@Test
public void testInternalResourceViewResolverWithJstl() throws Exception {
	Locale locale = !Locale.GERMAN.equals(Locale.getDefault()) ? Locale.GERMAN : Locale.FRENCH;

	MockServletContext sc = new MockServletContext();
	StaticWebApplicationContext wac = new StaticWebApplicationContext();
	wac.setServletContext(sc);
	wac.addMessage("code1", locale, "messageX");
	wac.refresh();
	InternalResourceViewResolver vr = new InternalResourceViewResolver();
	vr.setViewClass(JstlView.class);
	vr.setApplicationContext(wac);

	View view = vr.resolveViewName("example1", Locale.getDefault());
	assertEquals("Correct view class", JstlView.class, view.getClass());
	assertEquals("Correct URL", "example1", ((JstlView) view).getUrl());

	view = vr.resolveViewName("example2", Locale.getDefault());
	assertEquals("Correct view class", JstlView.class, view.getClass());
	assertEquals("Correct URL", "example2", ((JstlView) view).getUrl());

	MockHttpServletRequest request = new MockHttpServletRequest(sc);
	HttpServletResponse response = new MockHttpServletResponse();
	request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
	request.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE, new FixedLocaleResolver(locale));
	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") == null);

	assertEquals(locale, Config.get(request, Config.FMT_LOCALE));
	LocalizationContext lc = (LocalizationContext) Config.get(request, Config.FMT_LOCALIZATION_CONTEXT);
	assertEquals("messageX", lc.getResourceBundle().getString("code1"));
}
 

@Test
public void testInternalResourceViewResolverWithJstlAndContextParam() throws Exception {
	Locale locale = !Locale.GERMAN.equals(Locale.getDefault()) ? Locale.GERMAN : Locale.FRENCH;

	MockServletContext sc = new MockServletContext();
	sc.addInitParameter(Config.FMT_LOCALIZATION_CONTEXT, "org/springframework/web/context/WEB-INF/context-messages");
	StaticWebApplicationContext wac = new StaticWebApplicationContext();
	wac.setServletContext(sc);
	wac.addMessage("code1", locale, "messageX");
	wac.refresh();
	InternalResourceViewResolver vr = new InternalResourceViewResolver();
	vr.setViewClass(JstlView.class);
	vr.setApplicationContext(wac);

	View view = vr.resolveViewName("example1", Locale.getDefault());
	assertEquals("Correct view class", JstlView.class, view.getClass());
	assertEquals("Correct URL", "example1", ((JstlView) view).getUrl());

	view = vr.resolveViewName("example2", Locale.getDefault());
	assertEquals("Correct view class", JstlView.class, view.getClass());
	assertEquals("Correct URL", "example2", ((JstlView) view).getUrl());

	MockHttpServletRequest request = new MockHttpServletRequest(sc);
	HttpServletResponse response = new MockHttpServletResponse();
	request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
	request.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE, new FixedLocaleResolver(locale));
	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") == null);

	assertEquals(locale, Config.get(request, Config.FMT_LOCALE));
	LocalizationContext lc = (LocalizationContext) Config.get(request, Config.FMT_LOCALIZATION_CONTEXT);
	assertEquals("message1", lc.getResourceBundle().getString("code1"));
	assertEquals("message2", lc.getResourceBundle().getString("code2"));
}
 

@Test
public void localeFromResolver() throws Exception {
	Locale locale = Locale.ENGLISH;
	servletRequest.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE,
			new FixedLocaleResolver(locale));

	MethodParameter localeParameter = new MethodParameter(method, 4);
	assertTrue("Locale not supported", resolver.supportsParameter(localeParameter));

	Object result = resolver.resolveArgument(localeParameter, null, webRequest, null);
	assertSame("Invalid result", locale, result);
}
 

@Test
public void timeZoneFromResolver() throws Exception {
	TimeZone timeZone = TimeZone.getTimeZone("America/Los_Angeles");
	servletRequest.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE,
			new FixedLocaleResolver(Locale.US, timeZone));

	MethodParameter timeZoneParameter = new MethodParameter(method, 8);
	assertTrue("TimeZone not supported", resolver.supportsParameter(timeZoneParameter));

	Object result = resolver.resolveArgument(timeZoneParameter, null, webRequest, null);
	assertEquals("Invalid result", timeZone, result);
}
 

@Test
public void zoneIdFromResolver() throws Exception {
	TimeZone timeZone = TimeZone.getTimeZone("America/New_York");
	servletRequest.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE,
			new FixedLocaleResolver(Locale.US, timeZone));
	MethodParameter zoneIdParameter = new MethodParameter(method, 9);

	assertTrue("ZoneId not supported", resolver.supportsParameter(zoneIdParameter));

	Object result = resolver.resolveArgument(zoneIdParameter, null, webRequest, null);
	assertEquals("Invalid result", timeZone.toZoneId(), result);
}
 

@Test
public void testInternalResourceViewResolverWithJstl() throws Exception {
	Locale locale = !Locale.GERMAN.equals(Locale.getDefault()) ? Locale.GERMAN : Locale.FRENCH;

	MockServletContext sc = new MockServletContext();
	StaticWebApplicationContext wac = new StaticWebApplicationContext();
	wac.setServletContext(sc);
	wac.addMessage("code1", locale, "messageX");
	wac.refresh();
	InternalResourceViewResolver vr = new InternalResourceViewResolver();
	vr.setViewClass(JstlView.class);
	vr.setApplicationContext(wac);

	View view = vr.resolveViewName("example1", Locale.getDefault());
	assertEquals("Correct view class", JstlView.class, view.getClass());
	assertEquals("Correct URL", "example1", ((JstlView) view).getUrl());

	view = vr.resolveViewName("example2", Locale.getDefault());
	assertEquals("Correct view class", JstlView.class, view.getClass());
	assertEquals("Correct URL", "example2", ((JstlView) view).getUrl());

	MockHttpServletRequest request = new MockHttpServletRequest(sc);
	HttpServletResponse response = new MockHttpServletResponse();
	request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
	request.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE, new FixedLocaleResolver(locale));
	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") == null);

	assertEquals(locale, Config.get(request, Config.FMT_LOCALE));
	LocalizationContext lc = (LocalizationContext) Config.get(request, Config.FMT_LOCALIZATION_CONTEXT);
	assertEquals("messageX", lc.getResourceBundle().getString("code1"));
}
 

@Test
public void testInternalResourceViewResolverWithJstlAndContextParam() throws Exception {
	Locale locale = !Locale.GERMAN.equals(Locale.getDefault()) ? Locale.GERMAN : Locale.FRENCH;

	MockServletContext sc = new MockServletContext();
	sc.addInitParameter(Config.FMT_LOCALIZATION_CONTEXT, "org/springframework/web/context/WEB-INF/context-messages");
	StaticWebApplicationContext wac = new StaticWebApplicationContext();
	wac.setServletContext(sc);
	wac.addMessage("code1", locale, "messageX");
	wac.refresh();
	InternalResourceViewResolver vr = new InternalResourceViewResolver();
	vr.setViewClass(JstlView.class);
	vr.setApplicationContext(wac);

	View view = vr.resolveViewName("example1", Locale.getDefault());
	assertEquals("Correct view class", JstlView.class, view.getClass());
	assertEquals("Correct URL", "example1", ((JstlView) view).getUrl());

	view = vr.resolveViewName("example2", Locale.getDefault());
	assertEquals("Correct view class", JstlView.class, view.getClass());
	assertEquals("Correct URL", "example2", ((JstlView) view).getUrl());

	MockHttpServletRequest request = new MockHttpServletRequest(sc);
	HttpServletResponse response = new MockHttpServletResponse();
	request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
	request.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE, new FixedLocaleResolver(locale));
	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") == null);

	assertEquals(locale, Config.get(request, Config.FMT_LOCALE));
	LocalizationContext lc = (LocalizationContext) Config.get(request, Config.FMT_LOCALIZATION_CONTEXT);
	assertEquals("message1", lc.getResourceBundle().getString("code1"));
	assertEquals("message2", lc.getResourceBundle().getString("code2"));
}
 

@Test
public void localeFromResolver() throws Exception {
	Locale locale = Locale.ENGLISH;
	servletRequest.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE,
			new FixedLocaleResolver(locale));

	MethodParameter localeParameter = new MethodParameter(method, 4);
	assertTrue("Locale not supported", resolver.supportsParameter(localeParameter));

	Object result = resolver.resolveArgument(localeParameter, null, webRequest, null);
	assertSame("Invalid result", locale, result);
}
 

@Test
public void timeZoneFromResolver() throws Exception {
	TimeZone timeZone = TimeZone.getTimeZone("America/Los_Angeles");
	servletRequest.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE,
			new FixedLocaleResolver(Locale.US, timeZone));

	MethodParameter timeZoneParameter = new MethodParameter(method, 8);
	assertTrue("TimeZone not supported", resolver.supportsParameter(timeZoneParameter));

	Object result = resolver.resolveArgument(timeZoneParameter, null, webRequest, null);
	assertEquals("Invalid result", timeZone, result);
}
 

@Test
public void zoneIdFromResolver() throws Exception {
	TimeZone timeZone = TimeZone.getTimeZone("America/New_York");
	servletRequest.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE,
			new FixedLocaleResolver(Locale.US, timeZone));
	MethodParameter zoneIdParameter = new MethodParameter(method, 9);

	assertTrue("ZoneId not supported", resolver.supportsParameter(zoneIdParameter));

	Object result = resolver.resolveArgument(zoneIdParameter, null, webRequest, null);
	assertEquals("Invalid result", timeZone.toZoneId(), result);
}
 

@Test
public void testInternalResourceViewResolverWithJstl() throws Exception {
	Locale locale = !Locale.GERMAN.equals(Locale.getDefault()) ? Locale.GERMAN : Locale.FRENCH;

	MockServletContext sc = new MockServletContext();
	StaticWebApplicationContext wac = new StaticWebApplicationContext();
	wac.setServletContext(sc);
	wac.addMessage("code1", locale, "messageX");
	wac.refresh();
	InternalResourceViewResolver vr = new InternalResourceViewResolver();
	vr.setViewClass(JstlView.class);
	vr.setApplicationContext(wac);

	View view = vr.resolveViewName("example1", Locale.getDefault());
	assertEquals("Correct view class", JstlView.class, view.getClass());
	assertEquals("Correct URL", "example1", ((JstlView) view).getUrl());

	view = vr.resolveViewName("example2", Locale.getDefault());
	assertEquals("Correct view class", JstlView.class, view.getClass());
	assertEquals("Correct URL", "example2", ((JstlView) view).getUrl());

	MockHttpServletRequest request = new MockHttpServletRequest(sc);
	HttpServletResponse response = new MockHttpServletResponse();
	request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
	request.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE, new FixedLocaleResolver(locale));
	Map 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") == null);

	assertEquals(locale, Config.get(request, Config.FMT_LOCALE));
	LocalizationContext lc = (LocalizationContext) Config.get(request, Config.FMT_LOCALIZATION_CONTEXT);
	assertEquals("messageX", lc.getResourceBundle().getString("code1"));
}
 

@Test
public void testInternalResourceViewResolverWithJstlAndContextParam() throws Exception {
	Locale locale = !Locale.GERMAN.equals(Locale.getDefault()) ? Locale.GERMAN : Locale.FRENCH;

	MockServletContext sc = new MockServletContext();
	sc.addInitParameter(Config.FMT_LOCALIZATION_CONTEXT, "org/springframework/web/context/WEB-INF/context-messages");
	StaticWebApplicationContext wac = new StaticWebApplicationContext();
	wac.setServletContext(sc);
	wac.addMessage("code1", locale, "messageX");
	wac.refresh();
	InternalResourceViewResolver vr = new InternalResourceViewResolver();
	vr.setViewClass(JstlView.class);
	vr.setApplicationContext(wac);

	View view = vr.resolveViewName("example1", Locale.getDefault());
	assertEquals("Correct view class", JstlView.class, view.getClass());
	assertEquals("Correct URL", "example1", ((JstlView) view).getUrl());

	view = vr.resolveViewName("example2", Locale.getDefault());
	assertEquals("Correct view class", JstlView.class, view.getClass());
	assertEquals("Correct URL", "example2", ((JstlView) view).getUrl());

	MockHttpServletRequest request = new MockHttpServletRequest(sc);
	HttpServletResponse response = new MockHttpServletResponse();
	request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
	request.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE, new FixedLocaleResolver(locale));
	Map 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") == null);

	assertEquals(locale, Config.get(request, Config.FMT_LOCALE));
	LocalizationContext lc = (LocalizationContext) Config.get(request, Config.FMT_LOCALIZATION_CONTEXT);
	assertEquals("message1", lc.getResourceBundle().getString("code1"));
	assertEquals("message2", lc.getResourceBundle().getString("code2"));
}
 

@Test
public void localeFromResolver() throws Exception {
	Locale locale = Locale.ENGLISH;
	servletRequest.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE,
			new FixedLocaleResolver(locale));
	MethodParameter localeParameter = new MethodParameter(method, 4);

	assertTrue("Locale not supported", resolver.supportsParameter(localeParameter));

	Object result = resolver.resolveArgument(localeParameter, null, webRequest, null);
	assertSame("Invalid result", locale, result);
}
 

@Test
public void timeZoneFromResolver() throws Exception {
	TimeZone timeZone = TimeZone.getTimeZone("America/Los_Angeles");
	servletRequest.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE,
			new FixedLocaleResolver(Locale.US, timeZone));
	MethodParameter timeZoneParameter = new MethodParameter(method, 8);

	assertTrue("TimeZone not supported", resolver.supportsParameter(timeZoneParameter));

	Object result = resolver.resolveArgument(timeZoneParameter, null, webRequest, null);
	assertEquals("Invalid result", timeZone, result);
}
 

@Test
public void zoneIdFromResolver() throws Exception {
	TimeZone timeZone = TimeZone.getTimeZone("America/New_York");
	servletRequest.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE,
			new FixedLocaleResolver(Locale.US, timeZone));
	MethodParameter zoneIdParameter = new MethodParameter(method, 9);

	assertTrue("ZoneId not supported", resolver.supportsParameter(zoneIdParameter));

	Object result = resolver.resolveArgument(zoneIdParameter, null, webRequest, null);
	assertEquals("Invalid result", timeZone.toZoneId(), result);
}
 

@Bean
public FixedLocaleResolver fixedLocaleResolver() {
    FixedLocaleResolver resolver = new FixedLocaleResolver();
    resolver.setDefaultLocale(Locale.CHINA);
    return resolver;
}