MediaTypeFileExtensionResolver (Spring Framework 5.2.12.RELEASE API)

所有已知实现类:
AbstractMappingContentNegotiationStrategy, ContentNegotiationManager, MappingMediaTypeFileExtensionResolver, ParameterContentNegotiationStrategy, PathExtensionContentNegotiationStrategy, ServletPathExtensionContentNegotiationStrategy
```
public interface MediaTypeFileExtensionResolver
```
Strategy to resolve a MediaType to a list of file extensions — for example, to resolve "application/json" to "json".
从以下版本开始:
3.2
作者:
Rossen Stoyanchev

方法概要

所有方法实例方法抽象方法
修饰符和类型	方法	说明
`List<String>`	`getAllFileExtensions()`	Get all registered file extensions.
`List<String>`	`resolveFileExtensions(MediaType mediaType)`	Resolve the given media type to a list of file extensions.

- 方法详细资料
  - resolveFileExtensions
```
List<String> resolveFileExtensions(MediaType mediaType)
```
    Resolve the given media type to a list of file extensions.
    参数:
    mediaType - the media type to resolve
    返回:
    a list of extensions or an empty list (never null)
  - getAllFileExtensions
```
List<String> getAllFileExtensions()
```
    Get all registered file extensions.
    返回:
    a list of extensions or an empty list (never null)