Examples with DefaultDataBinderFactory org.springframework.web.bind.support.DefaultDataBinderFactory used on opensource projects

Example 11 with DefaultDataBinderFactory

use of org.springframework.web.bind.support.DefaultDataBinderFactory in project spring-framework by spring-projects.

the class RequestParamMethodArgumentResolverTests method resolveOptionalParamValue.

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