Spring Framework

org.springframework.web.servlet.mvc.method.annotation
Class AbstractMessageConverterMethodArgumentResolver

java.lang.Object
  extended by org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodArgumentResolver
All Implemented Interfaces:
HandlerMethodArgumentResolver
Direct Known Subclasses:
AbstractMessageConverterMethodProcessor, RequestPartMethodArgumentResolver

public abstract class AbstractMessageConverterMethodArgumentResolver
extends java.lang.Object
implements HandlerMethodArgumentResolver

A base class for resolving method argument values by reading from the body of a request with HttpMessageConverters.

Since:
3.1
Author:
Arjen Poutsma, Rossen Stoyanchev

Field Summary
protected  java.util.List<MediaType> allSupportedMediaTypes
           
protected  org.apache.commons.logging.Log logger
           
protected  java.util.List<HttpMessageConverter<?>> messageConverters
           
 
Constructor Summary
AbstractMessageConverterMethodArgumentResolver(java.util.List<HttpMessageConverter<?>> messageConverters)
           
 
Method Summary
protected  ServletServerHttpRequest createInputMessage(NativeWebRequest webRequest)
          Creates a new HttpInputMessage from the given NativeWebRequest.
protected
<T> java.lang.Object
readWithMessageConverters(HttpInputMessage inputMessage, MethodParameter methodParam, java.lang.Class<T> paramType)
          Creates the method argument value of the expected parameter type by reading from the given HttpInputMessage.
protected
<T> java.lang.Object
readWithMessageConverters(NativeWebRequest webRequest, MethodParameter methodParam, java.lang.Class<T> paramType)
          Creates the method argument value of the expected parameter type by reading from the given request.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.springframework.web.method.support.HandlerMethodArgumentResolver
resolveArgument, supportsParameter
 

Field Detail

logger

protected final org.apache.commons.logging.Log logger

messageConverters

protected final java.util.List<HttpMessageConverter<?>> messageConverters

allSupportedMediaTypes

protected final java.util.List<MediaType> allSupportedMediaTypes
Constructor Detail

AbstractMessageConverterMethodArgumentResolver

public AbstractMessageConverterMethodArgumentResolver(java.util.List<HttpMessageConverter<?>> messageConverters)
Method Detail

readWithMessageConverters

protected <T> java.lang.Object readWithMessageConverters(NativeWebRequest webRequest,
                                                         MethodParameter methodParam,
                                                         java.lang.Class<T> paramType)
                                              throws java.io.IOException,
                                                     HttpMediaTypeNotSupportedException
Creates the method argument value of the expected parameter type by reading from the given request.

Type Parameters:
T - the expected type of the argument value to be created
Parameters:
webRequest - the current request
methodParam - the method argument
paramType - the type of the argument value to be created
Returns:
the created method argument value
Throws:
java.io.IOException - if the reading from the request fails
HttpMediaTypeNotSupportedException - if no suitable message converter is found

readWithMessageConverters

protected <T> java.lang.Object readWithMessageConverters(HttpInputMessage inputMessage,
                                                         MethodParameter methodParam,
                                                         java.lang.Class<T> paramType)
                                              throws java.io.IOException,
                                                     HttpMediaTypeNotSupportedException
Creates the method argument value of the expected parameter type by reading from the given HttpInputMessage.

Type Parameters:
T - the expected type of the argument value to be created
Parameters:
inputMessage - the HTTP input message representing the current request
methodParam - the method argument
paramType - the type of the argument value to be created
Returns:
the created method argument value
Throws:
java.io.IOException - if the reading from the request fails
HttpMediaTypeNotSupportedException - if no suitable message converter is found

createInputMessage

protected ServletServerHttpRequest createInputMessage(NativeWebRequest webRequest)
Creates a new HttpInputMessage from the given NativeWebRequest.

Parameters:
webRequest - the web request to create an input message from
Returns:
the input message

Spring Framework