类 RequestBodyAdviceAdapter

构造器详细资料

• RequestBodyAdviceAdapter

  public RequestBodyAdviceAdapter()

方法详细资料

• beforeBodyRead

  public HttpInputMessage beforeBodyRead​(HttpInputMessage inputMessage,
                                         MethodParameter parameter,
                                         Type targetType,
                                         Class<? extends HttpMessageConverter<?>> converterType)
                                  throws IOException

  The default implementation returns the InputMessage that was passed in.

  指定者:

  beforeBodyRead 在接口中 RequestBodyAdvice

  参数:

  inputMessage - the request

  parameter - the target method parameter

  targetType - the target type, not necessarily the same as the method parameter type, e.g. for HttpEntity<String>.

  converterType - the converter used to deserialize the body

  返回:

  the input request or a new instance, never null

  抛出:

  IOException

• afterBodyRead

  public Object afterBodyRead​(Object body,
                              HttpInputMessage inputMessage,
                              MethodParameter parameter,
                              Type targetType,
                              Class<? extends HttpMessageConverter<?>> converterType)

  The default implementation returns the body that was passed in.

  指定者:

  afterBodyRead 在接口中 RequestBodyAdvice

  参数:

  body - set to the converter Object before the first advice is called

  inputMessage - the request

  parameter - the target method parameter

  targetType - the target type, not necessarily the same as the method parameter type, e.g. for HttpEntity<String>.

  converterType - the converter used to deserialize the body

  返回:

  the same body or a new instance

• handleEmptyBody

  @Nullable
  public Object handleEmptyBody​(@Nullable
                                Object body,
                                HttpInputMessage inputMessage,
                                MethodParameter parameter,
                                Type targetType,
                                Class<? extends HttpMessageConverter<?>> converterType)

  The default implementation returns the body that was passed in.

  指定者:

  handleEmptyBody 在接口中 RequestBodyAdvice

  参数:

  body - usually set to null before the first advice is called

  inputMessage - the request

  parameter - the method parameter

  targetType - the target type, not necessarily the same as the method parameter type, e.g. for HttpEntity<String>.

  converterType - the selected converter type

  返回:

  the value to use or null which may then raise an HttpMessageNotReadableException if the argument is required.