Examples of org.springframework.web.bind.support.WebDataBinderFactory

Package org.springframework.web.bind.support

Examples of org.springframework.web.bind.support.WebDataBinderFactory

org.springframework.web.bind.support.WebDataBinderFactory
A factory for creating a {@link WebDataBinder} instance for a named target object. @author Arjen Poutsma @since 3.1

  public void missingRequestParamEmptyValueConvertedToNull() throws Exception {


    WebDataBinder binder = new WebRequestDataBinder(null);
    binder.registerCustomEditor(String.class, new StringTrimmerEditor(true));


    WebDataBinderFactory binderFactory = mock(WebDataBinderFactory.class);
    given(binderFactory.createBinder(webRequest, null, "stringNotAnnot")).willReturn(binder);


    this.request.addParameter("stringNotAnnot", "");


    Object arg = resolver.resolveArgument(paramStringNotAnnot, null, webRequest, binderFactory);

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  public void missingRequestParamEmptyValueNotRequired() throws Exception {


    WebDataBinder binder = new WebRequestDataBinder(null);
    binder.registerCustomEditor(String.class, new StringTrimmerEditor(true));


    WebDataBinderFactory binderFactory = mock(WebDataBinderFactory.class);
    given(binderFactory.createBinder(webRequest, null, "name")).willReturn(binder);


    this.request.addParameter("name", "");


    Object arg = resolver.resolveArgument(paramNotRequired, null, webRequest, binderFactory);

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  @Test
  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);

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  private void runTest(Object controller) throws Exception {
    HandlerMethodArgumentResolverComposite resolvers = new HandlerMethodArgumentResolverComposite();
    resolvers.addResolver(new ModelAttributeMethodProcessor(false));
    resolvers.addResolver(new ModelMethodProcessor());
    WebDataBinderFactory dataBinderFactory = new DefaultDataBinderFactory(null);


    Class<?> type = controller.getClass();
    Set<Method> methods = HandlerMethodSelector.selectMethods(type, METHOD_FILTER);
    List<InvocableHandlerMethod> modelMethods = new ArrayList<InvocableHandlerMethod>();
    for (Method method : methods) {

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  private void getAttributeFromModel(String expectedAttributeName, MethodParameter param) throws Exception {
    Object target = new TestBean();
    mavContainer.addAttribute(expectedAttributeName, target);


    WebDataBinder dataBinder = new WebRequestDataBinder(target);
    WebDataBinderFactory factory = mock(WebDataBinderFactory.class);
    given(factory.createBinder(webRequest, target, expectedAttributeName)).willReturn(dataBinder);


    processor.resolveArgument(param, mavContainer, webRequest, factory);
    verify(factory).createBinder(webRequest, target, expectedAttributeName);
  }

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  @Test
  public void resovleArgumentViaDefaultConstructor() throws Exception {
    WebDataBinder dataBinder = new WebRequestDataBinder(null);


    WebDataBinderFactory factory = mock(WebDataBinderFactory.class);
    given(factory.createBinder((NativeWebRequest) anyObject(), notNull(), eq("attrName"))).willReturn(dataBinder);


    processor.resolveArgument(paramNamedValidModelAttr, mavContainer, webRequest, factory);


    verify(factory).createBinder((NativeWebRequest) anyObject(), notNull(), eq("attrName"));
  }

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    String name = "attrName";
    Object target = new TestBean();
    mavContainer.addAttribute(name, target);


    StubRequestDataBinder dataBinder = new StubRequestDataBinder(target, name);
    WebDataBinderFactory binderFactory = mock(WebDataBinderFactory.class);
    given(binderFactory.createBinder(webRequest, target, name)).willReturn(dataBinder);


    processor.resolveArgument(paramNamedValidModelAttr, mavContainer, webRequest, binderFactory);


    assertTrue(dataBinder.isBindInvoked());
    assertTrue(dataBinder.isValidateInvoked());

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    mavContainer.getModel().addAttribute(target);


    StubRequestDataBinder dataBinder = new StubRequestDataBinder(target, name);
    dataBinder.getBindingResult().reject("error");


    WebDataBinderFactory binderFactory = mock(WebDataBinderFactory.class);
    given(binderFactory.createBinder(webRequest, target, name)).willReturn(dataBinder);


    processor.resolveArgument(paramNonSimpleType, mavContainer, webRequest, binderFactory);
    verify(binderFactory).createBinder(webRequest, target, name);
  }

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    Object anotherTestBean = new TestBean();
    mavContainer.addAttribute("anotherTestBean", anotherTestBean);


    StubRequestDataBinder dataBinder = new StubRequestDataBinder(testBean, name);
    WebDataBinderFactory binderFactory = mock(WebDataBinderFactory.class);
    given(binderFactory.createBinder(webRequest, testBean, name)).willReturn(dataBinder);


    processor.resolveArgument(paramModelAttr, mavContainer, webRequest, binderFactory);


    assertSame("Resolved attribute should be updated to be last in the order",
        testBean, mavContainer.getModel().values().toArray()[1]);

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    Object attrValue = new Object();
    ModelAndViewContainer mavContainer = new ModelAndViewContainer();
    mavContainer.addAttribute(attrName, attrValue);


    WebDataBinder dataBinder = new WebDataBinder(attrValue, attrName);
    WebDataBinderFactory binderFactory = mock(WebDataBinderFactory.class);
    given(binderFactory.createBinder(webRequest, attrValue, attrName)).willReturn(dataBinder);


    ModelFactory modelFactory = new ModelFactory(null, binderFactory, sessionAttrsHandler);
    modelFactory.updateModel(webRequest, mavContainer);


    assertEquals(attrValue, mavContainer.getModel().remove(attrName));

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org.springframework.web.method.annotation.InitBinderDataBinderFactoryTests

org.springframework.web.method.annotation.ModelAttributeMethodProcessorTests

org.springframework.web.method.annotation.ModelFactoryOrderingTests

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