public abstract class AbstractMessageConverterMethodArgumentResolver extends Object implements HandlerMethodArgumentResolver
HttpMessageConverters.| Modifier and Type | Field and Description |
|---|---|
protected List<MediaType> |
allSupportedMediaTypes |
protected Log |
logger |
protected List<HttpMessageConverter<?>> |
messageConverters |
| Constructor and Description |
|---|
AbstractMessageConverterMethodArgumentResolver(List<HttpMessageConverter<?>> converters)
Basic constructor with converters only.
|
AbstractMessageConverterMethodArgumentResolver(List<HttpMessageConverter<?>> converters,
List<Object> requestResponseBodyAdvice)
Constructor with converters and
Request~ and ResponseBodyAdvice. |
| Modifier and Type | Method and Description |
|---|---|
protected Object |
adaptArgumentIfNecessary(Object arg,
MethodParameter parameter)
Adapt the given argument against the method parameter, if necessary.
|
protected ServletServerHttpRequest |
createInputMessage(NativeWebRequest webRequest)
Create a new
HttpInputMessage from the given NativeWebRequest. |
protected boolean |
isBindExceptionRequired(WebDataBinder binder,
MethodParameter parameter)
Whether to raise a fatal bind exception on validation errors.
|
protected <T> Object |
readWithMessageConverters(HttpInputMessage inputMessage,
MethodParameter parameter,
Type targetType)
Create the method argument value of the expected parameter type by reading
from the given HttpInputMessage.
|
protected <T> Object |
readWithMessageConverters(NativeWebRequest webRequest,
MethodParameter parameter,
Type paramType)
Create the method argument value of the expected parameter type by
reading from the given request.
|
protected void |
validateIfApplicable(WebDataBinder binder,
MethodParameter parameter)
Validate the binding target if applicable.
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitresolveArgument, supportsParameterprotected final Log logger
protected final List<HttpMessageConverter<?>> messageConverters
public AbstractMessageConverterMethodArgumentResolver(List<HttpMessageConverter<?>> converters)
public AbstractMessageConverterMethodArgumentResolver(List<HttpMessageConverter<?>> converters, @Nullable List<Object> requestResponseBodyAdvice)
Request~ and ResponseBodyAdvice.@Nullable protected <T> Object readWithMessageConverters(NativeWebRequest webRequest, MethodParameter parameter, Type paramType) throws IOException, HttpMediaTypeNotSupportedException, HttpMessageNotReadableException
T - the expected type of the argument value to be createdwebRequest - the current requestparameter - the method parameter descriptor (may be null)paramType - the type of the argument value to be createdIOException - if the reading from the request failsHttpMediaTypeNotSupportedException - if no suitable message converter is foundHttpMessageNotReadableException@Nullable protected <T> Object readWithMessageConverters(HttpInputMessage inputMessage, MethodParameter parameter, Type targetType) throws IOException, HttpMediaTypeNotSupportedException, HttpMessageNotReadableException
T - the expected type of the argument value to be createdinputMessage - the HTTP input message representing the current requestparameter - the method parameter descriptortargetType - the target type, not necessarily the same as the method
parameter type, e.g. for HttpEntity<String>.IOException - if the reading from the request failsHttpMediaTypeNotSupportedException - if no suitable message converter is foundHttpMessageNotReadableExceptionprotected ServletServerHttpRequest createInputMessage(NativeWebRequest webRequest)
HttpInputMessage from the given NativeWebRequest.webRequest - the web request to create an input message fromprotected void validateIfApplicable(WebDataBinder binder, MethodParameter parameter)
The default implementation checks for @javax.validation.Valid,
Spring's Validated,
and custom annotations whose name starts with "Valid".
binder - the DataBinder to be usedparameter - the method parameter descriptorisBindExceptionRequired(org.springframework.web.bind.WebDataBinder, org.springframework.core.MethodParameter)protected boolean isBindExceptionRequired(WebDataBinder binder, MethodParameter parameter)
binder - the data binder used to perform data bindingparameter - the method parameter descriptortrue if the next method argument is not of type Errors@Nullable protected Object adaptArgumentIfNecessary(@Nullable Object arg, MethodParameter parameter)
arg - the resolved argumentparameter - the method parameter descriptor