public abstract class AbstractMessageConverterMethodProcessor extends AbstractMessageConverterMethodArgumentResolver implements HandlerMethodReturnValueHandler
AbstractMessageConverterMethodArgumentResolver
with the ability to handle method return
values by writing to the response with HttpMessageConverter
s.Modifier and Type | Field and Description |
---|---|
private ContentNegotiationManager |
contentNegotiationManager |
private static MediaType |
MEDIA_TYPE_APPLICATION |
allSupportedMediaTypes, logger, messageConverters
Modifier | Constructor and Description |
---|---|
protected |
AbstractMessageConverterMethodProcessor(java.util.List<HttpMessageConverter<?>> messageConverters) |
protected |
AbstractMessageConverterMethodProcessor(java.util.List<HttpMessageConverter<?>> messageConverters,
ContentNegotiationManager manager) |
Modifier and Type | Method and Description |
---|---|
protected ServletServerHttpResponse |
createOutputMessage(NativeWebRequest webRequest)
Creates a new
HttpOutputMessage from the given NativeWebRequest . |
private java.util.List<MediaType> |
getAcceptableMediaTypes(HttpServletRequest request) |
private MediaType |
getMostSpecificMediaType(MediaType acceptType,
MediaType produceType)
Return the more specific of the acceptable and the producible media types
with the q-value of the former.
|
protected java.util.List<MediaType> |
getProducibleMediaTypes(HttpServletRequest request,
java.lang.Class<?> returnValueClass)
Returns the media types that can be produced:
The producible media types specified in the request mappings, or
Media types of configured converters that can write the specific return value, or
MediaType.ALL
|
protected <T> void |
writeWithMessageConverters(T returnValue,
MethodParameter returnType,
NativeWebRequest webRequest)
Writes the given return value to the given web request.
|
protected <T> void |
writeWithMessageConverters(T returnValue,
MethodParameter returnType,
ServletServerHttpRequest inputMessage,
ServletServerHttpResponse outputMessage)
Writes the given return type to the given output message.
|
createInputMessage, readWithMessageConverters, readWithMessageConverters
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
handleReturnValue, supportsReturnType
resolveArgument, supportsParameter
private static final MediaType MEDIA_TYPE_APPLICATION
private final ContentNegotiationManager contentNegotiationManager
protected AbstractMessageConverterMethodProcessor(java.util.List<HttpMessageConverter<?>> messageConverters)
protected AbstractMessageConverterMethodProcessor(java.util.List<HttpMessageConverter<?>> messageConverters, ContentNegotiationManager manager)
protected ServletServerHttpResponse createOutputMessage(NativeWebRequest webRequest)
HttpOutputMessage
from the given NativeWebRequest
.webRequest
- the web request to create an output message fromprotected <T> void writeWithMessageConverters(T returnValue, MethodParameter returnType, NativeWebRequest webRequest) throws java.io.IOException, HttpMediaTypeNotAcceptableException
writeWithMessageConverters(Object, MethodParameter, ServletServerHttpRequest, ServletServerHttpResponse)
java.io.IOException
HttpMediaTypeNotAcceptableException
protected <T> void writeWithMessageConverters(T returnValue, MethodParameter returnType, ServletServerHttpRequest inputMessage, ServletServerHttpResponse outputMessage) throws java.io.IOException, HttpMediaTypeNotAcceptableException
returnValue
- the value to write to the output messagereturnType
- the type of the valueinputMessage
- the input messages. Used to inspect the Accept
header.outputMessage
- the output message to write tojava.io.IOException
- thrown in case of I/O errorsHttpMediaTypeNotAcceptableException
- thrown when the conditions indicated by Accept
header on
the request cannot be met by the message convertersprotected java.util.List<MediaType> getProducibleMediaTypes(HttpServletRequest request, java.lang.Class<?> returnValueClass)
MediaType.ALL
private java.util.List<MediaType> getAcceptableMediaTypes(HttpServletRequest request) throws HttpMediaTypeNotAcceptableException