Java LocaleResolver类代码示例

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws ServletException {
	if (request.getUserPrincipal() != null) {
		String codiIdioma = request.getParameter(this.paramName);
		
		if (codiIdioma != null) {
			personaService.savePrefIdioma(codiIdioma);
			LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);
			if (localeResolver == null)
				throw new IllegalStateException  ("No LocaleResolver found: not in a DispatcherServlet request?");
			LocaleEditor localeEditor = new LocaleEditor();
			localeEditor.setAsText(codiIdioma);
			localeResolver.setLocale(request, response, (Locale)localeEditor.getValue());
		}
	}
	return true;
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
@RequestMapping(value = "/api/v1/language", method = RequestMethod.POST)
public String changeLanguage(@ModelAttribute("lang") String language,
                             HttpServletRequest request, HttpServletResponse response) {
    final LocaleResolver localeResolver = getLocaleResolver(request);
    final Locale locale = StringUtils.parseLocaleString(language);

    if (locale != null) {
        localeResolver.setLocale(request, response, locale);

        return locale.toLanguageTag();
    }

    LOG.error("Could not parse language={}", language);

    return localeResolver.resolveLocale(request).toLanguageTag();
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
protected MockPageContext createPageContext() {
	MockServletContext sc = new MockServletContext();
	SimpleWebApplicationContext wac = new SimpleWebApplicationContext();
	wac.setServletContext(sc);
	wac.setNamespace("test");
	wac.refresh();

	MockHttpServletRequest request = new MockHttpServletRequest(sc);
	MockHttpServletResponse response = new MockHttpServletResponse();
	if (inDispatcherServlet()) {
		request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
		LocaleResolver lr = new AcceptHeaderLocaleResolver();
		request.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE, lr);
		ThemeResolver tr = new FixedThemeResolver();
		request.setAttribute(DispatcherServlet.THEME_RESOLVER_ATTRIBUTE, tr);
		request.setAttribute(DispatcherServlet.THEME_SOURCE_ATTRIBUTE, wac);
	}
	else {
		sc.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
	}

	return new MockPageContext(sc, request, response);
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

    LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);
    if (localeResolver == null) {
        return true;
    }

    try {
        Cookie[] cookies = request.getCookies();
        if (cookies != null){
            for (Cookie cookie : cookies){
                if (Objects.equal("lang", cookie.getName())){
                    LocaleContextHolder.setLocale(new Locale(cookie.getValue()));
                }
            }
        }
    } catch (Exception e) {
        Logs.error("occur errors when resolve locale: {}", Throwables.getStackTraceAsString(e));
    }

    return true;
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws ServletException {
    String newLocale = request.getParameter(getParamName());
    if(newLocale != null) {
        LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);
        if(localeResolver == null) {
            throw new IllegalStateException("No LocaleResolver found: not in a DispatcherServlet request?");
        }

        Locale locale = StringUtils.parseLocaleString(newLocale);
        localeResolver.setLocale(request, response, locale);
        localeHolder.setLocale(locale);
    }

    return true;
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
@Override
public boolean preHandle(HttpServletRequest request,
		HttpServletResponse response, Object handler)
		throws ServletException {
	LocaleResolver localeResolver = RequestContextUtils
			.getLocaleResolver(request);
	if (localeResolver == null) {
		throw new IllegalStateException(
				"No LocaleResolver found: not in a DispatcherServlet request?");
	}
//	CmsSite site = CmsUtils.getSite(request);
	CmsSite site=CmsThreadVariable.getSite();
	String newLocale = site.getLocaleAdmin();
	LocaleEditor localeEditor = new LocaleEditor();
	localeEditor.setAsText(newLocale);
	localeResolver.setLocale(request, response, (Locale) localeEditor
			.getValue());
	// Proceed in any case.
	return true;
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
@Override
public boolean preHandle(HttpServletRequest request,
		HttpServletResponse response, Object handler)
		throws ServletException {
	LocaleResolver localeResolver = RequestContextUtils
			.getLocaleResolver(request);
	if (localeResolver == null) {
		throw new IllegalStateException(
				"No LocaleResolver found: not in a DispatcherServlet request?");
	}
	CmsSite site = CmsUtils.getSite(request);
	String newLocale = site.getLocaleFront();
	LocaleEditor localeEditor = new LocaleEditor();
	localeEditor.setAsText(newLocale);
	localeResolver.setLocale(request, response, (Locale) localeEditor
			.getValue());
	// Proceed in any case.
	return true;
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
/**
 * 获得国际化信息
 * 
 * @param request
 *            HttpServletRequest
 * @param code
 *            国际化代码
 * @param args
 *            替换参数
 * @return
 * @see org.springframework.context.MessageSource#getMessage(String,
 *      Object[], Locale)
 */
public static String getMessage(HttpServletRequest request, String code,
		Object... args) {
	WebApplicationContext messageSource = RequestContextUtils.getWebApplicationContext(request);
	if (messageSource == null) {
		throw new IllegalStateException("WebApplicationContext not found!");
	}
	LocaleResolver localeResolver = RequestContextUtils
			.getLocaleResolver(request);
	Locale locale;
	if (localeResolver != null) {
		locale = localeResolver.resolveLocale(request);
	} else {
		locale = request.getLocale();
	}
	return messageSource.getMessage(code, args, locale);
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
		throws Exception {
	LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);

	// Check if it's our case
	if (localeResolver == null) {
		throw new IllegalStateException("No LocaleResolver found: not in a DispatcherServlet request?");
	}
	if (!(localeResolver instanceof CookieLocaleResolver)) {
		return true;
	}

	// Check if locale not in cookie.
	// If so, then force it to store in cookie
	CookieLocaleResolver cookieLocaleResolver = (CookieLocaleResolver) localeResolver;
	Cookie cookie = WebUtils.getCookie(request, cookieLocaleResolver.getCookieName());
	if (cookie == null) {
		cookieLocaleResolver.setLocale(request, response, localeResolver.resolveLocale(request));
	}

	return true;
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
		throws Exception {
	LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);

	// Check if it's our case
	if (localeResolver == null) {
		throw new IllegalStateException("No LocaleResolver found: not in a DispatcherServlet request?");
	}
	if (!(localeResolver instanceof LocaleResolverUserBasedImpl)) {
		return true;
	}

	// Check if locale not in cookie.
	// If so, then force it to store in cookie
	LocaleResolverUserBasedImpl cookieLocaleResolver = (LocaleResolverUserBasedImpl) localeResolver;
	Locale localeFromCookie = cookieLocaleResolver.resolveLocaleFromCookie(request);
	Locale localeFromUser = cookieLocaleResolver.resolveLocale(request);
	if (localeFromUser != null && !localeFromUser.equals(localeFromCookie)) {
		cookieLocaleResolver.setLocale(request, response, localeFromUser);
	}

	return true;
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
/**
 * Get locale for curent request
 * 
 * @return
 */
public static Locale getLocale() {
	// Plan A: Try to get it from locale context holder
	Locale locale = LocaleContextHolder.getLocale();
	if (locale != null) {
		return locale;
	}

	// Plan B: Try to get it from request
	HttpServletRequest request = get();
	LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);
	if (localeResolver == null) {
		log.warn("Cannot get locale resolver. Will fallback to: " + defaultLocale);
		return defaultLocale;
	}
	locale = localeResolver.resolveLocale(request);
	if (locale != null) {
		return locale;
	}

	// fallback
	log.warn("Cannot resolve locale. Will fallback to: " + defaultLocale);
	return defaultLocale;
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
protected MockPageContext createPageContext() {
	MockServletContext sc = new MockServletContext();
	sc.addInitParameter("springJspExpressionSupport", "true");
	SimpleWebApplicationContext wac = new SimpleWebApplicationContext();
	wac.setServletContext(sc);
	wac.setNamespace("test");
	wac.refresh();

	MockHttpServletRequest request = new MockHttpServletRequest(sc);
	MockHttpServletResponse response = new MockHttpServletResponse();
	if (inDispatcherServlet()) {
		request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
		LocaleResolver lr = new AcceptHeaderLocaleResolver();
		request.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE, lr);
		ThemeResolver tr = new FixedThemeResolver();
		request.setAttribute(DispatcherServlet.THEME_RESOLVER_ATTRIBUTE, tr);
		request.setAttribute(DispatcherServlet.THEME_SOURCE_ATTRIBUTE, wac);
	}
	else {
		sc.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
	}

	return new MockPageContext(sc, request, response);
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
private void internalTest(LocaleResolver localeResolver, boolean shouldSet) {
	// create mocks
	MockServletContext context = new MockServletContext();
	MockHttpServletRequest request = new MockHttpServletRequest(context);
	request.addPreferredLocale(Locale.UK);
	MockHttpServletResponse response = new MockHttpServletResponse();
	// check original locale
	Locale locale = localeResolver.resolveLocale(request);
	assertEquals(locale, Locale.UK);
	// set new locale
	try {
		localeResolver.setLocale(request, response, Locale.GERMANY);
		if (!shouldSet)
			fail("should not be able to set Locale");
		// check new locale
		locale = localeResolver.resolveLocale(request);
		assertEquals(locale, Locale.GERMANY);
	}
	catch (UnsupportedOperationException ex) {
		if (shouldSet)
			fail("should be able to set Locale");
	}
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
@Override
public void doTag() throws JspException, IOException {
	PageContext pageContext = (PageContext) getJspContext();
	ServletContext servletContext = pageContext.getServletContext();
	WebApplicationContext ac = WebApplicationContextUtils.getWebApplicationContext(servletContext);

	final List<String> languages = (List) ac.getBean("supportedLanguages");
	this.messageSource = (MessageSource) ac.getBean("messageSource");
	final LocaleResolver localeResolver = (LocaleResolver) ac.getBean("localeResolver");
	final Locale currentLocale = localeResolver.resolveLocale((HttpServletRequest) pageContext.getRequest());
	final JspWriter out = pageContext.getOut();

	final String label = getMessage(labelCode, currentLocale);

	out.println("<div data-role=\"l10nBox\" data-l10n-field=\"" + name + "\">");
	out.println("<label>" + label + ": </label>");
	this.writeHiddenInputCode(out);
	this.writeLanguageOptions(out, languages);
	this.writeLanguageInputs(out, languages);
	out.println("</div>");
	super.doTag();
}
 

import org.springframework.web.servlet.LocaleResolver; //导入依赖的package包/类
protected MockPageContext createPageContext() {
    MockServletContext sc = new MockServletContext();
    StaticWebApplicationContext wac = new StaticWebApplicationContext();
    wac.setServletContext(sc);
    wac.setNamespace("test");
    wac.registerSingleton("validator",
            org.springframework.validation.beanvalidation.LocalValidatorFactoryBean.class);
    wac.refresh();

    MockHttpServletRequest request = new MockHttpServletRequest(sc);
    MockHttpServletResponse response = new MockHttpServletResponse();
    request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
    LocaleResolver lr = new AcceptHeaderLocaleResolver();
    request.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE, lr);
    ThemeResolver tr = new FixedThemeResolver();
    request.setAttribute(DispatcherServlet.THEME_RESOLVER_ATTRIBUTE, tr);
    request.setAttribute(DispatcherServlet.THEME_SOURCE_ATTRIBUTE, wac);

    return new MockPageContext(sc, request, response);
}