下面列出了org.springframework.context.i18n.LocaleContext#getLocale ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
public RequestContext(ServerWebExchange exchange, Map<String, Object> model, MessageSource messageSource,
@Nullable RequestDataValueProcessor dataValueProcessor) {
Assert.notNull(exchange, "ServerWebExchange is required");
Assert.notNull(model, "Model is required");
Assert.notNull(messageSource, "MessageSource is required");
this.exchange = exchange;
this.model = model;
this.messageSource = messageSource;
LocaleContext localeContext = exchange.getLocaleContext();
Locale locale = localeContext.getLocale();
this.locale = (locale != null ? locale : Locale.getDefault());
TimeZone timeZone = (localeContext instanceof TimeZoneAwareLocaleContext ?
((TimeZoneAwareLocaleContext) localeContext).getTimeZone() : null);
this.timeZone = (timeZone != null ? timeZone : TimeZone.getDefault());
this.defaultHtmlEscape = null; // TODO
this.dataValueProcessor = dataValueProcessor;
}
@Override
public void setLocaleContext(HttpServletRequest request, @Nullable HttpServletResponse response,
@Nullable LocaleContext localeContext) {
Assert.notNull(response, "HttpServletResponse is required for CookieLocaleResolver");
Locale locale = null;
TimeZone timeZone = null;
if (localeContext != null) {
locale = localeContext.getLocale();
if (localeContext instanceof TimeZoneAwareLocaleContext) {
timeZone = ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
}
addCookie(response,
(locale != null ? toLocaleValue(locale) : "-") + (timeZone != null ? '/' + timeZone.getID() : ""));
}
else {
removeCookie(response);
}
request.setAttribute(LOCALE_REQUEST_ATTRIBUTE_NAME,
(locale != null ? locale : determineDefaultLocale(request)));
request.setAttribute(TIME_ZONE_REQUEST_ATTRIBUTE_NAME,
(timeZone != null ? timeZone : determineDefaultTimeZone(request)));
}
/**
* Create a HttpPost for the given configuration.
* <p>The default implementation creates a standard HttpPost with
* "application/x-java-serialized-object" as "Content-Type" header.
* @param config the HTTP invoker configuration that specifies the
* target service
* @return the HttpPost instance
* @throws java.io.IOException if thrown by I/O methods
*/
protected HttpPost createHttpPost(HttpInvokerClientConfiguration config) throws IOException {
HttpPost httpPost = new HttpPost(config.getServiceUrl());
RequestConfig requestConfig = createRequestConfig(config);
if (requestConfig != null) {
httpPost.setConfig(requestConfig);
}
LocaleContext localeContext = LocaleContextHolder.getLocaleContext();
if (localeContext != null) {
Locale locale = localeContext.getLocale();
if (locale != null) {
httpPost.addHeader(HTTP_HEADER_ACCEPT_LANGUAGE, locale.toLanguageTag());
}
}
if (isAcceptGzipEncoding()) {
httpPost.addHeader(HTTP_HEADER_ACCEPT_ENCODING, ENCODING_GZIP);
}
return httpPost;
}
/**
* Prepare the given HTTP connection.
* <p>The default implementation specifies POST as method,
* "application/x-java-serialized-object" as "Content-Type" header,
* and the given content length as "Content-Length" header.
* @param connection the HTTP connection to prepare
* @param contentLength the length of the content to send
* @throws IOException if thrown by HttpURLConnection methods
* @see java.net.HttpURLConnection#setRequestMethod
* @see java.net.HttpURLConnection#setRequestProperty
*/
protected void prepareConnection(HttpURLConnection connection, int contentLength) throws IOException {
if (this.connectTimeout >= 0) {
connection.setConnectTimeout(this.connectTimeout);
}
if (this.readTimeout >= 0) {
connection.setReadTimeout(this.readTimeout);
}
connection.setDoOutput(true);
connection.setRequestMethod(HTTP_METHOD_POST);
connection.setRequestProperty(HTTP_HEADER_CONTENT_TYPE, getContentType());
connection.setRequestProperty(HTTP_HEADER_CONTENT_LENGTH, Integer.toString(contentLength));
LocaleContext localeContext = LocaleContextHolder.getLocaleContext();
if (localeContext != null) {
Locale locale = localeContext.getLocale();
if (locale != null) {
connection.setRequestProperty(HTTP_HEADER_ACCEPT_LANGUAGE, locale.toLanguageTag());
}
}
if (isAcceptGzipEncoding()) {
connection.setRequestProperty(HTTP_HEADER_ACCEPT_ENCODING, ENCODING_GZIP);
}
}
public RequestContext(ServerWebExchange exchange, Map<String, Object> model, MessageSource messageSource,
@Nullable RequestDataValueProcessor dataValueProcessor) {
Assert.notNull(exchange, "ServerWebExchange is required");
Assert.notNull(model, "Model is required");
Assert.notNull(messageSource, "MessageSource is required");
this.exchange = exchange;
this.model = model;
this.messageSource = messageSource;
LocaleContext localeContext = exchange.getLocaleContext();
Locale locale = localeContext.getLocale();
this.locale = (locale != null ? locale : Locale.getDefault());
TimeZone timeZone = (localeContext instanceof TimeZoneAwareLocaleContext ?
((TimeZoneAwareLocaleContext) localeContext).getTimeZone() : null);
this.timeZone = (timeZone != null ? timeZone : TimeZone.getDefault());
this.defaultHtmlEscape = null; // TODO
this.dataValueProcessor = dataValueProcessor;
}
@Override
public void setLocaleContext(HttpServletRequest request, @Nullable HttpServletResponse response,
@Nullable LocaleContext localeContext) {
Assert.notNull(response, "HttpServletResponse is required for CookieLocaleResolver");
Locale locale = null;
TimeZone timeZone = null;
if (localeContext != null) {
locale = localeContext.getLocale();
if (localeContext instanceof TimeZoneAwareLocaleContext) {
timeZone = ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
}
addCookie(response,
(locale != null ? toLocaleValue(locale) : "-") + (timeZone != null ? '/' + timeZone.getID() : ""));
}
else {
removeCookie(response);
}
request.setAttribute(LOCALE_REQUEST_ATTRIBUTE_NAME,
(locale != null ? locale : determineDefaultLocale(request)));
request.setAttribute(TIME_ZONE_REQUEST_ATTRIBUTE_NAME,
(timeZone != null ? timeZone : determineDefaultTimeZone(request)));
}
/**
* Create a HttpPost for the given configuration.
* <p>The default implementation creates a standard HttpPost with
* "application/x-java-serialized-object" as "Content-Type" header.
* @param config the HTTP invoker configuration that specifies the
* target service
* @return the HttpPost instance
* @throws java.io.IOException if thrown by I/O methods
*/
protected HttpPost createHttpPost(HttpInvokerClientConfiguration config) throws IOException {
HttpPost httpPost = new HttpPost(config.getServiceUrl());
RequestConfig requestConfig = createRequestConfig(config);
if (requestConfig != null) {
httpPost.setConfig(requestConfig);
}
LocaleContext localeContext = LocaleContextHolder.getLocaleContext();
if (localeContext != null) {
Locale locale = localeContext.getLocale();
if (locale != null) {
httpPost.addHeader(HTTP_HEADER_ACCEPT_LANGUAGE, locale.toLanguageTag());
}
}
if (isAcceptGzipEncoding()) {
httpPost.addHeader(HTTP_HEADER_ACCEPT_ENCODING, ENCODING_GZIP);
}
return httpPost;
}
/**
* Prepare the given HTTP connection.
* <p>The default implementation specifies POST as method,
* "application/x-java-serialized-object" as "Content-Type" header,
* and the given content length as "Content-Length" header.
* @param connection the HTTP connection to prepare
* @param contentLength the length of the content to send
* @throws IOException if thrown by HttpURLConnection methods
* @see java.net.HttpURLConnection#setRequestMethod
* @see java.net.HttpURLConnection#setRequestProperty
*/
protected void prepareConnection(HttpURLConnection connection, int contentLength) throws IOException {
if (this.connectTimeout >= 0) {
connection.setConnectTimeout(this.connectTimeout);
}
if (this.readTimeout >= 0) {
connection.setReadTimeout(this.readTimeout);
}
connection.setDoOutput(true);
connection.setRequestMethod(HTTP_METHOD_POST);
connection.setRequestProperty(HTTP_HEADER_CONTENT_TYPE, getContentType());
connection.setRequestProperty(HTTP_HEADER_CONTENT_LENGTH, Integer.toString(contentLength));
LocaleContext localeContext = LocaleContextHolder.getLocaleContext();
if (localeContext != null) {
Locale locale = localeContext.getLocale();
if (locale != null) {
connection.setRequestProperty(HTTP_HEADER_ACCEPT_LANGUAGE, locale.toLanguageTag());
}
}
if (isAcceptGzipEncoding()) {
connection.setRequestProperty(HTTP_HEADER_ACCEPT_ENCODING, ENCODING_GZIP);
}
}
/**
* Create a HttpPost for the given configuration.
* <p>The default implementation creates a standard HttpPost with
* "application/x-java-serialized-object" as "Content-Type" header.
* @param config the HTTP invoker configuration that specifies the
* target service
* @return the HttpPost instance
* @throws java.io.IOException if thrown by I/O methods
*/
protected HttpPost createHttpPost(HttpInvokerClientConfiguration config) throws IOException {
HttpPost httpPost = new HttpPost(config.getServiceUrl());
RequestConfig requestConfig = createRequestConfig(config);
if (requestConfig != null) {
httpPost.setConfig(requestConfig);
}
LocaleContext localeContext = LocaleContextHolder.getLocaleContext();
if (localeContext != null) {
Locale locale = localeContext.getLocale();
if (locale != null) {
httpPost.addHeader(HTTP_HEADER_ACCEPT_LANGUAGE, StringUtils.toLanguageTag(locale));
}
}
if (isAcceptGzipEncoding()) {
httpPost.addHeader(HTTP_HEADER_ACCEPT_ENCODING, ENCODING_GZIP);
}
return httpPost;
}
/**
* Create a HttpPost for the given configuration.
* <p>The default implementation creates a standard HttpPost with
* "application/x-java-serialized-object" as "Content-Type" header.
* @param config the HTTP invoker configuration that specifies the
* target service
* @return the HttpPost instance
* @throws java.io.IOException if thrown by I/O methods
*/
protected HttpPost createHttpPost(HttpInvokerClientConfiguration config) throws IOException {
HttpPost httpPost = new HttpPost(config.getServiceUrl());
RequestConfig requestConfig = createRequestConfig(config);
if (requestConfig != null) {
httpPost.setConfig(requestConfig);
}
LocaleContext localeContext = LocaleContextHolder.getLocaleContext();
if (localeContext != null) {
Locale locale = localeContext.getLocale();
if (locale != null) {
httpPost.addHeader(HTTP_HEADER_ACCEPT_LANGUAGE, StringUtils.toLanguageTag(locale));
}
}
if (isAcceptGzipEncoding()) {
httpPost.addHeader(HTTP_HEADER_ACCEPT_ENCODING, ENCODING_GZIP);
}
return httpPost;
}
/**
* Prepare the given HTTP connection.
* <p>The default implementation specifies POST as method,
* "application/x-java-serialized-object" as "Content-Type" header,
* and the given content length as "Content-Length" header.
* @param connection the HTTP connection to prepare
* @param contentLength the length of the content to send
* @throws IOException if thrown by HttpURLConnection methods
* @see java.net.HttpURLConnection#setRequestMethod
* @see java.net.HttpURLConnection#setRequestProperty
*/
protected void prepareConnection(HttpURLConnection connection, int contentLength) throws IOException {
if (this.connectTimeout >= 0) {
connection.setConnectTimeout(this.connectTimeout);
}
if (this.readTimeout >= 0) {
connection.setReadTimeout(this.readTimeout);
}
connection.setDoOutput(true);
connection.setRequestMethod(HTTP_METHOD_POST);
connection.setRequestProperty(HTTP_HEADER_CONTENT_TYPE, getContentType());
connection.setRequestProperty(HTTP_HEADER_CONTENT_LENGTH, Integer.toString(contentLength));
LocaleContext localeContext = LocaleContextHolder.getLocaleContext();
if (localeContext != null) {
Locale locale = localeContext.getLocale();
if (locale != null) {
connection.setRequestProperty(HTTP_HEADER_ACCEPT_LANGUAGE, StringUtils.toLanguageTag(locale));
}
}
if (isAcceptGzipEncoding()) {
connection.setRequestProperty(HTTP_HEADER_ACCEPT_ENCODING, ENCODING_GZIP);
}
}
@Override
public void setLocaleContext(HttpServletRequest request, HttpServletResponse response, LocaleContext localeContext) {
Locale locale = null;
TimeZone timeZone = null;
if (localeContext != null) {
locale = localeContext.getLocale();
if (localeContext instanceof TimeZoneAwareLocaleContext) {
timeZone = ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
}
addCookie(response, (locale != null ? locale : "-") + (timeZone != null ? ' ' + timeZone.getID() : ""));
}
else {
removeCookie(response);
}
request.setAttribute(LOCALE_REQUEST_ATTRIBUTE_NAME,
(locale != null ? locale: determineDefaultLocale(request)));
request.setAttribute(TIME_ZONE_REQUEST_ATTRIBUTE_NAME,
(timeZone != null ? timeZone : determineDefaultTimeZone(request)));
}
@Override
public void setLocaleContext(HttpServletRequest request, @Nullable HttpServletResponse response,
@Nullable LocaleContext localeContext) {
Locale locale = null;
TimeZone timeZone = null;
if (localeContext != null) {
locale = localeContext.getLocale();
if (localeContext instanceof TimeZoneAwareLocaleContext) {
timeZone = ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
}
}
WebUtils.setSessionAttribute(request, this.localeAttributeName, locale);
WebUtils.setSessionAttribute(request, this.timeZoneAttributeName, timeZone);
}
@Override
public void setLocaleContext(HttpServletRequest request, @Nullable HttpServletResponse response,
@Nullable LocaleContext localeContext) {
Locale locale = null;
TimeZone timeZone = null;
if (localeContext != null) {
locale = localeContext.getLocale();
if (localeContext instanceof TimeZoneAwareLocaleContext) {
timeZone = ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
}
}
WebUtils.setSessionAttribute(request, this.localeAttributeName, locale);
WebUtils.setSessionAttribute(request, this.timeZoneAttributeName, timeZone);
}
@Override
public void setLocaleContext(HttpServletRequest request, HttpServletResponse response, LocaleContext localeContext) {
Locale locale = null;
TimeZone timeZone = null;
if (localeContext != null) {
locale = localeContext.getLocale();
if (localeContext instanceof TimeZoneAwareLocaleContext) {
timeZone = ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
}
}
WebUtils.setSessionAttribute(request, this.localeAttributeName, locale);
WebUtils.setSessionAttribute(request, this.timeZoneAttributeName, timeZone);
}
@Override
public void setLocaleContext(HttpServletRequest request, HttpServletResponse response, LocaleContext localeContext) {
Locale locale = null;
TimeZone timeZone = null;
if (localeContext != null) {
locale = localeContext.getLocale();
if (localeContext instanceof TimeZoneAwareLocaleContext) {
timeZone = ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
}
}
WebUtils.setSessionAttribute(request, LOCALE_SESSION_ATTRIBUTE_NAME, locale);
WebUtils.setSessionAttribute(request, TIME_ZONE_SESSION_ATTRIBUTE_NAME, timeZone);
}
/**
* Create a new RequestContext for the given request, using the given model attributes for Errors retrieval.
* <p>This works with all View implementations. It will typically be used by View implementations.
* <p>If a ServletContext is specified, the RequestContext will also work with a root
* WebApplicationContext (outside a DispatcherServlet).
* @param request current HTTP request
* @param response current HTTP response
* @param servletContext the servlet context of the web application (can be {@code null}; necessary for
* fallback to root WebApplicationContext)
* @param model the model attributes for the current view (can be {@code null}, using the request attributes
* for Errors retrieval)
* @see org.springframework.web.context.WebApplicationContext
* @see org.springframework.web.servlet.DispatcherServlet
*/
public RequestContext(HttpServletRequest request, @Nullable HttpServletResponse response,
@Nullable ServletContext servletContext, @Nullable Map<String, Object> model) {
this.request = request;
this.response = response;
this.model = model;
// Fetch WebApplicationContext, either from DispatcherServlet or the root context.
// ServletContext needs to be specified to be able to fall back to the root context!
WebApplicationContext wac = (WebApplicationContext) request.getAttribute(WEB_APPLICATION_CONTEXT_ATTRIBUTE);
if (wac == null) {
wac = RequestContextUtils.findWebApplicationContext(request, servletContext);
if (wac == null) {
throw new IllegalStateException("No WebApplicationContext found: not in a DispatcherServlet " +
"request and no ContextLoaderListener registered?");
}
}
this.webApplicationContext = wac;
Locale locale = null;
TimeZone timeZone = null;
// Determine locale to use for this RequestContext.
LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);
if (localeResolver instanceof LocaleContextResolver) {
LocaleContext localeContext = ((LocaleContextResolver) localeResolver).resolveLocaleContext(request);
locale = localeContext.getLocale();
if (localeContext instanceof TimeZoneAwareLocaleContext) {
timeZone = ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
}
}
else if (localeResolver != null) {
// Try LocaleResolver (we're within a DispatcherServlet request).
locale = localeResolver.resolveLocale(request);
}
this.locale = locale;
this.timeZone = timeZone;
// Determine default HTML escape setting from the "defaultHtmlEscape"
// context-param in web.xml, if any.
this.defaultHtmlEscape = WebUtils.getDefaultHtmlEscape(this.webApplicationContext.getServletContext());
// Determine response-encoded HTML escape setting from the "responseEncodedHtmlEscape"
// context-param in web.xml, if any.
this.responseEncodedHtmlEscape =
WebUtils.getResponseEncodedHtmlEscape(this.webApplicationContext.getServletContext());
this.urlPathHelper = new UrlPathHelper();
if (this.webApplicationContext.containsBean(RequestContextUtils.REQUEST_DATA_VALUE_PROCESSOR_BEAN_NAME)) {
this.requestDataValueProcessor = this.webApplicationContext.getBean(
RequestContextUtils.REQUEST_DATA_VALUE_PROCESSOR_BEAN_NAME, RequestDataValueProcessor.class);
}
}
/**
* Create a new RequestContext for the given request, using the given model attributes for Errors retrieval.
* <p>This works with all View implementations. It will typically be used by View implementations.
* <p>If a ServletContext is specified, the RequestContext will also work with a root
* WebApplicationContext (outside a DispatcherServlet).
* @param request current HTTP request
* @param response current HTTP response
* @param servletContext the servlet context of the web application (can be {@code null}; necessary for
* fallback to root WebApplicationContext)
* @param model the model attributes for the current view (can be {@code null}, using the request attributes
* for Errors retrieval)
* @see org.springframework.web.context.WebApplicationContext
* @see org.springframework.web.servlet.DispatcherServlet
*/
public RequestContext(HttpServletRequest request, @Nullable HttpServletResponse response,
@Nullable ServletContext servletContext, @Nullable Map<String, Object> model) {
this.request = request;
this.response = response;
this.model = model;
// Fetch WebApplicationContext, either from DispatcherServlet or the root context.
// ServletContext needs to be specified to be able to fall back to the root context!
WebApplicationContext wac = (WebApplicationContext) request.getAttribute(WEB_APPLICATION_CONTEXT_ATTRIBUTE);
if (wac == null) {
wac = RequestContextUtils.findWebApplicationContext(request, servletContext);
if (wac == null) {
throw new IllegalStateException("No WebApplicationContext found: not in a DispatcherServlet " +
"request and no ContextLoaderListener registered?");
}
}
this.webApplicationContext = wac;
Locale locale = null;
TimeZone timeZone = null;
// Determine locale to use for this RequestContext.
LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);
if (localeResolver instanceof LocaleContextResolver) {
LocaleContext localeContext = ((LocaleContextResolver) localeResolver).resolveLocaleContext(request);
locale = localeContext.getLocale();
if (localeContext instanceof TimeZoneAwareLocaleContext) {
timeZone = ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
}
}
else if (localeResolver != null) {
// Try LocaleResolver (we're within a DispatcherServlet request).
locale = localeResolver.resolveLocale(request);
}
this.locale = locale;
this.timeZone = timeZone;
// Determine default HTML escape setting from the "defaultHtmlEscape"
// context-param in web.xml, if any.
this.defaultHtmlEscape = WebUtils.getDefaultHtmlEscape(this.webApplicationContext.getServletContext());
// Determine response-encoded HTML escape setting from the "responseEncodedHtmlEscape"
// context-param in web.xml, if any.
this.responseEncodedHtmlEscape =
WebUtils.getResponseEncodedHtmlEscape(this.webApplicationContext.getServletContext());
this.urlPathHelper = new UrlPathHelper();
if (this.webApplicationContext.containsBean(RequestContextUtils.REQUEST_DATA_VALUE_PROCESSOR_BEAN_NAME)) {
this.requestDataValueProcessor = this.webApplicationContext.getBean(
RequestContextUtils.REQUEST_DATA_VALUE_PROCESSOR_BEAN_NAME, RequestDataValueProcessor.class);
}
}
/**
* Initialize this context with the given request, using the given model attributes for Errors retrieval.
* <p>Delegates to {@code getFallbackLocale} and {@code getFallbackTheme} for determining the fallback
* locale and theme, respectively, if no LocaleResolver and/or ThemeResolver can be found in the request.
* @param request current HTTP request
* @param servletContext the servlet context of the web application (can be {@code null}; necessary for
* fallback to root WebApplicationContext)
* @param model the model attributes for the current view (can be {@code null}, using the request attributes
* for Errors retrieval)
* @see #getFallbackLocale
* @see #getFallbackTheme
* @see org.springframework.web.servlet.DispatcherServlet#LOCALE_RESOLVER_ATTRIBUTE
* @see org.springframework.web.servlet.DispatcherServlet#THEME_RESOLVER_ATTRIBUTE
*/
protected void initContext(HttpServletRequest request, HttpServletResponse response, ServletContext servletContext,
Map<String, Object> model) {
this.request = request;
this.response = response;
this.model = model;
// Fetch WebApplicationContext, either from DispatcherServlet or the root context.
// ServletContext needs to be specified to be able to fall back to the root context!
this.webApplicationContext = (WebApplicationContext) request.getAttribute(WEB_APPLICATION_CONTEXT_ATTRIBUTE);
if (this.webApplicationContext == null) {
this.webApplicationContext = RequestContextUtils.findWebApplicationContext(request, servletContext);
if (this.webApplicationContext == null) {
throw new IllegalStateException("No WebApplicationContext found: not in a DispatcherServlet " +
"request and no ContextLoaderListener registered?");
}
}
// Determine locale to use for this RequestContext.
LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);
if (localeResolver instanceof LocaleContextResolver) {
LocaleContext localeContext = ((LocaleContextResolver) localeResolver).resolveLocaleContext(request);
this.locale = localeContext.getLocale();
if (localeContext instanceof TimeZoneAwareLocaleContext) {
this.timeZone = ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
}
}
else if (localeResolver != null) {
// Try LocaleResolver (we're within a DispatcherServlet request).
this.locale = localeResolver.resolveLocale(request);
}
// Try JSTL fallbacks if necessary.
if (this.locale == null) {
this.locale = getFallbackLocale();
}
if (this.timeZone == null) {
this.timeZone = getFallbackTimeZone();
}
// Determine default HTML escape setting from the "defaultHtmlEscape"
// context-param in web.xml, if any.
this.defaultHtmlEscape = WebUtils.getDefaultHtmlEscape(this.webApplicationContext.getServletContext());
// Determine response-encoded HTML escape setting from the "responseEncodedHtmlEscape"
// context-param in web.xml, if any.
this.responseEncodedHtmlEscape = WebUtils.getResponseEncodedHtmlEscape(this.webApplicationContext.getServletContext());
this.urlPathHelper = new UrlPathHelper();
if (this.webApplicationContext.containsBean(RequestContextUtils.REQUEST_DATA_VALUE_PROCESSOR_BEAN_NAME)) {
this.requestDataValueProcessor = this.webApplicationContext.getBean(
RequestContextUtils.REQUEST_DATA_VALUE_PROCESSOR_BEAN_NAME, RequestDataValueProcessor.class);
}
}
/**
* Initialize this context with the given request, using the given model attributes for Errors retrieval.
* <p>Delegates to {@code getFallbackLocale} and {@code getFallbackTheme} for determining the fallback
* locale and theme, respectively, if no LocaleResolver and/or ThemeResolver can be found in the request.
* @param request current HTTP request
* @param servletContext the servlet context of the web application (can be {@code null}; necessary for
* fallback to root WebApplicationContext)
* @param model the model attributes for the current view (can be {@code null}, using the request attributes
* for Errors retrieval)
* @see #getFallbackLocale
* @see #getFallbackTheme
* @see org.springframework.web.servlet.DispatcherServlet#LOCALE_RESOLVER_ATTRIBUTE
* @see org.springframework.web.servlet.DispatcherServlet#THEME_RESOLVER_ATTRIBUTE
*/
protected void initContext(HttpServletRequest request, HttpServletResponse response, ServletContext servletContext,
Map<String, Object> model) {
this.request = request;
this.response = response;
this.model = model;
// Fetch WebApplicationContext, either from DispatcherServlet or the root context.
// ServletContext needs to be specified to be able to fall back to the root context!
this.webApplicationContext = (WebApplicationContext) request.getAttribute(WEB_APPLICATION_CONTEXT_ATTRIBUTE);
if (this.webApplicationContext == null) {
this.webApplicationContext = RequestContextUtils.findWebApplicationContext(request, servletContext);
if (this.webApplicationContext == null) {
throw new IllegalStateException("No WebApplicationContext found: not in a DispatcherServlet " +
"request and no ContextLoaderListener registered?");
}
}
// Determine locale to use for this RequestContext.
LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);
if (localeResolver instanceof LocaleContextResolver) {
LocaleContext localeContext = ((LocaleContextResolver) localeResolver).resolveLocaleContext(request);
this.locale = localeContext.getLocale();
if (localeContext instanceof TimeZoneAwareLocaleContext) {
this.timeZone = ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
}
}
else if (localeResolver != null) {
// Try LocaleResolver (we're within a DispatcherServlet request).
this.locale = localeResolver.resolveLocale(request);
}
// Try JSTL fallbacks if necessary.
if (this.locale == null) {
this.locale = getFallbackLocale();
}
if (this.timeZone == null) {
this.timeZone = getFallbackTimeZone();
}
// Determine default HTML escape setting from the "defaultHtmlEscape"
// context-param in web.xml, if any.
this.defaultHtmlEscape = WebUtils.getDefaultHtmlEscape(this.webApplicationContext.getServletContext());
// Determine response-encoded HTML escape setting from the "responseEncodedHtmlEscape"
// context-param in web.xml, if any.
this.responseEncodedHtmlEscape = WebUtils.getResponseEncodedHtmlEscape(this.webApplicationContext.getServletContext());
this.urlPathHelper = new UrlPathHelper();
if (this.webApplicationContext.containsBean(RequestContextUtils.REQUEST_DATA_VALUE_PROCESSOR_BEAN_NAME)) {
this.requestDataValueProcessor = this.webApplicationContext.getBean(
RequestContextUtils.REQUEST_DATA_VALUE_PROCESSOR_BEAN_NAME, RequestDataValueProcessor.class);
}
}