下面列出了怎么用org.springframework.web.servlet.support.RequestContext的API类实例代码及写法，或者点击链接到github查看源代码。
@Override
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
HttpServletResponse response) throws Exception {
Assert.state(this.renderer != null, "No Renderer set");
exposeModelAsRequestAttributes(model, request);
if (this.exposeJstlAttributes) {
JstlUtils.exposeLocalizationContext(new RequestContext(request, getServletContext()));
}
if (this.alwaysInclude) {
request.setAttribute(AbstractRequest.FORCE_INCLUDE_ATTRIBUTE_NAME, true);
}
Request tilesRequest = createTilesRequest(request, response);
this.renderer.render(getUrl(), tilesRequest);
}
/**
* 发送反馈邮件
*/
@RequestMapping(value = "/feedback", method = RequestMethod.POST)
public ResultBean sendFeedback(HttpServletRequest request,
@RequestParam(value = "bloggerId", required = false) Integer bloggerId,
@RequestParam("content") String content,
@RequestParam(value = "contact", required = false) String contact) {
if (bloggerId != null) {
handleBloggerSignInCheck(request, bloggerId);
}
String subject = new RequestContext(request).getMessage("common.feedbackTitle");
if (!emailService.sendFeedback(bloggerId == null ? -1 : bloggerId, subject, content, contact))
handlerOperateFail(request);
return new ResultBean<>("");
}
@Test
@SuppressWarnings("rawtypes")
public void requestContext() throws ServletException {
PageContext pc = createPageContext();
RequestContext rc = new RequestContext((HttpServletRequest) pc.getRequest(), pc.getServletContext());
assertEquals("test message", rc.getMessage("test"));
assertEquals("test message", rc.getMessage("test", (Object[]) null));
assertEquals("test message", rc.getMessage("test", "default"));
assertEquals("test message", rc.getMessage("test", (Object[]) null, "default"));
assertEquals("test arg1 message arg2",
rc.getMessage("testArgs", new String[] {"arg1", "arg2"}, "default"));
assertEquals("test arg1 message arg2",
rc.getMessage("testArgs", Arrays.asList(new String[] {"arg1", "arg2"}), "default"));
assertEquals("default", rc.getMessage("testa", "default"));
assertEquals("default", rc.getMessage("testa", (List) null, "default"));
MessageSourceResolvable resolvable = new DefaultMessageSourceResolvable(new String[] {"test"});
assertEquals("test message", rc.getMessage(resolvable));
}
@Test
@SuppressWarnings("rawtypes")
public void requestContext() throws ServletException {
PageContext pc = createPageContext();
RequestContext rc = new RequestContext((HttpServletRequest) pc.getRequest());
assertEquals("theme test message", rc.getThemeMessage("themetest"));
assertEquals("theme test message", rc.getThemeMessage("themetest", (String[]) null));
assertEquals("theme test message", rc.getThemeMessage("themetest", "default"));
assertEquals("theme test message", rc.getThemeMessage("themetest", (Object[]) null, "default"));
assertEquals("theme test message arg1",
rc.getThemeMessage("themetestArgs", new String[] {"arg1"}));
assertEquals("theme test message arg1",
rc.getThemeMessage("themetestArgs", Arrays.asList(new String[] {"arg1"})));
assertEquals("default", rc.getThemeMessage("themetesta", "default"));
assertEquals("default", rc.getThemeMessage("themetesta", (List) null, "default"));
MessageSourceResolvable resolvable = new DefaultMessageSourceResolvable(new String[] {"themetest"});
assertEquals("theme test message", rc.getThemeMessage(resolvable));
}
@Override
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
HttpServletResponse response) throws Exception {
Assert.state(this.renderer != null, "No Renderer set");
exposeModelAsRequestAttributes(model, request);
if (this.exposeJstlAttributes) {
JstlUtils.exposeLocalizationContext(new RequestContext(request, getServletContext()));
}
if (this.alwaysInclude) {
request.setAttribute(AbstractRequest.FORCE_INCLUDE_ATTRIBUTE_NAME, true);
}
Request tilesRequest = createTilesRequest(request, response);
this.renderer.render(getUrl(), tilesRequest);
}
@Test
@SuppressWarnings("rawtypes")
public void requestContext() throws ServletException {
PageContext pc = createPageContext();
RequestContext rc = new RequestContext((HttpServletRequest) pc.getRequest());
assertEquals("theme test message", rc.getThemeMessage("themetest"));
assertEquals("theme test message", rc.getThemeMessage("themetest", (String[]) null));
assertEquals("theme test message", rc.getThemeMessage("themetest", "default"));
assertEquals("theme test message", rc.getThemeMessage("themetest", (Object[]) null, "default"));
assertEquals("theme test message arg1",
rc.getThemeMessage("themetestArgs", new String[] {"arg1"}));
assertEquals("theme test message arg1",
rc.getThemeMessage("themetestArgs", Arrays.asList(new String[] {"arg1"})));
assertEquals("default", rc.getThemeMessage("themetesta", "default"));
assertEquals("default", rc.getThemeMessage("themetesta", (List) null, "default"));
MessageSourceResolvable resolvable = new DefaultMessageSourceResolvable(new String[] {"themetest"});
assertEquals("theme test message", rc.getThemeMessage(resolvable));
}
/**
* Expose current Spring-managed Locale and MessageSource to JasperReports i18n
* ($R expressions etc). The MessageSource should only be exposed as JasperReports
* resource bundle if no such bundle is defined in the report itself.
* <p>The default implementation exposes the Spring RequestContext Locale and a
* MessageSourceResourceBundle adapter for the Spring ApplicationContext,
* analogous to the {@code JstlUtils.exposeLocalizationContext} method.
* @see org.springframework.web.servlet.support.RequestContextUtils#getLocale
* @see org.springframework.context.support.MessageSourceResourceBundle
* @see #getApplicationContext()
* @see net.sf.jasperreports.engine.JRParameter#REPORT_LOCALE
* @see net.sf.jasperreports.engine.JRParameter#REPORT_RESOURCE_BUNDLE
* @see org.springframework.web.servlet.support.JstlUtils#exposeLocalizationContext
*/
protected void exposeLocalizationContext(Map<String, Object> model, HttpServletRequest request) {
RequestContext rc = new RequestContext(request, getServletContext());
Locale locale = rc.getLocale();
if (!model.containsKey(JRParameter.REPORT_LOCALE)) {
model.put(JRParameter.REPORT_LOCALE, locale);
}
TimeZone timeZone = rc.getTimeZone();
if (timeZone != null && !model.containsKey(JRParameter.REPORT_TIME_ZONE)) {
model.put(JRParameter.REPORT_TIME_ZONE, timeZone);
}
JasperReport report = getReport();
if ((report == null || report.getResourceBundle() == null) &&
!model.containsKey(JRParameter.REPORT_RESOURCE_BUNDLE)) {
model.put(JRParameter.REPORT_RESOURCE_BUNDLE,
new MessageSourceResourceBundle(rc.getMessageSource(), locale));
}
}
/**
* 输出公开图片，这些图片无需验证登录，如果数据库不存在指定图片，则返回默认图片
*/
@RequestMapping(value = "/type=public/{imageId}", method = RequestMethod.GET)
public void getBlogPicture(HttpServletRequest request, HttpServletResponse response,
@PathVariable("bloggerId") Integer bloggerId,
@PathVariable("imageId") Integer imageId,
@RequestParam(value = "default", required = false) Integer category) {
handleAccountCheck(request, bloggerId);
// 检查default是否为默认类别
if (category != null)
handleBlogCategoryDefaultCheck(request, category);
BloggerPicture picture = bloggerPictureService.getPicture(imageId, bloggerId);
// 如果图片是私有的，不能访问
if (picture != null && picture.getCategory().equals(BloggerPictureCategoryEnum.PRIVATE.getCode()))
throw exceptionManager.getUnauthorizedException(new RequestContext(request));
BloggerPicture backupPicture = bloggerPictureService.getDefaultPicture(
category == null ? BloggerPictureCategoryEnum.DEFAULT_PICTURE
: BloggerPictureCategoryEnum.valueOf(category)); //如果目标图片不存在，返回指定类别的默认图片
// 输出图片
outPutPicture(picture, backupPicture, request, response);
}
@Test
@SuppressWarnings("rawtypes")
public void requestContext() throws ServletException {
PageContext pc = createPageContext();
RequestContext rc = new RequestContext((HttpServletRequest) pc.getRequest(), pc.getServletContext());
assertEquals("test message", rc.getMessage("test"));
assertEquals("test message", rc.getMessage("test", (Object[]) null));
assertEquals("test message", rc.getMessage("test", "default"));
assertEquals("test message", rc.getMessage("test", (Object[]) null, "default"));
assertEquals("test arg1 message arg2",
rc.getMessage("testArgs", new String[] {"arg1", "arg2"}, "default"));
assertEquals("test arg1 message arg2",
rc.getMessage("testArgs", Arrays.asList(new String[] {"arg1", "arg2"}), "default"));
assertEquals("default", rc.getMessage("testa", "default"));
assertEquals("default", rc.getMessage("testa", (List) null, "default"));
MessageSourceResolvable resolvable = new DefaultMessageSourceResolvable(new String[] {"test"});
assertEquals("test message", rc.getMessage(resolvable));
}
/**
* 从设备和数据库中删除图片
*/
@RequestMapping(value = "/{pictureId}", method = RequestMethod.DELETE)
@ResponseBody
public ResultBean delete(HttpServletRequest request,
@PathVariable("bloggerId") Integer bloggerId,
@PathVariable("pictureId") Integer pictureId) {
handleBloggerSignInCheck(request, bloggerId);
BloggerPicture picture = bloggerPictureService.getPicture(pictureId, bloggerId);
if (picture == null) {
throw exceptionManager.getUnknownPictureException(new RequestContext(request));
}
//检查权限
if (!validateManager.checkBloggerPictureLegal(bloggerId, picture.getCategory()))
throw exceptionManager.getUnauthorizedException(new RequestContext(request));
boolean succ = bloggerPictureService.deletePicture(bloggerId, picture.getId(), true);
if (!succ) handlerOperateFail(request);
return new ResultBean<>("");
}
@Override
protected void renderMergedOutputModel(
Map<String, Object> model, HttpServletRequest request, HttpServletResponse response) throws Exception {
ServletContext servletContext = getServletContext();
TilesContainer container = ServletUtil.getContainer(servletContext);
if (container == null) {
throw new ServletException("Tiles container is not initialized. " +
"Have you added a TilesConfigurer to your web application context?");
}
exposeModelAsRequestAttributes(model, request);
JstlUtils.exposeLocalizationContext(new RequestContext(request, servletContext));
if (this.alwaysInclude) {
ServletUtil.setForceInclude(request, true);
}
container.render(getUrl(), request, response);
}
/**
* 下载博文
*/
@RequestMapping(value = "/download-type={type}", method = RequestMethod.GET)
public void download(HttpServletRequest request, HttpServletResponse response,
@PathVariable Integer bloggerId,
@PathVariable String type) {
handleBloggerSignInCheck(request, bloggerId);
// 检查请求的文件类别
BlogFormatEnum format = BlogFormatEnum.get(type);
if (format == null) {
throw exceptionManager.getParameterIllegalException(new RequestContext(request));
}
String zipFilePath = bloggerBlogService.getAllBlogForDownload(bloggerId, format);
if (StringUtils.isEmpty(zipFilePath)) handlerOperateFail(request);
// 输出文件流
outFile(zipFilePath, request, response);
// 删除临时 zip 文件
fileManager.deleteFileIfExist(zipFilePath);
}
/**
* 修改博文收藏
*/
@RequestMapping(value = "/{blogId}", method = RequestMethod.PUT)
public ResultBean update(HttpServletRequest request,
@PathVariable("blogId") Integer blogId,
@PathVariable("bloggerId") Integer bloggerId,
@RequestParam(value = "reason", required = false) String newReason) {
handleBloggerSignInCheck(request, bloggerId);
if (StringUtils.isEmpty(newReason)) {
throw exceptionManager.getParameterIllegalException(new RequestContext(request));
}
boolean result = bloggerCollectBlogService.updateCollect(bloggerId, blogId, newReason, -1);
if (!result) handlerOperateFail(request);
return new ResultBean<>("");
}
/**
* 投诉博文
*/
@RequestMapping(value = "/operate=complain", method = RequestMethod.POST)
public ResultBean complainBlog(HttpServletRequest request,
@PathVariable Integer blogId,
@PathVariable Integer bloggerId,
@RequestParam("content") String content) {
if (StringUtils.isEmpty_(content))
throw exceptionManager.getParameterIllegalException(new RequestContext(request));
handleBloggerSignInCheck(request, bloggerId);
handleBlogExistCheck(request, blogId);
//执行
int id = operateService.insertComplain(blogId, bloggerId, content);
if (id <= 0) handlerOperateFail(request);
return new ResultBean<>(id);
}
/**
* 新增评论
*/
@RequestMapping(method = RequestMethod.POST)
public ResultBean add(HttpServletRequest request,
@PathVariable Integer bloggerId,
@RequestParam("blogId") Integer blogId,
@RequestParam("content") String content,
@RequestParam("listenerId") Integer listenerId) {
handleBloggerSignInCheck(request, bloggerId);
handleBlogExistCheck(request, blogId);
handleBloggerExist(request, listenerId);
if (StringUtils.isEmpty_(content) || !commentValidateManager.checkCommentContent(content))
throw exceptionManager.getParameterIllegalException(new RequestContext(request));
int id = commentService.insertComment(blogId, bloggerId, listenerId, RIGHTFUL.getCode(), content);
if (id < 0) handlerOperateFail(request);
return new ResultBean<>(id);
}
@Override
public void resolveData(final HttpServletRequest request, final HttpServletResponse response, final Map<String, ? extends Object> model, final SoyMapData root) {
final RequestContext requestContext = new RequestContext(request, response, servletContext, (Map<String, Object>) model);
if (requestContext.getContextPath() != null) {
root.put(prefix + "contextPath", requestContext.getContextPath());
}
if (requestContext.getPathToServlet() != null) {
root.put(prefix + "pathToServlet", requestContext.getPathToServlet());
}
if (requestContext.getQueryString() != null) {
root.put(prefix + "queryString", requestContext.getQueryString());
}
if (requestContext.getRequestUri() != null) {
root.put(prefix + "requestUri", requestContext.getRequestUri());
}
if (requestContext.getLocale() != null) {
root.put(prefix + "locale", requestContext.getLocale().toString());
}
}
private void doTestUrlBasedViewResolverWithoutPrefixes(UrlBasedViewResolver vr) throws Exception {
StaticWebApplicationContext wac = new StaticWebApplicationContext();
wac.setServletContext(new MockServletContext());
wac.refresh();
vr.setApplicationContext(wac);
vr.setContentType("myContentType");
vr.setRequestContextAttribute("rc");
View view = vr.resolveViewName("example1", Locale.getDefault());
assertEquals("Correct view class", JstlView.class, view.getClass());
assertEquals("Correct URL", "example1", ((InternalResourceView) view).getUrl());
assertEquals("Correct textContentType", "myContentType", ((InternalResourceView) view).getContentType());
view = vr.resolveViewName("example2", Locale.getDefault());
assertEquals("Correct view class", JstlView.class, view.getClass());
assertEquals("Correct URL", "example2", ((InternalResourceView) view).getUrl());
assertEquals("Correct textContentType", "myContentType", ((InternalResourceView) view).getContentType());
HttpServletRequest request = new MockHttpServletRequest(wac.getServletContext());
HttpServletResponse response = new MockHttpServletResponse();
request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
request.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE, new AcceptHeaderLocaleResolver());
request.setAttribute(DispatcherServlet.THEME_RESOLVER_ATTRIBUTE, new FixedThemeResolver());
Map<String, Object> model = new HashMap<>();
TestBean tb = new TestBean();
model.put("tb", tb);
view.render(model, request, response);
assertTrue("Correct tb attribute", tb.equals(request.getAttribute("tb")));
assertTrue("Correct rc attribute", request.getAttribute("rc") instanceof RequestContext);
view = vr.resolveViewName("redirect:myUrl", Locale.getDefault());
assertEquals("Correct view class", RedirectView.class, view.getClass());
assertEquals("Correct URL", "myUrl", ((RedirectView) view).getUrl());
assertSame("View not initialized as bean", wac, ((RedirectView) view).getApplicationContext());
view = vr.resolveViewName("forward:myUrl", Locale.getDefault());
assertEquals("Correct view class", InternalResourceView.class, view.getClass());
assertEquals("Correct URL", "myUrl", ((InternalResourceView) view).getUrl());
}
@Before
public void setUp() {
MockServletContext sc = new MockServletContext();
WebApplicationContext wac = new StaticWebApplicationContext();
sc.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
req = new MockHttpServletRequest(sc);
resp = new MockHttpServletResponse();
context = new MockPageContext(sc, req, resp);
rcon = new RequestContext(req, sc);
context.setAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE, rcon);
}
@Override
protected void renderMergedOutputModel(
Map<String, Object> model, HttpServletRequest request, HttpServletResponse response) throws Exception {
RequestContext rc = new RequestContext(request, model);
rc.getBindStatus("dataClass");
rc.getBindStatus("dataClass.param1");
rc.getBindStatus("dataClass.param2");
rc.getBindStatus("dataClass.param3");
response.getWriter().write(this.content);
}
public static BindStatus create(PageContext pageContext, String name, RequestContext requestContext, boolean htmlEscape) {
pageContext.getRequest().setAttribute(pathToUse, SearchModel.EMPTY);
SearchBindStatus bindStatus = new SearchBindStatus(requestContext, pathToUse, htmlEscape);
bindStatus.value = getValue(pageContext, name);
bindStatus.htmlEscape = htmlEscape;
return bindStatus;
}
protected MockPageContext createAndPopulatePageContext() throws JspException {
MockPageContext pageContext = createPageContext();
MockHttpServletRequest request = (MockHttpServletRequest) pageContext.getRequest();
((StaticWebApplicationContext) RequestContextUtils.findWebApplicationContext(request))
.registerSingleton("requestDataValueProcessor", RequestDataValueProcessorWrapper.class);
extendRequest(request);
extendPageContext(pageContext);
RequestContext requestContext = new JspAwareRequestContext(pageContext);
pageContext.setAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE, requestContext);
return pageContext;
}
protected static void addRequestContextAsVariable(final Map<String, Object> model, final String variableName, final RequestContext requestContext) throws ContextException {
if (model.containsKey(variableName)) {
throw new ContextException(new ServletException("Cannot expose request context in model attribute '" + variableName + "' because of an existing model object of the same name"));
}
model.put(variableName, requestContext);
}
protected void exposeBindingResult(Errors errors) {
// wrap errors in a Model
Map<String, Object> model = Collections.singletonMap(
BindingResult.MODEL_KEY_PREFIX + COMMAND_NAME, errors);
// replace the request context with one containing the errors
MockPageContext pageContext = getPageContext();
RequestContext context = new RequestContext((HttpServletRequest) pageContext.getRequest(), model);
pageContext.setAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE, context);
}
@Override
protected void exposeBindingResult(Errors errors) {
// wrap errors in a Model
Map model = new HashMap();
model.put(BindingResult.MODEL_KEY_PREFIX + COMMAND_NAME, errors);
// replace the request context with one containing the errors
MockPageContext pageContext = getPageContext();
RequestContext context = new RequestContext((HttpServletRequest) pageContext.getRequest(), model);
pageContext.setAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE, context);
}
/**
* Exposes a JSTL LocalizationContext for Spring's locale and MessageSource.
* @see JstlUtils#exposeLocalizationContext
*/
@Override
protected void exposeHelpers(HttpServletRequest request) throws Exception {
if (this.messageSource != null) {
JstlUtils.exposeLocalizationContext(request, this.messageSource);
}
else {
JstlUtils.exposeLocalizationContext(new RequestContext(request, getServletContext()));
}
}
@Override
protected void renderMergedOutputModel(
Map<String, Object> model, HttpServletRequest request, HttpServletResponse response) throws Exception {
RequestContext rc = new RequestContext(request, model);
rc.getBindStatus("dataClass");
rc.getBindStatus("dataClass.param1");
rc.getBindStatus("dataClass.param2");
rc.getBindStatus("dataClass.param3");
response.getWriter().write(this.content);
}
@Override
protected void exposeBindingResult(Errors errors) {
// wrap errors in a Model
Map model = new HashMap();
model.put(BindingResult.MODEL_KEY_PREFIX + COMMAND_NAME, errors);
// replace the request context with one containing the errors
MockPageContext pageContext = getPageContext();
RequestContext context = new RequestContext((HttpServletRequest) pageContext.getRequest(), model);
pageContext.setAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE, context);
}
protected void exposeBindingResult(Errors errors) {
// wrap errors in a Model
Map<String, Object> model = Collections.singletonMap(
BindingResult.MODEL_KEY_PREFIX + COMMAND_NAME, errors);
// replace the request context with one containing the errors
MockPageContext pageContext = getPageContext();
RequestContext context = new RequestContext((HttpServletRequest) pageContext.getRequest(), model);
pageContext.setAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE, context);
}
protected MockPageContext createAndPopulatePageContext() throws JspException {
MockPageContext pageContext = createPageContext();
MockHttpServletRequest request = (MockHttpServletRequest) pageContext.getRequest();
StaticWebApplicationContext wac = (StaticWebApplicationContext) RequestContextUtils.findWebApplicationContext(request);
wac.registerSingleton("requestDataValueProcessor", RequestDataValueProcessorWrapper.class);
extendRequest(request);
extendPageContext(pageContext);
RequestContext requestContext = new JspAwareRequestContext(pageContext);
pageContext.setAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE, requestContext);
return pageContext;
}
@Override
public IContext convert(fr.sii.ogham.core.template.context.Context context) throws ContextException {
IContext base = delegate.convert(context);
// the web context may be lost due to @Async method call
if (isAsyncCall()) {
return base;
}
// partially borrowed from org.thymeleaf.spring5.view.ThymeleafView
final Map<String, Object> springModel = new HashMap<>(30);
HttpServletRequest request = webContextProvider.getRequest(context);
HttpServletResponse response = webContextProvider.getResponse(context);
ServletContext servletContext = webContextProvider.getServletContext(context);
if (pathVariablesSelector != null) {
@SuppressWarnings("unchecked")
final Map<String, Object> pathVars = (Map<String, Object>) request.getAttribute(pathVariablesSelector);
if (pathVars != null) {
springModel.putAll(pathVars);
}
}
final RequestContext requestContext = new RequestContext(request, response, servletContext, springModel);
// For compatibility with ThymeleafView
addRequestContextAsVariable(springModel, springRequestContextVariableName, requestContext);
// For compatibility with AbstractTemplateView
addRequestContextAsVariable(springModel, AbstractTemplateView.SPRING_MACRO_REQUEST_CONTEXT_ATTRIBUTE, requestContext);
thymeleafRequestContextWrapper.wrapAndRegister(requestContext, request, response, servletContext, springModel);
return contextMerger.merge(thymeleafWebContextProvider.getWebContext(context, base, request, response, servletContext, applicationContext, springModel), base);
}