org.springframework.web.multipart

## Interface MultipartRequest

- All Known Subinterfaces:
    MultipartActionRequest, MultipartHttpServletRequest
  All Known Implementing Classes:
    AbstractMultipartHttpServletRequest, DefaultMultipartActionRequest, DefaultMultipartHttpServletRequest, MockMultipartActionRequest, MockMultipartHttpServletRequest, StandardMultipartHttpServletRequest

      public interface MultipartRequest

  This interface defines the multipart request access operations that are exposed for actual multipart requests. It is extended by `MultipartHttpServletRequest` and the Portlet `MultipartActionRequest`.
  Since:
    2.5.2
  Author:
    Juergen Hoeller, Arjen Poutsma

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `MultipartFile` | `getFile(String name)` Return the contents plus description of an uploaded file in this request, or `null` if it does not exist.
    `Map<String,MultipartFile>` | `getFileMap()` Return a `Map` of the multipart files contained in this request.
    `Iterator<String>` | `getFileNames()` Return an `Iterator` of String objects containing the parameter names of the multipart files contained in this request.
    `List<MultipartFile>` | `getFiles(String name)` Return the contents plus description of uploaded files in this request, or an empty list if it does not exist.
    `MultiValueMap<String,MultipartFile>` | `getMultiFileMap()` Return a `MultiValueMap` of the multipart files contained in this request.
    `String` | `getMultipartContentType(String paramOrFileName)` Determine the content type of the specified request part.

- - ### Method Detail

    - #### getFileNames

          Iterator<String> getFileNames()

      Return an `Iterator` of String objects containing the parameter names of the multipart files contained in this request. These are the field names of the form (like with normal parameters), not the original file names.
      Returns:
        the names of the files

    - #### getFile

          MultipartFile getFile(String name)

      Return the contents plus description of an uploaded file in this request, or `null` if it does not exist.
      Parameters:
        `name` - a String specifying the parameter name of the multipart file
      Returns:
        the uploaded content in the form of a `MultipartFile` object

    - #### getFiles

          List<MultipartFile> getFiles(String name)

      Return the contents plus description of uploaded files in this request, or an empty list if it does not exist.
      Parameters:
        `name` - a String specifying the parameter name of the multipart file
      Returns:
        the uploaded content in the form of a `MultipartFile` list
      Since:
        3.0

    - #### getFileMap

          Map<String,MultipartFile> getFileMap()

      Return a `Map` of the multipart files contained in this request.
      Returns:
        a map containing the parameter names as keys, and the `MultipartFile` objects as values

    - #### getMultiFileMap

          MultiValueMap<String,MultipartFile> getMultiFileMap()

      Return a `MultiValueMap` of the multipart files contained in this request.
      Returns:
        a map containing the parameter names as keys, and a list of `MultipartFile` objects as values
      Since:
        3.0

    - #### getMultipartContentType

          String getMultipartContentType(String paramOrFileName)

      Determine the content type of the specified request part.
      Parameters:
        `paramOrFileName` - the name of the part
      Returns:
        the associated content type, or `null` if not defined
      Since:
        3.1