer, webRequest, binderFactory);
        Object objectToUpdate = getObjectToUpdate(id, resourceInformation);

        boolean forUpdate = false;
        Object entityIdentifier = null;
        PersistentEntity<?, ?> entity = resourceInformation.getPersistentEntity();

        if (objectToUpdate != null) {
            forUpdate = true;
            entityIdentifier = entity.getIdentifierAccessor(objectToUpdate).getIdentifier();
        }

        Object obj = read(resourceInformation, incoming, converter, objectToUpdate);

        if (obj == null) {
            throw new HttpMessageNotReadableException(String.format(ERROR_MESSAGE, domainType));
        }

        if (entityIdentifier != null) {
            entity.getPropertyAccessor(obj).setProperty(entity.getIdProperty(), entityIdentifier);
        }

        Builder build = PersistentEntityResource.build(obj, entity);
        return forUpdate ? build.build() : build.forCreation();
    }

    throw new HttpMessageNotReadableException(String.format(NO_CONVERTER_FOUND, domainType, contentType));
}

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From source file:org.springframework.web.servlet.DispatcherServletMod.java

/**
 * No handler found -> set appropriate HTTP response status.
 * // w  w w  .  j a  v a2 s .  com
 * @param request
 *            current HTTP request
 * @param response
 *            current HTTP response
 * @throws Exception
 *             if preparing the response failed
 */
protected void noHandlerFound(HttpServletRequest request, HttpServletResponse response) throws Exception {
    if (pageNotFoundLogger.isWarnEnabled()) {
        String requestUri = urlPathHelper.getRequestUri(request);
        pageNotFoundLogger.warn("No mapping found for HTTP request with URI [" + requestUri
                + "] in DispatcherServlet with name '" + getServletName() + "'");
    }
    if (throwExceptionIfNoHandlerFound) {
        ServletServerHttpRequest req = new ServletServerHttpRequest(request);
        throw new NoHandlerFoundException(req.getMethod().name(), req.getServletRequest().getRequestURI(),
                req.getHeaders());
    } else {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
    }
}

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From source file:org.springframework.web.servlet.resource.ResourceHttpRequestHandler.java

/**
 * Processes a resource request./*  ww  w  . j a v a 2s  . c om*/
 * <p>Checks for the existence of the requested resource in the configured list of locations.
 * If the resource does not exist, a {@code 404} response will be returned to the client.
 * If the resource exists, the request will be checked for the presence of the
 * {@code Last-Modified} header, and its value will be compared against the last-modified
 * timestamp of the given resource, returning a {@code 304} status code if the
 * {@code Last-Modified} value  is greater. If the resource is newer than the
 * {@code Last-Modified} value, or the header is not present, the content resource
 * of the resource will be written to the response with caching headers
 * set to expire one year in the future.
 */
@Override
public void handleRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    // For very general mappings (e.g. "/") we need to check 404 first
    Resource resource = getResource(request);
    if (resource == null) {
        logger.trace("No matching resource found - returning 404");
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        return;
    }

    if (HttpMethod.OPTIONS.matches(request.getMethod())) {
        response.setHeader("Allow", getAllowHeader());
        return;
    }

    // Supported methods and required session
    checkRequest(request);

    // Header phase
    if (new ServletWebRequest(request, response).checkNotModified(resource.lastModified())) {
        logger.trace("Resource not modified - returning 304");
        return;
    }

    // Apply cache settings, if any
    prepareResponse(response);

    // Check the media type for the resource
    MediaType mediaType = getMediaType(request, resource);
    if (mediaType != null) {
        if (logger.isTraceEnabled()) {
            logger.trace("Determined media type '" + mediaType + "' for " + resource);
        }
    } else {
        if (logger.isTraceEnabled()) {
            logger.trace("No media type found for " + resource + " - not sending a content-type header");
        }
    }

    // Content phase
    if (METHOD_HEAD.equals(request.getMethod())) {
        setHeaders(response, resource, mediaType);
        logger.trace("HEAD request - skipping content");
        return;
    }

    ServletServerHttpResponse outputMessage = new ServletServerHttpResponse(response);
    if (request.getHeader(HttpHeaders.RANGE) == null) {
        Assert.state(this.resourceHttpMessageConverter != null, "Not initialized");
        setHeaders(response, resource, mediaType);
        this.resourceHttpMessageConverter.write(resource, mediaType, outputMessage);
    } else {
        Assert.state(this.resourceRegionHttpMessageConverter != null, "Not initialized");
        response.setHeader(HttpHeaders.ACCEPT_RANGES, "bytes");
        ServletServerHttpRequest inputMessage = new ServletServerHttpRequest(request);
        try {
            List<HttpRange> httpRanges = inputMessage.getHeaders().getRange();
            response.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT);
            this.resourceRegionHttpMessageConverter.write(HttpRange.toResourceRegions(httpRanges, resource),
                    mediaType, outputMessage);
        } catch (IllegalArgumentException ex) {
            response.setHeader("Content-Range", "bytes */" + resource.contentLength());
            response.sendError(HttpServletResponse.SC_REQUESTED_RANGE_NOT_SATISFIABLE);
        }
    }
}

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