Java Code Examples for org.springframework.web.servlet.LocaleContextResolver

The following examples show how to use org.springframework.web.servlet.LocaleContextResolver. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: spring-analysis-note   Source File: RequestContext.java    License: MIT License 5 votes vote down vote up
/**
 * Change the current locale to the specified locale and time zone context,
 * storing the new locale context through the configured {@link LocaleResolver}.
 * @param locale the new locale
 * @param timeZone the new time zone
 * @see LocaleContextResolver#setLocaleContext
 * @see org.springframework.context.i18n.SimpleTimeZoneAwareLocaleContext
 */
public void changeLocale(Locale locale, TimeZone timeZone) {
	LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(this.request);
	if (!(localeResolver instanceof LocaleContextResolver)) {
		throw new IllegalStateException("Cannot change locale context if no LocaleContextResolver configured");
	}
	((LocaleContextResolver) localeResolver).setLocaleContext(this.request, this.response,
			new SimpleTimeZoneAwareLocaleContext(locale, timeZone));
	this.locale = locale;
	this.timeZone = timeZone;
}
 
Example 2
Source Project: java-technology-stack   Source File: RequestContext.java    License: MIT License 5 votes vote down vote up
/**
 * Change the current locale to the specified locale and time zone context,
 * storing the new locale context through the configured {@link LocaleResolver}.
 * @param locale the new locale
 * @param timeZone the new time zone
 * @see LocaleContextResolver#setLocaleContext
 * @see org.springframework.context.i18n.SimpleTimeZoneAwareLocaleContext
 */
public void changeLocale(Locale locale, TimeZone timeZone) {
	LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(this.request);
	if (!(localeResolver instanceof LocaleContextResolver)) {
		throw new IllegalStateException("Cannot change locale context if no LocaleContextResolver configured");
	}
	((LocaleContextResolver) localeResolver).setLocaleContext(this.request, this.response,
			new SimpleTimeZoneAwareLocaleContext(locale, timeZone));
	this.locale = locale;
	this.timeZone = timeZone;
}
 
Example 3
Source Project: lams   Source File: RequestContext.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Change the current locale to the specified locale and time zone context,
 * storing the new locale context through the configured {@link LocaleResolver}.
 * @param locale the new locale
 * @param timeZone the new time zone
 * @see LocaleContextResolver#setLocaleContext
 * @see org.springframework.context.i18n.SimpleTimeZoneAwareLocaleContext
 */
public void changeLocale(Locale locale, TimeZone timeZone) {
	LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(this.request);
	if (!(localeResolver instanceof LocaleContextResolver)) {
		throw new IllegalStateException("Cannot change locale context if no LocaleContextResolver configured");
	}
	((LocaleContextResolver) localeResolver).setLocaleContext(this.request, this.response,
			new SimpleTimeZoneAwareLocaleContext(locale, timeZone));
	this.locale = locale;
	this.timeZone = timeZone;
}
 
Example 4
Source Project: spring4-understanding   Source File: RequestContext.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Change the current locale to the specified locale and time zone context,
 * storing the new locale context through the configured {@link LocaleResolver}.
 * @param locale the new locale
 * @param timeZone the new time zone
 * @see LocaleContextResolver#setLocaleContext
 * @see org.springframework.context.i18n.SimpleTimeZoneAwareLocaleContext
 */
public void changeLocale(Locale locale, TimeZone timeZone) {
	LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(this.request);
	if (!(localeResolver instanceof LocaleContextResolver)) {
		throw new IllegalStateException("Cannot change locale context if no LocaleContextResolver configured");
	}
	((LocaleContextResolver) localeResolver).setLocaleContext(this.request, this.response,
			new SimpleTimeZoneAwareLocaleContext(locale, timeZone));
	this.locale = locale;
	this.timeZone = timeZone;
}
 
Example 5
Source Project: spring-analysis-note   Source File: RequestContext.java    License: MIT License 4 votes vote down vote up
/**
 * 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);
	}
}
 
Example 6
Source Project: java-technology-stack   Source File: RequestContext.java    License: MIT License 4 votes vote down vote up
/**
 * 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);
	}
}
 
Example 7
Source Project: lams   Source File: RequestContext.java    License: GNU General Public License v2.0 4 votes vote down vote up
/**
 * 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);
	}
}
 
Example 8
Source Project: spring4-understanding   Source File: RequestContext.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * 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);
	}
}
 
Example 9
Source Project: spring-analysis-note   Source File: RequestContextUtils.java    License: MIT License 3 votes vote down vote up
/**
 * Retrieve the current time zone from the given request, using the
 * TimeZoneAwareLocaleResolver bound to the request by the DispatcherServlet
 * (if available), falling back to the system's default time zone.
 * <p>Note: This method returns {@code null} if no specific time zone can be
 * resolved for the given request. This is in contrast to {@link #getLocale}
 * where there is always the request's accept-header locale to fall back to.
 * <p>Consider using {@link org.springframework.context.i18n.LocaleContextHolder#getTimeZone()}
 * which will normally be populated with the same TimeZone: That method only
 * differs in terms of its fallback to the system time zone if the LocaleResolver
 * hasn't provided a specific time zone (instead of this method's {@code null}).
 * @param request current HTTP request
 * @return the current time zone for the given request, either from the
 * TimeZoneAwareLocaleResolver or {@code null} if none associated
 * @see #getLocaleResolver
 * @see org.springframework.context.i18n.LocaleContextHolder#getTimeZone()
 */
@Nullable
public static TimeZone getTimeZone(HttpServletRequest request) {
	LocaleResolver localeResolver = getLocaleResolver(request);
	if (localeResolver instanceof LocaleContextResolver) {
		LocaleContext localeContext = ((LocaleContextResolver) localeResolver).resolveLocaleContext(request);
		if (localeContext instanceof TimeZoneAwareLocaleContext) {
			return ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
		}
	}
	return null;
}
 
Example 10
Source Project: java-technology-stack   Source File: RequestContextUtils.java    License: MIT License 3 votes vote down vote up
/**
 * Retrieve the current time zone from the given request, using the
 * TimeZoneAwareLocaleResolver bound to the request by the DispatcherServlet
 * (if available), falling back to the system's default time zone.
 * <p>Note: This method returns {@code null} if no specific time zone can be
 * resolved for the given request. This is in contrast to {@link #getLocale}
 * where there is always the request's accept-header locale to fall back to.
 * <p>Consider using {@link org.springframework.context.i18n.LocaleContextHolder#getTimeZone()}
 * which will normally be populated with the same TimeZone: That method only
 * differs in terms of its fallback to the system time zone if the LocaleResolver
 * hasn't provided a specific time zone (instead of this method's {@code null}).
 * @param request current HTTP request
 * @return the current time zone for the given request, either from the
 * TimeZoneAwareLocaleResolver or {@code null} if none associated
 * @see #getLocaleResolver
 * @see org.springframework.context.i18n.LocaleContextHolder#getTimeZone()
 */
@Nullable
public static TimeZone getTimeZone(HttpServletRequest request) {
	LocaleResolver localeResolver = getLocaleResolver(request);
	if (localeResolver instanceof LocaleContextResolver) {
		LocaleContext localeContext = ((LocaleContextResolver) localeResolver).resolveLocaleContext(request);
		if (localeContext instanceof TimeZoneAwareLocaleContext) {
			return ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
		}
	}
	return null;
}
 
Example 11
Source Project: lams   Source File: RequestContextUtils.java    License: GNU General Public License v2.0 3 votes vote down vote up
/**
 * Retrieve the current time zone from the given request, using the
 * TimeZoneAwareLocaleResolver bound to the request by the DispatcherServlet
 * (if available), falling back to the system's default time zone.
 * <p>Note: This method returns {@code null} if no specific time zone can be
 * resolved for the given request. This is in contrast to {@link #getLocale}
 * where there is always the request's accept-header locale to fall back to.
 * <p>Consider using {@link org.springframework.context.i18n.LocaleContextHolder#getTimeZone()}
 * which will normally be populated with the same TimeZone: That method only
 * differs in terms of its fallback to the system time zone if the LocaleResolver
 * hasn't provided a specific time zone (instead of this method's {@code null}).
 * @param request current HTTP request
 * @return the current time zone for the given request, either from the
 * TimeZoneAwareLocaleResolver or {@code null} if none associated
 * @see #getLocaleResolver
 * @see org.springframework.context.i18n.LocaleContextHolder#getTimeZone()
 */
public static TimeZone getTimeZone(HttpServletRequest request) {
	LocaleResolver localeResolver = getLocaleResolver(request);
	if (localeResolver instanceof LocaleContextResolver) {
		LocaleContext localeContext = ((LocaleContextResolver) localeResolver).resolveLocaleContext(request);
		if (localeContext instanceof TimeZoneAwareLocaleContext) {
			return ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
		}
	}
	return null;
}
 
Example 12
Source Project: spring4-understanding   Source File: RequestContextUtils.java    License: Apache License 2.0 3 votes vote down vote up
/**
 * Retrieve the current time zone from the given request, using the
 * TimeZoneAwareLocaleResolver bound to the request by the DispatcherServlet
 * (if available), falling back to the system's default time zone.
 * <p>Note: This method returns {@code null} if no specific time zone can be
 * resolved for the given request. This is in contrast to {@link #getLocale}
 * where there is always the request's accept-header locale to fall back to.
 * <p>Consider using {@link org.springframework.context.i18n.LocaleContextHolder#getTimeZone()}
 * which will normally be populated with the same TimeZone: That method only
 * differs in terms of its fallback to the system time zone if the LocaleResolver
 * hasn't provided provided a specific time zone (instead of this method's {@code null}).
 * @param request current HTTP request
 * @return the current time zone for the given request, either from the
 * TimeZoneAwareLocaleResolver or {@code null} if none associated
 * @see #getLocaleResolver
 * @see org.springframework.context.i18n.LocaleContextHolder#getTimeZone()
 */
public static TimeZone getTimeZone(HttpServletRequest request) {
	LocaleResolver localeResolver = getLocaleResolver(request);
	if (localeResolver instanceof LocaleContextResolver) {
		LocaleContext localeContext = ((LocaleContextResolver) localeResolver).resolveLocaleContext(request);
		if (localeContext instanceof TimeZoneAwareLocaleContext) {
			return ((TimeZoneAwareLocaleContext) localeContext).getTimeZone();
		}
	}
	return null;
}