org.springframework.web.bind.support.ConfigurableWebBindingInitializer Java Examples

@Test
@SuppressWarnings("rawtypes")
public void resolveOptionalParamList() throws Exception {
	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultConversionService());
	WebDataBinderFactory binderFactory = new DefaultDataBinderFactory(initializer);

	MethodParameter param = this.testMethod.annotPresent(RequestParam.class).arg(Optional.class, List.class);
	Object result = resolver.resolveArgument(param, null, webRequest, binderFactory);
	assertEquals(Optional.empty(), result);

	request.addParameter("name", "123", "456");
	result = resolver.resolveArgument(param, null, webRequest, binderFactory);
	assertEquals(Optional.class, result.getClass());
	assertEquals(Arrays.asList("123", "456"), ((Optional) result).get());
}
 

@Test
public void resolveOptional() {
	MethodParameter param = this.testMethod.annot(requestAttribute().name("foo")).arg(Optional.class, Foo.class);
	Mono<Object> mono = this.resolver.resolveArgument(param, new BindingContext(), this.exchange);

	assertNotNull(mono.block());
	assertEquals(Optional.class, mono.block().getClass());
	assertFalse(((Optional<?>) mono.block()).isPresent());

	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultFormattingConversionService());
	BindingContext bindingContext = new BindingContext(initializer);

	Foo foo = new Foo();
	this.exchange.getAttributes().put("foo", foo);
	mono = this.resolver.resolveArgument(param, bindingContext, this.exchange);

	assertNotNull(mono.block());
	assertEquals(Optional.class, mono.block().getClass());
	Optional<?> optional = (Optional<?>) mono.block();
	assertTrue(optional.isPresent());
	assertSame(foo, optional.get());
}
 

@Test
public void requestMappingHandlerAdapter() throws Exception {
	delegatingConfig.setConfigurers(Collections.singletonList(webFluxConfigurer));
	ReactiveAdapterRegistry reactiveAdapterRegistry = delegatingConfig.webFluxAdapterRegistry();
	ServerCodecConfigurer serverCodecConfigurer = delegatingConfig.serverCodecConfigurer();
	FormattingConversionService formattingConversionService = delegatingConfig.webFluxConversionService();
	Validator validator = delegatingConfig.webFluxValidator();

	ConfigurableWebBindingInitializer initializer = (ConfigurableWebBindingInitializer)
			this.delegatingConfig.requestMappingHandlerAdapter(reactiveAdapterRegistry, serverCodecConfigurer,
					formattingConversionService, validator).getWebBindingInitializer();

	verify(webFluxConfigurer).configureHttpMessageCodecs(codecsConfigurer.capture());
	verify(webFluxConfigurer).getValidator();
	verify(webFluxConfigurer).getMessageCodesResolver();
	verify(webFluxConfigurer).addFormatters(formatterRegistry.capture());
	verify(webFluxConfigurer).configureArgumentResolvers(any());

	assertNotNull(initializer);
	assertTrue(initializer.getValidator() instanceof LocalValidatorFactoryBean);
	assertSame(formatterRegistry.getValue(), initializer.getConversionService());
	assertEquals(13, codecsConfigurer.getValue().getReaders().size());
}
 

@SuppressWarnings("unchecked")
@Test
public void resolveOptional() {
	MethodParameter param = initMethodParameter(3);
	Optional<Object> actual = (Optional<Object>) this.resolver
			.resolveArgument(param, new BindingContext(), this.exchange).block();

	assertNotNull(actual);
	assertFalse(actual.isPresent());

	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultFormattingConversionService());
	BindingContext bindingContext = new BindingContext(initializer);

	Foo foo = new Foo();
	given(this.session.getAttribute("foo")).willReturn(foo);
	actual = (Optional<Object>) this.resolver.resolveArgument(param, bindingContext, this.exchange).block();

	assertNotNull(actual);
	assertTrue(actual.isPresent());
	assertSame(foo, actual.get());
}
 

@Test
public void parameterCsvAsStringArray() throws Exception {
	initServlet(wac -> {
		RootBeanDefinition csDef = new RootBeanDefinition(FormattingConversionServiceFactoryBean.class);
		RootBeanDefinition wbiDef = new RootBeanDefinition(ConfigurableWebBindingInitializer.class);
		wbiDef.getPropertyValues().add("conversionService", csDef);
		RootBeanDefinition adapterDef = new RootBeanDefinition(RequestMappingHandlerAdapter.class);
		adapterDef.getPropertyValues().add("webBindingInitializer", wbiDef);
		wac.registerBeanDefinition("handlerAdapter", adapterDef);
	}, CsvController.class);

	MockHttpServletRequest request = new MockHttpServletRequest();
	request.setRequestURI("/integerArray");
	request.setMethod("POST");
	request.addParameter("content", "1,2");
	MockHttpServletResponse response = new MockHttpServletResponse();
	getServlet().service(request, response);
	assertEquals("1-2", response.getContentAsString());
}
 

@Test  // SPR-12903
public void pathVariableWithCustomConverter() throws Exception {
	initServlet(wac -> {
		RootBeanDefinition csDef = new RootBeanDefinition(FormattingConversionServiceFactoryBean.class);
		csDef.getPropertyValues().add("converters", new AnnotatedExceptionRaisingConverter());
		RootBeanDefinition wbiDef = new RootBeanDefinition(ConfigurableWebBindingInitializer.class);
		wbiDef.getPropertyValues().add("conversionService", csDef);
		RootBeanDefinition adapterDef = new RootBeanDefinition(RequestMappingHandlerAdapter.class);
		adapterDef.getPropertyValues().add("webBindingInitializer", wbiDef);
		wac.registerBeanDefinition("handlerAdapter", adapterDef);
	}, PathVariableWithCustomConverterController.class);

	MockHttpServletRequest request = new MockHttpServletRequest("GET", "/myPath/1");
	MockHttpServletResponse response = new MockHttpServletResponse();
	getServlet().service(request, response);
	assertEquals(404, response.getStatus());
}
 

@Before
@SuppressWarnings("resource")
public void setup() throws Exception {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	context.refresh();
	ReactiveAdapterRegistry adapterRegistry = ReactiveAdapterRegistry.getSharedInstance();
	this.resolver = new RequestHeaderMethodArgumentResolver(context.getBeanFactory(), adapterRegistry);

	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultFormattingConversionService());
	this.bindingContext = new BindingContext(initializer);

	Method method = ReflectionUtils.findMethod(getClass(), "params", (Class<?>[]) null);
	this.paramNamedDefaultValueStringHeader = new SynthesizingMethodParameter(method, 0);
	this.paramNamedValueStringArray = new SynthesizingMethodParameter(method, 1);
	this.paramSystemProperty = new SynthesizingMethodParameter(method, 2);
	this.paramResolvedNameWithExpression = new SynthesizingMethodParameter(method, 3);
	this.paramResolvedNameWithPlaceholder = new SynthesizingMethodParameter(method, 4);
	this.paramNamedValueMap = new SynthesizingMethodParameter(method, 5);
	this.paramDate = new SynthesizingMethodParameter(method, 6);
	this.paramInstant = new SynthesizingMethodParameter(method, 7);
	this.paramMono = new SynthesizingMethodParameter(method, 8);
}
 

@Before
public void setup() throws Exception {
	ConfigurableWebBindingInitializer bindingInitializer = new ConfigurableWebBindingInitializer();
	bindingInitializer.setValidator(new StubValidator());

	List<HandlerMethodArgumentResolver> customResolvers = new ArrayList<>();
	customResolvers.add(new ServletWebArgumentResolverAdapter(new ColorArgumentResolver()));

	GenericWebApplicationContext context = new GenericWebApplicationContext();
	context.refresh();

	handlerAdapter = new RequestMappingHandlerAdapter();
	handlerAdapter.setWebBindingInitializer(bindingInitializer);
	handlerAdapter.setCustomArgumentResolvers(customResolvers);
	handlerAdapter.setApplicationContext(context);
	handlerAdapter.setBeanFactory(context.getBeanFactory());
	handlerAdapter.afterPropertiesSet();

	request = new MockHttpServletRequest();
	response = new MockHttpServletResponse();

	request.setMethod("POST");

	// Expose request to the current thread (for SpEL expressions)
	RequestContextHolder.setRequestAttributes(new ServletWebRequest(request));
}
 

@Test
public void pathVariableWithCustomConverter() throws Exception {
	initServlet(new ApplicationContextInitializer<GenericWebApplicationContext>() {
		@Override
		public void initialize(GenericWebApplicationContext context) {
			RootBeanDefinition csDef = new RootBeanDefinition(FormattingConversionServiceFactoryBean.class);
			csDef.getPropertyValues().add("converters", new AnnotatedExceptionRaisingConverter());
			RootBeanDefinition wbiDef = new RootBeanDefinition(ConfigurableWebBindingInitializer.class);
			wbiDef.getPropertyValues().add("conversionService", csDef);
			RootBeanDefinition adapterDef = new RootBeanDefinition(RequestMappingHandlerAdapter.class);
			adapterDef.getPropertyValues().add("webBindingInitializer", wbiDef);
			context.registerBeanDefinition("handlerAdapter", adapterDef);
		}
	}, PathVariableWithCustomConverterController.class);

	MockHttpServletRequest request = new MockHttpServletRequest("GET", "/myPath/1");
	MockHttpServletResponse response = new MockHttpServletResponse();
	getServlet().service(request, response);
	assertEquals(404, response.getStatus());
}
 

@Test
@Deprecated
public void test() throws Exception {
	AnnotationMethodHandlerAdapter adapter = new AnnotationMethodHandlerAdapter();
	ConfigurableWebBindingInitializer binder = new ConfigurableWebBindingInitializer();
	GenericConversionService service = new DefaultConversionService();
	service.addConverter(new ColorConverter());
	binder.setConversionService(service);
	adapter.setWebBindingInitializer(binder);
	Spr7766Controller controller = new Spr7766Controller();
	MockHttpServletRequest request = new MockHttpServletRequest();
	request.setRequestURI("/colors");
	request.setPathInfo("/colors");
	request.addParameter("colors", "#ffffff,000000");
	MockHttpServletResponse response = new MockHttpServletResponse();
	adapter.handle(request, response, controller);
}
 

@Before
public void setup() throws Exception {
	processor = new ServletModelAttributeMethodProcessor(false);

	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultConversionService());
	binderFactory = new ServletRequestDataBinderFactory(null, initializer);

	mavContainer = new ModelAndViewContainer();
	request = new MockHttpServletRequest();
	webRequest = new ServletWebRequest(request);

	Method method = getClass().getDeclaredMethod("modelAttribute",
			TestBean.class, TestBeanWithoutStringConstructor.class, Optional.class);
	testBeanModelAttr = new MethodParameter(method, 0);
	testBeanWithoutStringConstructorModelAttr = new MethodParameter(method, 1);
	testBeanWithOptionalModelAttr = new MethodParameter(method, 2);
}
 

@Test
public void typeNestedSetBinding() throws Exception {
	initServlet(new ApplicationContextInitializer<GenericWebApplicationContext>() {
		@Override
		public void initialize(GenericWebApplicationContext context) {
			RootBeanDefinition csDef = new RootBeanDefinition(FormattingConversionServiceFactoryBean.class);
			csDef.getPropertyValues().add("converters", new TestBeanConverter());
			RootBeanDefinition wbiDef = new RootBeanDefinition(ConfigurableWebBindingInitializer.class);
			wbiDef.getPropertyValues().add("conversionService", csDef);
			RootBeanDefinition adapterDef = new RootBeanDefinition(RequestMappingHandlerAdapter.class);
			adapterDef.getPropertyValues().add("webBindingInitializer", wbiDef);
			context.registerBeanDefinition("handlerAdapter", adapterDef);
		}
	}, NestedSetController.class);

	MockHttpServletRequest request = new MockHttpServletRequest("GET", "/myPath.do");
	request.addParameter("testBeanSet", new String[] {"1", "2"});
	MockHttpServletResponse response = new MockHttpServletResponse();
	getServlet().service(request, response);
	assertEquals("[1, 2]-org.springframework.tests.sample.beans.TestBean", response.getContentAsString());
}
 

@Test
@SuppressWarnings("rawtypes")
public void resolveOptionalParamValue() throws Exception {
	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultConversionService());
	WebDataBinderFactory binderFactory = new DefaultDataBinderFactory(initializer);

	MethodParameter param = this.testMethod.annotPresent(RequestParam.class).arg(Optional.class, Integer.class);
	Object result = resolver.resolveArgument(param, null, webRequest, binderFactory);
	assertEquals(Optional.empty(), result);

	request.addParameter("name", "123");
	result = resolver.resolveArgument(param, null, webRequest, binderFactory);
	assertEquals(Optional.class, result.getClass());
	assertEquals(123, ((Optional) result).get());
}
 

@Test
@SuppressWarnings("rawtypes")
public void resolveOptionalParamList() throws Exception {
	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultConversionService());
	WebDataBinderFactory binderFactory = new DefaultDataBinderFactory(initializer);

	MethodParameter param = this.testMethod.annotPresent(RequestParam.class).arg(Optional.class, List.class);
	Object result = resolver.resolveArgument(param, null, webRequest, binderFactory);
	assertEquals(Optional.empty(), result);

	request.addParameter("name", "123", "456");
	result = resolver.resolveArgument(param, null, webRequest, binderFactory);
	assertEquals(Optional.class, result.getClass());
	assertEquals(Arrays.asList("123", "456"), ((Optional) result).get());
}
 

@Test
public void resolveOptionalMultipartFile() throws Exception {
	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultConversionService());
	WebDataBinderFactory binderFactory = new DefaultDataBinderFactory(initializer);

	MockMultipartHttpServletRequest request = new MockMultipartHttpServletRequest();
	MultipartFile expected = new MockMultipartFile("mfile", "Hello World".getBytes());
	request.addFile(expected);
	webRequest = new ServletWebRequest(request);

	MethodParameter param = this.testMethod.annotPresent(RequestParam.class).arg(Optional.class, MultipartFile.class);
	Object result = resolver.resolveArgument(param, null, webRequest, binderFactory);

	assertTrue(result instanceof Optional);
	assertEquals("Invalid result", expected, ((Optional<?>) result).get());
}
 

@Test
@SuppressWarnings("rawtypes")
public void resolveOptionalParamArray() throws Exception {
	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultConversionService());
	WebDataBinderFactory binderFactory = new DefaultDataBinderFactory(initializer);

	MethodParameter param = this.testMethod.annotPresent(RequestParam.class).arg(Optional.class, Integer[].class);
	Object result = resolver.resolveArgument(param, null, webRequest, binderFactory);
	assertEquals(Optional.empty(), result);

	request.addParameter("name", "123", "456");
	result = resolver.resolveArgument(param, null, webRequest, binderFactory);
	assertEquals(Optional.class, result.getClass());
	assertArrayEquals(new Integer[] {123, 456}, (Integer[]) ((Optional) result).get());
}
 

@Before
public void setup() throws Exception {
	ConfigurableWebBindingInitializer bindingInitializer = new ConfigurableWebBindingInitializer();
	bindingInitializer.setValidator(new StubValidator());

	List<HandlerMethodArgumentResolver> customResolvers = new ArrayList<HandlerMethodArgumentResolver>();
	customResolvers.add(new ServletWebArgumentResolverAdapter(new ColorArgumentResolver()));

	GenericWebApplicationContext context = new GenericWebApplicationContext();
	context.refresh();

	handlerAdapter = new RequestMappingHandlerAdapter();
	handlerAdapter.setWebBindingInitializer(bindingInitializer);
	handlerAdapter.setCustomArgumentResolvers(customResolvers);
	handlerAdapter.setApplicationContext(context);
	handlerAdapter.setBeanFactory(context.getBeanFactory());
	handlerAdapter.afterPropertiesSet();

	request = new MockHttpServletRequest();
	response = new MockHttpServletResponse();

	request.setMethod("POST");

	// Expose request to the current thread (for SpEL expressions)
	RequestContextHolder.setRequestAttributes(new ServletWebRequest(request));
}
 

@Test
@SuppressWarnings("rawtypes")
public void resolveOptionalParamArray() throws Exception {
	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultConversionService());
	WebDataBinderFactory binderFactory = new DefaultDataBinderFactory(initializer);

	MethodParameter param = this.testMethod.annotPresent(RequestParam.class).arg(Optional.class, Integer[].class);
	Object result = resolver.resolveArgument(param, null, webRequest, binderFactory);
	assertEquals(Optional.empty(), result);

	request.addParameter("name", "123", "456");
	result = resolver.resolveArgument(param, null, webRequest, binderFactory);
	assertEquals(Optional.class, result.getClass());
	assertArrayEquals(new Integer[] {123, 456}, (Integer[]) ((Optional) result).get());
}
 

@Test
@SuppressWarnings("rawtypes")
public void resolveOptionalParamValue() throws Exception {
	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultConversionService());
	WebDataBinderFactory binderFactory = new DefaultDataBinderFactory(initializer);

	MethodParameter param = this.testMethod.annotPresent(RequestParam.class).arg(Optional.class, Integer.class);
	Object result = resolver.resolveArgument(param, null, webRequest, binderFactory);
	assertEquals(Optional.empty(), result);

	request.addParameter("name", "123");
	result = resolver.resolveArgument(param, null, webRequest, binderFactory);
	assertEquals(Optional.class, result.getClass());
	assertEquals(123, ((Optional) result).get());
}
 

@Test
public void requestMappingHandlerAdapter() throws Exception {
	delegatingConfig.setConfigurers(Collections.singletonList(webFluxConfigurer));

	ConfigurableWebBindingInitializer initializer = (ConfigurableWebBindingInitializer)
			this.delegatingConfig.requestMappingHandlerAdapter().getWebBindingInitializer();

	verify(webFluxConfigurer).configureHttpMessageCodecs(codecsConfigurer.capture());
	verify(webFluxConfigurer).getValidator();
	verify(webFluxConfigurer).getMessageCodesResolver();
	verify(webFluxConfigurer).addFormatters(formatterRegistry.capture());
	verify(webFluxConfigurer).configureArgumentResolvers(any());

	assertNotNull(initializer);
	assertTrue(initializer.getValidator() instanceof LocalValidatorFactoryBean);
	assertSame(formatterRegistry.getValue(), initializer.getConversionService());
	assertEquals(13, codecsConfigurer.getValue().getReaders().size());
}
 

@Test
public void requestMappingHandlerAdapter() throws Exception {
	delegatingConfig.setConfigurers(Collections.singletonList(webMvcConfigurer));
	RequestMappingHandlerAdapter adapter = this.delegatingConfig.requestMappingHandlerAdapter();

	ConfigurableWebBindingInitializer initializer =
			(ConfigurableWebBindingInitializer) adapter.getWebBindingInitializer();

	verify(webMvcConfigurer).configureMessageConverters(converters.capture());
	verify(webMvcConfigurer).configureContentNegotiation(contentNegotiationConfigurer.capture());
	verify(webMvcConfigurer).addFormatters(conversionService.capture());
	verify(webMvcConfigurer).addArgumentResolvers(resolvers.capture());
	verify(webMvcConfigurer).addReturnValueHandlers(handlers.capture());
	verify(webMvcConfigurer).configureAsyncSupport(asyncConfigurer.capture());

	assertNotNull(initializer);
	assertSame(conversionService.getValue(), initializer.getConversionService());
	assertTrue(initializer.getValidator() instanceof LocalValidatorFactoryBean);
	assertEquals(0, resolvers.getValue().size());
	assertEquals(0, handlers.getValue().size());
	assertEquals(converters.getValue(), adapter.getMessageConverters());
	assertNotNull(asyncConfigurer);
}
 

@Test
public void resolveOptional() throws Exception {
	MethodParameter param = this.testMethod.annot(requestAttribute().name("foo")).arg(Optional.class, Foo.class);
	Mono<Object> mono = this.resolver.resolveArgument(param, new BindingContext(), this.exchange);

	assertNotNull(mono.block());
	assertEquals(Optional.class, mono.block().getClass());
	assertFalse(((Optional<?>) mono.block()).isPresent());

	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultFormattingConversionService());
	BindingContext bindingContext = new BindingContext(initializer);

	Foo foo = new Foo();
	this.exchange.getAttributes().put("foo", foo);
	mono = this.resolver.resolveArgument(param, bindingContext, this.exchange);

	assertNotNull(mono.block());
	assertEquals(Optional.class, mono.block().getClass());
	Optional<?> optional = (Optional<?>) mono.block();
	assertTrue(optional.isPresent());
	assertSame(foo, optional.get());
}
 

@Test
public void webBindingInitializer() throws Exception {
	RequestMappingHandlerAdapter adapter = this.config.requestMappingHandlerAdapter();

	ConfigurableWebBindingInitializer initializer =
			(ConfigurableWebBindingInitializer) adapter.getWebBindingInitializer();

	assertNotNull(initializer);

	BeanPropertyBindingResult bindingResult = new BeanPropertyBindingResult(null, "");
	initializer.getValidator().validate(null, bindingResult);
	assertEquals("invalid", bindingResult.getAllErrors().get(0).getCode());

	String[] codes = initializer.getMessageCodesResolver().resolveMessageCodes("invalid", null);
	assertEquals("custom.invalid", codes[0]);
}
 

@Test
public void resolveArgumentWrappedAsOptional() throws Exception {
	Map<String, String> uriTemplateVars = new HashMap<>();
	uriTemplateVars.put("name", "value");
	request.setAttribute(HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE, uriTemplateVars);

	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultConversionService());
	WebDataBinderFactory binderFactory = new DefaultDataBinderFactory(initializer);

	@SuppressWarnings("unchecked")
	Optional<String> result = (Optional<String>)
			resolver.resolveArgument(paramOptional, mavContainer, webRequest, binderFactory);
	assertEquals("PathVariable not resolved correctly", "value", result.get());

	@SuppressWarnings("unchecked")
	Map<String, Object> pathVars = (Map<String, Object>) request.getAttribute(View.PATH_VARIABLES);
	assertNotNull(pathVars);
	assertEquals(1, pathVars.size());
	assertEquals(Optional.of("value"), pathVars.get("name"));
}
 

@Before
@SuppressWarnings("resource")
public void setup() throws Exception {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	context.refresh();
	ReactiveAdapterRegistry adapterRegistry = ReactiveAdapterRegistry.getSharedInstance();
	this.resolver = new RequestHeaderMethodArgumentResolver(context.getBeanFactory(), adapterRegistry);

	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultFormattingConversionService());
	this.bindingContext = new BindingContext(initializer);

	Method method = ReflectionUtils.findMethod(getClass(), "params", (Class<?>[]) null);
	this.paramNamedDefaultValueStringHeader = new SynthesizingMethodParameter(method, 0);
	this.paramNamedValueStringArray = new SynthesizingMethodParameter(method, 1);
	this.paramSystemProperty = new SynthesizingMethodParameter(method, 2);
	this.paramResolvedNameWithExpression = new SynthesizingMethodParameter(method, 3);
	this.paramResolvedNameWithPlaceholder = new SynthesizingMethodParameter(method, 4);
	this.paramNamedValueMap = new SynthesizingMethodParameter(method, 5);
	this.paramDate = new SynthesizingMethodParameter(method, 6);
	this.paramInstant = new SynthesizingMethodParameter(method, 7);
	this.paramMono = new SynthesizingMethodParameter(method, 8);
}
 

@Test
@SuppressWarnings("rawtypes")
public void resolveOptional() throws Exception {
	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultConversionService());
	WebDataBinderFactory binderFactory = new DefaultDataBinderFactory(initializer);

	Object result = resolver.resolveArgument(paramOptional, null, webRequest, binderFactory);
	assertEquals(Optional.class, result.getClass());
	assertEquals(Optional.empty(), result);

	this.request.addParameter("name", "123");
	result = resolver.resolveArgument(paramOptional, null, webRequest, binderFactory);
	assertEquals(Optional.class, result.getClass());
	assertEquals(123, ((Optional) result).get());
}
 

@Test
public void parameterCsvAsStringArray() throws Exception {
	initServlet(wac -> {
		RootBeanDefinition csDef = new RootBeanDefinition(FormattingConversionServiceFactoryBean.class);
		RootBeanDefinition wbiDef = new RootBeanDefinition(ConfigurableWebBindingInitializer.class);
		wbiDef.getPropertyValues().add("conversionService", csDef);
		RootBeanDefinition adapterDef = new RootBeanDefinition(RequestMappingHandlerAdapter.class);
		adapterDef.getPropertyValues().add("webBindingInitializer", wbiDef);
		wac.registerBeanDefinition("handlerAdapter", adapterDef);
	}, CsvController.class);

	MockHttpServletRequest request = new MockHttpServletRequest();
	request.setRequestURI("/integerArray");
	request.setMethod("POST");
	request.addParameter("content", "1,2");
	MockHttpServletResponse response = new MockHttpServletResponse();
	getServlet().service(request, response);
	assertEquals("1-2", response.getContentAsString());
}
 

@Before
public void setup() throws Exception {
	ConfigurableWebBindingInitializer bindingInitializer = new ConfigurableWebBindingInitializer();
	bindingInitializer.setValidator(new StubValidator());

	List<HandlerMethodArgumentResolver> customResolvers = new ArrayList<>();
	customResolvers.add(new ServletWebArgumentResolverAdapter(new ColorArgumentResolver()));

	GenericWebApplicationContext context = new GenericWebApplicationContext();
	context.refresh();

	handlerAdapter = new RequestMappingHandlerAdapter();
	handlerAdapter.setWebBindingInitializer(bindingInitializer);
	handlerAdapter.setCustomArgumentResolvers(customResolvers);
	handlerAdapter.setApplicationContext(context);
	handlerAdapter.setBeanFactory(context.getBeanFactory());
	handlerAdapter.afterPropertiesSet();

	request = new MockHttpServletRequest();
	response = new MockHttpServletResponse();

	request.setMethod("POST");

	// Expose request to the current thread (for SpEL expressions)
	RequestContextHolder.setRequestAttributes(new ServletWebRequest(request));
}
 

@Before
public void setUp() throws Exception {
	this.processor = new ServletModelAttributeMethodProcessor(false);

	Method method = getClass().getDeclaredMethod("modelAttribute",
			TestBean.class, TestBeanWithoutStringConstructor.class, Optional.class);

	this.testBeanModelAttr = new MethodParameter(method, 0);
	this.testBeanWithoutStringConstructorModelAttr = new MethodParameter(method, 1);
	this.testBeanWithOptionalModelAttr = new MethodParameter(method, 2);

	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultConversionService());

	this.binderFactory = new ServletRequestDataBinderFactory(null, initializer);
	this.mavContainer = new ModelAndViewContainer();

	this.request = new MockHttpServletRequest();
	this.webRequest = new ServletWebRequest(request);
}
 

@Test  // SPR-12903
public void pathVariableWithCustomConverter() throws Exception {
	initServlet(wac -> {
		RootBeanDefinition csDef = new RootBeanDefinition(FormattingConversionServiceFactoryBean.class);
		csDef.getPropertyValues().add("converters", new AnnotatedExceptionRaisingConverter());
		RootBeanDefinition wbiDef = new RootBeanDefinition(ConfigurableWebBindingInitializer.class);
		wbiDef.getPropertyValues().add("conversionService", csDef);
		RootBeanDefinition adapterDef = new RootBeanDefinition(RequestMappingHandlerAdapter.class);
		adapterDef.getPropertyValues().add("webBindingInitializer", wbiDef);
		wac.registerBeanDefinition("handlerAdapter", adapterDef);
	}, PathVariableWithCustomConverterController.class);

	MockHttpServletRequest request = new MockHttpServletRequest("GET", "/myPath/1");
	MockHttpServletResponse response = new MockHttpServletResponse();
	getServlet().service(request, response);
	assertEquals(404, response.getStatus());
}